./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:23:24,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:23:24,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:23:24,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:23:24,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:23:24,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:23:24,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:23:24,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:23:24,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:23:24,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:23:24,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:23:24,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:23:24,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:23:24,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:23:24,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:23:24,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:23:24,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:23:24,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:23:24,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:23:24,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:23:24,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:23:24,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:23:24,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:23:24,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:23:24,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:23:24,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:23:24,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:23:24,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:23:24,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:23:24,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:23:24,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:23:24,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:23:24,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:23:24,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:23:24,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:23:24,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:23:24,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:23:24,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:23:24,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:23:24,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:23:24,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:23:24,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:23:24,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:23:24,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:23:24,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:23:24,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:23:24,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:23:24,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:23:24,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:23:24,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:23:24,734 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:23:24,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:23:24,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:23:24,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:23:24,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:23:24,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:23:24,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:23:24,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:23:24,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:23:24,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:23:24,736 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:23:24,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:23:24,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:23:24,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:23:24,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:23:24,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:23:24,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:23:24,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:23:24,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:23:24,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:23:24,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:23:24,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:23:24,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:23:24,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:23:24,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:23:24,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:23:24,739 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:23:24,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:23:24,739 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:23:24,739 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_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f [2022-12-13 15:23:24,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:23:24,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:23:24,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:23:24,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:23:24,927 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:23:24,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2022-12-13 15:23:27,460 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:23:27,615 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:23:27,615 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2022-12-13 15:23:27,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/data/f4fd8c4bc/095334b8c4fe40ea9c77ce170b7f0aa6/FLAG9fc489692 [2022-12-13 15:23:27,635 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/data/f4fd8c4bc/095334b8c4fe40ea9c77ce170b7f0aa6 [2022-12-13 15:23:27,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:23:27,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:23:27,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:23:27,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:23:27,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:23:27,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e09e1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27, skipping insertion in model container [2022-12-13 15:23:27,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:23:27,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:23:27,810 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:23:27,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:23:27,826 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_51df1b70-9212-4caa-be31-6cba20f9042e/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2022-12-13 15:23:27,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:23:27,843 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:23:27,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:23:27,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:23:27,875 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_51df1b70-9212-4caa-be31-6cba20f9042e/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2533,2546] [2022-12-13 15:23:27,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:23:27,893 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:23:27,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27 WrapperNode [2022-12-13 15:23:27,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:23:27,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:23:27,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:23:27,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:23:27,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,946 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 376 [2022-12-13 15:23:27,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:23:27,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:23:27,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:23:27,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:23:27,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:27,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:23:27,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:23:27,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:23:27,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:23:27,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (1/1) ... [2022-12-13 15:23:28,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:23:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:23:28,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:23:28,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:23:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:23:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:23:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:23:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 15:23:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 15:23:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 15:23:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:23:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:23:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:23:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:23:28,052 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:23:28,136 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:23:28,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:23:28,607 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:23:28,822 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:23:28,822 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 15:23:28,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:23:28 BoogieIcfgContainer [2022-12-13 15:23:28,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:23:28,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:23:28,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:23:28,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:23:28,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:23:27" (1/3) ... [2022-12-13 15:23:28,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de57041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:23:28, skipping insertion in model container [2022-12-13 15:23:28,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:23:27" (2/3) ... [2022-12-13 15:23:28,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de57041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:23:28, skipping insertion in model container [2022-12-13 15:23:28,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:23:28" (3/3) ... [2022-12-13 15:23:28,832 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2022-12-13 15:23:28,838 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:23:28,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:23:28,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-12-13 15:23:28,846 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:23:28,932 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 15:23:28,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 381 places, 391 transitions, 806 flow [2022-12-13 15:23:29,048 INFO L130 PetriNetUnfolder]: 20/388 cut-off events. [2022-12-13 15:23:29,049 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:23:29,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 388 events. 20/388 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 805 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 290. Up to 2 conditions per place. [2022-12-13 15:23:29,055 INFO L82 GeneralOperation]: Start removeDead. Operand has 381 places, 391 transitions, 806 flow [2022-12-13 15:23:29,061 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 356 places, 364 transitions, 746 flow [2022-12-13 15:23:29,064 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:23:29,071 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 356 places, 364 transitions, 746 flow [2022-12-13 15:23:29,073 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 356 places, 364 transitions, 746 flow [2022-12-13 15:23:29,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 356 places, 364 transitions, 746 flow [2022-12-13 15:23:29,122 INFO L130 PetriNetUnfolder]: 18/364 cut-off events. [2022-12-13 15:23:29,122 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:23:29,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 364 events. 18/364 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 794 event pairs, 0 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 290. Up to 2 conditions per place. [2022-12-13 15:23:29,133 INFO L119 LiptonReduction]: Number of co-enabled transitions 29070 [2022-12-13 15:23:43,589 INFO L134 LiptonReduction]: Checked pairs total: 127832 [2022-12-13 15:23:43,589 INFO L136 LiptonReduction]: Total number of compositions: 356 [2022-12-13 15:23:43,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:23:43,604 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;@364c18fd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:23:43,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2022-12-13 15:23:43,605 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 15:23:43,605 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:23:43,606 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:43,606 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 15:23:43,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:43,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1687, now seen corresponding path program 1 times [2022-12-13 15:23:43,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:43,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2698027] [2022-12-13 15:23:43,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:43,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:43,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:43,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2698027] [2022-12-13 15:23:43,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2698027] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:43,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:43,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 15:23:43,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870146015] [2022-12-13 15:23:43,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:43,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:23:43,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:43,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:23:43,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:23:43,722 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 747 [2022-12-13 15:23:43,724 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 127 transitions, 272 flow. Second operand has 2 states, 2 states have (on average 360.5) internal successors, (721), 2 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:43,724 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:43,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 747 [2022-12-13 15:23:43,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:44,179 INFO L130 PetriNetUnfolder]: 1597/4237 cut-off events. [2022-12-13 15:23:44,179 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2022-12-13 15:23:44,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6594 conditions, 4237 events. 1597/4237 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 36492 event pairs, 1046 based on Foata normal form. 505/3965 useless extension candidates. Maximal degree in co-relation 6024. Up to 2179 conditions per place. [2022-12-13 15:23:44,204 INFO L137 encePairwiseOnDemand]: 711/747 looper letters, 32 selfloop transitions, 0 changer transitions 1/91 dead transitions. [2022-12-13 15:23:44,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 91 transitions, 266 flow [2022-12-13 15:23:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:23:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 15:23:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 789 transitions. [2022-12-13 15:23:44,216 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5281124497991968 [2022-12-13 15:23:44,217 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 789 transitions. [2022-12-13 15:23:44,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 789 transitions. [2022-12-13 15:23:44,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:44,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 789 transitions. [2022-12-13 15:23:44,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 394.5) internal successors, (789), 2 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 747.0) internal successors, (2241), 3 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,242 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 747.0) internal successors, (2241), 3 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,243 INFO L175 Difference]: Start difference. First operand has 127 places, 127 transitions, 272 flow. Second operand 2 states and 789 transitions. [2022-12-13 15:23:44,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 91 transitions, 266 flow [2022-12-13 15:23:44,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 91 transitions, 254 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 15:23:44,251 INFO L231 Difference]: Finished difference. Result has 90 places, 90 transitions, 185 flow [2022-12-13 15:23:44,253 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=185, PETRI_PLACES=90, PETRI_TRANSITIONS=90} [2022-12-13 15:23:44,256 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -37 predicate places. [2022-12-13 15:23:44,256 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 90 transitions, 185 flow [2022-12-13 15:23:44,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 360.5) internal successors, (721), 2 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,257 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:44,257 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 15:23:44,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:23:44,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1562252735, now seen corresponding path program 1 times [2022-12-13 15:23:44,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:44,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962333305] [2022-12-13 15:23:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:44,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:44,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962333305] [2022-12-13 15:23:44,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962333305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:44,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:44,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:23:44,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981802299] [2022-12-13 15:23:44,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:44,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:23:44,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:44,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:23:44,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:23:44,353 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 747 [2022-12-13 15:23:44,354 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 90 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,354 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:44,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 747 [2022-12-13 15:23:44,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:44,826 INFO L130 PetriNetUnfolder]: 2604/6145 cut-off events. [2022-12-13 15:23:44,826 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-13 15:23:44,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 6145 events. 2604/6145 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 52183 event pairs, 1893 based on Foata normal form. 0/4946 useless extension candidates. Maximal degree in co-relation 9802. Up to 3575 conditions per place. [2022-12-13 15:23:44,857 INFO L137 encePairwiseOnDemand]: 744/747 looper letters, 34 selfloop transitions, 1 changer transitions 0/88 dead transitions. [2022-12-13 15:23:44,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 88 transitions, 251 flow [2022-12-13 15:23:44,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:23:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:23:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1078 transitions. [2022-12-13 15:23:44,860 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4810352521195895 [2022-12-13 15:23:44,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1078 transitions. [2022-12-13 15:23:44,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1078 transitions. [2022-12-13 15:23:44,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:44,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1078 transitions. [2022-12-13 15:23:44,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 359.3333333333333) internal successors, (1078), 3 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,869 INFO L175 Difference]: Start difference. First operand has 90 places, 90 transitions, 185 flow. Second operand 3 states and 1078 transitions. [2022-12-13 15:23:44,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 88 transitions, 251 flow [2022-12-13 15:23:44,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 88 transitions, 251 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:23:44,871 INFO L231 Difference]: Finished difference. Result has 89 places, 88 transitions, 183 flow [2022-12-13 15:23:44,871 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=89, PETRI_TRANSITIONS=88} [2022-12-13 15:23:44,872 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -38 predicate places. [2022-12-13 15:23:44,872 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 88 transitions, 183 flow [2022-12-13 15:23:44,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,873 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:44,873 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:44,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:23:44,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:44,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1973909978, now seen corresponding path program 1 times [2022-12-13 15:23:44,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:44,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575772688] [2022-12-13 15:23:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:44,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:44,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:44,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575772688] [2022-12-13 15:23:44,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575772688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:44,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:44,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:23:44,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144605376] [2022-12-13 15:23:44,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:44,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:23:44,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:44,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:23:44,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:23:44,944 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 747 [2022-12-13 15:23:44,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 88 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:44,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:44,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 747 [2022-12-13 15:23:44,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:45,408 INFO L130 PetriNetUnfolder]: 2162/5066 cut-off events. [2022-12-13 15:23:45,408 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-12-13 15:23:45,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8128 conditions, 5066 events. 2162/5066 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 41486 event pairs, 1546 based on Foata normal form. 0/4170 useless extension candidates. Maximal degree in co-relation 8124. Up to 2974 conditions per place. [2022-12-13 15:23:45,434 INFO L137 encePairwiseOnDemand]: 744/747 looper letters, 33 selfloop transitions, 1 changer transitions 0/86 dead transitions. [2022-12-13 15:23:45,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 86 transitions, 247 flow [2022-12-13 15:23:45,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:23:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:23:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1077 transitions. [2022-12-13 15:23:45,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48058902275769744 [2022-12-13 15:23:45,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1077 transitions. [2022-12-13 15:23:45,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1077 transitions. [2022-12-13 15:23:45,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:45,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1077 transitions. [2022-12-13 15:23:45,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 359.0) internal successors, (1077), 3 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:45,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:45,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:45,453 INFO L175 Difference]: Start difference. First operand has 89 places, 88 transitions, 183 flow. Second operand 3 states and 1077 transitions. [2022-12-13 15:23:45,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 86 transitions, 247 flow [2022-12-13 15:23:45,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 86 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:23:45,454 INFO L231 Difference]: Finished difference. Result has 88 places, 86 transitions, 180 flow [2022-12-13 15:23:45,454 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=88, PETRI_TRANSITIONS=86} [2022-12-13 15:23:45,455 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -39 predicate places. [2022-12-13 15:23:45,455 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 86 transitions, 180 flow [2022-12-13 15:23:45,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:45,455 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:45,455 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:45,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:23:45,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:45,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:45,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1913977928, now seen corresponding path program 1 times [2022-12-13 15:23:45,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:45,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589892797] [2022-12-13 15:23:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:45,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:45,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589892797] [2022-12-13 15:23:45,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589892797] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:45,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:45,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:23:45,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933835858] [2022-12-13 15:23:45,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:45,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:23:45,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:45,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:23:45,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:23:45,510 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 747 [2022-12-13 15:23:45,511 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 86 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:45,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:45,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 747 [2022-12-13 15:23:45,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:45,976 INFO L130 PetriNetUnfolder]: 2582/5346 cut-off events. [2022-12-13 15:23:45,976 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-12-13 15:23:45,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9039 conditions, 5346 events. 