./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS --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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 04:06:44,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:06:44,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:06:44,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:06:44,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:06:44,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:06:44,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:06:44,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:06:44,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:06:44,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:06:44,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:06:44,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:06:44,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:06:44,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:06:44,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:06:44,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:06:44,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:06:44,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:06:44,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:06:44,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:06:44,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:06:44,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:06:44,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:06:44,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:06:44,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:06:44,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:06:44,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:06:44,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:06:44,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:06:44,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:06:44,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:06:44,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:06:44,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:06:44,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:06:44,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:06:44,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:06:44,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:06:44,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:06:44,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:06:44,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:06:44,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:06:44,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 04:06:44,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:06:44,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:06:44,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:06:44,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:06:44,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:06:44,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:06:44,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:06:44,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:06:44,869 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:06:44,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:06:44,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 04:06:44,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 04:06:44,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:06:44,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 04:06:44,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:06:44,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:06:44,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:06:44,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:06:44,872 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 04:06:44,872 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 04:06:44,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:06:44,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:06:44,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:06:44,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:06:44,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:06:44,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:06:44,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:06:44,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:06:44,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:06:44,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:06:44,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:06:44,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:06:44,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:06:44,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:06:44,876 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:06:44,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:06:44,877 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2022-11-23 04:06:45,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:06:45,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:06:45,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:06:45,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:06:45,324 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:06:45,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-23 04:06:48,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:06:48,834 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:06:48,839 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-23 04:06:48,858 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/data/c73413c59/8257c7d10a5b4cdf9faa3e9e00a2c1a0/FLAG5e1d15dcc [2022-11-23 04:06:48,880 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/data/c73413c59/8257c7d10a5b4cdf9faa3e9e00a2c1a0 [2022-11-23 04:06:48,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:06:48,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:06:48,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:06:48,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:06:48,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:06:48,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:48" (1/1) ... [2022-11-23 04:06:48,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295a1bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:48, skipping insertion in model container [2022-11-23 04:06:48,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:06:48" (1/1) ... [2022-11-23 04:06:48,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:06:48,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:06:49,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-11-23 04:06:49,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:06:49,358 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:06:49,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-11-23 04:06:49,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:06:49,442 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:06:49,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49 WrapperNode [2022-11-23 04:06:49,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:06:49,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:06:49,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:06:49,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:06:49,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,510 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-11-23 04:06:49,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:06:49,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:06:49,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:06:49,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:06:49,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,537 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:06:49,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:06:49,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:06:49,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:06:49,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (1/1) ... [2022-11-23 04:06:49,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:06:49,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:06:49,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:06:49,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:06:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:06:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:06:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 04:06:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:06:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:06:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 04:06:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 04:06:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:06:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:06:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:06:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:06:49,656 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 04:06:49,929 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:06:49,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:06:50,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:06:50,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:06:50,241 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 04:06:50,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:06:50 BoogieIcfgContainer [2022-11-23 04:06:50,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:06:50,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:06:50,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:06:50,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:06:50,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:06:48" (1/3) ... [2022-11-23 04:06:50,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322f5801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:06:50, skipping insertion in model container [2022-11-23 04:06:50,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:06:49" (2/3) ... [2022-11-23 04:06:50,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322f5801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:06:50, skipping insertion in model container [2022-11-23 04:06:50,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:06:50" (3/3) ... [2022-11-23 04:06:50,253 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-11-23 04:06:50,263 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 04:06:50,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:06:50,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 04:06:50,276 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 04:06:50,392 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 04:06:50,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 89 transitions, 186 flow [2022-11-23 04:06:50,553 INFO L130 PetriNetUnfolder]: 1/88 cut-off events. [2022-11-23 04:06:50,553 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 04:06:50,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 88 events. 1/88 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-11-23 04:06:50,560 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 89 transitions, 186 flow [2022-11-23 04:06:50,567 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 80 transitions, 163 flow [2022-11-23 04:06:50,572 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 04:06:50,594 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 80 transitions, 163 flow [2022-11-23 04:06:50,605 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 80 transitions, 163 flow [2022-11-23 04:06:50,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 80 transitions, 163 flow [2022-11-23 04:06:50,632 INFO L130 PetriNetUnfolder]: 1/80 cut-off events. [2022-11-23 04:06:50,632 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:06:50,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 1/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-11-23 04:06:50,635 INFO L119 LiptonReduction]: Number of co-enabled transitions 1152 [2022-11-23 04:06:54,347 INFO L134 LiptonReduction]: Checked pairs total: 3633 [2022-11-23 04:06:54,348 INFO L136 LiptonReduction]: Total number of compositions: 67 [2022-11-23 04:06:54,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:06:54,385 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31956c36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:06:54,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-23 04:06:54,394 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-11-23 04:06:54,394 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:06:54,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:06:54,396 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-11-23 04:06:54,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 04:06:54,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:06:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 9324733, now seen corresponding path program 1 times [2022-11-23 04:06:54,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:06:54,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336627797] [2022-11-23 04:06:54,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:06:54,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:06:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:06:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:06:54,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:06:54,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336627797] [2022-11-23 04:06:54,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336627797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:06:54,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:06:54,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:06:54,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891536980] [2022-11-23 04:06:54,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:06:54,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 04:06:54,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:06:54,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 04:06:54,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 04:06:54,709 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 156 [2022-11-23 04:06:54,711 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 49 flow. Second operand has 2 states, 2 states have (on average 87.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:54,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:06:54,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 156 [2022-11-23 04:06:54,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:06:54,819 INFO L130 PetriNetUnfolder]: 48/138 cut-off events. [2022-11-23 04:06:54,820 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:06:54,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 138 events. 48/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 473 event pairs, 48 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 246. Up to 113 conditions per place. [2022-11-23 04:06:54,822 INFO L137 encePairwiseOnDemand]: 155/156 looper letters, 16 selfloop transitions, 0 changer transitions 0/22 dead transitions. [2022-11-23 04:06:54,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 79 flow [2022-11-23 04:06:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 04:06:54,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 04:06:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 187 transitions. [2022-11-23 04:06:54,835 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5993589743589743 [2022-11-23 04:06:54,836 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 187 transitions. [2022-11-23 04:06:54,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 187 transitions. [2022-11-23 04:06:54,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:06:54,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 187 transitions. [2022-11-23 04:06:54,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:54,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:54,848 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:54,850 INFO L175 Difference]: Start difference. First operand has 26 places, 23 transitions, 49 flow. Second operand 2 states and 187 transitions. [2022-11-23 04:06:54,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 79 flow [2022-11-23 04:06:54,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 04:06:54,854 INFO L231 Difference]: Finished difference. Result has 26 places, 22 transitions, 46 flow [2022-11-23 04:06:54,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=46, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2022-11-23 04:06:54,860 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 0 predicate places. [2022-11-23 04:06:54,860 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 46 flow [2022-11-23 04:06:54,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 87.