./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF --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 30be2d02c76302b32ef0f3489a863fd4dd7369a786303f9fa3ce3f9985de18bf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:47:15,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:47:15,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:47:15,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:47:15,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:47:15,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:47:15,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:47:15,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:47:15,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:47:15,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:47:15,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:47:15,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:47:15,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:47:15,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:47:15,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:47:15,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:47:15,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:47:15,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:47:15,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:47:15,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:47:15,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:47:15,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:47:15,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:47:15,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:47:15,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:47:15,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:47:15,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:47:15,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:47:15,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:47:15,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:47:15,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:47:15,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:47:15,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:47:15,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:47:15,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:47:15,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:47:15,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:47:15,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:47:15,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:47:15,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:47:15,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:47:15,944 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 05:47:16,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:47:16,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:47:16,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:47:16,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:47:16,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:47:16,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:47:16,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:47:16,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:47:16,018 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:47:16,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:47:16,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:47:16,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:47:16,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:47:16,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:47:16,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:47:16,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:47:16,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:47:16,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:47:16,022 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 05:47:16,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:47:16,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:47:16,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:47:16,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:47:16,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:47:16,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:47:16,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:47:16,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:47:16,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:47:16,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:47:16,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:47:16,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:47:16,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:47:16,029 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:47:16,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:47:16,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:47:16,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:47:16,030 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_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30be2d02c76302b32ef0f3489a863fd4dd7369a786303f9fa3ce3f9985de18bf [2021-11-20 05:47:16,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:47:16,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:47:16,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:47:16,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:47:16,382 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:47:16,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-atomic/szymanski-b.i [2021-11-20 05:47:16,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/data/f7a4f2591/37cf0d3b6ff54725813236124777cded/FLAG3f32e4244 [2021-11-20 05:47:17,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:47:17,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/sv-benchmarks/c/pthread-atomic/szymanski-b.i [2021-11-20 05:47:17,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/data/f7a4f2591/37cf0d3b6ff54725813236124777cded/FLAG3f32e4244 [2021-11-20 05:47:17,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/data/f7a4f2591/37cf0d3b6ff54725813236124777cded [2021-11-20 05:47:17,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:47:17,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:47:17,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:47:17,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:47:17,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:47:17,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:17" (1/1) ... [2021-11-20 05:47:17,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fb1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:17, skipping insertion in model container [2021-11-20 05:47:17,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:47:17" (1/1) ... [2021-11-20 05:47:17,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:47:17,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:47:17,875 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_c8b24919-c11d-4c23-b857-ce290943fca1/sv-benchmarks/c/pthread-atomic/szymanski-b.i[30088,30101] [2021-11-20 05:47:17,887 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_c8b24919-c11d-4c23-b857-ce290943fca1/sv-benchmarks/c/pthread-atomic/szymanski-b.i[30375,30388] [2021-11-20 05:47:17,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:47:17,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:47:17,993 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_c8b24919-c11d-4c23-b857-ce290943fca1/sv-benchmarks/c/pthread-atomic/szymanski-b.i[30088,30101] [2021-11-20 05:47:17,997 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_c8b24919-c11d-4c23-b857-ce290943fca1/sv-benchmarks/c/pthread-atomic/szymanski-b.i[30375,30388] [2021-11-20 05:47:18,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:47:18,071 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:47:18,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18 WrapperNode [2021-11-20 05:47:18,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:47:18,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:47:18,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:47:18,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:47:18,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,150 INFO L137 Inliner]: procedures = 167, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2021-11-20 05:47:18,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:47:18,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:47:18,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:47:18,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:47:18,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:47:18,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:47:18,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:47:18,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:47:18,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (1/1) ... [2021-11-20 