2582/5346 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 40981 event pairs, 474 based on Foata normal form. 0/4632 useless extension candidates. Maximal degree in co-relation 9035. Up to 3323 conditions per place. [2022-12-13 15:23:45,999 INFO L137 encePairwiseOnDemand]: 740/747 looper letters, 51 selfloop transitions, 3 changer transitions 0/100 dead transitions. [2022-12-13 15:23:45,999 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 320 flow [2022-12-13 15:23:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:23:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:23:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1099 transitions. [2022-12-13 15:23:46,002 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49040606871932174 [2022-12-13 15:23:46,002 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1099 transitions. [2022-12-13 15:23:46,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1099 transitions. [2022-12-13 15:23:46,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:46,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1099 transitions. [2022-12-13 15:23:46,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,009 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,009 INFO L175 Difference]: Start difference. First operand has 88 places, 86 transitions, 180 flow. Second operand 3 states and 1099 transitions. [2022-12-13 15:23:46,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 320 flow [2022-12-13 15:23:46,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 100 transitions, 319 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:23:46,011 INFO L231 Difference]: Finished difference. Result has 86 places, 85 transitions, 192 flow [2022-12-13 15:23:46,011 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=86, PETRI_TRANSITIONS=85} [2022-12-13 15:23:46,011 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -41 predicate places. [2022-12-13 15:23:46,012 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 85 transitions, 192 flow [2022-12-13 15:23:46,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,012 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:46,012 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:46,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:23:46,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:46,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:46,013 INFO L85 PathProgramCache]: Analyzing trace with hash -966782089, now seen corresponding path program 1 times [2022-12-13 15:23:46,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:46,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006898926] [2022-12-13 15:23:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:46,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:46,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006898926] [2022-12-13 15:23:46,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006898926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:46,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:46,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:23:46,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155385249] [2022-12-13 15:23:46,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:46,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:23:46,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:46,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:23:46,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:23:46,189 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 747 [2022-12-13 15:23:46,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 85 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:46,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 747 [2022-12-13 15:23:46,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:46,592 INFO L130 PetriNetUnfolder]: 1806/4390 cut-off events. [2022-12-13 15:23:46,592 INFO L131 PetriNetUnfolder]: For 356/416 co-relation queries the response was YES. [2022-12-13 15:23:46,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7412 conditions, 4390 events. 1806/4390 cut-off events. For 356/416 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 36496 event pairs, 1151 based on Foata normal form. 0/3710 useless extension candidates. Maximal degree in co-relation 7408. Up to 2487 conditions per place. [2022-12-13 15:23:46,608 INFO L137 encePairwiseOnDemand]: 744/747 looper letters, 34 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2022-12-13 15:23:46,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 86 transitions, 266 flow [2022-12-13 15:23:46,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:23:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:23:46,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1099 transitions. [2022-12-13 15:23:46,610 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49040606871932174 [2022-12-13 15:23:46,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1099 transitions. [2022-12-13 15:23:46,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1099 transitions. [2022-12-13 15:23:46,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:46,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1099 transitions. [2022-12-13 15:23:46,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,616 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 747.0) internal successors, (2988), 4 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,616 INFO L175 Difference]: Start difference. First operand has 86 places, 85 transitions, 192 flow. Second operand 3 states and 1099 transitions. [2022-12-13 15:23:46,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 86 transitions, 266 flow [2022-12-13 15:23:46,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 86 transitions, 266 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:23:46,618 INFO L231 Difference]: Finished difference. Result has 89 places, 86 transitions, 204 flow [2022-12-13 15:23:46,618 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2022-12-13 15:23:46,618 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -38 predicate places. [2022-12-13 15:23:46,618 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 204 flow [2022-12-13 15:23:46,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:46,619 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:46,619 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:46,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:23:46,619 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:46,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:46,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1957808277, now seen corresponding path program 1 times [2022-12-13 15:23:46,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:46,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7574108] [2022-12-13 15:23:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:46,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:23:46,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:46,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7574108] [2022-12-13 15:23:46,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7574108] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:46,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:46,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:23:46,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468229247] [2022-12-13 15:23:46,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:46,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:23:46,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:46,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:23:46,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:23:47,155 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 747 [2022-12-13 15:23:47,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 349.1666666666667) internal successors, (2095), 6 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:47,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:47,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 747 [2022-12-13 15:23:47,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:47,934 INFO L130 PetriNetUnfolder]: 4798/7633 cut-off events. [2022-12-13 15:23:47,934 INFO L131 PetriNetUnfolder]: For 879/899 co-relation queries the response was YES. [2022-12-13 15:23:47,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15190 conditions, 7633 events. 4798/7633 cut-off events. For 879/899 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 51275 event pairs, 542 based on Foata normal form. 0/6245 useless extension candidates. Maximal degree in co-relation 15184. Up to 2166 conditions per place. [2022-12-13 15:23:47,969 INFO L137 encePairwiseOnDemand]: 742/747 looper letters, 124 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2022-12-13 15:23:47,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 173 transitions, 694 flow [2022-12-13 15:23:47,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:23:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:23:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2195 transitions. [2022-12-13 15:23:47,975 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4897367246764837 [2022-12-13 15:23:47,975 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2195 transitions. [2022-12-13 15:23:47,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2195 transitions. [2022-12-13 15:23:47,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:47,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2195 transitions. [2022-12-13 15:23:47,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 365.8333333333333) internal successors, (2195), 6 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:47,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:47,990 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:47,990 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 204 flow. Second operand 6 states and 2195 transitions. [2022-12-13 15:23:47,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 173 transitions, 694 flow [2022-12-13 15:23:47,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 173 transitions, 690 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 15:23:47,994 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 206 flow [2022-12-13 15:23:47,994 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=206, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2022-12-13 15:23:47,995 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -35 predicate places. [2022-12-13 15:23:47,995 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 206 flow [2022-12-13 15:23:47,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.1666666666667) internal successors, (2095), 6 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:47,996 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:47,996 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:47,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:23:47,996 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1377225600, now seen corresponding path program 1 times [2022-12-13 15:23:47,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:47,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351234009] [2022-12-13 15:23:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:47,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:23:48,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:48,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351234009] [2022-12-13 15:23:48,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351234009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:48,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:48,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:23:48,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380767934] [2022-12-13 15:23:48,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:48,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:23:48,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:48,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:23:48,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:23:48,543 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 747 [2022-12-13 15:23:48,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:48,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:48,545 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 747 [2022-12-13 15:23:48,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:49,394 INFO L130 PetriNetUnfolder]: 3165/5753 cut-off events. [2022-12-13 15:23:49,394 INFO L131 PetriNetUnfolder]: For 965/1028 co-relation queries the response was YES. [2022-12-13 15:23:49,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11624 conditions, 5753 events. 3165/5753 cut-off events. For 965/1028 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 41584 event pairs, 806 based on Foata normal form. 0/5031 useless extension candidates. Maximal degree in co-relation 11618. Up to 1954 conditions per place. [2022-12-13 15:23:49,415 INFO L137 encePairwiseOnDemand]: 740/747 looper letters, 104 selfloop transitions, 5 changer transitions 0/147 dead transitions. [2022-12-13 15:23:49,415 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 147 transitions, 580 flow [2022-12-13 15:23:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:23:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:23:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2147 transitions. [2022-12-13 15:23:49,419 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4790272199910754 [2022-12-13 15:23:49,419 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2147 transitions. [2022-12-13 15:23:49,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2147 transitions. [2022-12-13 15:23:49,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:49,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2147 transitions. [2022-12-13 15:23:49,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 357.8333333333333) internal successors, (2147), 6 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:49,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:49,426 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:49,426 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 206 flow. Second operand 6 states and 2147 transitions. [2022-12-13 15:23:49,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 147 transitions, 580 flow [2022-12-13 15:23:49,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 147 transitions, 565 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:23:49,431 INFO L231 Difference]: Finished difference. Result has 91 places, 83 transitions, 205 flow [2022-12-13 15:23:49,431 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=205, PETRI_PLACES=91, PETRI_TRANSITIONS=83} [2022-12-13 15:23:49,431 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -36 predicate places. [2022-12-13 15:23:49,431 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 205 flow [2022-12-13 15:23:49,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 342.0) internal successors, (2052), 6 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:49,432 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:49,432 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:49,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:23:49,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:49,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1873440984, now seen corresponding path program 1 times [2022-12-13 15:23:49,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:49,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266338086] [2022-12-13 15:23:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:49,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:49,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:49,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266338086] [2022-12-13 15:23:49,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266338086] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:23:49,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005311085] [2022-12-13 15:23:49,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:49,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:23:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:23:49,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:23:49,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:23:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:49,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 15:23:49,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:23:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:49,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:23:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:49,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005311085] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:23:49,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:23:49,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-12-13 15:23:49,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680080810] [2022-12-13 15:23:49,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:23:49,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:23:49,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:49,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:23:49,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:23:50,053 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 747 [2022-12-13 15:23:50,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 205 flow. Second operand has 12 states, 12 states have (on average 347.5833333333333) internal successors, (4171), 12 states have internal predecessors, (4171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:50,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:50,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 747 [2022-12-13 15:23:50,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:50,725 INFO L130 PetriNetUnfolder]: 2456/5536 cut-off events. [2022-12-13 15:23:50,725 INFO L131 PetriNetUnfolder]: For 563/655 co-relation queries the response was YES. [2022-12-13 15:23:50,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10066 conditions, 5536 events. 2456/5536 cut-off events. For 563/655 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 45722 event pairs, 1124 based on Foata normal form. 13/4824 useless extension candidates. Maximal degree in co-relation 10060. Up to 2147 conditions per place. [2022-12-13 15:23:50,744 INFO L137 encePairwiseOnDemand]: 741/747 looper letters, 94 selfloop transitions, 6 changer transitions 0/146 dead transitions. [2022-12-13 15:23:50,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 146 transitions, 581 flow [2022-12-13 15:23:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:23:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 15:23:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2514 transitions. [2022-12-13 15:23:50,748 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48078026391279405 [2022-12-13 15:23:50,748 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2514 transitions. [2022-12-13 15:23:50,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2514 transitions. [2022-12-13 15:23:50,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:50,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2514 transitions. [2022-12-13 15:23:50,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 359.14285714285717) internal successors, (2514), 7 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:50,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 747.0) internal successors, (5976), 8 states have internal predecessors, (5976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:50,760 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 747.0) internal successors, (5976), 8 states have internal predecessors, (5976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:50,760 INFO L175 Difference]: Start difference. First operand has 91 places, 83 transitions, 205 flow. Second operand 7 states and 2514 transitions. [2022-12-13 15:23:50,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 146 transitions, 581 flow [2022-12-13 15:23:50,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 146 transitions, 565 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:23:50,764 INFO L231 Difference]: Finished difference. Result has 96 places, 87 transitions, 239 flow [2022-12-13 15:23:50,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=239, PETRI_PLACES=96, PETRI_TRANSITIONS=87} [2022-12-13 15:23:50,764 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -31 predicate places. [2022-12-13 15:23:50,765 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 87 transitions, 239 flow [2022-12-13 15:23:50,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 347.5833333333333) internal successors, (4171), 12 states have internal predecessors, (4171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:50,766 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:50,766 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:50,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:23:50,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:23:50,967 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:50,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash 170116020, now seen corresponding path program 2 times [2022-12-13 15:23:50,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:50,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547835961] [2022-12-13 15:23:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:23:51,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:51,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547835961] [2022-12-13 15:23:51,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547835961] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:51,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:51,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:23:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687585219] [2022-12-13 15:23:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:51,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:23:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:23:51,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:23:51,507 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 747 [2022-12-13 15:23:51,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 87 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 342.3333333333333) internal successors, (2054), 6 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:51,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:51,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 747 [2022-12-13 15:23:51,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:52,324 INFO L130 PetriNetUnfolder]: 3896/7429 cut-off events. [2022-12-13 15:23:52,324 INFO L131 PetriNetUnfolder]: For 1417/1505 co-relation queries the response was YES. [2022-12-13 15:23:52,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14838 conditions, 7429 events. 3896/7429 cut-off events. For 1417/1505 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 57644 event pairs, 1317 based on Foata normal form. 0/6595 useless extension candidates. Maximal degree in co-relation 14829. Up to 2670 conditions per place. [2022-12-13 15:23:52,354 INFO L137 encePairwiseOnDemand]: 740/747 looper letters, 108 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2022-12-13 15:23:52,354 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 149 transitions, 613 flow [2022-12-13 15:23:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:23:52,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:23:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2147 transitions. [2022-12-13 15:23:52,359 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4790272199910754 [2022-12-13 15:23:52,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2147 transitions. [2022-12-13 15:23:52,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2147 transitions. [2022-12-13 15:23:52,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:52,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2147 transitions. [2022-12-13 15:23:52,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 357.8333333333333) internal successors, (2147), 6 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:52,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:52,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:52,383 INFO L175 Difference]: Start difference. First operand has 96 places, 87 transitions, 239 flow. Second operand 6 states and 2147 transitions. [2022-12-13 15:23:52,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 149 transitions, 613 flow [2022-12-13 15:23:52,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 149 transitions, 605 flow, removed 3 selfloop flow, removed 1 redundant places. [2022-12-13 15:23:52,385 INFO L231 Difference]: Finished difference. Result has 98 places, 85 transitions, 237 flow [2022-12-13 15:23:52,385 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=98, PETRI_TRANSITIONS=85} [2022-12-13 15:23:52,386 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -29 predicate places. [2022-12-13 15:23:52,386 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 85 transitions, 237 flow [2022-12-13 15:23:52,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 342.3333333333333) internal successors, (2054), 6 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:52,386 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:52,386 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:52,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:23:52,386 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:52,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash 232738699, now seen corresponding path program 1 times [2022-12-13 15:23:52,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:52,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461211728] [2022-12-13 15:23:52,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:52,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:52,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461211728] [2022-12-13 15:23:52,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461211728] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:23:52,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64431364] [2022-12-13 15:23:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:52,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:23:52,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:23:52,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:23:52,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:23:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:52,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 15:23:52,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:23:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:52,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:23:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:23:52,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64431364] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 15:23:52,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 15:23:52,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-12-13 15:23:52,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544324217] [2022-12-13 15:23:52,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:52,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:23:52,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:52,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:23:52,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:23:52,710 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 747 [2022-12-13 15:23:52,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 85 transitions, 237 flow. Second operand has 5 states, 5 states have (on average 350.6) internal successors, (1753), 5 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:52,712 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:52,712 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 747 [2022-12-13 15:23:52,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:53,175 INFO L130 PetriNetUnfolder]: 2248/4963 cut-off events. [2022-12-13 15:23:53,175 INFO L131 PetriNetUnfolder]: For 875/994 co-relation queries the response was YES. [2022-12-13 15:23:53,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9752 conditions, 4963 events. 2248/4963 cut-off events. For 875/994 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 38018 event pairs, 885 based on Foata normal form. 85/4603 useless extension candidates. Maximal degree in co-relation 9742. Up to 2134 conditions per place. [2022-12-13 15:23:53,199 INFO L137 encePairwiseOnDemand]: 741/747 looper letters, 55 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2022-12-13 15:23:53,199 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 418 flow [2022-12-13 15:23:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:23:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 15:23:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1792 transitions. [2022-12-13 15:23:53,201 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4797858099062918 [2022-12-13 15:23:53,201 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1792 transitions. [2022-12-13 15:23:53,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1792 transitions. [2022-12-13 15:23:53,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:53,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1792 transitions. [2022-12-13 15:23:53,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 358.4) internal successors, (1792), 5 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:53,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 747.0) internal successors, (4482), 6 states have internal predecessors, (4482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:53,207 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 747.0) internal successors, (4482), 6 states have internal predecessors, (4482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:53,207 INFO L175 Difference]: Start difference. First operand has 98 places, 85 transitions, 237 flow. Second operand 5 states and 1792 transitions. [2022-12-13 15:23:53,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 418 flow [2022-12-13 15:23:53,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 105 transitions, 406 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 15:23:53,211 INFO L231 Difference]: Finished difference. Result has 99 places, 86 transitions, 250 flow [2022-12-13 15:23:53,211 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=250, PETRI_PLACES=99, PETRI_TRANSITIONS=86} [2022-12-13 15:23:53,211 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -28 predicate places. [2022-12-13 15:23:53,211 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 86 transitions, 250 flow [2022-12-13 15:23:53,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 350.6) internal successors, (1753), 5 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:53,212 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:53,212 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:53,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:23:53,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:23:53,413 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:53,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:53,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1410074314, now seen corresponding path program 1 times [2022-12-13 15:23:53,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:53,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469937308] [2022-12-13 15:23:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:53,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:23:53,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:53,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469937308] [2022-12-13 15:23:53,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469937308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:53,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:53,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:23:53,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531595258] [2022-12-13 15:23:53,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:53,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:23:53,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:53,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:23:53,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:23:53,976 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 747 [2022-12-13 15:23:53,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 86 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 350.5) internal successors, (2103), 6 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:53,977 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:53,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 747 [2022-12-13 15:23:53,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:54,580 INFO L130 PetriNetUnfolder]: 2244/4827 cut-off events. [2022-12-13 15:23:54,580 INFO L131 PetriNetUnfolder]: For 1463/1883 co-relation queries the response was YES. [2022-12-13 15:23:54,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9940 conditions, 4827 events. 2244/4827 cut-off events. For 1463/1883 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 37340 event pairs, 1287 based on Foata normal form. 305/4748 useless extension candidates. Maximal degree in co-relation 9928. Up to 2697 conditions per place. [2022-12-13 15:23:54,599 INFO L137 encePairwiseOnDemand]: 742/747 looper letters, 88 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2022-12-13 15:23:54,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 133 transitions, 572 flow [2022-12-13 15:23:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:23:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:23:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2163 transitions. [2022-12-13 15:23:54,602 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4825970548862115 [2022-12-13 15:23:54,602 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2163 transitions. [2022-12-13 15:23:54,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2163 transitions. [2022-12-13 15:23:54,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:54,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2163 transitions. [2022-12-13 15:23:54,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 360.5) internal successors, (2163), 6 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:54,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:54,608 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:54,608 INFO L175 Difference]: Start difference. First operand has 99 places, 86 transitions, 250 flow. Second operand 6 states and 2163 transitions. [2022-12-13 15:23:54,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 133 transitions, 572 flow [2022-12-13 15:23:54,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 133 transitions, 566 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 15:23:54,613 INFO L231 Difference]: Finished difference. Result has 100 places, 85 transitions, 250 flow [2022-12-13 15:23:54,614 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=100, PETRI_TRANSITIONS=85} [2022-12-13 15:23:54,614 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -27 predicate places. [2022-12-13 15:23:54,614 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 85 transitions, 250 flow [2022-12-13 15:23:54,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.5) internal successors, (2103), 6 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:54,615 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:23:54,615 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:54,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:23:54,615 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-12-13 15:23:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:23:54,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1399787526, now seen corresponding path program 1 times [2022-12-13 15:23:54,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:23:54,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115503505] [2022-12-13 15:23:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:23:54,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:23:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:23:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 15:23:54,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:23:54,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115503505] [2022-12-13 15:23:54,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115503505] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:23:54,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:23:54,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:23:54,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370361383] [2022-12-13 15:23:54,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:23:54,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:23:54,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:23:54,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:23:54,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:23:55,157 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 747 [2022-12-13 15:23:55,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 85 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 351.0) internal successors, (2106), 6 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:55,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:23:55,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 747 [2022-12-13 15:23:55,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:23:55,727 INFO L130 PetriNetUnfolder]: 2016/4593 cut-off events. [2022-12-13 15:23:55,727 INFO L131 PetriNetUnfolder]: For 1265/1673 co-relation queries the response was YES. [2022-12-13 15:23:55,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9287 conditions, 4593 events. 2016/4593 cut-off events. For 1265/1673 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 36286 event pairs, 1335 based on Foata normal form. 293/4517 useless extension candidates. Maximal degree in co-relation 9275. Up to 2802 conditions per place. [2022-12-13 15:23:55,737 INFO L137 encePairwiseOnDemand]: 742/747 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2022-12-13 15:23:55,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 96 transitions, 392 flow [2022-12-13 15:23:55,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:23:55,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:23:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2131 transitions. [2022-12-13 15:23:55,740 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4754573850959393 [2022-12-13 15:23:55,740 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2131 transitions. [2022-12-13 15:23:55,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2131 transitions. [2022-12-13 15:23:55,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:23:55,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2131 transitions. [2022-12-13 15:23:55,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 355.1666666666667) internal successors, (2131), 6 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:55,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:55,745 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 747.0) internal successors, (5229), 7 states have internal predecessors, (5229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:55,745 INFO L175 Difference]: Start difference. First operand has 100 places, 85 transitions, 250 flow. Second operand 6 states and 2131 transitions. [2022-12-13 15:23:55,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 96 transitions, 392 flow [2022-12-13 15:23:55,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 96 transitions, 385 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:23:55,750 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2022-12-13 15:23:55,750 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=747, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2022-12-13 15:23:55,750 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -27 predicate places. [2022-12-13 15:23:55,750 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2022-12-13 15:23:55,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.0) internal successors, (2106), 6 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:23:55,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2022-12-13 15:23:55,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2022-12-13 15:23:55,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2022-12-13 15:23:55,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2022-12-13 15:23:55,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2022-12-13 15:23:55,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2022-12-13 15:23:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2022-12-13 15:23:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2022-12-13 15:23:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2022-12-13 15:23:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2022-12-13 15:23:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2022-12-13 15:23:55,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2022-12-13 15:23:55,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:23:55,758 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:23:55,762 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:23:55,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:23:55,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:23:55 BasicIcfg [2022-12-13 15:23:55,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:23:55,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:23:55,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:23:55,765 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:23:55,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:23:28" (3/4) ... [2022-12-13 15:23:55,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:23:55,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 15:23:55,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 15:23:55,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 15:23:55,774 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 15:23:55,775 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:23:55,775 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:23:55,775 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:23:55,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:23:55,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:23:55,805 INFO L158 Benchmark]: Toolchain (without parser) took 28166.31ms. Allocated memory was 125.8MB in the beginning and 994.1MB in the end (delta: 868.2MB). Free memory was 90.2MB in the beginning and 477.3MB in the end (delta: -387.1MB). Peak memory consumption was 482.9MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,806 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:23:55,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.29ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 76.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.39ms. Allocated memory is still 125.8MB. Free memory was 76.9MB in the beginning and 73.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,806 INFO L158 Benchmark]: Boogie Preprocessor took 45.44ms. Allocated memory is still 125.8MB. Free memory was 73.4MB in the beginning and 70.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,806 INFO L158 Benchmark]: RCFGBuilder took 831.74ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 70.2MB in the beginning and 72.8MB in the end (delta: -2.6MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,806 INFO L158 Benchmark]: TraceAbstraction took 26937.42ms. Allocated memory was 155.2MB in the beginning and 994.1MB in the end (delta: 838.9MB). Free memory was 72.8MB in the beginning and 481.5MB in the end (delta: -408.7MB). Peak memory consumption was 430.8MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,807 INFO L158 Benchmark]: Witness Printer took 40.17ms. Allocated memory is still 994.1MB. Free memory was 481.5MB in the beginning and 477.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:23:55,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.29ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 76.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.39ms. Allocated memory is still 125.8MB. Free memory was 76.9MB in the beginning and 73.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.44ms. Allocated memory is still 125.8MB. Free memory was 73.4MB in the beginning and 70.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 831.74ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 70.2MB in the beginning and 72.8MB in the end (delta: -2.6MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * TraceAbstraction took 26937.42ms. Allocated memory was 155.2MB in the beginning and 994.1MB in the end (delta: 838.9MB). Free memory was 72.8MB in the beginning and 481.5MB in the end (delta: -408.7MB). Peak memory consumption was 430.8MB. Max. memory is 16.1GB. * Witness Printer took 40.17ms. Allocated memory is still 994.1MB. Free memory was 481.5MB in the beginning and 477.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.5s, 356 PlacesBefore, 127 PlacesAfterwards, 364 TransitionsBefore, 127 TransitionsAfterwards, 29070 CoEnabledTransitionPairs, 8 FixpointIterations, 153 TrivialSequentialCompositions, 146 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 28 ConcurrentYvCompositions, 8 ChoiceCompositions, 356 TotalNumberOfCompositions, 127832 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39283, independent: 37908, independent conditional: 0, independent unconditional: 37908, dependent: 1375, dependent conditional: 0, dependent unconditional: 1375, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15371, independent: 15125, independent conditional: 0, independent unconditional: 15125, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39283, independent: 22783, independent conditional: 0, independent unconditional: 22783, dependent: 1129, dependent conditional: 0, dependent unconditional: 1129, unknown: 15371, unknown conditional: 0, unknown unconditional: 15371] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1319, Positive conditional cache size: 0, Positive unconditional cache size: 1319, Negative cache size: 133, Negative conditional cache size: 0, Negative unconditional cache size: 133, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 549 locations, 79 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: 26.8s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2128 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1428 mSDsluCounter, 371 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 303 mSDsCounter, 658 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4143 IncrementalHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 658 mSolverCounterUnsat, 68 mSDtfsCounter, 4143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 11 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 12/17 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:23:55,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51df1b70-9212-4caa-be31-6cba20f9042e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE