./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/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_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/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_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/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 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 --- 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 15:16:17,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:16:17,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:16:17,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:16:17,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:16:17,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:16:17,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:16:17,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:16:17,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:16:17,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:16:17,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:16:17,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:16:17,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:16:17,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:16:17,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:16:17,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:16:17,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:16:17,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:16:17,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:16:17,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:16:17,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:16:17,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:16:17,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:16:17,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:16:17,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:16:17,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:16:17,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:16:17,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:16:17,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:16:17,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:16:17,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:16:17,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:16:17,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:16:17,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:16:17,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:16:17,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:16:17,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:16:17,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:16:17,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:16:17,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:16:17,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:16:17,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:16:17,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:16:17,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:16:17,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:16:17,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:16:17,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:16:17,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:16:17,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:16:17,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:16:17,095 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:16:17,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:16:17,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:16:17,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:16:17,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:16:17,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:16:17,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:16:17,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:16:17,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:16:17,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:16:17,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:16:17,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:16:17,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:16:17,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:16:17,099 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:16:17,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:16:17,099 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:16:17,099 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_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 [2022-12-13 15:16:17,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:16:17,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:16:17,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:16:17,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:16:17,301 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:16:17,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-12-13 15:16:19,815 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:16:19,968 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:16:19,969 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2022-12-13 15:16:19,978 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/data/03dc2c473/76c34ec941fd40dd9cf3bbc6c8f02801/FLAG13e976b40 [2022-12-13 15:16:19,989 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/data/03dc2c473/76c34ec941fd40dd9cf3bbc6c8f02801 [2022-12-13 15:16:19,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:16:19,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:16:19,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:16:19,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:16:19,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:16:19,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:16:19" (1/1) ... [2022-12-13 15:16:19,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7780e42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:19, skipping insertion in model container [2022-12-13 15:16:19,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:16:19" (1/1) ... [2022-12-13 15:16:20,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:16:20,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:16:20,173 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_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2022-12-13 15:16:20,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:16:20,313 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:16:20,324 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_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i[1088,1101] [2022-12-13 15:16:20,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:16:20,377 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:16:20,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20 WrapperNode [2022-12-13 15:16:20,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:16:20,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:16:20,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:16:20,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:16:20,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,406 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-12-13 15:16:20,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:16:20,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:16:20,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:16:20,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:16:20,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:16:20,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:16:20,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:16:20,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:16:20,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (1/1) ... [2022-12-13 15:16:20,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:16:20,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:16:20,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:16:20,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:16:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:16:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:16:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:16:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:16:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 15:16:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 15:16:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:16:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:16:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:16:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:16:20,497 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 15:16:20,596 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:16:20,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:16:20,717 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:16:20,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:16:20,724 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:16:20,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:16:20 BoogieIcfgContainer [2022-12-13 15:16:20,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:16:20,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:16:20,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:16:20,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:16:20,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:16:19" (1/3) ... [2022-12-13 15:16:20,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662a898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:16:20, skipping insertion in model container [2022-12-13 15:16:20,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:16:20" (2/3) ... [2022-12-13 15:16:20,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662a898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:16:20, skipping insertion in model container [2022-12-13 15:16:20,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:16:20" (3/3) ... [2022-12-13 15:16:20,734 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2022-12-13 15:16:20,743 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:16:20,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:16:20,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 15:16:20,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:16:20,794 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 15:16:20,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 80 transitions, 165 flow [2022-12-13 15:16:20,867 INFO L130 PetriNetUnfolder]: 1/79 cut-off events. [2022-12-13 15:16:20,868 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:16:20,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 1/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-13 15:16:20,872 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 80 transitions, 165 flow [2022-12-13 15:16:20,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 79 transitions, 161 flow [2022-12-13 15:16:20,877 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:16:20,885 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 79 transitions, 161 flow [2022-12-13 15:16:20,887 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 79 transitions, 161 flow [2022-12-13 15:16:20,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 79 transitions, 161 flow [2022-12-13 15:16:20,903 INFO L130 PetriNetUnfolder]: 1/79 cut-off events. [2022-12-13 15:16:20,903 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:16:20,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 1/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-13 15:16:20,904 INFO L119 LiptonReduction]: Number of co-enabled transitions 1092 [2022-12-13 15:16:22,744 INFO L134 LiptonReduction]: Checked pairs total: 3629 [2022-12-13 15:16:22,744 INFO L136 LiptonReduction]: Total number of compositions: 63 [2022-12-13 15:16:22,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:16:22,763 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;@4a816fc5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:16:22,764 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 15:16:22,767 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 15:16:22,767 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:16:22,767 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:16:22,768 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 15:16:22,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 15:16:22,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:16:22,773 INFO L85 PathProgramCache]: Analyzing trace with hash -366237960, now seen corresponding path program 1 times [2022-12-13 15:16:22,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:16:22,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132823501] [2022-12-13 15:16:22,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:16:22,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:16:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:16:22,917 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 15:16:22,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:16:22,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132823501] [2022-12-13 15:16:22,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132823501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:16:22,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:16:22,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:16:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205408581] [2022-12-13 15:16:22,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:16:22,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:16:22,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:16:22,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:16:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:16:22,959 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 143 [2022-12-13 15:16:22,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:16:22,960 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:16:22,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 143 [2022-12-13 15:16:22,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:16:23,022 INFO L130 PetriNetUnfolder]: 56/151 cut-off events. [2022-12-13 15:16:23,022 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:16:23,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 151 events. 56/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 558 event pairs, 42 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 279. Up to 110 conditions per place. [2022-12-13 15:16:23,025 INFO L137 encePairwiseOnDemand]: 137/143 looper letters, 21 selfloop transitions, 4 changer transitions 0/29 dead transitions. [2022-12-13 15:16:23,025 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 29 transitions, 111 flow [2022-12-13 15:16:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:16:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:16:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2022-12-13 15:16:23,035 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5547785547785548 [2022-12-13 15:16:23,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions. [2022-12-13 15:16:23,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions. [2022-12-13 15:16:23,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:16:23,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions. [2022-12-13 15:16:23,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 15:16:23,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 15:16:23,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 15:16:23,045 INFO L175 Difference]: Start difference. First operand has 27 places, 24 transitions, 51 flow. Second operand 3 states and 238 transitions. [2022-12-13 15:16:23,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 29 transitions, 111 flow [2022-12-13 15:16:23,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 29 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:16:23,048 INFO L231 Difference]: Finished difference. Result has 29 places, 25 transitions, 76 flow [2022-12-13 15:16:23,049 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=29, PETRI_TRANSITIONS=25} [2022-12-13 15:16:23,052 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-12-13 15:16:23,052 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2022-12-13 15:16:23,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:16:23,053 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:16:23,053 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:16:23,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:16:23,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 15:16:23,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:16:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1559745058, now seen corresponding path program 1 times [2022-12-13 15:16:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:16:23,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619462416] [2022-12-13 15:16:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:16:23,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:16:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:16:23,095 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 15:16:23,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:16:23,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619462416] [2022-12-13 15:16:23,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619462416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:16:23,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:16:23,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:16:23,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122010536] [2022-12-13 15:16:23,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:16:23,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:16:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:16:23,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:16:23,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:16:23,110 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 143 [2022-12-13 15:16:23,110 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 15:16:23,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:16:23,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 143 [2022-12-13 15:16:23,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:16:23,162 INFO L130 PetriNetUnfolder]: 83/215 cut-off events. [2022-12-13 15:16:23,162 INFO L131 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-12-13 15:16:23,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 215 events. 83/215 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 874 event pairs, 23 based on Foata normal form. 2/209 useless extension candidates. Maximal degree in co-relation 478. Up to 109 conditions per place. [2022-12-13 15:16:23,165 INFO L137 encePairwiseOnDemand]: 138/143 looper letters, 25 selfloop transitions, 5 changer transitions 2/37 dead transitions. [2022-12-13 15:16:23,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 172 flow [2022-12-13 15:16:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:16:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:16:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2022-12-13 15:16:23,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5757575757575758 [2022-12-13 15:16:23,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2022-12-13 15:16:23,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2022-12-13 15:16:23,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:16:23,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2022-12-13 15:16:23,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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 15:16:23,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 15:16:23,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 15:16:23,172 INFO L175 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 3 states and 247 transitions. [2022-12-13 15:16:23,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 172 flow [2022-12-13 15:16:23,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:16:23,174 INFO L231 Difference]: Finished difference. Result has 31 places, 28 transitions, 104 flow [2022-12-13 15:16:23,174 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=31, PETRI_TRANSITIONS=28} [2022-12-13 15:16:23,175 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 4 predicate places. [2022-12-13 15:16:23,175 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 28 transitions, 104 flow [2022-12-13 15:16:23,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 15:16:23,176 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:16:23,176 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:16:23,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:16:23,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 15:16:23,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:16:23,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2042519709, now seen corresponding path program 1 times [2022-12-13 15:16:23,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:16:23,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720169646] [2022-12-13 15:16:23,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:16:23,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:16:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:16:23,337 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 15:16:23,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:16:23,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720169646] [2022-12-13 15:16:23,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720169646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:16:23,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:16:23,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:16:23,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391070606] [2022-12-13 15:16:23,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:16:23,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:16:23,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:16:23,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:16:23,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:16:23,386 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 143 [2022-12-13 15:16:23,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 104 flow. Second operand has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 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 15:16:23,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:16:23,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 143 [2022-12-13 15:16:23,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:16:23,422 INFO L130 PetriNetUnfolder]: 14/72 cut-off events. [2022-12-13 15:16:23,422 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 15:16:23,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 72 events. 14/72 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 169 event pairs, 2 based on Foata normal form. 9/81 useless extension candidates. Maximal degree in co-relation 151. Up to 42 conditions per place. [2022-12-13 15:16:23,423 INFO L137 encePairwiseOnDemand]: 138/143 looper letters, 11 selfloop transitions, 4 changer transitions 2/23 dead transitions. [2022-12-13 15:16:23,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 23 transitions, 106 flow [2022-12-13 15:16:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:16:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 15:16:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 295 transitions. [2022-12-13 15:16:23,426 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5157342657342657 [2022-12-13 15:16:23,426 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 295 transitions. [2022-12-13 15:16:23,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 295 transitions. [2022-12-13 15:16:23,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:16:23,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 295 transitions. [2022-12-13 15:16:23,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 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 15:16:23,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 15:16:23,430 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 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 15:16:23,430 INFO L175 Difference]: Start difference. First operand has 31 places, 28 transitions, 104 flow. Second operand 4 states and 295 transitions. [2022-12-13 15:16:23,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 23 transitions, 106 flow [2022-12-13 15:16:23,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 88 flow, removed 4 selfloop flow, removed 4 redundant places. [2022-12-13 15:16:23,431 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 54 flow [2022-12-13 15:16:23,432 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=54, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2022-12-13 15:16:23,432 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2022-12-13 15:16:23,432 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 54 flow [2022-12-13 15:16:23,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 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 15:16:23,433 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:16:23,433 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:16:23,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:16:23,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 15:16:23,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:16:23,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1304116694, now seen corresponding path program 1 times [2022-12-13 15:16:23,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:16:23,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905121884] [2022-12-13 15:16:23,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:16:23,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:16:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:16:23,466 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 15:16:23,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:16:23,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905121884] [2022-12-13 15:16:23,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905121884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:16:23,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:16:23,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:16:23,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142772710] [2022-12-13 15:16:23,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:16:23,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:16:23,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:16:23,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:16:23,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:16:23,479 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 143 [2022-12-13 15:16:23,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 15:16:23,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:16:23,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 143 [2022-12-13 15:16:23,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:16:23,503 INFO L130 PetriNetUnfolder]: 14/55 cut-off events. [2022-12-13 15:16:23,503 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 15:16:23,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 55 events. 14/55 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs, 12 based on Foata normal form. 4/59 useless extension candidates. Maximal degree in co-relation 111. Up to 44 conditions per place. [2022-12-13 15:16:23,504 INFO L137 encePairwiseOnDemand]: 141/143 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2022-12-13 15:16:23,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 20 transitions, 90 flow [2022-12-13 15:16:23,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:16:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:16:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2022-12-13 15:16:23,505 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5291375291375291 [2022-12-13 15:16:23,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions. [2022-12-13 15:16:23,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions. [2022-12-13 15:16:23,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:16:23,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions. [2022-12-13 15:16:23,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 15:16:23,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 15:16:23,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 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 15:16:23,508 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 54 flow. Second operand 3 states and 227 transitions. [2022-12-13 15:16:23,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 20 transitions, 90 flow [2022-12-13 15:16:23,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 20 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:16:23,509 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2022-12-13 15:16:23,509 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2022-12-13 15:16:23,510 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2022-12-13 15:16:23,510 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2022-12-13 15:16:23,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 15:16:23,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-12-13 15:16:23,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-13 15:16:23,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-12-13 15:16:23,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-12-13 15:16:23,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-12-13 15:16:23,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-12-13 15:16:23,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:16:23,515 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 15:16:23,521 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:16:23,521 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:16:23,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:16:23 BasicIcfg [2022-12-13 15:16:23,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:16:23,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:16:23,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:16:23,526 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:16:23,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:16:20" (3/4) ... [2022-12-13 15:16:23,528 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:16:23,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 15:16:23,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 15:16:23,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:16:23,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:16:23,536 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:16:23,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:16:23,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:16:23,565 INFO L158 Benchmark]: Toolchain (without parser) took 3572.79ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 104.1MB in the beginning and 73.3MB in the end (delta: 30.7MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-12-13 15:16:23,565 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:16:23,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.18ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 84.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 15:16:23,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.11ms. Allocated memory is still 144.7MB. Free memory was 84.8MB in the beginning and 83.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:16:23,567 INFO L158 Benchmark]: Boogie Preprocessor took 15.84ms. Allocated memory is still 144.7MB. Free memory was 83.1MB in the beginning and 81.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:16:23,567 INFO L158 Benchmark]: RCFGBuilder took 302.58ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 107.0MB in the end (delta: -25.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-13 15:16:23,567 INFO L158 Benchmark]: TraceAbstraction took 2796.40ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 106.3MB in the beginning and 76.5MB in the end (delta: 29.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2022-12-13 15:16:23,568 INFO L158 Benchmark]: Witness Printer took 39.19ms. Allocated memory is still 174.1MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:16:23,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.18ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 84.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.11ms. Allocated memory is still 144.7MB. Free memory was 84.8MB in the beginning and 83.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.84ms. Allocated memory is still 144.7MB. Free memory was 83.1MB in the beginning and 81.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.58ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 107.0MB in the end (delta: -25.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2796.40ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 106.3MB in the beginning and 76.5MB in the end (delta: 29.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Witness Printer took 39.19ms. Allocated memory is still 174.1MB. Free memory was 75.4MB in the beginning and 73.3MB 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: 1.9s, 82 PlacesBefore, 27 PlacesAfterwards, 79 TransitionsBefore, 24 TransitionsAfterwards, 1092 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 63 TotalNumberOfCompositions, 3629 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1295, independent: 1060, independent conditional: 0, independent unconditional: 1060, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 572, independent: 534, independent conditional: 0, independent unconditional: 534, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1295, independent: 526, independent conditional: 0, independent unconditional: 526, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 572, unknown conditional: 0, unknown unconditional: 572] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: 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 3 procedures, 103 locations, 6 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: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 241 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:16:23,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5cb1a1-202e-4a3b-aa0d-ba6744539f9c/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