05:47:18,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:47:18,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:47:18,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:47:18,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:47:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:47:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-20 05:47:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-20 05:47:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-20 05:47:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-20 05:47:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:47:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:47:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:47:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:47:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:47:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:47:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:47:18,363 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 05:47:18,501 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:47:18,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:47:18,947 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:47:18,960 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:47:18,960 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-20 05:47:18,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:18 BoogieIcfgContainer [2021-11-20 05:47:18,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:47:18,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:47:18,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:47:18,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:47:18,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:47:17" (1/3) ... [2021-11-20 05:47:18,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ad5405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:47:18, skipping insertion in model container [2021-11-20 05:47:18,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:47:18" (2/3) ... [2021-11-20 05:47:18,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ad5405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:47:18, skipping insertion in model container [2021-11-20 05:47:18,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:18" (3/3) ... [2021-11-20 05:47:18,974 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski-b.i [2021-11-20 05:47:18,981 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 05:47:18,981 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:47:18,982 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-20 05:47:18,982 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 05:47:19,029 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,030 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,030 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,031 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,031 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,031 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,032 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,032 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,032 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,049 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,049 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,050 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,050 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,051 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,051 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,051 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,052 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,052 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,053 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,053 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,054 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,054 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,054 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,055 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,055 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,055 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,056 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,056 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,057 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,057 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,058 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,058 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,058 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,058 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,059 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,059 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,060 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,060 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,060 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,060 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,061 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,061 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,062 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,062 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,062 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,062 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,063 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,063 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,084 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,085 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,085 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,085 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,086 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,086 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,086 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,086 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,087 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,087 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,087 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,088 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,088 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,088 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,089 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,089 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,089 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,089 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,089 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,090 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,090 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,090 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,090 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,091 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,091 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,091 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,091 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,092 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,092 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,092 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,092 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,093 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,093 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,093 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,093 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,094 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,094 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,094 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,094 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,095 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,103 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,103 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,103 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,104 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,104 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,104 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,104 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,105 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,105 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,105 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,105 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,106 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,106 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,106 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,107 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,107 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,107 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,108 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,108 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,108 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,109 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,109 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,109 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,110 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,110 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,115 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,116 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,116 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,116 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,118 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,120 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,120 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,121 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,121 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,121 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,122 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,122 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,122 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,122 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,122 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,123 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,123 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,124 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,124 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,124 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,125 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,125 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,125 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,125 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,126 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,126 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,126 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,127 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,127 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,127 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,128 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,128 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,128 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,128 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,129 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,129 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,129 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,129 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,130 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,130 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,130 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,130 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,131 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,131 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,131 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,131 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,131 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,132 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,132 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,132 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,133 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,133 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,133 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,133 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,133 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,138 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,139 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,139 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,139 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,139 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,140 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,140 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,140 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,140 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,141 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~short15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,141 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~short8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,146 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,146 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,147 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,147 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,148 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 05:47:19,151 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-20 05:47:19,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:47:19,222 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:47:19,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2021-11-20 05:47:19,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 225 transitions, 466 flow [2021-11-20 05:47:19,352 INFO L129 PetriNetUnfolder]: 22/223 cut-off events. [2021-11-20 05:47:19,352 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 05:47:19,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 223 events. 22/223 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 503 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 187. Up to 3 conditions per place. [2021-11-20 05:47:19,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 225 transitions, 466 flow [2021-11-20 05:47:19,395 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 213 transitions, 435 flow [2021-11-20 05:47:19,404 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-11-20 05:47:19,404 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 05:47:19,404 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:19,405 INFO L254 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] [2021-11-20 05:47:19,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:19,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1300217422, now seen corresponding path program 1 times [2021-11-20 05:47:19,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:19,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117804252] [2021-11-20 05:47:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:19,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:19,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:19,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117804252] [2021-11-20 05:47:19,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117804252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:19,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:19,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:47:19,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368632824] [2021-11-20 05:47:19,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:19,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:47:19,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:19,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:47:19,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:47:19,711 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 225 [2021-11-20 05:47:19,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 213 transitions, 435 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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) [2021-11-20 05:47:19,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:47:19,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 225 [2021-11-20 05:47:19,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:47:20,399 INFO L129 PetriNetUnfolder]: 524/2189 cut-off events. [2021-11-20 05:47:20,399 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-11-20 05:47:20,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3074 conditions, 2189 events. 524/2189 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 15604 event pairs, 296 based on Foata normal form. 98/1721 useless extension candidates. Maximal degree in co-relation 2882. Up to 743 conditions per place. [2021-11-20 05:47:20,441 INFO L132 encePairwiseOnDemand]: 205/225 looper letters, 50 selfloop transitions, 9 changer transitions 0/222 dead transitions. [2021-11-20 05:47:20,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 222 transitions, 574 flow [2021-11-20 05:47:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:47:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:47:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2021-11-20 05:47:20,470 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8844444444444445 [2021-11-20 05:47:20,471 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 597 transitions. [2021-11-20 05:47:20,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 597 transitions. [2021-11-20 05:47:20,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:47:20,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 597 transitions. [2021-11-20 05:47:20,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2021-11-20 05:47:20,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:20,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:20,513 INFO L186 Difference]: Start difference. First operand has 198 places, 213 transitions, 435 flow. Second operand 3 states and 597 transitions. [2021-11-20 05:47:20,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 222 transitions, 574 flow [2021-11-20 05:47:20,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 222 transitions, 568 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-20 05:47:20,536 INFO L242 Difference]: Finished difference. Result has 197 places, 209 transitions, 476 flow [2021-11-20 05:47:20,539 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=197, PETRI_TRANSITIONS=209} [2021-11-20 05:47:20,545 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, -1 predicate places. [2021-11-20 05:47:20,545 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 209 transitions, 476 flow [2021-11-20 05:47:20,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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) [2021-11-20 05:47:20,546 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:20,547 INFO L254 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] [2021-11-20 05:47:20,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:47:20,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:20,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:20,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1532164403, now seen corresponding path program 1 times [2021-11-20 05:47:20,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:20,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003533159] [2021-11-20 05:47:20,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:20,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:20,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:20,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003533159] [2021-11-20 05:47:20,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003533159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:20,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:20,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:47:20,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676904273] [2021-11-20 05:47:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:20,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:47:20,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:47:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:47:20,658 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 225 [2021-11-20 05:47:20,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 209 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2021-11-20 05:47:20,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:47:20,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 225 [2021-11-20 05:47:20,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:47:21,511 INFO L129 PetriNetUnfolder]: 751/3685 cut-off events. [2021-11-20 05:47:21,511 INFO L130 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2021-11-20 05:47:21,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5037 conditions, 3685 events. 751/3685 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 31833 event pairs, 70 based on Foata normal form. 0/2763 useless extension candidates. Maximal degree in co-relation 4874. Up to 643 conditions per place. [2021-11-20 05:47:21,558 INFO L132 encePairwiseOnDemand]: 202/225 looper letters, 48 selfloop transitions, 17 changer transitions 0/238 dead transitions. [2021-11-20 05:47:21,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 238 transitions, 667 flow [2021-11-20 05:47:21,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:47:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:47:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-11-20 05:47:21,562 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8874074074074074 [2021-11-20 05:47:21,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2021-11-20 05:47:21,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2021-11-20 05:47:21,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:47:21,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2021-11-20 05:47:21,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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) [2021-11-20 05:47:21,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:21,573 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:21,573 INFO L186 Difference]: Start difference. First operand has 197 places, 209 transitions, 476 flow. Second operand 3 states and 599 transitions. [2021-11-20 05:47:21,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 238 transitions, 667 flow [2021-11-20 05:47:21,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 238 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 05:47:21,596 INFO L242 Difference]: Finished difference. Result has 199 places, 226 transitions, 606 flow [2021-11-20 05:47:21,597 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=199, PETRI_TRANSITIONS=226} [2021-11-20 05:47:21,598 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 1 predicate places. [2021-11-20 05:47:21,598 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 226 transitions, 606 flow [2021-11-20 05:47:21,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 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) [2021-11-20 05:47:21,600 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:21,600 INFO L254 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] [2021-11-20 05:47:21,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:47:21,601 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:21,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1719672186, now seen corresponding path program 1 times [2021-11-20 05:47:21,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:21,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526767921] [2021-11-20 05:47:21,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:21,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:21,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:21,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526767921] [2021-11-20 05:47:21,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526767921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:21,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:21,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:47:21,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360880114] [2021-11-20 05:47:21,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:21,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:47:21,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:21,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:47:21,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:47:21,701 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 225 [2021-11-20 05:47:21,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 226 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2021-11-20 05:47:21,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:47:21,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 225 [2021-11-20 05:47:21,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:47:22,503 INFO L129 PetriNetUnfolder]: 821/3788 cut-off events. [2021-11-20 05:47:22,503 INFO L130 PetriNetUnfolder]: For 972/1095 co-relation queries the response was YES. [2021-11-20 05:47:22,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6284 conditions, 3788 events. 