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:54,861 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:06:54,861 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 04:06:54,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:06:54,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 04:06:54,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:06:54,862 INFO L85 PathProgramCache]: Analyzing trace with hash 289046188, now seen corresponding path program 1 times [2022-11-23 04:06:54,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:06:54,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603130713] [2022-11-23 04:06:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:06:54,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:06:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:06:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:06:54,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:06:54,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603130713] [2022-11-23 04:06:54,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603130713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:06:54,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:06:54,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:06:54,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770240999] [2022-11-23 04:06:54,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:06:54,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:06:54,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:06:54,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:06:54,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:06:54,979 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 156 [2022-11-23 04:06:54,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:54,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:06:54,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 156 [2022-11-23 04:06:54,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:06:55,116 INFO L130 PetriNetUnfolder]: 85/233 cut-off events. [2022-11-23 04:06:55,116 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:06:55,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 233 events. 85/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1065 event pairs, 12 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 435. Up to 105 conditions per place. [2022-11-23 04:06:55,120 INFO L137 encePairwiseOnDemand]: 151/156 looper letters, 27 selfloop transitions, 4 changer transitions 0/35 dead transitions. [2022-11-23 04:06:55,120 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 35 transitions, 134 flow [2022-11-23 04:06:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:06:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:06:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2022-11-23 04:06:55,128 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5811965811965812 [2022-11-23 04:06:55,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2022-11-23 04:06:55,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2022-11-23 04:06:55,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:06:55,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2022-11-23 04:06:55,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,139 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 46 flow. Second operand 3 states and 272 transitions. [2022-11-23 04:06:55,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 35 transitions, 134 flow [2022-11-23 04:06:55,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 35 transitions, 134 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 04:06:55,141 INFO L231 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2022-11-23 04:06:55,141 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2022-11-23 04:06:55,143 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2022-11-23 04:06:55,143 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 25 transitions, 76 flow [2022-11-23 04:06:55,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,144 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:06:55,144 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 04:06:55,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 04:06:55,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 04:06:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:06:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash 370033729, now seen corresponding path program 1 times [2022-11-23 04:06:55,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:06:55,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221540555] [2022-11-23 04:06:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:06:55,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:06:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:06:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:06:55,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:06:55,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221540555] [2022-11-23 04:06:55,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221540555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:06:55,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:06:55,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:06:55,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882980949] [2022-11-23 04:06:55,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:06:55,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:06:55,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:06:55,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:06:55,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:06:55,224 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 156 [2022-11-23 04:06:55,225 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 25 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,225 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:06:55,225 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 156 [2022-11-23 04:06:55,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:06:55,301 INFO L130 PetriNetUnfolder]: 81/225 cut-off events. [2022-11-23 04:06:55,302 INFO L131 PetriNetUnfolder]: For 55/56 co-relation queries the response was YES. [2022-11-23 04:06:55,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 225 events. 81/225 cut-off events. For 55/56 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1013 event pairs, 56 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 483. Up to 173 conditions per place. [2022-11-23 04:06:55,304 INFO L137 encePairwiseOnDemand]: 152/156 looper letters, 22 selfloop transitions, 4 changer transitions 0/32 dead transitions. [2022-11-23 04:06:55,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 32 transitions, 146 flow [2022-11-23 04:06:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:06:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:06:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2022-11-23 04:06:55,308 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5534188034188035 [2022-11-23 04:06:55,308 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 259 transitions. [2022-11-23 04:06:55,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 259 transitions. [2022-11-23 04:06:55,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:06:55,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 259 transitions. [2022-11-23 04:06:55,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,311 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,312 INFO L175 Difference]: Start difference. First operand has 30 places, 25 transitions, 76 flow. Second operand 3 states and 259 transitions. [2022-11-23 04:06:55,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 32 transitions, 146 flow [2022-11-23 04:06:55,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 32 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 04:06:55,314 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 92 flow [2022-11-23 04:06:55,314 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2022-11-23 04:06:55,315 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2022-11-23 04:06:55,315 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 92 flow [2022-11-23 04:06:55,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,316 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:06:55,316 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:06:55,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:06:55,317 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 04:06:55,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:06:55,317 INFO L85 PathProgramCache]: Analyzing trace with hash -421455606, now seen corresponding path program 1 times [2022-11-23 04:06:55,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:06:55,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612022063] [2022-11-23 04:06:55,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:06:55,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:06:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:06:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:06:55,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:06:55,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612022063] [2022-11-23 04:06:55,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612022063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:06:55,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:06:55,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 04:06:55,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513992381] [2022-11-23 04:06:55,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:06:55,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:06:55,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:06:55,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:06:55,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:06:55,587 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 156 [2022-11-23 04:06:55,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:06:55,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 156 [2022-11-23 04:06:55,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:06:55,669 INFO L130 PetriNetUnfolder]: 35/116 cut-off events. [2022-11-23 04:06:55,669 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-23 04:06:55,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 116 events. 35/116 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 363 event pairs, 12 based on Foata normal form. 12/113 useless extension candidates. Maximal degree in co-relation 263. Up to 65 conditions per place. [2022-11-23 04:06:55,675 INFO L137 encePairwiseOnDemand]: 149/156 looper letters, 17 selfloop transitions, 7 changer transitions 0/26 dead transitions. [2022-11-23 04:06:55,678 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 125 flow [2022-11-23 04:06:55,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:06:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-23 04:06:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 329 transitions. [2022-11-23 04:06:55,681 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5272435897435898 [2022-11-23 04:06:55,681 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 329 transitions. [2022-11-23 04:06:55,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 329 transitions. [2022-11-23 04:06:55,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:06:55,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 329 transitions. [2022-11-23 04:06:55,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 156.0) internal successors, (780), 5 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,686 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 156.0) internal successors, (780), 5 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,686 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 92 flow. Second operand 4 states and 329 transitions. [2022-11-23 04:06:55,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 125 flow [2022-11-23 04:06:55,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 26 transitions, 112 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-11-23 04:06:55,690 INFO L231 Difference]: Finished difference. Result has 29 places, 22 transitions, 70 flow [2022-11-23 04:06:55,690 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=70, PETRI_PLACES=29, PETRI_TRANSITIONS=22} [2022-11-23 04:06:55,691 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2022-11-23 04:06:55,691 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 22 transitions, 70 flow [2022-11-23 04:06:55,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,691 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:06:55,692 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:06:55,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 04:06:55,692 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 04:06:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:06:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash -434154748, now seen corresponding path program 1 times [2022-11-23 04:06:55,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:06:55,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103328214] [2022-11-23 04:06:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:06:55,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:06:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:06:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:06:55,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:06:55,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103328214] [2022-11-23 04:06:55,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103328214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:06:55,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:06:55,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:06:55,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996086580] [2022-11-23 04:06:55,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:06:55,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:06:55,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:06:55,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:06:55,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:06:55,919 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 156 [2022-11-23 04:06:55,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 22 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:06:55,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 156 [2022-11-23 04:06:55,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:06:55,984 INFO L130 PetriNetUnfolder]: 20/84 cut-off events. [2022-11-23 04:06:55,984 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-23 04:06:55,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 84 events. 20/84 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 229 event pairs, 14 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 195. Up to 40 conditions per place. [2022-11-23 04:06:55,985 INFO L137 encePairwiseOnDemand]: 154/156 looper letters, 19 selfloop transitions, 1 changer transitions 5/28 dead transitions. [2022-11-23 04:06:55,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 28 transitions, 136 flow [2022-11-23 04:06:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:06:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:06:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2022-11-23 04:06:55,987 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5705128205128205 [2022-11-23 04:06:55,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 267 transitions. [2022-11-23 04:06:55,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 267 transitions. [2022-11-23 04:06:55,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:06:55,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 267 transitions. [2022-11-23 04:06:55,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,991 INFO L175 Difference]: Start difference. First operand has 29 places, 22 transitions, 70 flow. Second operand 3 states and 267 transitions. [2022-11-23 04:06:55,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 28 transitions, 136 flow [2022-11-23 04:06:55,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 28 transitions, 127 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 04:06:55,993 INFO L231 Difference]: Finished difference. Result has 28 places, 18 transitions, 56 flow [2022-11-23 04:06:55,994 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=28, PETRI_TRANSITIONS=18} [2022-11-23 04:06:55,995 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2022-11-23 04:06:55,995 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 56 flow [2022-11-23 04:06:55,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:55,996 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:06:55,996 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:06:55,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 04:06:55,996 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 04:06:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:06:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash 592670024, now seen corresponding path program 1 times [2022-11-23 04:06:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:06:55,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788467238] [2022-11-23 04:06:55,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:06:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:06:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:06:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:06:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:06:56,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788467238] [2022-11-23 04:06:56,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788467238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:06:56,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:06:56,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:06:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038634645] [2022-11-23 04:06:56,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:06:56,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:06:56,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:06:56,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:06:56,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:06:56,051 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 156 [2022-11-23 04:06:56,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:56,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:06:56,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 156 [2022-11-23 04:06:56,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:06:56,084 INFO L130 PetriNetUnfolder]: 13/54 cut-off events. [2022-11-23 04:06:56,084 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-23 04:06:56,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 54 events. 13/54 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 10 based on Foata normal form. 3/57 useless extension candidates. Maximal degree in co-relation 125. Up to 43 conditions per place. [2022-11-23 04:06:56,085 INFO L137 encePairwiseOnDemand]: 154/156 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2022-11-23 04:06:56,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 18 transitions, 88 flow [2022-11-23 04:06:56,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:06:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:06:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2022-11-23 04:06:56,087 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.532051282051282 [2022-11-23 04:06:56,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 249 transitions. [2022-11-23 04:06:56,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 249 transitions. [2022-11-23 04:06:56,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:06:56,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 249 transitions. [2022-11-23 04:06:56,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:56,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:56,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:56,090 INFO L175 Difference]: Start difference. First operand has 28 places, 18 transitions, 56 flow. Second operand 3 states and 249 transitions. [2022-11-23 04:06:56,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 18 transitions, 88 flow [2022-11-23 04:06:56,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 18 transitions, 87 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 04:06:56,092 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2022-11-23 04:06:56,092 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2022-11-23 04:06:56,093 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -1 predicate places. [2022-11-23 04:06:56,093 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2022-11-23 04:06:56,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:06:56,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-23 04:06:56,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-23 04:06:56,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-23 04:06:56,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-23 04:06:56,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-23 04:06:56,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-23 04:06:56,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-23 04:06:56,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 04:06:56,103 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 04:06:56,111 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 04:06:56,111 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 04:06:56,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:06:56 BasicIcfg [2022-11-23 04:06:56,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 04:06:56,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 04:06:56,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 04:06:56,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 04:06:56,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:06:50" (3/4) ... [2022-11-23 04:06:56,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 04:06:56,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 04:06:56,139 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 04:06:56,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 04:06:56,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 04:06:56,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 04:06:56,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 04:06:56,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 04:06:56,173 INFO L158 Benchmark]: Toolchain (without parser) took 7284.46ms. Allocated memory was 138.4MB in the beginning and 249.6MB in the end (delta: 111.1MB). Free memory was 69.3MB in the beginning and 87.6MB in the end (delta: -18.2MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,174 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:06:56,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.51ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 69.2MB in the beginning and 161.2MB in the end (delta: -92.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.72ms. Allocated memory is still 207.6MB. Free memory was 161.2MB in the beginning and 159.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,175 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 207.6MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,175 INFO L158 Benchmark]: RCFGBuilder took 701.02ms. Allocated memory is still 207.6MB. Free memory was 157.0MB in the beginning and 168.7MB in the end (delta: -11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,176 INFO L158 Benchmark]: TraceAbstraction took 5870.82ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 167.6MB in the beginning and 89.7MB in the end (delta: 77.9MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,176 INFO L158 Benchmark]: Witness Printer took 55.35ms. Allocated memory is still 249.6MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:06:56,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.51ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 69.2MB in the beginning and 161.2MB in the end (delta: -92.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.72ms. Allocated memory is still 207.6MB. Free memory was 161.2MB in the beginning and 159.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 207.6MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.02ms. Allocated memory is still 207.6MB. Free memory was 157.0MB in the beginning and 168.7MB in the end (delta: -11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5870.82ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 167.6MB in the beginning and 89.7MB in the end (delta: 77.9MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. * Witness Printer took 55.35ms. Allocated memory is still 249.6MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 83 PlacesBefore, 26 PlacesAfterwards, 80 TransitionsBefore, 23 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 67 TotalNumberOfCompositions, 3633 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1882, independent: 1643, independent conditional: 0, independent unconditional: 1643, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 869, independent: 812, independent conditional: 0, independent unconditional: 812, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 869, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 273, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1882, independent: 831, independent conditional: 0, independent unconditional: 831, dependent: 182, dependent conditional: 0, dependent unconditional: 182, unknown: 869, unknown conditional: 0, unknown unconditional: 869] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 7 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: 5.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 22 mSDtfsCounter, 296 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 04:06:56,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba09cc-295f-4148-b35d-1382fe1dd9c9/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE