./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc --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 ebb6bba6491ab996b2a2d1f88baf86906cd5ba5ce7e0ad4dc20017ded9089a97 --- 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-5e519f3 [2022-11-02 21:06:18,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:06:18,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:06:18,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:06:18,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:06:18,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:06:18,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:06:18,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:06:18,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:06:18,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:06:18,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:06:18,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:06:18,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:06:18,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:06:18,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:06:18,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:06:18,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:06:18,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:06:18,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:06:18,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:06:18,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:06:18,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:06:18,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:06:18,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:06:18,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:06:18,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:06:18,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:06:18,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:06:18,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:06:18,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:06:18,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:06:18,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:06:18,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:06:18,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:06:18,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:06:18,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:06:18,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:06:18,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:06:18,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:06:18,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:06:18,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:06:18,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:06:18,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:06:18,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:06:18,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:06:18,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:06:18,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:06:18,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:06:18,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:06:18,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:06:18,225 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:06:18,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:06:18,226 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:06:18,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:06:18,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:06:18,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:06:18,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:06:18,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:06:18,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:06:18,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:06:18,229 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:06:18,229 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:06:18,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:06:18,229 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:06:18,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:06:18,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:06:18,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:06:18,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:06:18,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:06:18,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:06:18,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:06:18,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:06:18,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:06:18,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:06:18,235 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:06:18,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:06:18,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:06:18,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebb6bba6491ab996b2a2d1f88baf86906cd5ba5ce7e0ad4dc20017ded9089a97 [2022-11-02 21:06:18,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:06:18,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:06:18,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:06:18,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:06:18,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:06:18,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2022-11-02 21:06:18,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/data/3a0521c8f/601e7ffa1db0498288638e44b5a04b7e/FLAG1dfe0d05a [2022-11-02 21:06:19,239 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:06:19,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2022-11-02 21:06:19,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/data/3a0521c8f/601e7ffa1db0498288638e44b5a04b7e/FLAG1dfe0d05a [2022-11-02 21:06:19,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/data/3a0521c8f/601e7ffa1db0498288638e44b5a04b7e [2022-11-02 21:06:19,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:06:19,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:06:19,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:06:19,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:06:19,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:06:19,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34494d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19, skipping insertion in model container [2022-11-02 21:06:19,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:06:19,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:06:19,870 WARN L230 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_a6deff0f-915a-46c7-98c2-44f81cdebf06/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c[2237,2250] [2022-11-02 21:06:19,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:06:19,879 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:06:19,908 WARN L230 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_a6deff0f-915a-46c7-98c2-44f81cdebf06/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c[2237,2250] [2022-11-02 21:06:19,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:06:19,923 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:06:19,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19 WrapperNode [2022-11-02 21:06:19,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:06:19,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:06:19,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:06:19,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:06:19,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,976 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-02 21:06:19,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:06:19,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:06:19,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:06:19,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:06:19,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:19,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:20,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:20,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:20,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:20,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:20,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:06:20,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:06:20,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:06:20,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:06:20,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (1/1) ... [2022-11-02 21:06:20,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:06:20,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:06:20,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:06:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:06:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:06:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 21:06:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 21:06:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 21:06:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 21:06:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 21:06:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 21:06:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-02 21:06:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-02 21:06:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:06:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:06:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:06:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:06:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:06:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:06:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:06:20,123 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 21:06:20,227 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:06:20,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:06:20,745 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:06:20,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:06:20,778 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-02 21:06:20,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:20 BoogieIcfgContainer [2022-11-02 21:06:20,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:06:20,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:06:20,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:06:20,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:06:20,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:06:19" (1/3) ... [2022-11-02 21:06:20,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578adf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:06:20, skipping insertion in model container [2022-11-02 21:06:20,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:19" (2/3) ... [2022-11-02 21:06:20,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578adf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:06:20, skipping insertion in model container [2022-11-02 21:06:20,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:20" (3/3) ... [2022-11-02 21:06:20,822 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2022-11-02 21:06:20,831 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:06:20,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:06:20,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-02 21:06:20,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:06:20,984 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-02 21:06:21,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 291 transitions, 614 flow [2022-11-02 21:06:21,225 INFO L130 PetriNetUnfolder]: 14/287 cut-off events. [2022-11-02 21:06:21,228 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-02 21:06:21,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 287 events. 14/287 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 412 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 193. Up to 2 conditions per place. [2022-11-02 21:06:21,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 290 places, 291 transitions, 614 flow [2022-11-02 21:06:21,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 262 transitions, 548 flow [2022-11-02 21:06:21,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:06:21,271 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;@27db5c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:06:21,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-11-02 21:06:21,281 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-02 21:06:21,286 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:06:21,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:21,287 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:21,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:21,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:21,294 INFO L85 PathProgramCache]: Analyzing trace with hash -243794301, now seen corresponding path program 1 times [2022-11-02 21:06:21,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:21,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010932624] [2022-11-02 21:06:21,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:21,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:21,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:21,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010932624] [2022-11-02 21:06:21,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010932624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:21,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:21,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:21,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095086716] [2022-11-02 21:06:21,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:21,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:21,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:21,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:21,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:21,695 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 291 [2022-11-02 21:06:21,703 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 262 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:21,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:21,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 291 [2022-11-02 21:06:21,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:21,908 INFO L130 PetriNetUnfolder]: 46/358 cut-off events. [2022-11-02 21:06:21,908 INFO L131 PetriNetUnfolder]: For 59/66 co-relation queries the response was YES. [2022-11-02 21:06:21,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 358 events. 46/358 cut-off events. For 59/66 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1271 event pairs, 36 based on Foata normal form. 85/371 useless extension candidates. Maximal degree in co-relation 382. Up to 105 conditions per place. [2022-11-02 21:06:21,920 INFO L137 encePairwiseOnDemand]: 283/291 looper letters, 32 selfloop transitions, 2 changer transitions 1/256 dead transitions. [2022-11-02 21:06:21,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 256 transitions, 604 flow [2022-11-02 21:06:21,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions. [2022-11-02 21:06:21,946 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9014891179839634 [2022-11-02 21:06:21,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions. [2022-11-02 21:06:21,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions. [2022-11-02 21:06:21,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:21,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions. [2022-11-02 21:06:21,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:21,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:21,974 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:21,976 INFO L175 Difference]: Start difference. First operand has 263 places, 262 transitions, 548 flow. Second operand 3 states and 787 transitions. [2022-11-02 21:06:21,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 256 transitions, 604 flow [2022-11-02 21:06:22,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 256 transitions, 588 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-02 21:06:22,024 INFO L231 Difference]: Finished difference. Result has 256 places, 255 transitions, 522 flow [2022-11-02 21:06:22,027 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=256, PETRI_TRANSITIONS=255} [2022-11-02 21:06:22,034 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -7 predicate places. [2022-11-02 21:06:22,035 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 255 transitions, 522 flow [2022-11-02 21:06:22,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:22,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:22,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:06:22,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:22,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:22,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1262202821, now seen corresponding path program 1 times [2022-11-02 21:06:22,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:22,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103102650] [2022-11-02 21:06:22,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:22,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:22,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:22,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103102650] [2022-11-02 21:06:22,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103102650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:22,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:22,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:22,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495079301] [2022-11-02 21:06:22,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:22,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:22,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:22,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:22,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:22,138 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 291 [2022-11-02 21:06:22,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 255 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:22,140 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 291 [2022-11-02 21:06:22,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:22,279 INFO L130 PetriNetUnfolder]: 46/356 cut-off events. [2022-11-02 21:06:22,279 INFO L131 PetriNetUnfolder]: For 16/22 co-relation queries the response was YES. [2022-11-02 21:06:22,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 356 events. 46/356 cut-off events. For 16/22 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1266 event pairs, 36 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 459. Up to 102 conditions per place. [2022-11-02 21:06:22,287 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 29 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2022-11-02 21:06:22,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 254 transitions, 582 flow [2022-11-02 21:06:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2022-11-02 21:06:22,290 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9026345933562429 [2022-11-02 21:06:22,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 788 transitions. [2022-11-02 21:06:22,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 788 transitions. [2022-11-02 21:06:22,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:22,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 788 transitions. [2022-11-02 21:06:22,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,296 INFO L175 Difference]: Start difference. First operand has 256 places, 255 transitions, 522 flow. Second operand 3 states and 788 transitions. [2022-11-02 21:06:22,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 254 transitions, 582 flow [2022-11-02 21:06:22,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 254 transitions, 578 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:22,303 INFO L231 Difference]: Finished difference. Result has 254 places, 254 transitions, 520 flow [2022-11-02 21:06:22,304 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=520, PETRI_PLACES=254, PETRI_TRANSITIONS=254} [2022-11-02 21:06:22,304 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -9 predicate places. [2022-11-02 21:06:22,305 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 254 transitions, 520 flow [2022-11-02 21:06:22,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,306 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:22,306 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:22,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:06:22,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:22,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:22,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1305308557, now seen corresponding path program 1 times [2022-11-02 21:06:22,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:22,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623238976] [2022-11-02 21:06:22,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:22,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:22,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623238976] [2022-11-02 21:06:22,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623238976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:22,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:22,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:22,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738440609] [2022-11-02 21:06:22,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:22,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:22,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:22,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:22,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:22,390 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 291 [2022-11-02 21:06:22,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 254 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,391 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:22,392 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 291 [2022-11-02 21:06:22,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:22,513 INFO L130 PetriNetUnfolder]: 46/355 cut-off events. [2022-11-02 21:06:22,513 INFO L131 PetriNetUnfolder]: For 28/34 co-relation queries the response was YES. [2022-11-02 21:06:22,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 355 events. 46/355 cut-off events. For 28/34 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1240 event pairs, 36 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 443. Up to 105 conditions per place. [2022-11-02 21:06:22,520 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 32 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2022-11-02 21:06:22,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 253 transitions, 586 flow [2022-11-02 21:06:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions. [2022-11-02 21:06:22,523 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8957617411225659 [2022-11-02 21:06:22,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 782 transitions. [2022-11-02 21:06:22,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 782 transitions. [2022-11-02 21:06:22,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:22,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 782 transitions. [2022-11-02 21:06:22,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,528 INFO L175 Difference]: Start difference. First operand has 254 places, 254 transitions, 520 flow. Second operand 3 states and 782 transitions. [2022-11-02 21:06:22,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 253 transitions, 586 flow [2022-11-02 21:06:22,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 253 transitions, 582 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:22,535 INFO L231 Difference]: Finished difference. Result has 253 places, 253 transitions, 518 flow [2022-11-02 21:06:22,535 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=518, PETRI_PLACES=253, PETRI_TRANSITIONS=253} [2022-11-02 21:06:22,536 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -10 predicate places. [2022-11-02 21:06:22,536 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 253 transitions, 518 flow [2022-11-02 21:06:22,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:22,537 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:22,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:06:22,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:22,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2073508183, now seen corresponding path program 1 times [2022-11-02 21:06:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:22,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150691531] [2022-11-02 21:06:22,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:22,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:22,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:22,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150691531] [2022-11-02 21:06:22,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150691531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:22,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:22,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:22,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813945071] [2022-11-02 21:06:22,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:22,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:22,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:22,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:22,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:22,587 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 291 [2022-11-02 21:06:22,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 253 transitions, 518 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:22,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 291 [2022-11-02 21:06:22,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:22,725 INFO L130 PetriNetUnfolder]: 46/354 cut-off events. [2022-11-02 21:06:22,725 INFO L131 PetriNetUnfolder]: For 40/46 co-relation queries the response was YES. [2022-11-02 21:06:22,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 354 events. 46/354 cut-off events. For 40/46 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1212 event pairs, 36 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 420. Up to 101 conditions per place. [2022-11-02 21:06:22,731 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 28 selfloop transitions, 2 changer transitions 0/252 dead transitions. [2022-11-02 21:06:22,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 252 transitions, 576 flow [2022-11-02 21:06:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions. [2022-11-02 21:06:22,735 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9014891179839634 [2022-11-02 21:06:22,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions. [2022-11-02 21:06:22,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions. [2022-11-02 21:06:22,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:22,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions. [2022-11-02 21:06:22,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,742 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,743 INFO L175 Difference]: Start difference. First operand has 253 places, 253 transitions, 518 flow. Second operand 3 states and 787 transitions. [2022-11-02 21:06:22,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 252 transitions, 576 flow [2022-11-02 21:06:22,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 252 transitions, 572 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:22,750 INFO L231 Difference]: Finished difference. Result has 252 places, 252 transitions, 516 flow [2022-11-02 21:06:22,751 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=252, PETRI_TRANSITIONS=252} [2022-11-02 21:06:22,752 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -11 predicate places. [2022-11-02 21:06:22,752 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 252 transitions, 516 flow [2022-11-02 21:06:22,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:22,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:22,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:06:22,754 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:22,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:22,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1517098581, now seen corresponding path program 1 times [2022-11-02 21:06:22,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:22,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066678124] [2022-11-02 21:06:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:22,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:22,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066678124] [2022-11-02 21:06:22,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066678124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:22,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:22,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:22,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811543812] [2022-11-02 21:06:22,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:22,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:22,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:22,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:22,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:22,847 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 291 [2022-11-02 21:06:22,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 252 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:22,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:22,850 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 291 [2022-11-02 21:06:22,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:23,768 INFO L130 PetriNetUnfolder]: 1030/4223 cut-off events. [2022-11-02 21:06:23,769 INFO L131 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-11-02 21:06:23,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5598 conditions, 4223 events. 1030/4223 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 41371 event pairs, 855 based on Foata normal form. 0/3110 useless extension candidates. Maximal degree in co-relation 5547. Up to 1284 conditions per place. [2022-11-02 21:06:23,826 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 23 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2022-11-02 21:06:23,826 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 251 transitions, 564 flow [2022-11-02 21:06:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:23,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions. [2022-11-02 21:06:23,829 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9163802978235968 [2022-11-02 21:06:23,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions. [2022-11-02 21:06:23,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions. [2022-11-02 21:06:23,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:23,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions. [2022-11-02 21:06:23,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:23,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:23,834 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:23,834 INFO L175 Difference]: Start difference. First operand has 252 places, 252 transitions, 516 flow. Second operand 3 states and 800 transitions. [2022-11-02 21:06:23,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 251 transitions, 564 flow [2022-11-02 21:06:23,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 251 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:23,840 INFO L231 Difference]: Finished difference. Result has 251 places, 251 transitions, 514 flow [2022-11-02 21:06:23,841 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=251, PETRI_TRANSITIONS=251} [2022-11-02 21:06:23,842 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -12 predicate places. [2022-11-02 21:06:23,842 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 251 transitions, 514 flow [2022-11-02 21:06:23,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:23,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:23,843 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:23,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:06:23,844 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:23,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:23,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1782789952, now seen corresponding path program 1 times [2022-11-02 21:06:23,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:23,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084946630] [2022-11-02 21:06:23,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:23,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:23,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084946630] [2022-11-02 21:06:23,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084946630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:23,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:23,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682677756] [2022-11-02 21:06:23,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:23,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:23,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:23,888 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 291 [2022-11-02 21:06:23,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 251 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:23,889 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:23,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 291 [2022-11-02 21:06:23,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:24,017 INFO L130 PetriNetUnfolder]: 37/333 cut-off events. [2022-11-02 21:06:24,017 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-02 21:06:24,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 333 events. 37/333 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1082 event pairs, 18 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 394. Up to 60 conditions per place. [2022-11-02 21:06:24,022 INFO L137 encePairwiseOnDemand]: 282/291 looper letters, 26 selfloop transitions, 3 changer transitions 0/249 dead transitions. [2022-11-02 21:06:24,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 249 transitions, 571 flow [2022-11-02 21:06:24,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 791 transitions. [2022-11-02 21:06:24,026 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9060710194730813 [2022-11-02 21:06:24,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 791 transitions. [2022-11-02 21:06:24,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 791 transitions. [2022-11-02 21:06:24,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:24,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 791 transitions. [2022-11-02 21:06:24,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,032 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,033 INFO L175 Difference]: Start difference. First operand has 251 places, 251 transitions, 514 flow. Second operand 3 states and 791 transitions. [2022-11-02 21:06:24,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 249 transitions, 571 flow [2022-11-02 21:06:24,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 249 transitions, 567 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:24,040 INFO L231 Difference]: Finished difference. Result has 246 places, 246 transitions, 511 flow [2022-11-02 21:06:24,040 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=511, PETRI_PLACES=246, PETRI_TRANSITIONS=246} [2022-11-02 21:06:24,041 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -17 predicate places. [2022-11-02 21:06:24,042 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 246 transitions, 511 flow [2022-11-02 21:06:24,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:24,043 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:24,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:06:24,043 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:24,044 INFO L85 PathProgramCache]: Analyzing trace with hash -430794589, now seen corresponding path program 1 times [2022-11-02 21:06:24,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:24,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130735823] [2022-11-02 21:06:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:24,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:24,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130735823] [2022-11-02 21:06:24,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130735823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:24,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:24,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:24,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527312373] [2022-11-02 21:06:24,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:24,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:24,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:24,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:24,108 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 291 [2022-11-02 21:06:24,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 246 transitions, 511 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:24,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 291 [2022-11-02 21:06:24,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:24,231 INFO L130 PetriNetUnfolder]: 37/329 cut-off events. [2022-11-02 21:06:24,231 INFO L131 PetriNetUnfolder]: For 14/18 co-relation queries the response was YES. [2022-11-02 21:06:24,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 329 events. 37/329 cut-off events. For 14/18 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1081 event pairs, 18 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 374. Up to 58 conditions per place. [2022-11-02 21:06:24,243 INFO L137 encePairwiseOnDemand]: 283/291 looper letters, 24 selfloop transitions, 3 changer transitions 0/245 dead transitions. [2022-11-02 21:06:24,243 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 245 transitions, 566 flow [2022-11-02 21:06:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2022-11-02 21:06:24,247 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9129438717067583 [2022-11-02 21:06:24,247 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 797 transitions. [2022-11-02 21:06:24,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 797 transitions. [2022-11-02 21:06:24,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:24,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 797 transitions. [2022-11-02 21:06:24,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,254 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,254 INFO L175 Difference]: Start difference. First operand has 246 places, 246 transitions, 511 flow. Second operand 3 states and 797 transitions. [2022-11-02 21:06:24,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 245 transitions, 566 flow [2022-11-02 21:06:24,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 245 transitions, 563 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:06:24,261 INFO L231 Difference]: Finished difference. Result has 243 places, 242 transitions, 511 flow [2022-11-02 21:06:24,261 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=511, PETRI_PLACES=243, PETRI_TRANSITIONS=242} [2022-11-02 21:06:24,262 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -20 predicate places. [2022-11-02 21:06:24,263 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 242 transitions, 511 flow [2022-11-02 21:06:24,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:24,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:24,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:06:24,264 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:24,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:24,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1536213201, now seen corresponding path program 1 times [2022-11-02 21:06:24,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:24,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927806444] [2022-11-02 21:06:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:24,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927806444] [2022-11-02 21:06:24,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927806444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:24,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:24,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:24,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609418772] [2022-11-02 21:06:24,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:24,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:24,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:24,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:24,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:24,352 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 291 [2022-11-02 21:06:24,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 242 transitions, 511 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:24,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 291 [2022-11-02 21:06:24,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:24,511 INFO L130 PetriNetUnfolder]: 44/448 cut-off events. [2022-11-02 21:06:24,512 INFO L131 PetriNetUnfolder]: For 26/30 co-relation queries the response was YES. [2022-11-02 21:06:24,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 448 events. 44/448 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1798 event pairs, 9 based on Foata normal form. 1/393 useless extension candidates. Maximal degree in co-relation 497. Up to 61 conditions per place. [2022-11-02 21:06:24,519 INFO L137 encePairwiseOnDemand]: 281/291 looper letters, 29 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2022-11-02 21:06:24,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 244 transitions, 587 flow [2022-11-02 21:06:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2022-11-02 21:06:24,523 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9106529209621993 [2022-11-02 21:06:24,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2022-11-02 21:06:24,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2022-11-02 21:06:24,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:24,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2022-11-02 21:06:24,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,529 INFO L175 Difference]: Start difference. First operand has 243 places, 242 transitions, 511 flow. Second operand 3 states and 795 transitions. [2022-11-02 21:06:24,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 244 transitions, 587 flow [2022-11-02 21:06:24,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 244 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:06:24,552 INFO L231 Difference]: Finished difference. Result has 239 places, 238 transitions, 516 flow [2022-11-02 21:06:24,553 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=239, PETRI_TRANSITIONS=238} [2022-11-02 21:06:24,553 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -24 predicate places. [2022-11-02 21:06:24,554 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 238 transitions, 516 flow [2022-11-02 21:06:24,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:24,554 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:24,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:06:24,555 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:24,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:24,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1167880684, now seen corresponding path program 1 times [2022-11-02 21:06:24,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:24,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330945240] [2022-11-02 21:06:24,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:24,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:24,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330945240] [2022-11-02 21:06:24,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330945240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:24,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:24,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:06:24,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835566103] [2022-11-02 21:06:24,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:24,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:06:24,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:24,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:06:24,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:06:24,630 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 291 [2022-11-02 21:06:24,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 238 transitions, 516 flow. Second operand has 4 states, 4 states have (on average 265.25) internal successors, (1061), 4 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:24,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 291 [2022-11-02 21:06:24,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:24,743 INFO L130 PetriNetUnfolder]: 12/393 cut-off events. [2022-11-02 21:06:24,743 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-02 21:06:24,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 393 events. 12/393 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1173 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 316. Up to 27 conditions per place. [2022-11-02 21:06:24,747 INFO L137 encePairwiseOnDemand]: 285/291 looper letters, 22 selfloop transitions, 5 changer transitions 0/245 dead transitions. [2022-11-02 21:06:24,748 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 245 transitions, 584 flow [2022-11-02 21:06:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:06:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 21:06:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1348 transitions. [2022-11-02 21:06:24,751 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9264604810996564 [2022-11-02 21:06:24,752 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1348 transitions. [2022-11-02 21:06:24,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1348 transitions. [2022-11-02 21:06:24,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:24,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1348 transitions. [2022-11-02 21:06:24,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 269.6) internal successors, (1348), 5 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,759 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,760 INFO L175 Difference]: Start difference. First operand has 239 places, 238 transitions, 516 flow. Second operand 5 states and 1348 transitions. [2022-11-02 21:06:24,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 245 transitions, 584 flow [2022-11-02 21:06:24,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 245 transitions, 580 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:06:24,767 INFO L231 Difference]: Finished difference. Result has 246 places, 242 transitions, 550 flow [2022-11-02 21:06:24,767 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=550, PETRI_PLACES=246, PETRI_TRANSITIONS=242} [2022-11-02 21:06:24,770 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -17 predicate places. [2022-11-02 21:06:24,770 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 242 transitions, 550 flow [2022-11-02 21:06:24,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 265.25) internal successors, (1061), 4 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:24,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:24,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:06:24,772 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:24,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1416164021, now seen corresponding path program 1 times [2022-11-02 21:06:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:24,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016216743] [2022-11-02 21:06:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:24,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:24,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016216743] [2022-11-02 21:06:24,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016216743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:24,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:24,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:24,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050546041] [2022-11-02 21:06:24,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:24,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:24,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:24,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:24,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:24,856 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 291 [2022-11-02 21:06:24,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 242 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:24,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:24,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 291 [2022-11-02 21:06:24,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:25,010 INFO L130 PetriNetUnfolder]: 68/648 cut-off events. [2022-11-02 21:06:25,011 INFO L131 PetriNetUnfolder]: For 58/62 co-relation queries the response was YES. [2022-11-02 21:06:25,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 648 events. 68/648 cut-off events. For 58/62 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3403 event pairs, 15 based on Foata normal form. 2/574 useless extension candidates. Maximal degree in co-relation 577. Up to 87 conditions per place. [2022-11-02 21:06:25,019 INFO L137 encePairwiseOnDemand]: 283/291 looper letters, 25 selfloop transitions, 3 changer transitions 11/245 dead transitions. [2022-11-02 21:06:25,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 245 transitions, 623 flow [2022-11-02 21:06:25,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions. [2022-11-02 21:06:25,022 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9163802978235968 [2022-11-02 21:06:25,023 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions. [2022-11-02 21:06:25,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions. [2022-11-02 21:06:25,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:25,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions. [2022-11-02 21:06:25,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,029 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,029 INFO L175 Difference]: Start difference. First operand has 246 places, 242 transitions, 550 flow. Second operand 3 states and 800 transitions. [2022-11-02 21:06:25,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 245 transitions, 623 flow [2022-11-02 21:06:25,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 245 transitions, 623 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:06:25,036 INFO L231 Difference]: Finished difference. Result has 244 places, 227 transitions, 530 flow [2022-11-02 21:06:25,037 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=244, PETRI_TRANSITIONS=227} [2022-11-02 21:06:25,037 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -19 predicate places. [2022-11-02 21:06:25,038 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 227 transitions, 530 flow [2022-11-02 21:06:25,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:25,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:25,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:06:25,039 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1761384484, now seen corresponding path program 1 times [2022-11-02 21:06:25,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:25,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314552582] [2022-11-02 21:06:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:25,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:25,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:25,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314552582] [2022-11-02 21:06:25,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314552582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:25,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:25,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:25,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494344345] [2022-11-02 21:06:25,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:25,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:25,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:25,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:25,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:25,132 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 291 [2022-11-02 21:06:25,134 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 227 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:25,134 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 291 [2022-11-02 21:06:25,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:25,788 INFO L130 PetriNetUnfolder]: 738/4012 cut-off events. [2022-11-02 21:06:25,788 INFO L131 PetriNetUnfolder]: For 121/247 co-relation queries the response was YES. [2022-11-02 21:06:25,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5389 conditions, 4012 events. 738/4012 cut-off events. For 121/247 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 39295 event pairs, 349 based on Foata normal form. 0/3430 useless extension candidates. Maximal degree in co-relation 3851. Up to 924 conditions per place. [2022-11-02 21:06:25,834 INFO L137 encePairwiseOnDemand]: 283/291 looper letters, 20 selfloop transitions, 4 changer transitions 0/230 dead transitions. [2022-11-02 21:06:25,834 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 230 transitions, 587 flow [2022-11-02 21:06:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 811 transitions. [2022-11-02 21:06:25,837 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9289805269186713 [2022-11-02 21:06:25,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 811 transitions. [2022-11-02 21:06:25,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 811 transitions. [2022-11-02 21:06:25,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:25,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 811 transitions. [2022-11-02 21:06:25,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,844 INFO L175 Difference]: Start difference. First operand has 244 places, 227 transitions, 530 flow. Second operand 3 states and 811 transitions. [2022-11-02 21:06:25,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 230 transitions, 587 flow [2022-11-02 21:06:25,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 230 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:06:25,854 INFO L231 Difference]: Finished difference. Result has 231 places, 227 transitions, 547 flow [2022-11-02 21:06:25,855 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=547, PETRI_PLACES=231, PETRI_TRANSITIONS=227} [2022-11-02 21:06:25,856 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2022-11-02 21:06:25,856 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 227 transitions, 547 flow [2022-11-02 21:06:25,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:25,857 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:25,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:06:25,857 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:25,858 INFO L85 PathProgramCache]: Analyzing trace with hash -2050785749, now seen corresponding path program 1 times [2022-11-02 21:06:25,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:25,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577065917] [2022-11-02 21:06:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:25,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:25,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:25,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577065917] [2022-11-02 21:06:25,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577065917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:25,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:25,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:25,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400418796] [2022-11-02 21:06:25,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:25,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:25,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:25,930 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 291 [2022-11-02 21:06:25,931 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 227 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:25,931 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:25,931 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 291 [2022-11-02 21:06:25,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:26,300 INFO L130 PetriNetUnfolder]: 237/1383 cut-off events. [2022-11-02 21:06:26,300 INFO L131 PetriNetUnfolder]: For 22/37 co-relation queries the response was YES. [2022-11-02 21:06:26,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2104 conditions, 1383 events. 237/1383 cut-off events. For 22/37 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 10402 event pairs, 100 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 1355. Up to 237 conditions per place. [2022-11-02 21:06:26,324 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 25 selfloop transitions, 2 changer transitions 0/229 dead transitions. [2022-11-02 21:06:26,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 229 transitions, 608 flow [2022-11-02 21:06:26,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 777 transitions. [2022-11-02 21:06:26,327 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8900343642611683 [2022-11-02 21:06:26,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 777 transitions. [2022-11-02 21:06:26,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 777 transitions. [2022-11-02 21:06:26,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:26,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 777 transitions. [2022-11-02 21:06:26,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,334 INFO L175 Difference]: Start difference. First operand has 231 places, 227 transitions, 547 flow. Second operand 3 states and 777 transitions. [2022-11-02 21:06:26,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 229 transitions, 608 flow [2022-11-02 21:06:26,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 229 transitions, 608 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 21:06:26,340 INFO L231 Difference]: Finished difference. Result has 232 places, 226 transitions, 549 flow [2022-11-02 21:06:26,341 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=232, PETRI_TRANSITIONS=226} [2022-11-02 21:06:26,343 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -31 predicate places. [2022-11-02 21:06:26,344 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 226 transitions, 549 flow [2022-11-02 21:06:26,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:26,345 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:26,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:06:26,345 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:26,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:26,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1750146339, now seen corresponding path program 1 times [2022-11-02 21:06:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:26,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840133745] [2022-11-02 21:06:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:26,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:26,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840133745] [2022-11-02 21:06:26,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840133745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:26,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:26,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:26,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041836237] [2022-11-02 21:06:26,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:26,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:26,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:26,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:26,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:26,429 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 291 [2022-11-02 21:06:26,430 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 226 transitions, 549 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:26,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 291 [2022-11-02 21:06:26,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:26,762 INFO L130 PetriNetUnfolder]: 329/1541 cut-off events. [2022-11-02 21:06:26,762 INFO L131 PetriNetUnfolder]: For 61/82 co-relation queries the response was YES. [2022-11-02 21:06:26,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 1541 events. 329/1541 cut-off events. For 61/82 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 12011 event pairs, 164 based on Foata normal form. 0/1402 useless extension candidates. Maximal degree in co-relation 2472. Up to 416 conditions per place. [2022-11-02 21:06:26,784 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 23 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2022-11-02 21:06:26,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 228 transitions, 606 flow [2022-11-02 21:06:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2022-11-02 21:06:26,787 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8980526918671249 [2022-11-02 21:06:26,788 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2022-11-02 21:06:26,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2022-11-02 21:06:26,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:26,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2022-11-02 21:06:26,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,793 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,793 INFO L175 Difference]: Start difference. First operand has 232 places, 226 transitions, 549 flow. Second operand 3 states and 784 transitions. [2022-11-02 21:06:26,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 228 transitions, 606 flow [2022-11-02 21:06:26,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 228 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:26,799 INFO L231 Difference]: Finished difference. Result has 231 places, 225 transitions, 547 flow [2022-11-02 21:06:26,799 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=547, PETRI_PLACES=231, PETRI_TRANSITIONS=225} [2022-11-02 21:06:26,800 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2022-11-02 21:06:26,800 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 225 transitions, 547 flow [2022-11-02 21:06:26,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:26,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:26,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:06:26,817 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:26,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash 918851898, now seen corresponding path program 1 times [2022-11-02 21:06:26,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782725649] [2022-11-02 21:06:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:26,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:26,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782725649] [2022-11-02 21:06:26,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782725649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:26,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:26,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:26,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601368234] [2022-11-02 21:06:26,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:26,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:26,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:26,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:26,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:26,883 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 291 [2022-11-02 21:06:26,886 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 225 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:26,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:26,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 291 [2022-11-02 21:06:26,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:27,144 INFO L130 PetriNetUnfolder]: 220/1334 cut-off events. [2022-11-02 21:06:27,144 INFO L131 PetriNetUnfolder]: For 97/121 co-relation queries the response was YES. [2022-11-02 21:06:27,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2008 conditions, 1334 events. 220/1334 cut-off events. For 97/121 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 9369 event pairs, 85 based on Foata normal form. 0/1201 useless extension candidates. Maximal degree in co-relation 1770. Up to 228 conditions per place. [2022-11-02 21:06:27,163 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 26 selfloop transitions, 2 changer transitions 0/227 dead transitions. [2022-11-02 21:06:27,163 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 227 transitions, 610 flow [2022-11-02 21:06:27,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 777 transitions. [2022-11-02 21:06:27,165 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8900343642611683 [2022-11-02 21:06:27,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 777 transitions. [2022-11-02 21:06:27,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 777 transitions. [2022-11-02 21:06:27,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:27,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 777 transitions. [2022-11-02 21:06:27,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,170 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,170 INFO L175 Difference]: Start difference. First operand has 231 places, 225 transitions, 547 flow. Second operand 3 states and 777 transitions. [2022-11-02 21:06:27,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 227 transitions, 610 flow [2022-11-02 21:06:27,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 227 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:27,175 INFO L231 Difference]: Finished difference. Result has 230 places, 224 transitions, 545 flow [2022-11-02 21:06:27,176 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=545, PETRI_PLACES=230, PETRI_TRANSITIONS=224} [2022-11-02 21:06:27,176 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -33 predicate places. [2022-11-02 21:06:27,176 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 224 transitions, 545 flow [2022-11-02 21:06:27,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.66666666666666) internal successors, (764), 3 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:27,177 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:27,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:06:27,177 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash -136620018, now seen corresponding path program 1 times [2022-11-02 21:06:27,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:27,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693812082] [2022-11-02 21:06:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:27,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:27,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:27,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693812082] [2022-11-02 21:06:27,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693812082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:27,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:27,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:27,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265939750] [2022-11-02 21:06:27,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:27,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:27,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:27,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:27,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:27,621 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 291 [2022-11-02 21:06:27,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 224 transitions, 545 flow. Second operand has 6 states, 6 states have (on average 248.16666666666666) internal successors, (1489), 6 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:27,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 291 [2022-11-02 21:06:27,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:27,877 INFO L130 PetriNetUnfolder]: 88/927 cut-off events. [2022-11-02 21:06:27,877 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-02 21:06:27,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1305 conditions, 927 events. 88/927 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5356 event pairs, 8 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 1217. Up to 108 conditions per place. [2022-11-02 21:06:27,888 INFO L137 encePairwiseOnDemand]: 286/291 looper letters, 30 selfloop transitions, 4 changer transitions 0/223 dead transitions. [2022-11-02 21:06:27,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 223 transitions, 611 flow [2022-11-02 21:06:27,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:06:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:06:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1511 transitions. [2022-11-02 21:06:27,891 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8654066437571593 [2022-11-02 21:06:27,892 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1511 transitions. [2022-11-02 21:06:27,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1511 transitions. [2022-11-02 21:06:27,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:27,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1511 transitions. [2022-11-02 21:06:27,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,899 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,899 INFO L175 Difference]: Start difference. First operand has 230 places, 224 transitions, 545 flow. Second operand 6 states and 1511 transitions. [2022-11-02 21:06:27,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 223 transitions, 611 flow [2022-11-02 21:06:27,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 223 transitions, 607 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:27,904 INFO L231 Difference]: Finished difference. Result has 232 places, 223 transitions, 547 flow [2022-11-02 21:06:27,905 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=539, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=547, PETRI_PLACES=232, PETRI_TRANSITIONS=223} [2022-11-02 21:06:27,905 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -31 predicate places. [2022-11-02 21:06:27,905 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 223 transitions, 547 flow [2022-11-02 21:06:27,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 248.16666666666666) internal successors, (1489), 6 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:27,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:27,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 21:06:27,906 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:27,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:27,907 INFO L85 PathProgramCache]: Analyzing trace with hash 262787419, now seen corresponding path program 1 times [2022-11-02 21:06:27,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:27,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20513908] [2022-11-02 21:06:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:27,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:27,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20513908] [2022-11-02 21:06:27,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20513908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:27,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:27,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:27,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526855617] [2022-11-02 21:06:27,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:27,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:27,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:27,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:27,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:27,959 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 291 [2022-11-02 21:06:27,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 223 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:27,960 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:27,960 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 291 [2022-11-02 21:06:27,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:28,176 INFO L130 PetriNetUnfolder]: 172/1147 cut-off events. [2022-11-02 21:06:28,177 INFO L131 PetriNetUnfolder]: For 88/98 co-relation queries the response was YES. [2022-11-02 21:06:28,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 1147 events. 172/1147 cut-off events. For 88/98 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7345 event pairs, 60 based on Foata normal form. 0/1034 useless extension candidates. Maximal degree in co-relation 1212. Up to 167 conditions per place. [2022-11-02 21:06:28,190 INFO L137 encePairwiseOnDemand]: 288/291 looper letters, 23 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2022-11-02 21:06:28,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 225 transitions, 604 flow [2022-11-02 21:06:28,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:06:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2022-11-02 21:06:28,193 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8980526918671249 [2022-11-02 21:06:28,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2022-11-02 21:06:28,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2022-11-02 21:06:28,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:28,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2022-11-02 21:06:28,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 291.0) internal successors, (1164), 4 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,197 INFO L175 Difference]: Start difference. First operand has 232 places, 223 transitions, 547 flow. Second operand 3 states and 784 transitions. [2022-11-02 21:06:28,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 225 transitions, 604 flow [2022-11-02 21:06:28,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 225 transitions, 597 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:06:28,202 INFO L231 Difference]: Finished difference. Result has 229 places, 222 transitions, 542 flow [2022-11-02 21:06:28,202 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=229, PETRI_TRANSITIONS=222} [2022-11-02 21:06:28,203 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -34 predicate places. [2022-11-02 21:06:28,203 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 222 transitions, 542 flow [2022-11-02 21:06:28,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:28,204 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:28,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 21:06:28,204 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:28,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:28,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1096543842, now seen corresponding path program 1 times [2022-11-02 21:06:28,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:28,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397745785] [2022-11-02 21:06:28,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:28,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:28,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:28,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397745785] [2022-11-02 21:06:28,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397745785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:28,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:28,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:28,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779094873] [2022-11-02 21:06:28,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:28,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:28,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:28,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:28,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:28,728 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 291 [2022-11-02 21:06:28,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 222 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 249.16666666666666) internal successors, (1495), 6 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:28,731 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 291 [2022-11-02 21:06:28,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:28,970 INFO L130 PetriNetUnfolder]: 88/920 cut-off events. [2022-11-02 21:06:28,970 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-02 21:06:28,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1290 conditions, 920 events. 88/920 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5302 event pairs, 8 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 1218. Up to 108 conditions per place. [2022-11-02 21:06:28,982 INFO L137 encePairwiseOnDemand]: 286/291 looper letters, 29 selfloop transitions, 4 changer transitions 0/221 dead transitions. [2022-11-02 21:06:28,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 221 transitions, 606 flow [2022-11-02 21:06:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:06:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:06:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1510 transitions. [2022-11-02 21:06:28,986 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8648339060710195 [2022-11-02 21:06:28,987 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1510 transitions. [2022-11-02 21:06:28,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1510 transitions. [2022-11-02 21:06:28,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:28,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1510 transitions. [2022-11-02 21:06:28,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,994 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:28,994 INFO L175 Difference]: Start difference. First operand has 229 places, 222 transitions, 542 flow. Second operand 6 states and 1510 transitions. [2022-11-02 21:06:28,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 221 transitions, 606 flow [2022-11-02 21:06:28,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 221 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:06:28,999 INFO L231 Difference]: Finished difference. Result has 231 places, 221 transitions, 544 flow [2022-11-02 21:06:29,000 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=544, PETRI_PLACES=231, PETRI_TRANSITIONS=221} [2022-11-02 21:06:29,000 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2022-11-02 21:06:29,000 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 221 transitions, 544 flow [2022-11-02 21:06:29,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.16666666666666) internal successors, (1495), 6 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:29,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:29,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:29,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 21:06:29,002 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:29,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:29,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1098539169, now seen corresponding path program 1 times [2022-11-02 21:06:29,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:29,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472443749] [2022-11-02 21:06:29,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:29,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:29,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472443749] [2022-11-02 21:06:29,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472443749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:29,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:29,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:29,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143279543] [2022-11-02 21:06:29,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:29,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:29,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:29,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:29,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:29,584 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 291 [2022-11-02 21:06:29,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 221 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 250.16666666666666) internal successors, (1501), 6 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:29,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:29,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 291 [2022-11-02 21:06:29,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:29,843 INFO L130 PetriNetUnfolder]: 88/913 cut-off events. [2022-11-02 21:06:29,843 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-02 21:06:29,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1284 conditions, 913 events. 88/913 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5259 event pairs, 8 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 1077. Up to 108 conditions per place. [2022-11-02 21:06:29,855 INFO L137 encePairwiseOnDemand]: 286/291 looper letters, 28 selfloop transitions, 4 changer transitions 0/220 dead transitions. [2022-11-02 21:06:29,855 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 220 transitions, 606 flow [2022-11-02 21:06:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:06:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:06:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1509 transitions. [2022-11-02 21:06:29,860 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8642611683848798 [2022-11-02 21:06:29,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1509 transitions. [2022-11-02 21:06:29,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1509 transitions. [2022-11-02 21:06:29,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:29,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1509 transitions. [2022-11-02 21:06:29,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:29,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:29,869 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:29,870 INFO L175 Difference]: Start difference. First operand has 231 places, 221 transitions, 544 flow. Second operand 6 states and 1509 transitions. [2022-11-02 21:06:29,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 220 transitions, 606 flow [2022-11-02 21:06:29,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 220 transitions, 599 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:06:29,876 INFO L231 Difference]: Finished difference. Result has 231 places, 220 transitions, 543 flow [2022-11-02 21:06:29,876 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=543, PETRI_PLACES=231, PETRI_TRANSITIONS=220} [2022-11-02 21:06:29,877 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2022-11-02 21:06:29,877 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 220 transitions, 543 flow [2022-11-02 21:06:29,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 250.16666666666666) internal successors, (1501), 6 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:29,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:06:29,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:29,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 21:06:29,878 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-02 21:06:29,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:29,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1667763068, now seen corresponding path program 1 times [2022-11-02 21:06:29,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:29,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143288631] [2022-11-02 21:06:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:29,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:30,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:30,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143288631] [2022-11-02 21:06:30,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143288631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:30,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:30,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:06:30,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059611637] [2022-11-02 21:06:30,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:30,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:06:30,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:30,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:06:30,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:06:30,571 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 291 [2022-11-02 21:06:30,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 220 transitions, 543 flow. Second operand has 6 states, 6 states have (on average 251.16666666666666) internal successors, (1507), 6 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:30,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:06:30,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 291 [2022-11-02 21:06:30,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:06:30,796 INFO L130 PetriNetUnfolder]: 88/910 cut-off events. [2022-11-02 21:06:30,796 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-02 21:06:30,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 910 events. 88/910 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5248 event pairs, 8 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 1138. Up to 108 conditions per place. [2022-11-02 21:06:30,805 INFO L137 encePairwiseOnDemand]: 286/291 looper letters, 0 selfloop transitions, 0 changer transitions 219/219 dead transitions. [2022-11-02 21:06:30,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 219 transitions, 603 flow [2022-11-02 21:06:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:06:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:06:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1508 transitions. [2022-11-02 21:06:30,809 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.86368843069874 [2022-11-02 21:06:30,810 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1508 transitions. [2022-11-02 21:06:30,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1508 transitions. [2022-11-02 21:06:30,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:06:30,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1508 transitions. [2022-11-02 21:06:30,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.33333333333334) internal successors, (1508), 6 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:30,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:30,845 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 291.0) internal successors, (2037), 7 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:30,845 INFO L175 Difference]: Start difference. First operand has 231 places, 220 transitions, 543 flow. Second operand 6 states and 1508 transitions. [2022-11-02 21:06:30,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 219 transitions, 603 flow [2022-11-02 21:06:30,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 219 transitions, 596 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:06:30,850 INFO L231 Difference]: Finished difference. Result has 231 places, 0 transitions, 0 flow [2022-11-02 21:06:30,851 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=291, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=231, PETRI_TRANSITIONS=0} [2022-11-02 21:06:30,851 INFO L287 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2022-11-02 21:06:30,852 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 0 transitions, 0 flow [2022-11-02 21:06:30,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.16666666666666) internal successors, (1507), 6 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:06:30,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-11-02 21:06:30,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-11-02 21:06:30,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-11-02 21:06:30,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-11-02 21:06:30,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-11-02 21:06:30,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-11-02 21:06:30,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-11-02 21:06:30,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-11-02 21:06:30,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-11-02 21:06:30,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-11-02 21:06:30,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-11-02 21:06:30,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-11-02 21:06:30,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-11-02 21:06:30,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-11-02 21:06:30,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-11-02 21:06:30,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-11-02 21:06:30,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-11-02 21:06:30,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-11-02 21:06:30,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-11-02 21:06:30,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-11-02 21:06:30,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-11-02 21:06:30,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-11-02 21:06:30,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-11-02 21:06:30,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-11-02 21:06:30,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-11-02 21:06:30,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-11-02 21:06:30,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-11-02 21:06:30,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-11-02 21:06:30,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-11-02 21:06:30,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-11-02 21:06:30,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-11-02 21:06:30,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-11-02 21:06:30,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-11-02 21:06:30,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-11-02 21:06:30,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 63 remaining) [2022-11-02 21:06:30,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 63 remaining) [2022-11-02 21:06:30,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 63 remaining) [2022-11-02 21:06:30,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 63 remaining) [2022-11-02 21:06:30,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2022-11-02 21:06:30,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2022-11-02 21:06:30,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2022-11-02 21:06:30,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-11-02 21:06:30,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-11-02 21:06:30,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-11-02 21:06:30,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-11-02 21:06:30,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-11-02 21:06:30,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-11-02 21:06:30,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-11-02 21:06:30,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-11-02 21:06:30,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-11-02 21:06:30,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-11-02 21:06:30,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-11-02 21:06:30,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-11-02 21:06:30,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-11-02 21:06:30,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-11-02 21:06:30,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-11-02 21:06:30,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-11-02 21:06:30,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-11-02 21:06:30,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-11-02 21:06:30,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-11-02 21:06:30,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-11-02 21:06:30,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-11-02 21:06:30,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-11-02 21:06:30,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 21:06:30,867 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:30,873 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:06:30,873 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:06:30,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:06:30 BasicIcfg [2022-11-02 21:06:30,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:06:30,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:06:30,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:06:30,879 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:06:30,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:20" (3/4) ... [2022-11-02 21:06:30,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:06:30,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 21:06:30,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 21:06:30,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 21:06:30,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-02 21:06:30,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-02 21:06:30,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:06:30,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:06:30,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:06:30,934 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:06:30,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:06:30,935 INFO L158 Benchmark]: Toolchain (without parser) took 11330.26ms. Allocated memory was 94.4MB in the beginning and 654.3MB in the end (delta: 559.9MB). Free memory was 59.6MB in the beginning and 552.8MB in the end (delta: -493.3MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2022-11-02 21:06:30,936 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:06:30,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.53ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 68.9MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:06:30,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:06:30,937 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 64.8MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:06:30,937 INFO L158 Benchmark]: RCFGBuilder took 769.23ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.8MB in the beginning and 89.7MB in the end (delta: -24.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-02 21:06:30,938 INFO L158 Benchmark]: TraceAbstraction took 10093.72ms. Allocated memory was 113.2MB in the beginning and 654.3MB in the end (delta: 541.1MB). Free memory was 88.7MB in the beginning and 557.0MB in the end (delta: -468.3MB). Peak memory consumption was 430.8MB. Max. memory is 16.1GB. [2022-11-02 21:06:30,938 INFO L158 Benchmark]: Witness Printer took 56.23ms. Allocated memory is still 654.3MB. Free memory was 557.0MB in the beginning and 552.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:06:30,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.53ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 68.9MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 64.8MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 769.23ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.8MB in the beginning and 89.7MB in the end (delta: -24.9MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10093.72ms. Allocated memory was 113.2MB in the beginning and 654.3MB in the end (delta: 541.1MB). Free memory was 88.7MB in the beginning and 557.0MB in the end (delta: -468.3MB). Peak memory consumption was 430.8MB. Max. memory is 16.1GB. * Witness Printer took 56.23ms. Allocated memory is still 654.3MB. Free memory was 557.0MB in the beginning and 552.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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 9 procedures, 370 locations, 63 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: 9.8s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 288 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 157 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 713 IncrementalHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 279 mSDtfsCounter, 713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=550occurred in iteration=9, InterpolantAutomatonStates: 71, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1416 ConstructedInterpolants, 0 QuantifiedInterpolants, 1770 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:06:30,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6deff0f-915a-46c7-98c2-44f81cdebf06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE