./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 6b4ec56b 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_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 10:31:02,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:02,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:02,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:02,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:02,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:02,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:02,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:02,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:02,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:02,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:02,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:02,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:02,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:02,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:02,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:02,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:02,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:02,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:02,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:02,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:02,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:02,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:02,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:02,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:02,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:02,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:02,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:02,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:02,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:02,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:02,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:02,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:02,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:02,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:02,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:02,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:02,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:02,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:02,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:02,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:02,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:31:02,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:02,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:02,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:02,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:02,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:02,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:02,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:02,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:02,919 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:02,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:02,920 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:31:02,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:31:02,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:02,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:31:02,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:02,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:02,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:02,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:02,922 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:31:02,922 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:31:02,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:02,923 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:02,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:02,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:02,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:02,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:02,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:02,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:02,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:02,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:02,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:02,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:02,925 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:02,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:02,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:02,926 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_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 [2022-11-20 10:31:03,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:03,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:03,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:03,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:03,308 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:03,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2022-11-20 10:31:06,598 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:06,837 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:06,837 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2022-11-20 10:31:06,845 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/data/f347c7860/e5f34b742e364c2db672db7f1db0f605/FLAG78468d275 [2022-11-20 10:31:06,863 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/data/f347c7860/e5f34b742e364c2db672db7f1db0f605 [2022-11-20 10:31:06,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:06,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:06,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:06,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:06,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:06,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:06" (1/1) ... [2022-11-20 10:31:06,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1281ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:06, skipping insertion in model container [2022-11-20 10:31:06,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:06" (1/1) ... [2022-11-20 10:31:06,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:06,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:07,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-11-20 10:31:07,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:07,151 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:07,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-11-20 10:31:07,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:07,216 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:07,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07 WrapperNode [2022-11-20 10:31:07,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:07,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:07,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:07,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:07,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,267 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-11-20 10:31:07,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:07,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:07,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:07,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:07,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:07,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:07,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:07,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:07,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (1/1) ... [2022-11-20 10:31:07,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:07,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:07,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:07,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:31:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:31:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:31:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:31:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:31:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:31:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 10:31:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 10:31:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:31:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:31:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:31:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:31:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:31:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:31:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:31:07,405 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:31:07,514 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:07,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:07,986 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:31:08,143 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:31:08,154 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:31:08,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:08 BoogieIcfgContainer [2022-11-20 10:31:08,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:31:08,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:31:08,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:31:08,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:31:08,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:06" (1/3) ... [2022-11-20 10:31:08,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688cd908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:08, skipping insertion in model container [2022-11-20 10:31:08,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:07" (2/3) ... [2022-11-20 10:31:08,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688cd908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:08, skipping insertion in model container [2022-11-20 10:31:08,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:08" (3/3) ... [2022-11-20 10:31:08,166 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2022-11-20 10:31:08,177 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:31:08,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:31:08,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2022-11-20 10:31:08,187 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:31:08,317 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 10:31:08,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 180 transitions, 392 flow [2022-11-20 10:31:08,439 INFO L130 PetriNetUnfolder]: 9/176 cut-off events. [2022-11-20 10:31:08,439 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 10:31:08,449 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. [2022-11-20 10:31:08,449 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 180 transitions, 392 flow [2022-11-20 10:31:08,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 154 transitions, 332 flow [2022-11-20 10:31:08,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:31:08,477 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;@c61316d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:31:08,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-11-20 10:31:08,485 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-20 10:31:08,485 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:31:08,488 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:08,489 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] [2022-11-20 10:31:08,490 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)] === [2022-11-20 10:31:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:08,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1355877263, now seen corresponding path program 1 times [2022-11-20 10:31:08,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:08,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347316718] [2022-11-20 10:31:08,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:08,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:08,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347316718] [2022-11-20 10:31:08,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347316718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:08,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:08,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:08,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921651301] [2022-11-20 10:31:08,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:08,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:08,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:08,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:08,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:08,888 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 180 [2022-11-20 10:31:08,896 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) [2022-11-20 10:31:08,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:08,897 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 180 [2022-11-20 10:31:08,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:10,078 INFO L130 PetriNetUnfolder]: 2736/5718 cut-off events. [2022-11-20 10:31:10,078 INFO L131 PetriNetUnfolder]: For 713/1142 co-relation queries the response was YES. [2022-11-20 10:31:10,110 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. [2022-11-20 10:31:10,159 INFO L137 encePairwiseOnDemand]: 163/180 looper letters, 27 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2022-11-20 10:31:10,160 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 139 transitions, 360 flow [2022-11-20 10:31:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2022-11-20 10:31:10,174 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.825925925925926 [2022-11-20 10:31:10,175 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 446 transitions. [2022-11-20 10:31:10,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 446 transitions. [2022-11-20 10:31:10,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:10,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 446 transitions. [2022-11-20 10:31:10,184 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) [2022-11-20 10:31:10,190 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) [2022-11-20 10:31:10,190 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) [2022-11-20 10:31:10,192 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 332 flow. Second operand 3 states and 446 transitions. [2022-11-20 10:31:10,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 139 transitions, 360 flow [2022-11-20 10:31:10,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 344 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-20 10:31:10,203 INFO L231 Difference]: Finished difference. Result has 142 places, 139 transitions, 290 flow [2022-11-20 10:31:10,206 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} [2022-11-20 10:31:10,209 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -17 predicate places. [2022-11-20 10:31:10,210 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 139 transitions, 290 flow [2022-11-20 10:31:10,210 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) [2022-11-20 10:31:10,210 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:10,211 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] [2022-11-20 10:31:10,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:31:10,211 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2022-11-20 10:31:10,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:10,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1422098542, now seen corresponding path program 1 times [2022-11-20 10:31:10,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:10,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380711518] [2022-11-20 10:31:10,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:10,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:10,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:10,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380711518] [2022-11-20 10:31:10,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380711518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:10,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:10,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:10,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013454988] [2022-11-20 10:31:10,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:10,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:10,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:10,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:10,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:10,324 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 180 [2022-11-20 10:31:10,325 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) [2022-11-20 10:31:10,325 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:10,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 180 [2022-11-20 10:31:10,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:10,858 INFO L130 PetriNetUnfolder]: 1225/3007 cut-off events. [2022-11-20 10:31:10,858 INFO L131 PetriNetUnfolder]: For 86/284 co-relation queries the response was YES. [2022-11-20 10:31:10,867 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. [2022-11-20 10:31:10,889 INFO L137 encePairwiseOnDemand]: 172/180 looper letters, 25 selfloop transitions, 4 changer transitions 0/142 dead transitions. [2022-11-20 10:31:10,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 142 transitions, 357 flow [2022-11-20 10:31:10,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2022-11-20 10:31:10,895 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8222222222222222 [2022-11-20 10:31:10,895 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2022-11-20 10:31:10,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2022-11-20 10:31:10,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:10,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2022-11-20 10:31:10,898 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) [2022-11-20 10:31:10,902 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) [2022-11-20 10:31:10,902 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) [2022-11-20 10:31:10,903 INFO L175 Difference]: Start difference. First operand has 142 places, 139 transitions, 290 flow. Second operand 3 states and 444 transitions. [2022-11-20 10:31:10,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 142 transitions, 357 flow [2022-11-20 10:31:10,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 142 transitions, 353 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:31:10,910 INFO L231 Difference]: Finished difference. Result has 139 places, 139 transitions, 306 flow [2022-11-20 10:31:10,911 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} [2022-11-20 10:31:10,912 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -20 predicate places. [2022-11-20 10:31:10,913 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 139 transitions, 306 flow [2022-11-20 10:31:10,913 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) [2022-11-20 10:31:10,913 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:10,914 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] [2022-11-20 10:31:10,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:31:10,915 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)] === [2022-11-20 10:31:10,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:10,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1257417651, now seen corresponding path program 1 times [2022-11-20 10:31:10,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:10,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510940738] [2022-11-20 10:31:10,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:10,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:11,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:11,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510940738] [2022-11-20 10:31:11,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510940738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:11,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:11,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:11,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776012150] [2022-11-20 10:31:11,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:11,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:11,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:11,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:11,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:11,636 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-20 10:31:11,637 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) [2022-11-20 10:31:11,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:11,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-20 10:31:11,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:11,880 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]) [2022-11-20 10:31:11,880 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-20 10:31:11,880 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:11,881 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:11,881 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-20 10:31:11,976 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 61#thread3ENTRYtrue, 14#L91-4true, 36#L51-1true, 196#true, 10#L41-1true]) [2022-11-20 10:31:11,976 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:11,977 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:11,979 INFO L381 tUnfolder$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]) [2022-11-20 10:31:11,979 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:11,980 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:11,980 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:11,980 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:11,992 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 85#thread1ENTRYtrue, 14#L91-4true, 76#L62-1true, 36#L51-1true, 196#true]) [2022-11-20 10:31:11,993 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:11,993 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:11,993 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:11,993 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:12,025 INFO L381 tUnfolder$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]) [2022-11-20 10:31:12,025 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:31:12,025 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:12,025 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-20 10:31:12,026 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:12,266 INFO L130 PetriNetUnfolder]: 1335/2748 cut-off events. [2022-11-20 10:31:12,266 INFO L131 PetriNetUnfolder]: For 3/20 co-relation queries the response was YES. [2022-11-20 10:31:12,281 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. [2022-11-20 10:31:12,298 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 51 selfloop transitions, 4 changer transitions 0/154 dead transitions. [2022-11-20 10:31:12,299 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 154 transitions, 446 flow [2022-11-20 10:31:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 788 transitions. [2022-11-20 10:31:12,301 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7296296296296296 [2022-11-20 10:31:12,301 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 788 transitions. [2022-11-20 10:31:12,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 788 transitions. [2022-11-20 10:31:12,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:12,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 788 transitions. [2022-11-20 10:31:12,304 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) [2022-11-20 10:31:12,307 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) [2022-11-20 10:31:12,308 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) [2022-11-20 10:31:12,308 INFO L175 Difference]: Start difference. First operand has 139 places, 139 transitions, 306 flow. Second operand 6 states and 788 transitions. [2022-11-20 10:31:12,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 154 transitions, 446 flow [2022-11-20 10:31:12,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 154 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:31:12,315 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 312 flow [2022-11-20 10:31:12,315 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} [2022-11-20 10:31:12,318 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-20 10:31:12,318 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 312 flow [2022-11-20 10:31:12,319 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) [2022-11-20 10:31:12,319 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:12,319 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] [2022-11-20 10:31:12,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:31:12,319 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)] === [2022-11-20 10:31:12,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:12,320 INFO L85 PathProgramCache]: Analyzing trace with hash 50500312, now seen corresponding path program 1 times [2022-11-20 10:31:12,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:12,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111615859] [2022-11-20 10:31:12,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:12,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:12,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111615859] [2022-11-20 10:31:12,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111615859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:12,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:12,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:12,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468926374] [2022-11-20 10:31:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:12,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:12,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:12,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:12,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:12,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-20 10:31:12,809 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) [2022-11-20 10:31:12,809 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:12,809 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-20 10:31:12,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:12,986 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 85#thread1ENTRYtrue, 14#L91-4true, 76#L62-1true, 36#L51-1true, 196#true, 203#true]) [2022-11-20 10:31:12,986 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:12,986 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:12,987 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:12,987 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:13,035 INFO L381 tUnfolder$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]) [2022-11-20 10:31:13,036 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:31:13,036 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-20 10:31:13,036 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:13,036 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:13,294 INFO L130 PetriNetUnfolder]: 1175/2481 cut-off events. [2022-11-20 10:31:13,294 INFO L131 PetriNetUnfolder]: For 78/84 co-relation queries the response was YES. [2022-11-20 10:31:13,306 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. [2022-11-20 10:31:13,322 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 46 selfloop transitions, 4 changer transitions 0/149 dead transitions. [2022-11-20 10:31:13,322 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 149 transitions, 434 flow [2022-11-20 10:31:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 783 transitions. [2022-11-20 10:31:13,325 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.725 [2022-11-20 10:31:13,325 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 783 transitions. [2022-11-20 10:31:13,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 783 transitions. [2022-11-20 10:31:13,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:13,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 783 transitions. [2022-11-20 10:31:13,328 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) [2022-11-20 10:31:13,330 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) [2022-11-20 10:31:13,331 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) [2022-11-20 10:31:13,331 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 312 flow. Second operand 6 states and 783 transitions. [2022-11-20 10:31:13,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 149 transitions, 434 flow [2022-11-20 10:31:13,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 149 transitions, 427 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:13,336 INFO L231 Difference]: Finished difference. Result has 143 places, 137 transitions, 311 flow [2022-11-20 10:31:13,336 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} [2022-11-20 10:31:13,337 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-20 10:31:13,337 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 311 flow [2022-11-20 10:31:13,337 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) [2022-11-20 10:31:13,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:13,338 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] [2022-11-20 10:31:13,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:31:13,338 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)] === [2022-11-20 10:31:13,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:13,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1567666408, now seen corresponding path program 1 times [2022-11-20 10:31:13,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:13,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591721557] [2022-11-20 10:31:13,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:13,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:13,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:13,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591721557] [2022-11-20 10:31:13,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591721557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:13,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:13,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:13,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416896991] [2022-11-20 10:31:13,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:13,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:13,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:13,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:13,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:13,796 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-20 10:31:13,797 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) [2022-11-20 10:31:13,797 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:13,797 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-20 10:31:13,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:14,320 INFO L130 PetriNetUnfolder]: 1031/2227 cut-off events. [2022-11-20 10:31:14,320 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-20 10:31:14,335 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. [2022-11-20 10:31:14,354 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 41 selfloop transitions, 4 changer transitions 0/144 dead transitions. [2022-11-20 10:31:14,354 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 144 transitions, 415 flow [2022-11-20 10:31:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 778 transitions. [2022-11-20 10:31:14,357 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7203703703703703 [2022-11-20 10:31:14,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 778 transitions. [2022-11-20 10:31:14,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 778 transitions. [2022-11-20 10:31:14,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:14,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 778 transitions. [2022-11-20 10:31:14,362 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) [2022-11-20 10:31:14,364 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) [2022-11-20 10:31:14,365 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) [2022-11-20 10:31:14,365 INFO L175 Difference]: Start difference. First operand has 143 places, 137 transitions, 311 flow. Second operand 6 states and 778 transitions. [2022-11-20 10:31:14,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 144 transitions, 415 flow [2022-11-20 10:31:14,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 144 transitions, 408 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:14,371 INFO L231 Difference]: Finished difference. Result has 143 places, 136 transitions, 310 flow [2022-11-20 10:31:14,371 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} [2022-11-20 10:31:14,372 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-20 10:31:14,372 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 136 transitions, 310 flow [2022-11-20 10:31:14,373 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) [2022-11-20 10:31:14,373 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:14,373 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] [2022-11-20 10:31:14,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:31:14,374 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)] === [2022-11-20 10:31:14,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:14,375 INFO L85 PathProgramCache]: Analyzing trace with hash -984771450, now seen corresponding path program 1 times [2022-11-20 10:31:14,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:14,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288346691] [2022-11-20 10:31:14,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:14,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:14,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:14,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288346691] [2022-11-20 10:31:14,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288346691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:14,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:14,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:14,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436712908] [2022-11-20 10:31:14,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:14,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:14,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:14,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:14,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:14,892 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 180 [2022-11-20 10:31:14,893 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) [2022-11-20 10:31:14,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:14,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 180 [2022-11-20 10:31:14,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:14,984 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([553] L62-6-->L62-1: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][68], [Black: 191#true, 193#(= |#race~N~0| 0), 143#L90-4true, 210#true, 76#L62-1true, 36#L51-1true, 217#true, 10#L41-1true]) [2022-11-20 10:31:14,984 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-20 10:31:14,984 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:14,984 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:14,984 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-20 10:31:15,284 INFO L130 PetriNetUnfolder]: 1017/2175 cut-off events. [2022-11-20 10:31:15,284 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 10:31:15,296 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. [2022-11-20 10:31:15,310 INFO L137 encePairwiseOnDemand]: 175/180 looper letters, 36 selfloop transitions, 4 changer transitions 0/139 dead transitions. [2022-11-20 10:31:15,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 139 transitions, 396 flow [2022-11-20 10:31:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:31:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 773 transitions. [2022-11-20 10:31:15,312 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7157407407407408 [2022-11-20 10:31:15,313 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 773 transitions. [2022-11-20 10:31:15,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 773 transitions. [2022-11-20 10:31:15,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:15,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 773 transitions. [2022-11-20 10:31:15,315 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) [2022-11-20 10:31:15,317 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) [2022-11-20 10:31:15,318 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) [2022-11-20 10:31:15,318 INFO L175 Difference]: Start difference. First operand has 143 places, 136 transitions, 310 flow. Second operand 6 states and 773 transitions. [2022-11-20 10:31:15,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 139 transitions, 396 flow [2022-11-20 10:31:15,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 139 transitions, 389 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:15,321 INFO L231 Difference]: Finished difference. Result has 143 places, 135 transitions, 309 flow [2022-11-20 10:31:15,322 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} [2022-11-20 10:31:15,322 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -16 predicate places. [2022-11-20 10:31:15,323 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 135 transitions, 309 flow [2022-11-20 10:31:15,323 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) [2022-11-20 10:31:15,323 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:15,323 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] [2022-11-20 10:31:15,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:31:15,324 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)] === [2022-11-20 10:31:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:15,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1089116428, now seen corresponding path program 1 times [2022-11-20 10:31:15,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:15,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080099846] [2022-11-20 10:31:15,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:15,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:15,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:15,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080099846] [2022-11-20 10:31:15,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080099846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:15,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:15,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:15,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011345662] [2022-11-20 10:31:15,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:15,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:15,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:15,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:15,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:15,398 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 180 [2022-11-20 10:31:15,398 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) [2022-11-20 10:31:15,398 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:15,398 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 180 [2022-11-20 10:31:15,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:15,456 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]) [2022-11-20 10:31:15,457 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-20 10:31:15,457 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:15,457 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:15,457 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-20 10:31:15,487 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 61#thread3ENTRYtrue, 224#true, 14#L91-4true, 36#L51-1true, 217#true, 10#L41-1true]) [2022-11-20 10:31:15,487 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:15,487 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,487 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,488 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:15,488 INFO L381 tUnfolder$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]) [2022-11-20 10:31:15,488 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:15,489 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:15,489 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,489 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,492 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 85#thread1ENTRYtrue, 224#true, 14#L91-4true, 76#L62-1true, 36#L51-1true, 217#true]) [2022-11-20 10:31:15,493 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:15,493 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:15,493 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,493 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,499 INFO L381 tUnfolder$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]) [2022-11-20 10:31:15,500 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:31:15,500 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-20 10:31:15,500 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:15,500 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:15,563 INFO L130 PetriNetUnfolder]: 319/1137 cut-off events. [2022-11-20 10:31:15,563 INFO L131 PetriNetUnfolder]: For 37/60 co-relation queries the response was YES. [2022-11-20 10:31:15,569 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. [2022-11-20 10:31:15,575 INFO L137 encePairwiseOnDemand]: 178/180 looper letters, 13 selfloop transitions, 1 changer transitions 0/134 dead transitions. [2022-11-20 10:31:15,575 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 134 transitions, 335 flow [2022-11-20 10:31:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2022-11-20 10:31:15,577 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8555555555555555 [2022-11-20 10:31:15,577 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2022-11-20 10:31:15,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2022-11-20 10:31:15,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:15,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2022-11-20 10:31:15,579 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) [2022-11-20 10:31:15,581 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) [2022-11-20 10:31:15,581 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) [2022-11-20 10:31:15,581 INFO L175 Difference]: Start difference. First operand has 143 places, 135 transitions, 309 flow. Second operand 3 states and 462 transitions. [2022-11-20 10:31:15,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 134 transitions, 335 flow [2022-11-20 10:31:15,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 134 transitions, 328 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:15,585 INFO L231 Difference]: Finished difference. Result has 140 places, 134 transitions, 302 flow [2022-11-20 10:31:15,585 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} [2022-11-20 10:31:15,586 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -19 predicate places. [2022-11-20 10:31:15,586 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 134 transitions, 302 flow [2022-11-20 10:31:15,587 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) [2022-11-20 10:31:15,587 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:15,587 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] [2022-11-20 10:31:15,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:31:15,587 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)] === [2022-11-20 10:31:15,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:15,588 INFO L85 PathProgramCache]: Analyzing trace with hash 549057744, now seen corresponding path program 1 times [2022-11-20 10:31:15,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:15,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932691806] [2022-11-20 10:31:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:15,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:15,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:15,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932691806] [2022-11-20 10:31:15,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932691806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:15,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:15,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879144046] [2022-11-20 10:31:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:15,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:15,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:15,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:15,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:15,657 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 180 [2022-11-20 10:31:15,658 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) [2022-11-20 10:31:15,658 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:15,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 180 [2022-11-20 10:31:15,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:31:15,716 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([553] L62-6-->L62-1: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][68], [Black: 191#true, 193#(= |#race~N~0| 0), 143#L90-4true, 224#true, 76#L62-1true, 36#L51-1true, 228#true, 10#L41-1true]) [2022-11-20 10:31:15,716 INFO L383 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2022-11-20 10:31:15,717 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:15,717 INFO L386 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-11-20 10:31:15,717 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-11-20 10:31:15,748 INFO L381 tUnfolder$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]) [2022-11-20 10:31:15,749 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:15,749 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,749 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,749 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:15,750 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 14#L91-4true, 175#thread2ENTRYtrue, 76#L62-1true, 228#true, 10#L41-1true]) [2022-11-20 10:31:15,750 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:15,750 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:15,750 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,751 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,754 INFO L381 tUnfolder$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]) [2022-11-20 10:31:15,755 INFO L383 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-11-20 10:31:15,755 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-11-20 10:31:15,755 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,755 INFO L386 tUnfolder$Statistics]: existing Event has 61 ancestors and is cut-off event [2022-11-20 10:31:15,762 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([568] L72-6-->L72-1: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][85], [177#L72-1true, Black: 191#true, 193#(= |#race~N~0| 0), 224#true, 14#L91-4true, 76#L62-1true, 36#L51-1true, 228#true, 10#L41-1true]) [2022-11-20 10:31:15,763 INFO L383 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2022-11-20 10:31:15,763 INFO L386 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2022-11-20 10:31:15,763 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:15,763 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-20 10:31:15,819 INFO L130 PetriNetUnfolder]: 319/1136 cut-off events. [2022-11-20 10:31:15,819 INFO L131 PetriNetUnfolder]: For 37/60 co-relation queries the response was YES. [2022-11-20 10:31:15,825 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. [2022-11-20 10:31:15,827 INFO L137 encePairwiseOnDemand]: 178/180 looper letters, 0 selfloop transitions, 0 changer transitions 133/133 dead transitions. [2022-11-20 10:31:15,827 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 133 transitions, 326 flow [2022-11-20 10:31:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:31:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 461 transitions. [2022-11-20 10:31:15,829 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8537037037037037 [2022-11-20 10:31:15,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 461 transitions. [2022-11-20 10:31:15,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 461 transitions. [2022-11-20 10:31:15,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:15,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 461 transitions. [2022-11-20 10:31:15,831 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) [2022-11-20 10:31:15,832 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) [2022-11-20 10:31:15,833 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) [2022-11-20 10:31:15,833 INFO L175 Difference]: Start difference. First operand has 140 places, 134 transitions, 302 flow. Second operand 3 states and 461 transitions. [2022-11-20 10:31:15,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 133 transitions, 326 flow [2022-11-20 10:31:15,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 133 transitions, 325 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:31:15,835 INFO L231 Difference]: Finished difference. Result has 140 places, 0 transitions, 0 flow [2022-11-20 10:31:15,836 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} [2022-11-20 10:31:15,836 INFO L288 CegarLoopForPetriNet]: 159 programPoint places, -19 predicate places. [2022-11-20 10:31:15,837 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 0 transitions, 0 flow [2022-11-20 10:31:15,837 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) [2022-11-20 10:31:15,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2022-11-20 10:31:15,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2022-11-20 10:31:15,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2022-11-20 10:31:15,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2022-11-20 10:31:15,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2022-11-20 10:31:15,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2022-11-20 10:31:15,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2022-11-20 10:31:15,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2022-11-20 10:31:15,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2022-11-20 10:31:15,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2022-11-20 10:31:15,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2022-11-20 10:31:15,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2022-11-20 10:31:15,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2022-11-20 10:31:15,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2022-11-20 10:31:15,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2022-11-20 10:31:15,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2022-11-20 10:31:15,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2022-11-20 10:31:15,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 39 remaining) [2022-11-20 10:31:15,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 39 remaining) [2022-11-20 10:31:15,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 39 remaining) [2022-11-20 10:31:15,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 39 remaining) [2022-11-20 10:31:15,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2022-11-20 10:31:15,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2022-11-20 10:31:15,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2022-11-20 10:31:15,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2022-11-20 10:31:15,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2022-11-20 10:31:15,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2022-11-20 10:31:15,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2022-11-20 10:31:15,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2022-11-20 10:31:15,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2022-11-20 10:31:15,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2022-11-20 10:31:15,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2022-11-20 10:31:15,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2022-11-20 10:31:15,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2022-11-20 10:31:15,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2022-11-20 10:31:15,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2022-11-20 10:31:15,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2022-11-20 10:31:15,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2022-11-20 10:31:15,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2022-11-20 10:31:15,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:31:15,850 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:15,855 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:31:15,856 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:31:15,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:31:15 BasicIcfg [2022-11-20 10:31:15,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:31:15,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:31:15,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:31:15,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:31:15,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:08" (3/4) ... [2022-11-20 10:31:15,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:31:15,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 10:31:15,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 10:31:15,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 10:31:15,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-20 10:31:15,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 10:31:15,876 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:31:15,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:31:15,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:31:15,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:31:15,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:31:15,911 INFO L158 Benchmark]: Toolchain (without parser) took 9041.91ms. Allocated memory was 172.0MB in the beginning and 555.7MB in the end (delta: 383.8MB). Free memory was 125.1MB in the beginning and 209.8MB in the end (delta: -84.7MB). Peak memory consumption was 301.9MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,912 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:31:15,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.96ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 113.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.75ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,913 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 172.0MB. Free memory was 111.0MB in the beginning and 108.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,913 INFO L158 Benchmark]: RCFGBuilder took 855.14ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 81.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,913 INFO L158 Benchmark]: TraceAbstraction took 7701.95ms. Allocated memory was 172.0MB in the beginning and 555.7MB in the end (delta: 383.8MB). Free memory was 81.1MB in the beginning and 212.9MB in the end (delta: -131.9MB). Peak memory consumption was 253.7MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,914 INFO L158 Benchmark]: Witness Printer took 49.18ms. Allocated memory is still 555.7MB. Free memory was 212.9MB in the beginning and 209.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:31:15,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.96ms. Allocated memory is still 172.0MB. Free memory was 124.7MB in the beginning and 113.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.75ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 172.0MB. Free memory was 111.0MB in the beginning and 108.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.14ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 81.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7701.95ms. Allocated memory was 172.0MB in the beginning and 555.7MB in the end (delta: 383.8MB). Free memory was 81.1MB in the beginning and 212.9MB in the end (delta: -131.9MB). Peak memory consumption was 253.7MB. Max. memory is 16.1GB. * Witness Printer took 49.18ms. Allocated memory is still 555.7MB. Free memory was 212.9MB in the beginning and 209.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 7.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.6s 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s 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! [2022-11-20 10:31:15,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdbb58d-a5c3-4552-9d7d-599d1192bbf5/bin/uautomizer-ug76WZFUDN/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