821/3788 cut-off events. For 972/1095 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 32608 event pairs, 244 based on Foata normal form. 6/2965 useless extension candidates. Maximal degree in co-relation 4805. Up to 1138 conditions per place. [2021-11-20 05:47:22,582 INFO L132 encePairwiseOnDemand]: 215/225 looper letters, 72 selfloop transitions, 16 changer transitions 0/259 dead transitions. [2021-11-20 05:47:22,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 259 transitions, 933 flow [2021-11-20 05:47:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:47:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:47:22,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2021-11-20 05:47:22,587 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8622222222222222 [2021-11-20 05:47:22,588 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 582 transitions. [2021-11-20 05:47:22,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 582 transitions. [2021-11-20 05:47:22,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:47:22,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 582 transitions. [2021-11-20 05:47:22,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 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) [2021-11-20 05:47:22,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:22,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:22,596 INFO L186 Difference]: Start difference. First operand has 199 places, 226 transitions, 606 flow. Second operand 3 states and 582 transitions. [2021-11-20 05:47:22,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 259 transitions, 933 flow [2021-11-20 05:47:22,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 259 transitions, 875 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 05:47:22,669 INFO L242 Difference]: Finished difference. Result has 201 places, 240 transitions, 718 flow [2021-11-20 05:47:22,670 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=718, PETRI_PLACES=201, PETRI_TRANSITIONS=240} [2021-11-20 05:47:22,673 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 3 predicate places. [2021-11-20 05:47:22,673 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 240 transitions, 718 flow [2021-11-20 05:47:22,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2021-11-20 05:47:22,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:22,674 INFO L254 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] [2021-11-20 05:47:22,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:47:22,675 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:22,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash 8464183, now seen corresponding path program 1 times [2021-11-20 05:47:22,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:22,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819536010] [2021-11-20 05:47:22,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:22,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:22,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:22,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819536010] [2021-11-20 05:47:22,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819536010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:22,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:22,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:47:22,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774852821] [2021-11-20 05:47:22,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:22,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:47:22,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:22,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:47:22,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:47:22,784 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 225 [2021-11-20 05:47:22,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 240 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-11-20 05:47:22,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:47:22,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 225 [2021-11-20 05:47:22,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:47:23,850 INFO L129 PetriNetUnfolder]: 1324/5390 cut-off events. [2021-11-20 05:47:23,854 INFO L130 PetriNetUnfolder]: For 718/749 co-relation queries the response was YES. [2021-11-20 05:47:23,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8632 conditions, 5390 events. 1324/5390 cut-off events. For 718/749 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 48463 event pairs, 515 based on Foata normal form. 5/4033 useless extension candidates. Maximal degree in co-relation 8428. Up to 1713 conditions per place. [2021-11-20 05:47:23,932 INFO L132 encePairwiseOnDemand]: 215/225 looper letters, 57 selfloop transitions, 9 changer transitions 0/261 dead transitions. [2021-11-20 05:47:23,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 261 transitions, 906 flow [2021-11-20 05:47:23,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:47:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:47:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 582 transitions. [2021-11-20 05:47:23,936 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8622222222222222 [2021-11-20 05:47:23,936 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 582 transitions. [2021-11-20 05:47:23,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 582 transitions. [2021-11-20 05:47:23,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:47:23,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 582 transitions. [2021-11-20 05:47:23,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 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) [2021-11-20 05:47:23,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:23,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:23,943 INFO L186 Difference]: Start difference. First operand has 201 places, 240 transitions, 718 flow. Second operand 3 states and 582 transitions. [2021-11-20 05:47:23,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 261 transitions, 906 flow [2021-11-20 05:47:23,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 261 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 05:47:23,956 INFO L242 Difference]: Finished difference. Result has 203 places, 248 transitions, 768 flow [2021-11-20 05:47:23,957 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=768, PETRI_PLACES=203, PETRI_TRANSITIONS=248} [2021-11-20 05:47:23,961 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 5 predicate places. [2021-11-20 05:47:23,961 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 248 transitions, 768 flow [2021-11-20 05:47:23,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2021-11-20 05:47:23,962 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:23,962 INFO L254 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] [2021-11-20 05:47:23,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:47:23,963 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:23,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:23,964 INFO L85 PathProgramCache]: Analyzing trace with hash -355977572, now seen corresponding path program 1 times [2021-11-20 05:47:23,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:23,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992085264] [2021-11-20 05:47:23,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:23,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:24,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:24,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992085264] [2021-11-20 05:47:24,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992085264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:24,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:24,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:47:24,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239122069] [2021-11-20 05:47:24,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:24,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:47:24,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:24,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:47:24,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:47:24,225 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 225 [2021-11-20 05:47:24,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 248 transitions, 768 flow. Second operand has 6 states, 6 states have (on average 192.83333333333334) internal successors, (1157), 6 states have internal predecessors, (1157), 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) [2021-11-20 05:47:24,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:47:24,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 225 [2021-11-20 05:47:24,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:47:24,836 INFO L129 PetriNetUnfolder]: 537/2939 cut-off events. [2021-11-20 05:47:24,837 INFO L130 PetriNetUnfolder]: For 424/520 co-relation queries the response was YES. [2021-11-20 05:47:24,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4406 conditions, 2939 events. 537/2939 cut-off events. For 424/520 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 24991 event pairs, 44 based on Foata normal form. 61/2325 useless extension candidates. Maximal degree in co-relation 4364. Up to 290 conditions per place. [2021-11-20 05:47:24,890 INFO L132 encePairwiseOnDemand]: 220/225 looper letters, 14 selfloop transitions, 4 changer transitions 0/247 dead transitions. [2021-11-20 05:47:24,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 247 transitions, 802 flow [2021-11-20 05:47:24,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 05:47:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 05:47:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1165 transitions. [2021-11-20 05:47:24,897 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629629629629629 [2021-11-20 05:47:24,898 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1165 transitions. [2021-11-20 05:47:24,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1165 transitions. [2021-11-20 05:47:24,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:47:24,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1165 transitions. [2021-11-20 05:47:24,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 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) [2021-11-20 05:47:24,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 225.0) internal successors, (1575), 7 states have internal predecessors, (1575), 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) [2021-11-20 05:47:24,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 225.0) internal successors, (1575), 7 states have internal predecessors, (1575), 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) [2021-11-20 05:47:24,914 INFO L186 Difference]: Start difference. First operand has 203 places, 248 transitions, 768 flow. Second operand 6 states and 1165 transitions. [2021-11-20 05:47:24,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 247 transitions, 802 flow [2021-11-20 05:47:24,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 247 transitions, 772 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-11-20 05:47:24,931 INFO L242 Difference]: Finished difference. Result has 205 places, 247 transitions, 744 flow [2021-11-20 05:47:24,932 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=744, PETRI_PLACES=205, PETRI_TRANSITIONS=247} [2021-11-20 05:47:24,935 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 7 predicate places. [2021-11-20 05:47:24,936 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 247 transitions, 744 flow [2021-11-20 05:47:24,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.83333333333334) internal successors, (1157), 6 states have internal predecessors, (1157), 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) [2021-11-20 05:47:24,938 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:24,938 INFO L254 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] [2021-11-20 05:47:24,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:47:24,940 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:24,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:24,943 INFO L85 PathProgramCache]: Analyzing trace with hash -383610431, now seen corresponding path program 1 times [2021-11-20 05:47:24,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:24,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527136909] [2021-11-20 05:47:24,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:24,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:47:25,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:25,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527136909] [2021-11-20 05:47:25,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527136909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:25,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:25,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:47:25,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194496859] [2021-11-20 05:47:25,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:25,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:47:25,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:25,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:47:25,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:47:25,012 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 225 [2021-11-20 05:47:25,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 247 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2021-11-20 05:47:25,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 05:47:25,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 225 [2021-11-20 05:47:25,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 05:47:26,244 INFO L129 PetriNetUnfolder]: 1667/7053 cut-off events. [2021-11-20 05:47:26,244 INFO L130 PetriNetUnfolder]: For 2007/2152 co-relation queries the response was YES. [2021-11-20 05:47:26,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11854 conditions, 7053 events. 1667/7053 cut-off events. For 2007/2152 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 69023 event pairs, 171 based on Foata normal form. 14/5509 useless extension candidates. Maximal degree in co-relation 11656. Up to 1267 conditions per place. [2021-11-20 05:47:26,368 INFO L132 encePairwiseOnDemand]: 202/225 looper letters, 59 selfloop transitions, 29 changer transitions 0/285 dead transitions. [2021-11-20 05:47:26,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 285 transitions, 1053 flow [2021-11-20 05:47:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:47:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 05:47:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 596 transitions. [2021-11-20 05:47:26,372 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.882962962962963 [2021-11-20 05:47:26,372 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 596 transitions. [2021-11-20 05:47:26,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 596 transitions. [2021-11-20 05:47:26,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:47:26,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 596 transitions. [2021-11-20 05:47:26,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2021-11-20 05:47:26,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:26,379 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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) [2021-11-20 05:47:26,379 INFO L186 Difference]: Start difference. First operand has 205 places, 247 transitions, 744 flow. Second operand 3 states and 596 transitions. [2021-11-20 05:47:26,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 285 transitions, 1053 flow [2021-11-20 05:47:26,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 285 transitions, 1046 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 05:47:26,394 INFO L242 Difference]: Finished difference. Result has 205 places, 276 transitions, 1033 flow [2021-11-20 05:47:26,395 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1033, PETRI_PLACES=205, PETRI_TRANSITIONS=276} [2021-11-20 05:47:26,396 INFO L334 CegarLoopForPetriNet]: 198 programPoint places, 7 predicate places. [2021-11-20 05:47:26,396 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 276 transitions, 1033 flow [2021-11-20 05:47:26,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2021-11-20 05:47:26,397 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 05:47:26,397 INFO L254 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] [2021-11-20 05:47:26,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 05:47:26,397 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2021-11-20 05:47:26,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:26,398 INFO L85 PathProgramCache]: Analyzing trace with hash 39540719, now seen corresponding path program 1 times [2021-11-20 05:47:26,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:26,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740356823] [2021-11-20 05:47:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:26,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:47:26,414 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:47:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:47:26,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:47:26,454 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:47:26,455 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2021-11-20 05:47:26,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2021-11-20 05:47:26,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2021-11-20 05:47:26,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2021-11-20 05:47:26,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2021-11-20 05:47:26,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2021-11-20 05:47:26,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2021-11-20 05:47:26,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2021-11-20 05:47:26,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2021-11-20 05:47:26,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2021-11-20 05:47:26,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2021-11-20 05:47:26,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2021-11-20 05:47:26,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2021-11-20 05:47:26,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2021-11-20 05:47:26,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2021-11-20 05:47:26,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2021-11-20 05:47:26,462 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2021-11-20 05:47:26,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2021-11-20 05:47:26,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2021-11-20 05:47:26,463 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2021-11-20 05:47:26,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2021-11-20 05:47:26,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2021-11-20 05:47:26,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2021-11-20 05:47:26,464 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2021-11-20 05:47:26,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2021-11-20 05:47:26,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2021-11-20 05:47:26,465 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2021-11-20 05:47:26,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2021-11-20 05:47:26,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2021-11-20 05:47:26,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (26 of 56 remaining) [2021-11-20 05:47:26,466 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (25 of 56 remaining) [2021-11-20 05:47:26,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2021-11-20 05:47:26,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2021-11-20 05:47:26,467 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2021-11-20 05:47:26,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2021-11-20 05:47:26,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2021-11-20 05:47:26,468 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2021-11-20 05:47:26,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2021-11-20 05:47:26,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2021-11-20 05:47:26,469 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2021-11-20 05:47:26,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2021-11-20 05:47:26,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2021-11-20 05:47:26,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2021-11-20 05:47:26,470 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2021-11-20 05:47:26,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2021-11-20 05:47:26,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2021-11-20 05:47:26,471 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2021-11-20 05:47:26,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2021-11-20 05:47:26,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2021-11-20 05:47:26,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2021-11-20 05:47:26,472 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2021-11-20 05:47:26,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2021-11-20 05:47:26,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2021-11-20 05:47:26,473 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2021-11-20 05:47:26,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2021-11-20 05:47:26,474 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2021-11-20 05:47:26,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 05:47:26,479 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:47:26,487 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 05:47:26,488 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:47:26,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:47:26 BasicIcfg [2021-11-20 05:47:26,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:47:26,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:47:26,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:47:26,575 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:47:26,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:47:18" (3/4) ... [2021-11-20 05:47:26,579 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:47:26,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:47:26,582 INFO L158 Benchmark]: Toolchain (without parser) took 9244.64ms. Allocated memory was 98.6MB in the beginning and 520.1MB in the end (delta: 421.5MB). Free memory was 55.8MB in the beginning and 114.7MB in the end (delta: -58.9MB). Peak memory consumption was 361.0MB. Max. memory is 16.1GB. [2021-11-20 05:47:26,583 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:47:26,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.22ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 62.0MB in the end (delta: -6.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-20 05:47:26,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.28ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:47:26,620 INFO L158 Benchmark]: Boogie Preprocessor took 89.42ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 58.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:47:26,620 INFO L158 Benchmark]: RCFGBuilder took 718.42ms. Allocated memory is still 98.6MB. Free memory was 58.1MB in the beginning and 41.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 05:47:26,621 INFO L158 Benchmark]: TraceAbstraction took 7608.09ms. Allocated memory was 98.6MB in the beginning and 520.1MB in the end (delta: 421.5MB). Free memory was 41.3MB in the beginning and 114.7MB in the end (delta: -73.4MB). Peak memory consumption was 350.2MB. Max. memory is 16.1GB. [2021-11-20 05:47:26,621 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 520.1MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:47:26,624 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 98.6MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.22ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 62.0MB in the end (delta: -6.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.28ms. Allocated memory is still 98.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.42ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 58.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.42ms. Allocated memory is still 98.6MB. Free memory was 58.1MB in the beginning and 41.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7608.09ms. Allocated memory was 98.6MB in the beginning and 520.1MB in the end (delta: 421.5MB). Free memory was 41.3MB in the beginning and 114.7MB in the end (delta: -73.4MB). Peak memory consumption was 350.2MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 520.1MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 688]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L685] 0 int x; VAL [flag1=0, flag2=0, x=0] [L719] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, t1={5:0}, t2={3:0}, x=0] [L720] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={5:0}, t2={3:0}, x=0] [L721] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, flag1=0, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={5:0}, t2={3:0}, x=0] [L703] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, flag1=0, flag2=1, x=0] [L687] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, x=0] [L688] 1 flag2 >= 3 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, x=0] [L703] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, x=0] [L688] 1 flag2 >= 3 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, x=0] Now there is a data race on ~flag2~0 between C: flag2 = 1 [703] and C: flag2 >= 3 [688] - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 720]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 354 locations, 56 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: 7.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 186 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1033occurred in iteration=6, InterpolantAutomatonStates: 21, 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, 0.5s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 05:47:26,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8b24919-c11d-4c23-b857-ce290943fca1/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE