./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro --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 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 --- 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-8393723 [2022-11-18 18:47:25,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:47:25,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:47:25,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:47:25,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:47:25,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:47:25,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:47:25,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:47:25,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:47:25,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:47:25,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:47:25,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:47:25,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:47:25,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:47:25,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:47:25,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:47:25,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:47:25,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:47:25,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:47:25,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:47:25,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:47:25,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:47:25,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:47:25,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:47:25,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:47:25,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:47:25,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:47:25,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:47:25,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:47:25,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:47:25,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:47:25,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:47:25,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:47:25,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:47:25,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:47:25,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:47:25,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:47:25,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:47:25,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:47:25,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:47:25,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:47:25,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:47:25,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:47:25,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:47:25,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:47:25,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:47:25,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:47:25,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:47:25,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:47:25,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:47:25,977 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:47:25,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:47:25,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:47:25,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:47:25,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:47:25,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:47:25,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:47:25,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:47:25,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:47:25,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:47:25,980 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:47:25,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:47:25,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:47:25,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:47:25,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:47:25,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:47:25,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:47:25,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:47:25,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:47:25,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:47:25,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:47:25,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:47:25,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:47:25,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:47:25,983 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:47:25,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:47:25,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:47:25,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 [2022-11-18 18:47:26,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:47:26,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:47:26,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:47:26,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:47:26,289 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:47:26,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2022-11-18 18:47:26,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/data/105369a43/4426a6beb74b45bfa41cb35e7b3503e1/FLAG8ca291f66 [2022-11-18 18:47:26,896 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:47:26,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2022-11-18 18:47:26,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/data/105369a43/4426a6beb74b45bfa41cb35e7b3503e1/FLAG8ca291f66 [2022-11-18 18:47:27,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/data/105369a43/4426a6beb74b45bfa41cb35e7b3503e1 [2022-11-18 18:47:27,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:47:27,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:47:27,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:47:27,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:47:27,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:47:27,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a7f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27, skipping insertion in model container [2022-11-18 18:47:27,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:47:27,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:47:27,600 WARN L234 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_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-11-18 18:47:27,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:47:27,619 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:47:27,653 WARN L234 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_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-11-18 18:47:27,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:47:27,667 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:47:27,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27 WrapperNode [2022-11-18 18:47:27,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:47:27,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:47:27,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:47:27,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:47:27,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,719 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-11-18 18:47:27,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:47:27,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:47:27,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:47:27,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:47:27,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:47:27,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:47:27,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:47:27,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:47:27,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (1/1) ... [2022-11-18 18:47:27,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:47:27,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:47:27,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:47:27,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:47:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:47:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 18:47:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 18:47:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 18:47:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 18:47:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 18:47:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 18:47:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-18 18:47:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-18 18:47:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:47:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:47:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:47:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:47:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:47:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:47:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:47:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:47:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:47:27,852 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:47:27,965 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:47:27,968 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:47:28,441 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:47:28,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:47:28,647 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 18:47:28,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:28 BoogieIcfgContainer [2022-11-18 18:47:28,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:47:28,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:47:28,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:47:28,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:47:28,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:47:27" (1/3) ... [2022-11-18 18:47:28,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a1a9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:47:28, skipping insertion in model container [2022-11-18 18:47:28,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:27" (2/3) ... [2022-11-18 18:47:28,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a1a9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:47:28, skipping insertion in model container [2022-11-18 18:47:28,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:28" (3/3) ... [2022-11-18 18:47:28,665 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2022-11-18 18:47:28,675 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:47:28,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:47:28,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2022-11-18 18:47:28,687 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:47:28,791 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-18 18:47:28,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 180 transitions, 392 flow [2022-11-18 18:47:28,978 INFO L130 PetriNetUnfolder]: 9/176 cut-off events. [2022-11-18 18:47:28,979 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 18:47:28,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 176 events. 9/176 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 197 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-11-18 18:47:28,987 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 180 transitions, 392 flow [2022-11-18 18:47:28,993 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 154 transitions, 332 flow [2022-11-18 18:47:29,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:47:29,014 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;@21bc7254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:47:29,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-11-18 18:47:29,057 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-18 18:47:29,064 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:47:29,064 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:29,065 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, 1, 1] [2022-11-18 18:47:29,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1355877263, now seen corresponding path program 1 times [2022-11-18 18:47:29,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:29,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730561655] [2022-11-18 18:47:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:29,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:29,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:29,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730561655] [2022-11-18 18:47:29,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730561655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:29,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:29,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:47:29,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113935841] [2022-11-18 18:47:29,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:29,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:47:29,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:29,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:47:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:47:29,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 180 [2022-11-18 18:47:29,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:29,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:29,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 180 [2022-11-18 18:47:29,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:30,870 INFO L130 PetriNetUnfolder]: 2736/5718 cut-off events. [2022-11-18 18:47:30,871 INFO L131 PetriNetUnfolder]: For 713/1142 co-relation queries the response was YES. [2022-11-18 18:47:30,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9865 conditions, 5718 events. 2736/5718 cut-off events. For 713/1142 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 46534 event pairs, 2064 based on Foata normal form. 0/4566 useless extension candidates. Maximal degree in co-relation 9484. Up to 3672 conditions per place. [2022-11-18 18:47:30,944 INFO L137 encePairwiseOnDemand]: 163/180 looper letters, 27 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2022-11-18 18:47:30,944 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 139 transitions, 360 flow [2022-11-18 18:47:30,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:47:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:47:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2022-11-18 18:47:30,967 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.825925925925926 [2022-11-18 18:47:30,968 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 446 transitions. [2022-11-18 18:47:30,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 446 transitions. [2022-11-18 18:47:30,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:30,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 446 transitions. [2022-11-18 18:47:30,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:30,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:30,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:30,998 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 332 flow. Second operand 3 states and 446 transitions. [2022-11-18 18:47:30,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 139 transitions, 360 flow [2022-11-18 18:47:31,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 344 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-18 18:47:31,008 INFO L231 Difference]: Finished difference. Result has 142 places, 139 transitions, 290 flow [2022-11-18 18:47:31,011 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=142, PETRI_TRANSITIONS=139} [2022-11-18 18:47:31,014 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -17 predicate places. [2022-11-18 18:47:31,015 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 139 transitions, 290 flow [2022-11-18 18:47:31,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:31,016 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:31,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:31,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:47:31,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:31,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1422098542, now seen corresponding path program 1 times [2022-11-18 18:47:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:31,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613191550] [2022-11-18 18:47:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:31,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:31,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613191550] [2022-11-18 18:47:31,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613191550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:31,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:31,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:47:31,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659150213] [2022-11-18 18:47:31,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:31,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:47:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:31,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:47:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:47:31,090 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 180 [2022-11-18 18:47:31,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:31,091 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:31,091 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 180 [2022-11-18 18:47:31,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:31,576 INFO L130 PetriNetUnfolder]: 1225/3007 cut-off events. [2022-11-18 18:47:31,577 INFO L131 PetriNetUnfolder]: For 86/284 co-relation queries the response was YES. [2022-11-18 18:47:31,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4743 conditions, 3007 events. 1225/3007 cut-off events. For 86/284 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 22772 event pairs, 747 based on Foata normal form. 0/2693 useless extension candidates. Maximal degree in co-relation 4710. Up to 1640 conditions per place. [2022-11-18 18:47:31,605 INFO L137 encePairwiseOnDemand]: 172/180 looper letters, 25 selfloop transitions, 4 changer transitions 0/142 dead transitions. [2022-11-18 18:47:31,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 142 transitions, 357 flow [2022-11-18 18:47:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:47:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:47:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2022-11-18 18:47:31,608 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2022-11-18 18:47:31,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2022-11-18 18:47:31,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2022-11-18 18:47:31,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:31,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2022-11-18 18:47:31,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:31,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:31,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:31,616 INFO L175 Difference]: Start difference. First operand has 142 places, 139 transitions, 290 flow. Second operand 3 states and 444 transitions. [2022-11-18 18:47:31,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 142 transitions, 357 flow [2022-11-18 18:47:31,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 142 transitions, 353 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:47:31,625 INFO L231 Difference]: Finished difference. Result has 139 places, 139 transitions, 306 flow [2022-11-18 18:47:31,626 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=139, PETRI_TRANSITIONS=139} [2022-11-18 18:47:31,627 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -20 predicate places. [2022-11-18 18:47:31,628 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 139 transitions, 306 flow [2022-11-18 18:47:31,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:31,629 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:31,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:31,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:47:31,630 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:31,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:31,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1257417651, now seen corresponding path program 1 times [2022-11-18 18:47:31,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:31,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190530470] [2022-11-18 18:47:31,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:31,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:32,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:32,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190530470] [2022-11-18 18:47:32,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190530470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:32,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:32,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:47:32,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675948140] [2022-11-18 18:47:32,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:32,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:32,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:32,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:32,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:32,323 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-18 18:47:32,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 139 transitions, 306 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:32,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:32,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-18 18:47:32,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:32,531 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([553] L62-6-->L62-1: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][68], [Black: 191#true, 193#(= |#race~N~0| 0), 143#L90-4true, 76#L62-1true, 36#L51-1true, 196#true, 10#L41-1true]) [2022-11-18 18:47:32,531 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-18 18:47:32,532 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:32,532 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:32,533 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-18 18:47:32,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 61#thread3ENTRYtrue, 14#L91-4true, 36#L51-1true, 196#true, 10#L41-1true]) [2022-11-18 18:47:32,618 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:32,619 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:32,619 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:32,619 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:32,621 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 14#L91-4true, 175#thread2ENTRYtrue, 76#L62-1true, 196#true, 10#L41-1true]) [2022-11-18 18:47:32,621 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:32,621 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:32,621 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:32,622 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:32,633 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 85#thread1ENTRYtrue, 14#L91-4true, 76#L62-1true, 36#L51-1true, 196#true]) [2022-11-18 18:47:32,634 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:32,634 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:32,634 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:32,634 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:32,665 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 14#L91-4true, 76#L62-1true, 36#L51-1true, 196#true, 10#L41-1true]) [2022-11-18 18:47:32,666 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:47:32,666 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:32,666 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-18 18:47:32,666 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:32,961 INFO L130 PetriNetUnfolder]: 1335/2748 cut-off events. [2022-11-18 18:47:32,961 INFO L131 PetriNetUnfolder]: For 3/20 co-relation queries the response was YES. [2022-11-18 18:47:32,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4789 conditions, 2748 events. 1335/2748 cut-off events. For 3/20 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 19774 event pairs, 203 based on Foata normal form. 12/2419 useless extension candidates. Maximal degree in co-relation 3694. Up to 839 conditions per place. [2022-11-18 18:47:32,991 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 51 selfloop transitions, 4 changer transitions 0/154 dead transitions. [2022-11-18 18:47:32,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 154 transitions, 446 flow [2022-11-18 18:47:32,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:47:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:47:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 788 transitions. [2022-11-18 18:47:32,994 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7296296296296296 [2022-11-18 18:47:32,994 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 788 transitions. [2022-11-18 18:47:32,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 788 transitions. [2022-11-18 18:47:32,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:32,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 788 transitions. [2022-11-18 18:47:32,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.33333333333334) internal successors, (788), 6 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:33,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:33,001 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:33,001 INFO L175 Difference]: Start difference. First operand has 139 places, 139 transitions, 306 flow. Second operand 6 states and 788 transitions. [2022-11-18 18:47:33,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 154 transitions, 446 flow [2022-11-18 18:47:33,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 154 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:47:33,008 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 312 flow [2022-11-18 18:47:33,008 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=312, PETRI_PLACES=143, PETRI_TRANSITIONS=138} [2022-11-18 18:47:33,011 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-18 18:47:33,011 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 312 flow [2022-11-18 18:47:33,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:33,012 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:33,013 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:33,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:47:33,013 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:33,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:33,014 INFO L85 PathProgramCache]: Analyzing trace with hash 50500312, now seen corresponding path program 1 times [2022-11-18 18:47:33,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:33,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965486307] [2022-11-18 18:47:33,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:33,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:33,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:33,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965486307] [2022-11-18 18:47:33,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965486307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:33,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:33,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:47:33,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910212070] [2022-11-18 18:47:33,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:33,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:33,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:33,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:33,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:33,572 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-18 18:47:33,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 312 flow. Second operand has 6 states, 6 states have (on average 125.16666666666667) internal successors, (751), 6 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:33,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:33,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-18 18:47:33,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:33,753 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 85#thread1ENTRYtrue, 14#L91-4true, 76#L62-1true, 36#L51-1true, 196#true, 203#true]) [2022-11-18 18:47:33,753 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:33,754 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:33,754 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:33,754 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:33,801 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 14#L91-4true, 76#L62-1true, 36#L51-1true, 196#true, 203#true, 10#L41-1true]) [2022-11-18 18:47:33,801 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:47:33,801 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-18 18:47:33,801 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:33,801 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:34,114 INFO L130 PetriNetUnfolder]: 1175/2481 cut-off events. [2022-11-18 18:47:34,114 INFO L131 PetriNetUnfolder]: For 78/84 co-relation queries the response was YES. [2022-11-18 18:47:34,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4503 conditions, 2481 events. 1175/2481 cut-off events. For 78/84 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 17806 event pairs, 605 based on Foata normal form. 0/2109 useless extension candidates. Maximal degree in co-relation 3407. Up to 1143 conditions per place. [2022-11-18 18:47:34,146 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 46 selfloop transitions, 4 changer transitions 0/149 dead transitions. [2022-11-18 18:47:34,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 149 transitions, 434 flow [2022-11-18 18:47:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:47:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:47:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 783 transitions. [2022-11-18 18:47:34,150 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.725 [2022-11-18 18:47:34,150 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 783 transitions. [2022-11-18 18:47:34,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 783 transitions. [2022-11-18 18:47:34,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:34,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 783 transitions. [2022-11-18 18:47:34,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.5) internal successors, (783), 6 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:34,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:34,159 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:34,160 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 312 flow. Second operand 6 states and 783 transitions. [2022-11-18 18:47:34,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 149 transitions, 434 flow [2022-11-18 18:47:34,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 149 transitions, 427 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:47:34,165 INFO L231 Difference]: Finished difference. Result has 143 places, 137 transitions, 311 flow [2022-11-18 18:47:34,165 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=311, PETRI_PLACES=143, PETRI_TRANSITIONS=137} [2022-11-18 18:47:34,166 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-18 18:47:34,167 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 311 flow [2022-11-18 18:47:34,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.16666666666667) internal successors, (751), 6 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:34,168 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:34,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:34,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:47:34,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1567666408, now seen corresponding path program 1 times [2022-11-18 18:47:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:34,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283708650] [2022-11-18 18:47:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:34,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:34,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:34,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283708650] [2022-11-18 18:47:34,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283708650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:34,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:34,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:47:34,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585379410] [2022-11-18 18:47:34,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:34,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:34,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:34,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:34,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:34,755 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-18 18:47:34,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 137 transitions, 311 flow. Second operand has 6 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:34,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:34,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-18 18:47:34,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:35,174 INFO L130 PetriNetUnfolder]: 1031/2227 cut-off events. [2022-11-18 18:47:35,174 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-18 18:47:35,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3949 conditions, 2227 events. 1031/2227 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 15550 event pairs, 685 based on Foata normal form. 0/1904 useless extension candidates. Maximal degree in co-relation 3129. Up to 1270 conditions per place. [2022-11-18 18:47:35,206 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 41 selfloop transitions, 4 changer transitions 0/144 dead transitions. [2022-11-18 18:47:35,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 144 transitions, 415 flow [2022-11-18 18:47:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:47:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:47:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 778 transitions. [2022-11-18 18:47:35,210 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7203703703703703 [2022-11-18 18:47:35,210 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 778 transitions. [2022-11-18 18:47:35,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 778 transitions. [2022-11-18 18:47:35,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:35,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 778 transitions. [2022-11-18 18:47:35,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.66666666666666) internal successors, (778), 6 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:35,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:35,218 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:35,218 INFO L175 Difference]: Start difference. First operand has 143 places, 137 transitions, 311 flow. Second operand 6 states and 778 transitions. [2022-11-18 18:47:35,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 144 transitions, 415 flow [2022-11-18 18:47:35,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 144 transitions, 408 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:47:35,222 INFO L231 Difference]: Finished difference. Result has 143 places, 136 transitions, 310 flow [2022-11-18 18:47:35,223 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=310, PETRI_PLACES=143, PETRI_TRANSITIONS=136} [2022-11-18 18:47:35,226 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-18 18:47:35,226 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 136 transitions, 310 flow [2022-11-18 18:47:35,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:35,227 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:35,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:35,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:47:35,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:35,229 INFO L85 PathProgramCache]: Analyzing trace with hash -984771450, now seen corresponding path program 1 times [2022-11-18 18:47:35,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:35,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490583908] [2022-11-18 18:47:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:35,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:35,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490583908] [2022-11-18 18:47:35,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490583908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:35,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:35,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:47:35,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40292861] [2022-11-18 18:47:35,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:35,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:35,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:35,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:35,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:35,747 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-18 18:47:35,748 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 136 transitions, 310 flow. Second operand has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:35,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:35,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-18 18:47:35,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:35,849 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([553] L62-6-->L62-1: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][68], [Black: 191#true, 193#(= |#race~N~0| 0), 143#L90-4true, 210#true, 76#L62-1true, 36#L51-1true, 217#true, 10#L41-1true]) [2022-11-18 18:47:35,850 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-18 18:47:35,850 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:35,850 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:35,850 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-18 18:47:36,150 INFO L130 PetriNetUnfolder]: 1017/2175 cut-off events. [2022-11-18 18:47:36,152 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-18 18:47:36,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3852 conditions, 2175 events. 1017/2175 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15098 event pairs, 703 based on Foata normal form. 0/1876 useless extension candidates. Maximal degree in co-relation 3566. Up to 1331 conditions per place. [2022-11-18 18:47:36,178 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 36 selfloop transitions, 4 changer transitions 0/139 dead transitions. [2022-11-18 18:47:36,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 139 transitions, 396 flow [2022-11-18 18:47:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:47:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:47:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 773 transitions. [2022-11-18 18:47:36,181 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7157407407407408 [2022-11-18 18:47:36,181 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 773 transitions. [2022-11-18 18:47:36,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 773 transitions. [2022-11-18 18:47:36,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:36,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 773 transitions. [2022-11-18 18:47:36,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,187 INFO L175 Difference]: Start difference. First operand has 143 places, 136 transitions, 310 flow. Second operand 6 states and 773 transitions. [2022-11-18 18:47:36,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 139 transitions, 396 flow [2022-11-18 18:47:36,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 139 transitions, 389 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:47:36,191 INFO L231 Difference]: Finished difference. Result has 143 places, 135 transitions, 309 flow [2022-11-18 18:47:36,191 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=309, PETRI_PLACES=143, PETRI_TRANSITIONS=135} [2022-11-18 18:47:36,194 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-18 18:47:36,194 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 135 transitions, 309 flow [2022-11-18 18:47:36,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,195 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:36,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:36,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:47:36,196 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:36,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1089116428, now seen corresponding path program 1 times [2022-11-18 18:47:36,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:36,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331914160] [2022-11-18 18:47:36,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:36,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:36,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331914160] [2022-11-18 18:47:36,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331914160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:36,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:36,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:47:36,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463461547] [2022-11-18 18:47:36,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:36,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:47:36,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:36,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:47:36,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:47:36,282 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 180 [2022-11-18 18:47:36,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 135 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:36,283 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 180 [2022-11-18 18:47:36,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:36,335 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([553] L62-6-->L62-1: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][68], [Black: 191#true, 193#(= |#race~N~0| 0), 143#L90-4true, 224#true, 76#L62-1true, 36#L51-1true, 217#true, 10#L41-1true]) [2022-11-18 18:47:36,335 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-18 18:47:36,335 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:36,336 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:36,336 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-18 18:47:36,364 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 61#thread3ENTRYtrue, 224#true, 14#L91-4true, 36#L51-1true, 217#true, 10#L41-1true]) [2022-11-18 18:47:36,364 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:36,364 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,364 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,364 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:36,365 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 14#L91-4true, 175#thread2ENTRYtrue, 76#L62-1true, 217#true, 10#L41-1true]) [2022-11-18 18:47:36,365 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:36,365 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:36,365 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,366 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,369 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 85#thread1ENTRYtrue, 224#true, 14#L91-4true, 76#L62-1true, 36#L51-1true, 217#true]) [2022-11-18 18:47:36,369 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:36,369 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:36,369 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,369 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,375 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 14#L91-4true, 76#L62-1true, 36#L51-1true, 217#true, 10#L41-1true]) [2022-11-18 18:47:36,376 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:47:36,376 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-18 18:47:36,376 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:36,376 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:36,438 INFO L130 PetriNetUnfolder]: 319/1137 cut-off events. [2022-11-18 18:47:36,438 INFO L131 PetriNetUnfolder]: For 37/60 co-relation queries the response was YES. [2022-11-18 18:47:36,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 1137 events. 319/1137 cut-off events. For 37/60 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7169 event pairs, 114 based on Foata normal form. 0/982 useless extension candidates. Maximal degree in co-relation 1627. Up to 247 conditions per place. [2022-11-18 18:47:36,447 INFO L137 encePairwiseOnDemand]: 178/180 looper letters, 13 selfloop transitions, 1 changer transitions 0/134 dead transitions. [2022-11-18 18:47:36,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 134 transitions, 335 flow [2022-11-18 18:47:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:47:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:47:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2022-11-18 18:47:36,450 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8555555555555555 [2022-11-18 18:47:36,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2022-11-18 18:47:36,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2022-11-18 18:47:36,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:36,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2022-11-18 18:47:36,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,453 INFO L175 Difference]: Start difference. First operand has 143 places, 135 transitions, 309 flow. Second operand 3 states and 462 transitions. [2022-11-18 18:47:36,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 134 transitions, 335 flow [2022-11-18 18:47:36,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 134 transitions, 328 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:47:36,456 INFO L231 Difference]: Finished difference. Result has 140 places, 134 transitions, 302 flow [2022-11-18 18:47:36,457 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=140, PETRI_TRANSITIONS=134} [2022-11-18 18:47:36,457 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -19 predicate places. [2022-11-18 18:47:36,458 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 134 transitions, 302 flow [2022-11-18 18:47:36,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,458 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:47:36,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:36,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:47:36,459 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-18 18:47:36,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:36,459 INFO L85 PathProgramCache]: Analyzing trace with hash 549057744, now seen corresponding path program 1 times [2022-11-18 18:47:36,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:36,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246926931] [2022-11-18 18:47:36,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:36,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:36,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:36,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246926931] [2022-11-18 18:47:36,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246926931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:36,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:36,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:47:36,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179147332] [2022-11-18 18:47:36,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:36,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:47:36,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:36,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:47:36,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:47:36,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 180 [2022-11-18 18:47:36,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 134 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:47:36,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 180 [2022-11-18 18:47:36,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:47:36,588 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([553] L62-6-->L62-1: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][68], [Black: 191#true, 193#(= |#race~N~0| 0), 143#L90-4true, 224#true, 76#L62-1true, 36#L51-1true, 228#true, 10#L41-1true]) [2022-11-18 18:47:36,589 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-18 18:47:36,589 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:36,589 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-18 18:47:36,589 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-18 18:47:36,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 61#thread3ENTRYtrue, 224#true, 14#L91-4true, 36#L51-1true, 228#true, 10#L41-1true]) [2022-11-18 18:47:36,618 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:36,618 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,619 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,619 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:36,619 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 14#L91-4true, 175#thread2ENTRYtrue, 76#L62-1true, 228#true, 10#L41-1true]) [2022-11-18 18:47:36,619 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:36,620 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:36,620 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,620 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,643 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 85#thread1ENTRYtrue, 14#L91-4true, 76#L62-1true, 36#L51-1true, 228#true]) [2022-11-18 18:47:36,643 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-18 18:47:36,644 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-18 18:47:36,644 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,644 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-18 18:47:36,650 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 14#L91-4true, 76#L62-1true, 36#L51-1true, 228#true, 10#L41-1true]) [2022-11-18 18:47:36,650 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-18 18:47:36,650 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-18 18:47:36,650 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:36,650 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-18 18:47:36,705 INFO L130 PetriNetUnfolder]: 319/1136 cut-off events. [2022-11-18 18:47:36,705 INFO L131 PetriNetUnfolder]: For 37/60 co-relation queries the response was YES. [2022-11-18 18:47:36,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 1136 events. 319/1136 cut-off events. For 37/60 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7169 event pairs, 114 based on Foata normal form. 1/982 useless extension candidates. Maximal degree in co-relation 1642. Up to 247 conditions per place. [2022-11-18 18:47:36,711 INFO L137 encePairwiseOnDemand]: 178/180 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2022-11-18 18:47:36,711 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 133 transitions, 326 flow [2022-11-18 18:47:36,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:47:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:47:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 461 transitions. [2022-11-18 18:47:36,713 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8537037037037037 [2022-11-18 18:47:36,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 461 transitions. [2022-11-18 18:47:36,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 461 transitions. [2022-11-18 18:47:36,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:47:36,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 461 transitions. [2022-11-18 18:47:36,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,717 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,717 INFO L175 Difference]: Start difference. First operand has 140 places, 134 transitions, 302 flow. Second operand 3 states and 461 transitions. [2022-11-18 18:47:36,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 133 transitions, 326 flow [2022-11-18 18:47:36,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 133 transitions, 325 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:47:36,719 INFO L231 Difference]: Finished difference. Result has 140 places, 0 transitions, 0 flow [2022-11-18 18:47:36,719 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=140, PETRI_TRANSITIONS=0} [2022-11-18 18:47:36,722 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -19 predicate places. [2022-11-18 18:47:36,722 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 0 transitions, 0 flow [2022-11-18 18:47:36,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:47:36,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2022-11-18 18:47:36,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2022-11-18 18:47:36,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2022-11-18 18:47:36,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2022-11-18 18:47:36,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2022-11-18 18:47:36,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2022-11-18 18:47:36,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2022-11-18 18:47:36,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2022-11-18 18:47:36,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2022-11-18 18:47:36,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2022-11-18 18:47:36,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2022-11-18 18:47:36,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2022-11-18 18:47:36,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2022-11-18 18:47:36,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2022-11-18 18:47:36,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2022-11-18 18:47:36,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2022-11-18 18:47:36,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2022-11-18 18:47:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 39 remaining) [2022-11-18 18:47:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 39 remaining) [2022-11-18 18:47:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 39 remaining) [2022-11-18 18:47:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 39 remaining) [2022-11-18 18:47:36,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2022-11-18 18:47:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2022-11-18 18:47:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2022-11-18 18:47:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2022-11-18 18:47:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2022-11-18 18:47:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2022-11-18 18:47:36,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2022-11-18 18:47:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2022-11-18 18:47:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2022-11-18 18:47:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2022-11-18 18:47:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2022-11-18 18:47:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2022-11-18 18:47:36,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2022-11-18 18:47:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2022-11-18 18:47:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2022-11-18 18:47:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2022-11-18 18:47:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2022-11-18 18:47:36,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2022-11-18 18:47:36,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:47:36,738 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:36,744 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:47:36,744 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:47:36,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:47:36 BasicIcfg [2022-11-18 18:47:36,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:47:36,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:47:36,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:47:36,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:47:36,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:28" (3/4) ... [2022-11-18 18:47:36,757 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:47:36,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 18:47:36,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 18:47:36,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 18:47:36,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-18 18:47:36,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-18 18:47:36,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:47:36,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:47:36,770 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:47:36,818 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:47:36,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:47:36,819 INFO L158 Benchmark]: Toolchain (without parser) took 9587.92ms. Allocated memory was 125.8MB in the beginning and 442.5MB in the end (delta: 316.7MB). Free memory was 91.4MB in the beginning and 306.0MB in the end (delta: -214.6MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,819 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:47:36,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.46ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 100.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.53ms. Allocated memory is still 125.8MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,820 INFO L158 Benchmark]: Boogie Preprocessor took 36.20ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 96.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,821 INFO L158 Benchmark]: RCFGBuilder took 893.71ms. Allocated memory is still 125.8MB. Free memory was 96.0MB in the beginning and 68.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,821 INFO L158 Benchmark]: TraceAbstraction took 8098.66ms. Allocated memory was 125.8MB in the beginning and 442.5MB in the end (delta: 316.7MB). Free memory was 68.7MB in the beginning and 309.1MB in the end (delta: -240.4MB). Peak memory consumption was 314.1MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,821 INFO L158 Benchmark]: Witness Printer took 64.51ms. Allocated memory is still 442.5MB. Free memory was 309.1MB in the beginning and 306.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:47:36,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.46ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 100.2MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.53ms. Allocated memory is still 125.8MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.20ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 96.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.71ms. Allocated memory is still 125.8MB. Free memory was 96.0MB in the beginning and 68.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8098.66ms. Allocated memory was 125.8MB in the beginning and 442.5MB in the end (delta: 316.7MB). Free memory was 68.7MB in the beginning and 309.1MB in the end (delta: -240.4MB). Peak memory consumption was 314.1MB. Max. memory is 16.1GB. * Witness Printer took 64.51ms. Allocated memory is still 442.5MB. Free memory was 309.1MB in the beginning and 306.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 234 locations, 39 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 535 IncrementalHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 78 mSDtfsCounter, 535 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 583 NumberOfCodeBlocks, 583 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 575 ConstructedInterpolants, 0 QuantifiedInterpolants, 907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:47:36,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d24eebc-d930-4bf2-bfb6-5b56edf0d45f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE