./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.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_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/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_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/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_4775d1f9-c219-44b9-8a72-b206e884a2d8/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 abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c --- 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 15:22:27,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:22:27,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:22:27,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:22:27,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:22:27,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:22:27,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:22:27,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:22:27,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:22:28,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:22:28,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:22:28,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:22:28,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:22:28,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:22:28,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:22:28,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:22:28,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:22:28,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:22:28,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:22:28,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:22:28,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:22:28,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:22:28,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:22:28,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:22:28,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:22:28,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:22:28,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:22:28,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:22:28,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:22:28,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:22:28,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:22:28,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:22:28,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:22:28,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:22:28,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:22:28,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:22:28,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:22:28,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:22:28,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:22:28,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:22:28,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:22:28,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:22:28,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:22:28,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:22:28,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:22:28,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:22:28,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:22:28,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:22:28,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:22:28,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:22:28,038 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:22:28,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:22:28,039 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:22:28,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:22:28,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:22:28,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:22:28,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:22:28,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:22:28,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:22:28,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:22:28,040 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:22:28,040 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:22:28,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:22:28,041 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:22:28,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:22:28,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:22:28,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:22:28,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:22:28,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:22:28,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:22:28,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:22:28,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:22:28,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:22:28,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:22:28,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:22:28,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:22:28,043 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:22:28,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:22:28,043 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:22:28,043 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_4775d1f9-c219-44b9-8a72-b206e884a2d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c [2022-12-13 15:22:28,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:22:28,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:22:28,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:22:28,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:22:28,226 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:22:28,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-12-13 15:22:30,784 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:22:30,957 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:22:30,958 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-12-13 15:22:30,967 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/data/af6d556cc/5761aa8b544f4b119dc0ef8b3ac9206f/FLAGa709655fe [2022-12-13 15:22:30,977 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/data/af6d556cc/5761aa8b544f4b119dc0ef8b3ac9206f [2022-12-13 15:22:30,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:22:30,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:22:30,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:30,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:22:30,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:22:30,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:30" (1/1) ... [2022-12-13 15:22:30,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28610815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:30, skipping insertion in model container [2022-12-13 15:22:30,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:30" (1/1) ... [2022-12-13 15:22:30,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:22:31,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:22:31,119 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_4775d1f9-c219-44b9-8a72-b206e884a2d8/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-12-13 15:22:31,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:22:31,210 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:22:31,219 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_4775d1f9-c219-44b9-8a72-b206e884a2d8/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-12-13 15:22:31,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:22:31,262 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:22:31,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31 WrapperNode [2022-12-13 15:22:31,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:22:31,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:22:31,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:22:31,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:22:31,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,292 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 15:22:31,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:22:31,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:22:31,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:22:31,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:22:31,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:22:31,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:22:31,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:22:31,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:22:31,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (1/1) ... [2022-12-13 15:22:31,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:22:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:22:31,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:22:31,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:22:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 15:22:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:22:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:22:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:22:31,370 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 15:22:31,467 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:22:31,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:22:31,625 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:22:31,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:22:31,631 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:22:31,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:31 BoogieIcfgContainer [2022-12-13 15:22:31,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:22:31,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:22:31,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:22:31,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:22:31,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:22:30" (1/3) ... [2022-12-13 15:22:31,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2222f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:31, skipping insertion in model container [2022-12-13 15:22:31,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:31" (2/3) ... [2022-12-13 15:22:31,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2222f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:31, skipping insertion in model container [2022-12-13 15:22:31,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:31" (3/3) ... [2022-12-13 15:22:31,640 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_44-traces-mine2_true.i [2022-12-13 15:22:31,647 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:22:31,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:22:31,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 15:22:31,656 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:22:31,696 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 15:22:31,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 96 transitions, 197 flow [2022-12-13 15:22:31,761 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-12-13 15:22:31,761 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:22:31,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-13 15:22:31,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 96 transitions, 197 flow [2022-12-13 15:22:31,769 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2022-12-13 15:22:31,771 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:22:31,780 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 95 transitions, 193 flow [2022-12-13 15:22:31,782 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 95 transitions, 193 flow [2022-12-13 15:22:31,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 95 transitions, 193 flow [2022-12-13 15:22:31,815 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-12-13 15:22:31,815 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:22:31,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-13 15:22:31,818 INFO L119 LiptonReduction]: Number of co-enabled transitions 1944 [2022-12-13 15:22:33,741 INFO L134 LiptonReduction]: Checked pairs total: 6803 [2022-12-13 15:22:33,741 INFO L136 LiptonReduction]: Total number of compositions: 75 [2022-12-13 15:22:33,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:22:33,759 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;@6b09f224, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:22:33,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 15:22:33,763 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 15:22:33,763 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:22:33,763 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:33,764 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 15:22:33,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 15:22:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash 317427922, now seen corresponding path program 1 times [2022-12-13 15:22:33,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:33,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223639968] [2022-12-13 15:22:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:33,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:33,925 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 15:22:33,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:33,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223639968] [2022-12-13 15:22:33,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223639968] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:33,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:33,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:22:33,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661055547] [2022-12-13 15:22:33,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:22:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:33,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:22:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:22:33,986 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 171 [2022-12-13 15:22:33,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 15:22:33,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:33,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 171 [2022-12-13 15:22:33,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:34,091 INFO L130 PetriNetUnfolder]: 151/387 cut-off events. [2022-12-13 15:22:34,092 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:22:34,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 387 events. 151/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1875 event pairs, 23 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 724. Up to 175 conditions per place. [2022-12-13 15:22:34,095 INFO L137 encePairwiseOnDemand]: 160/171 looper letters, 31 selfloop transitions, 7 changer transitions 2/45 dead transitions. [2022-12-13 15:22:34,095 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 45 transitions, 173 flow [2022-12-13 15:22:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:22:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:22:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2022-12-13 15:22:34,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5672514619883041 [2022-12-13 15:22:34,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 291 transitions. [2022-12-13 15:22:34,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 291 transitions. [2022-12-13 15:22:34,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:34,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 291 transitions. [2022-12-13 15:22:34,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 15:22:34,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,119 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,120 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 65 flow. Second operand 3 states and 291 transitions. [2022-12-13 15:22:34,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 45 transitions, 173 flow [2022-12-13 15:22:34,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 45 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:22:34,124 INFO L231 Difference]: Finished difference. Result has 35 places, 34 transitions, 114 flow [2022-12-13 15:22:34,125 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=35, PETRI_TRANSITIONS=34} [2022-12-13 15:22:34,128 INFO L288 CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places. [2022-12-13 15:22:34,128 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 114 flow [2022-12-13 15:22:34,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 15:22:34,129 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:34,129 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 15:22:34,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:22:34,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 15:22:34,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:34,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1249529042, now seen corresponding path program 1 times [2022-12-13 15:22:34,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:34,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872182189] [2022-12-13 15:22:34,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:34,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:34,179 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 15:22:34,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:34,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872182189] [2022-12-13 15:22:34,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872182189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:34,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:34,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:22:34,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803574467] [2022-12-13 15:22:34,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:34,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:22:34,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:34,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:22:34,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:22:34,203 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 171 [2022-12-13 15:22:34,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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 15:22:34,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:34,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 171 [2022-12-13 15:22:34,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:34,284 INFO L130 PetriNetUnfolder]: 154/394 cut-off events. [2022-12-13 15:22:34,284 INFO L131 PetriNetUnfolder]: For 116/122 co-relation queries the response was YES. [2022-12-13 15:22:34,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 394 events. 154/394 cut-off events. For 116/122 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1859 event pairs, 84 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 919. Up to 298 conditions per place. [2022-12-13 15:22:34,288 INFO L137 encePairwiseOnDemand]: 165/171 looper letters, 31 selfloop transitions, 7 changer transitions 0/45 dead transitions. [2022-12-13 15:22:34,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 228 flow [2022-12-13 15:22:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:22:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:22:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2022-12-13 15:22:34,290 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5419103313840156 [2022-12-13 15:22:34,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 278 transitions. [2022-12-13 15:22:34,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 278 transitions. [2022-12-13 15:22:34,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:34,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 278 transitions. [2022-12-13 15:22:34,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 15:22:34,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,299 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,299 INFO L175 Difference]: Start difference. First operand has 35 places, 34 transitions, 114 flow. Second operand 3 states and 278 transitions. [2022-12-13 15:22:34,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 228 flow [2022-12-13 15:22:34,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 45 transitions, 208 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:22:34,302 INFO L231 Difference]: Finished difference. Result has 37 places, 39 transitions, 156 flow [2022-12-13 15:22:34,302 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=37, PETRI_TRANSITIONS=39} [2022-12-13 15:22:34,303 INFO L288 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2022-12-13 15:22:34,303 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 39 transitions, 156 flow [2022-12-13 15:22:34,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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 15:22:34,303 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:34,304 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:34,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:22:34,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 15:22:34,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:34,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1790443060, now seen corresponding path program 1 times [2022-12-13 15:22:34,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:34,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752130306] [2022-12-13 15:22:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:34,407 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 15:22:34,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:34,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752130306] [2022-12-13 15:22:34,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752130306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:34,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:34,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:22:34,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051298586] [2022-12-13 15:22:34,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:34,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:22:34,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:34,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:22:34,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:22:34,426 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 171 [2022-12-13 15:22:34,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 39 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 15:22:34,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:34,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 171 [2022-12-13 15:22:34,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:34,470 INFO L130 PetriNetUnfolder]: 33/127 cut-off events. [2022-12-13 15:22:34,470 INFO L131 PetriNetUnfolder]: For 38/40 co-relation queries the response was YES. [2022-12-13 15:22:34,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 127 events. 33/127 cut-off events. For 38/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 451 event pairs, 9 based on Foata normal form. 14/138 useless extension candidates. Maximal degree in co-relation 293. Up to 75 conditions per place. [2022-12-13 15:22:34,471 INFO L137 encePairwiseOnDemand]: 167/171 looper letters, 18 selfloop transitions, 4 changer transitions 10/42 dead transitions. [2022-12-13 15:22:34,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 42 transitions, 208 flow [2022-12-13 15:22:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:22:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:22:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2022-12-13 15:22:34,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5614035087719298 [2022-12-13 15:22:34,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2022-12-13 15:22:34,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2022-12-13 15:22:34,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:34,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2022-12-13 15:22:34,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 15:22:34,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,477 INFO L175 Difference]: Start difference. First operand has 37 places, 39 transitions, 156 flow. Second operand 3 states and 288 transitions. [2022-12-13 15:22:34,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 42 transitions, 208 flow [2022-12-13 15:22:34,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 42 transitions, 182 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-12-13 15:22:34,479 INFO L231 Difference]: Finished difference. Result has 34 places, 31 transitions, 94 flow [2022-12-13 15:22:34,479 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=34, PETRI_TRANSITIONS=31} [2022-12-13 15:22:34,480 INFO L288 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2022-12-13 15:22:34,480 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 31 transitions, 94 flow [2022-12-13 15:22:34,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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 15:22:34,481 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:34,481 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:34,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:22:34,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 15:22:34,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1198667089, now seen corresponding path program 1 times [2022-12-13 15:22:34,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:34,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740320499] [2022-12-13 15:22:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:34,513 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 15:22:34,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:34,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740320499] [2022-12-13 15:22:34,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740320499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:34,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:34,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:22:34,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709336149] [2022-12-13 15:22:34,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:34,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:22:34,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:22:34,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:22:34,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 171 [2022-12-13 15:22:34,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 31 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 15:22:34,534 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:34,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 171 [2022-12-13 15:22:34,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:34,569 INFO L130 PetriNetUnfolder]: 37/128 cut-off events. [2022-12-13 15:22:34,569 INFO L131 PetriNetUnfolder]: For 17/18 co-relation queries the response was YES. [2022-12-13 15:22:34,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 128 events. 37/128 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 424 event pairs, 30 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 295. Up to 111 conditions per place. [2022-12-13 15:22:34,570 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 21 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2022-12-13 15:22:34,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 138 flow [2022-12-13 15:22:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:22:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:22:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2022-12-13 15:22:34,572 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.52046783625731 [2022-12-13 15:22:34,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 267 transitions. [2022-12-13 15:22:34,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 267 transitions. [2022-12-13 15:22:34,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:34,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 267 transitions. [2022-12-13 15:22:34,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 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 15:22:34,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,575 INFO L175 Difference]: Start difference. First operand has 34 places, 31 transitions, 94 flow. Second operand 3 states and 267 transitions. [2022-12-13 15:22:34,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 138 flow [2022-12-13 15:22:34,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 30 transitions, 138 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:22:34,576 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 96 flow [2022-12-13 15:22:34,577 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2022-12-13 15:22:34,577 INFO L288 CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places. [2022-12-13 15:22:34,577 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 96 flow [2022-12-13 15:22:34,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 15:22:34,578 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:34,578 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:34,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:22:34,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 15:22:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash -743588747, now seen corresponding path program 1 times [2022-12-13 15:22:34,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:34,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924567824] [2022-12-13 15:22:34,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:34,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:34,611 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 15:22:34,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:34,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924567824] [2022-12-13 15:22:34,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924567824] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:34,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:34,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:22:34,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556702282] [2022-12-13 15:22:34,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:34,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:22:34,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:22:34,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:22:34,628 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 171 [2022-12-13 15:22:34,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 15:22:34,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:34,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 171 [2022-12-13 15:22:34,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:34,671 INFO L130 PetriNetUnfolder]: 47/141 cut-off events. [2022-12-13 15:22:34,671 INFO L131 PetriNetUnfolder]: For 23/24 co-relation queries the response was YES. [2022-12-13 15:22:34,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 141 events. 47/141 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 456 event pairs, 24 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 335. Up to 116 conditions per place. [2022-12-13 15:22:34,672 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 23 selfloop transitions, 6 changer transitions 5/39 dead transitions. [2022-12-13 15:22:34,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 39 transitions, 190 flow [2022-12-13 15:22:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:22:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:22:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2022-12-13 15:22:34,674 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5380116959064327 [2022-12-13 15:22:34,674 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2022-12-13 15:22:34,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2022-12-13 15:22:34,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:34,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2022-12-13 15:22:34,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 15:22:34,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 15:22:34,677 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 96 flow. Second operand 3 states and 276 transitions. [2022-12-13 15:22:34,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 39 transitions, 190 flow [2022-12-13 15:22:34,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 39 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:22:34,678 INFO L231 Difference]: Finished difference. Result has 36 places, 31 transitions, 120 flow [2022-12-13 15:22:34,678 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=36, PETRI_TRANSITIONS=31} [2022-12-13 15:22:34,679 INFO L288 CegarLoopForPetriNet]: 33 programPoint places, 3 predicate places. [2022-12-13 15:22:34,679 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 120 flow [2022-12-13 15:22:34,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 15:22:34,679 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:22:34,679 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:22:34,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:22:34,680 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 15:22:34,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:22:34,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1587521538, now seen corresponding path program 1 times [2022-12-13 15:22:34,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:22:34,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277264825] [2022-12-13 15:22:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:22:34,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:22:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:22:34,832 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 15:22:34,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:22:34,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277264825] [2022-12-13 15:22:34,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277264825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:22:34,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:22:34,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:22:34,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001214682] [2022-12-13 15:22:34,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:22:34,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:22:34,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:22:34,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:22:34,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:22:34,862 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 171 [2022-12-13 15:22:34,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 120 flow. Second operand has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 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 15:22:34,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:22:34,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 171 [2022-12-13 15:22:34,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:22:34,886 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-12-13 15:22:34,886 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 15:22:34,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 22 events. 0/22 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 3/25 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2022-12-13 15:22:34,886 INFO L137 encePairwiseOnDemand]: 168/171 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2022-12-13 15:22:34,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 22 transitions, 108 flow [2022-12-13 15:22:34,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:22:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 15:22:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 359 transitions. [2022-12-13 15:22:34,888 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5248538011695907 [2022-12-13 15:22:34,888 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 359 transitions. [2022-12-13 15:22:34,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 359 transitions. [2022-12-13 15:22:34,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:22:34,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 359 transitions. [2022-12-13 15:22:34,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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 15:22:34,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 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 15:22:34,892 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 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 15:22:34,892 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 120 flow. Second operand 4 states and 359 transitions. [2022-12-13 15:22:34,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 22 transitions, 108 flow [2022-12-13 15:22:34,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 85 flow, removed 6 selfloop flow, removed 6 redundant places. [2022-12-13 15:22:34,893 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2022-12-13 15:22:34,893 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2022-12-13 15:22:34,893 INFO L288 CegarLoopForPetriNet]: 33 programPoint places, -4 predicate places. [2022-12-13 15:22:34,894 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2022-12-13 15:22:34,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 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 15:22:34,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-12-13 15:22:34,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-12-13 15:22:34,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-12-13 15:22:34,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-12-13 15:22:34,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-12-13 15:22:34,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-12-13 15:22:34,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-12-13 15:22:34,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-12-13 15:22:34,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-12-13 15:22:34,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:22:34,899 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 15:22:34,904 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:22:34,904 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:22:34,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:22:34 BasicIcfg [2022-12-13 15:22:34,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:22:34,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:22:34,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:22:34,909 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:22:34,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:31" (3/4) ... [2022-12-13 15:22:34,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:22:34,918 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 15:22:34,922 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 15:22:34,922 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:22:34,922 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:22:34,923 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:22:34,959 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:22:34,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:22:34,960 INFO L158 Benchmark]: Toolchain (without parser) took 3979.55ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 107.3MB in the beginning and 136.1MB in the end (delta: -28.7MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,961 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:22:34,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.96ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 88.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.56ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,962 INFO L158 Benchmark]: Boogie Preprocessor took 17.38ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 84.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,962 INFO L158 Benchmark]: RCFGBuilder took 322.63ms. Allocated memory is still 140.5MB. Free memory was 84.9MB in the beginning and 71.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,962 INFO L158 Benchmark]: TraceAbstraction took 3273.18ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 70.7MB in the beginning and 49.5MB in the end (delta: 21.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,963 INFO L158 Benchmark]: Witness Printer took 50.86ms. Allocated memory is still 169.9MB. Free memory was 49.5MB in the beginning and 136.1MB in the end (delta: -86.6MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-12-13 15:22:34,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.96ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 88.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.56ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.38ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 84.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.63ms. Allocated memory is still 140.5MB. Free memory was 84.9MB in the beginning and 71.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3273.18ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 70.7MB in the beginning and 49.5MB in the end (delta: 21.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 50.86ms. Allocated memory is still 169.9MB. Free memory was 49.5MB in the beginning and 136.1MB in the end (delta: -86.6MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 97 PlacesBefore, 33 PlacesAfterwards, 95 TransitionsBefore, 31 TransitionsAfterwards, 1944 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 75 TotalNumberOfCompositions, 6803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2700, independent: 2354, independent conditional: 0, independent unconditional: 2354, dependent: 346, dependent conditional: 0, dependent unconditional: 346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1106, independent: 1054, independent conditional: 0, independent unconditional: 1054, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2700, independent: 1300, independent conditional: 0, independent unconditional: 1300, dependent: 294, dependent conditional: 0, dependent unconditional: 294, unknown: 1106, unknown conditional: 0, unknown unconditional: 1106] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: 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: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 124 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 386 IncrementalHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 34 mSDtfsCounter, 386 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 0.4s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:22:34,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4775d1f9-c219-44b9-8a72-b206e884a2d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE