./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/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_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/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_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/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 d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 --- 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 10:30:14,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:14,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:14,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:14,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:14,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:14,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:14,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:14,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:14,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:14,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:14,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:14,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:14,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:14,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:14,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:14,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:14,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:14,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:14,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:14,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:14,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:14,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:14,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:14,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:14,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:14,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:14,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:14,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:14,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:14,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:14,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:14,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:14,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:14,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:14,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:14,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:14,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:14,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:15,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:15,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:15,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:30:15,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:15,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:15,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:15,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:15,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:15,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:15,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:15,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:15,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:15,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:15,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:15,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:30:15,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:15,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:15,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:15,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:15,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:15,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:15,060 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:30:15,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:15,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:15,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:15,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:15,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:15,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:15,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:15,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:15,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:15,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:15,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:15,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:15,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:15,064 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:15,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:15,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:15,065 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_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 [2022-11-20 10:30:15,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:15,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:15,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:15,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:15,391 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:15,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-11-20 10:30:18,500 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:18,705 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:18,706 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-11-20 10:30:18,712 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/data/d6948e1e1/16cd5e1a9c7f42a9b287c94b4a946263/FLAG8dcf432d2 [2022-11-20 10:30:18,727 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/data/d6948e1e1/16cd5e1a9c7f42a9b287c94b4a946263 [2022-11-20 10:30:18,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:18,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:18,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:18,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:18,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:18,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:18" (1/1) ... [2022-11-20 10:30:18,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f96c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:18, skipping insertion in model container [2022-11-20 10:30:18,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:18" (1/1) ... [2022-11-20 10:30:18,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:18,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:19,025 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_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-11-20 10:30:19,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:19,056 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:19,132 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_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-11-20 10:30:19,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:19,167 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:19,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19 WrapperNode [2022-11-20 10:30:19,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:19,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:19,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:19,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:19,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,266 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 419 [2022-11-20 10:30:19,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:19,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:19,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:19,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:19,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,352 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:19,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:19,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:19,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:19,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (1/1) ... [2022-11-20 10:30:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:19,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:19,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:19,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:30:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:30:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 10:30:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 10:30:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 10:30:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 10:30:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 10:30:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 10:30:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 10:30:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 10:30:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:30:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:30:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:30:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:19,479 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 10:30:19,610 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:19,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:20,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:20,965 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:20,965 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:30:20,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:20 BoogieIcfgContainer [2022-11-20 10:30:20,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:20,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:20,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:20,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:20,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:18" (1/3) ... [2022-11-20 10:30:20,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220e047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:20, skipping insertion in model container [2022-11-20 10:30:20,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:19" (2/3) ... [2022-11-20 10:30:20,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220e047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:20, skipping insertion in model container [2022-11-20 10:30:20,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:20" (3/3) ... [2022-11-20 10:30:20,983 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2022-11-20 10:30:20,996 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:30:21,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:21,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2022-11-20 10:30:21,009 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:30:21,175 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-11-20 10:30:21,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 342 transitions, 728 flow [2022-11-20 10:30:21,350 INFO L130 PetriNetUnfolder]: 14/321 cut-off events. [2022-11-20 10:30:21,351 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 10:30:21,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 321 events. 14/321 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 519 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 261. Up to 3 conditions per place. [2022-11-20 10:30:21,360 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 342 transitions, 728 flow [2022-11-20 10:30:21,371 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 303 places, 303 transitions, 636 flow [2022-11-20 10:30:21,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:21,402 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;@2ecaf6b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:21,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2022-11-20 10:30:21,416 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-11-20 10:30:21,416 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:30:21,417 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:21,418 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] [2022-11-20 10:30:21,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:21,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:21,429 INFO L85 PathProgramCache]: Analyzing trace with hash -659159186, now seen corresponding path program 1 times [2022-11-20 10:30:21,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:21,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962469367] [2022-11-20 10:30:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:21,720 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 10:30:21,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:21,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962469367] [2022-11-20 10:30:21,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962469367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:21,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:21,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:21,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921694247] [2022-11-20 10:30:21,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:21,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:21,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:21,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:21,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:21,794 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 344 [2022-11-20 10:30:21,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 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 10:30:21,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:21,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 344 [2022-11-20 10:30:21,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:22,182 INFO L130 PetriNetUnfolder]: 191/781 cut-off events. [2022-11-20 10:30:22,182 INFO L131 PetriNetUnfolder]: For 144/276 co-relation queries the response was YES. [2022-11-20 10:30:22,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 781 events. 191/781 cut-off events. For 144/276 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3154 event pairs, 111 based on Foata normal form. 63/754 useless extension candidates. Maximal degree in co-relation 973. Up to 295 conditions per place. [2022-11-20 10:30:22,193 INFO L137 encePairwiseOnDemand]: 291/344 looper letters, 30 selfloop transitions, 2 changer transitions 3/252 dead transitions. [2022-11-20 10:30:22,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 252 transitions, 598 flow [2022-11-20 10:30:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2022-11-20 10:30:22,209 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8217054263565892 [2022-11-20 10:30:22,210 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 848 transitions. [2022-11-20 10:30:22,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 848 transitions. [2022-11-20 10:30:22,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:22,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 848 transitions. [2022-11-20 10:30:22,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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 10:30:22,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:22,229 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:22,231 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 636 flow. Second operand 3 states and 848 transitions. [2022-11-20 10:30:22,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 252 transitions, 598 flow [2022-11-20 10:30:22,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 252 transitions, 578 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-20 10:30:22,242 INFO L231 Difference]: Finished difference. Result has 253 places, 249 transitions, 512 flow [2022-11-20 10:30:22,244 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=253, PETRI_TRANSITIONS=249} [2022-11-20 10:30:22,248 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -50 predicate places. [2022-11-20 10:30:22,248 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 249 transitions, 512 flow [2022-11-20 10:30:22,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 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 10:30:22,249 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:22,249 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] [2022-11-20 10:30:22,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:22,249 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:22,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1489237360, now seen corresponding path program 1 times [2022-11-20 10:30:22,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:22,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340975810] [2022-11-20 10:30:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:22,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:22,354 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 10:30:22,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:22,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340975810] [2022-11-20 10:30:22,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340975810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:22,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:22,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48421154] [2022-11-20 10:30:22,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:22,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:22,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:22,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:22,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:22,360 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-20 10:30:22,375 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 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 10:30:22,375 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:22,375 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-20 10:30:22,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:22,630 INFO L130 PetriNetUnfolder]: 191/777 cut-off events. [2022-11-20 10:30:22,630 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:22,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 777 events. 191/777 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3160 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1078. Up to 292 conditions per place. [2022-11-20 10:30:22,640 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 27 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2022-11-20 10:30:22,640 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 248 transitions, 568 flow [2022-11-20 10:30:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 804 transitions. [2022-11-20 10:30:22,643 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7790697674418605 [2022-11-20 10:30:22,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 804 transitions. [2022-11-20 10:30:22,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 804 transitions. [2022-11-20 10:30:22,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:22,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 804 transitions. [2022-11-20 10:30:22,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 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 10:30:22,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:22,650 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:22,650 INFO L175 Difference]: Start difference. First operand has 253 places, 249 transitions, 512 flow. Second operand 3 states and 804 transitions. [2022-11-20 10:30:22,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 248 transitions, 568 flow [2022-11-20 10:30:22,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:22,663 INFO L231 Difference]: Finished difference. Result has 249 places, 248 transitions, 510 flow [2022-11-20 10:30:22,664 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=249, PETRI_TRANSITIONS=248} [2022-11-20 10:30:22,664 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -54 predicate places. [2022-11-20 10:30:22,665 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 248 transitions, 510 flow [2022-11-20 10:30:22,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 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 10:30:22,666 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:22,666 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] [2022-11-20 10:30:22,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:22,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:22,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:22,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1345399018, now seen corresponding path program 1 times [2022-11-20 10:30:22,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:22,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632790494] [2022-11-20 10:30:22,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:22,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:22,771 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 10:30:22,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:22,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632790494] [2022-11-20 10:30:22,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632790494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:22,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:22,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:22,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721415445] [2022-11-20 10:30:22,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:22,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:22,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:22,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:22,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:22,777 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:22,778 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:22,778 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:22,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:22,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:23,072 INFO L130 PetriNetUnfolder]: 191/776 cut-off events. [2022-11-20 10:30:23,073 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:23,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 776 events. 191/776 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3139 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1067. Up to 289 conditions per place. [2022-11-20 10:30:23,080 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2022-11-20 10:30:23,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 247 transitions, 560 flow [2022-11-20 10:30:23,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:23,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-20 10:30:23,084 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-20 10:30:23,084 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:23,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 10:30:23,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:23,091 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:23,091 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 510 flow. Second operand 3 states and 810 transitions. [2022-11-20 10:30:23,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 247 transitions, 560 flow [2022-11-20 10:30:23,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 247 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:23,097 INFO L231 Difference]: Finished difference. Result has 248 places, 247 transitions, 508 flow [2022-11-20 10:30:23,098 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=248, PETRI_TRANSITIONS=247} [2022-11-20 10:30:23,099 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -55 predicate places. [2022-11-20 10:30:23,099 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 247 transitions, 508 flow [2022-11-20 10:30:23,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:23,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:23,100 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] [2022-11-20 10:30:23,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:23,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:23,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:23,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1642757566, now seen corresponding path program 1 times [2022-11-20 10:30:23,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:23,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516690663] [2022-11-20 10:30:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:23,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,150 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 10:30:23,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:23,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516690663] [2022-11-20 10:30:23,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516690663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:23,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:23,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:23,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853771532] [2022-11-20 10:30:23,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:23,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:23,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:23,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:23,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:23,155 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:23,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:23,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:23,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:23,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:23,421 INFO L130 PetriNetUnfolder]: 191/775 cut-off events. [2022-11-20 10:30:23,422 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:23,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 775 events. 191/775 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3141 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1059. Up to 289 conditions per place. [2022-11-20 10:30:23,429 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/246 dead transitions. [2022-11-20 10:30:23,429 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 246 transitions, 558 flow [2022-11-20 10:30:23,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-20 10:30:23,436 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-20 10:30:23,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:23,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 10:30:23,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:23,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:23,449 INFO L175 Difference]: Start difference. First operand has 248 places, 247 transitions, 508 flow. Second operand 3 states and 810 transitions. [2022-11-20 10:30:23,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 246 transitions, 558 flow [2022-11-20 10:30:23,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 246 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:23,455 INFO L231 Difference]: Finished difference. Result has 247 places, 246 transitions, 506 flow [2022-11-20 10:30:23,455 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=247, PETRI_TRANSITIONS=246} [2022-11-20 10:30:23,457 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -56 predicate places. [2022-11-20 10:30:23,457 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 246 transitions, 506 flow [2022-11-20 10:30:23,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:23,458 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:23,458 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:23,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:23,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:23,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2047707957, now seen corresponding path program 1 times [2022-11-20 10:30:23,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:23,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178000400] [2022-11-20 10:30:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:23,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,522 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 10:30:23,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:23,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178000400] [2022-11-20 10:30:23,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178000400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:23,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:23,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:23,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792928672] [2022-11-20 10:30:23,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:23,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:23,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:23,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:23,527 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:23,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:23,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:23,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:23,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:23,755 INFO L130 PetriNetUnfolder]: 191/774 cut-off events. [2022-11-20 10:30:23,755 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:23,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 774 events. 191/774 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3156 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1051. Up to 289 conditions per place. [2022-11-20 10:30:23,762 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/245 dead transitions. [2022-11-20 10:30:23,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 245 transitions, 556 flow [2022-11-20 10:30:23,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-20 10:30:23,765 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-20 10:30:23,765 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:23,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-20 10:30:23,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 10:30:23,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:23,772 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:23,772 INFO L175 Difference]: Start difference. First operand has 247 places, 246 transitions, 506 flow. Second operand 3 states and 810 transitions. [2022-11-20 10:30:23,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 245 transitions, 556 flow [2022-11-20 10:30:23,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:23,777 INFO L231 Difference]: Finished difference. Result has 246 places, 245 transitions, 504 flow [2022-11-20 10:30:23,778 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=246, PETRI_TRANSITIONS=245} [2022-11-20 10:30:23,778 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -57 predicate places. [2022-11-20 10:30:23,779 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 245 transitions, 504 flow [2022-11-20 10:30:23,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:23,780 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:23,780 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] [2022-11-20 10:30:23,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:30:23,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:23,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:23,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1400863303, now seen corresponding path program 1 times [2022-11-20 10:30:23,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:23,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141274831] [2022-11-20 10:30:23,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:23,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:23,836 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 10:30:23,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:23,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141274831] [2022-11-20 10:30:23,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141274831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:23,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:23,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:23,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324714773] [2022-11-20 10:30:23,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:23,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:23,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:23,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:23,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:23,841 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-20 10:30:23,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 245 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 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 10:30:23,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:23,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-20 10:30:23,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:24,069 INFO L130 PetriNetUnfolder]: 191/773 cut-off events. [2022-11-20 10:30:24,070 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:24,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 773 events. 191/773 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3140 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1045. Up to 291 conditions per place. [2022-11-20 10:30:24,077 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 26 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2022-11-20 10:30:24,077 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 244 transitions, 558 flow [2022-11-20 10:30:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:24,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-20 10:30:24,080 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781007751937985 [2022-11-20 10:30:24,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-20 10:30:24,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-20 10:30:24,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:24,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-20 10:30:24,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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 10:30:24,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,087 INFO L175 Difference]: Start difference. First operand has 246 places, 245 transitions, 504 flow. Second operand 3 states and 803 transitions. [2022-11-20 10:30:24,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 244 transitions, 558 flow [2022-11-20 10:30:24,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 244 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:24,093 INFO L231 Difference]: Finished difference. Result has 245 places, 244 transitions, 502 flow [2022-11-20 10:30:24,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=245, PETRI_TRANSITIONS=244} [2022-11-20 10:30:24,094 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -58 predicate places. [2022-11-20 10:30:24,095 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 244 transitions, 502 flow [2022-11-20 10:30:24,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 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 10:30:24,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:24,096 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 10:30:24,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:30:24,096 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:24,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1343961844, now seen corresponding path program 1 times [2022-11-20 10:30:24,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:24,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021635238] [2022-11-20 10:30:24,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:24,138 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 10:30:24,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:24,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021635238] [2022-11-20 10:30:24,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021635238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:24,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:24,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:24,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747730174] [2022-11-20 10:30:24,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:24,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:24,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:24,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:24,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:24,143 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:24,144 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:24,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:24,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:24,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:24,351 INFO L130 PetriNetUnfolder]: 191/772 cut-off events. [2022-11-20 10:30:24,352 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:24,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 772 events. 191/772 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3140 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1035. Up to 289 conditions per place. [2022-11-20 10:30:24,360 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2022-11-20 10:30:24,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 552 flow [2022-11-20 10:30:24,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-20 10:30:24,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-20 10:30:24,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-20 10:30:24,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-20 10:30:24,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:24,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-20 10:30:24,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 10:30:24,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,370 INFO L175 Difference]: Start difference. First operand has 245 places, 244 transitions, 502 flow. Second operand 3 states and 810 transitions. [2022-11-20 10:30:24,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 552 flow [2022-11-20 10:30:24,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 243 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:24,375 INFO L231 Difference]: Finished difference. Result has 244 places, 243 transitions, 500 flow [2022-11-20 10:30:24,376 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=244, PETRI_TRANSITIONS=243} [2022-11-20 10:30:24,377 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -59 predicate places. [2022-11-20 10:30:24,377 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 243 transitions, 500 flow [2022-11-20 10:30:24,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:24,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:24,378 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] [2022-11-20 10:30:24,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:30:24,378 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:24,379 INFO L85 PathProgramCache]: Analyzing trace with hash 380598263, now seen corresponding path program 1 times [2022-11-20 10:30:24,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:24,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049991410] [2022-11-20 10:30:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:24,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:24,426 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 10:30:24,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:24,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049991410] [2022-11-20 10:30:24,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049991410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:24,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:24,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:24,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722890455] [2022-11-20 10:30:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:24,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:24,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:24,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:24,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:24,431 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:24,432 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 243 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:24,432 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:24,432 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:24,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:24,643 INFO L130 PetriNetUnfolder]: 191/771 cut-off events. [2022-11-20 10:30:24,643 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:24,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 771 events. 191/771 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3137 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1027. Up to 289 conditions per place. [2022-11-20 10:30:24,650 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2022-11-20 10:30:24,650 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 242 transitions, 550 flow [2022-11-20 10:30:24,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-20 10:30:24,653 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-20 10:30:24,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-20 10:30:24,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-20 10:30:24,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:24,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-20 10:30:24,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 10:30:24,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,659 INFO L175 Difference]: Start difference. First operand has 244 places, 243 transitions, 500 flow. Second operand 3 states and 810 transitions. [2022-11-20 10:30:24,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 242 transitions, 550 flow [2022-11-20 10:30:24,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 242 transitions, 546 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:24,665 INFO L231 Difference]: Finished difference. Result has 243 places, 242 transitions, 498 flow [2022-11-20 10:30:24,665 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=243, PETRI_TRANSITIONS=242} [2022-11-20 10:30:24,666 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -60 predicate places. [2022-11-20 10:30:24,666 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 242 transitions, 498 flow [2022-11-20 10:30:24,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:24,667 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:24,667 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] [2022-11-20 10:30:24,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:30:24,668 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:24,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1008928072, now seen corresponding path program 1 times [2022-11-20 10:30:24,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:24,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226737802] [2022-11-20 10:30:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:24,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:24,713 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 10:30:24,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:24,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226737802] [2022-11-20 10:30:24,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226737802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:24,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:24,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:24,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881264180] [2022-11-20 10:30:24,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:24,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:24,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:24,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:24,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:24,717 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-20 10:30:24,718 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 242 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 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 10:30:24,719 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:24,719 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-20 10:30:24,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:24,904 INFO L130 PetriNetUnfolder]: 191/769 cut-off events. [2022-11-20 10:30:24,904 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:24,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 769 events. 191/769 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3161 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1018. Up to 289 conditions per place. [2022-11-20 10:30:24,911 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 26 selfloop transitions, 1 changer transitions 0/240 dead transitions. [2022-11-20 10:30:24,912 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 240 transitions, 548 flow [2022-11-20 10:30:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-20 10:30:24,914 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781007751937985 [2022-11-20 10:30:24,915 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-20 10:30:24,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-20 10:30:24,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:24,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-20 10:30:24,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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 10:30:24,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,920 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:24,921 INFO L175 Difference]: Start difference. First operand has 243 places, 242 transitions, 498 flow. Second operand 3 states and 803 transitions. [2022-11-20 10:30:24,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 240 transitions, 548 flow [2022-11-20 10:30:24,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 240 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:24,926 INFO L231 Difference]: Finished difference. Result has 241 places, 240 transitions, 492 flow [2022-11-20 10:30:24,927 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=240} [2022-11-20 10:30:24,927 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-20 10:30:24,928 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 240 transitions, 492 flow [2022-11-20 10:30:24,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 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 10:30:24,929 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:24,929 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:24,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:30:24,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:24,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:24,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1334570147, now seen corresponding path program 1 times [2022-11-20 10:30:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:24,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739244994] [2022-11-20 10:30:24,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:24,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:25,003 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 10:30:25,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:25,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739244994] [2022-11-20 10:30:25,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739244994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:25,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:25,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:25,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304803720] [2022-11-20 10:30:25,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:25,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:25,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:25,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:25,008 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:25,009 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 240 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:25,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:25,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:25,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:25,235 INFO L130 PetriNetUnfolder]: 191/768 cut-off events. [2022-11-20 10:30:25,235 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:25,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 768 events. 191/768 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3139 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1016. Up to 289 conditions per place. [2022-11-20 10:30:25,242 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2022-11-20 10:30:25,243 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 239 transitions, 542 flow [2022-11-20 10:30:25,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-20 10:30:25,246 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-20 10:30:25,246 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-20 10:30:25,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-20 10:30:25,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:25,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-20 10:30:25,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 10:30:25,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:25,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:25,252 INFO L175 Difference]: Start difference. First operand has 241 places, 240 transitions, 492 flow. Second operand 3 states and 810 transitions. [2022-11-20 10:30:25,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 239 transitions, 542 flow [2022-11-20 10:30:25,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 239 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:25,257 INFO L231 Difference]: Finished difference. Result has 241 places, 239 transitions, 493 flow [2022-11-20 10:30:25,258 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=241, PETRI_TRANSITIONS=239} [2022-11-20 10:30:25,259 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-20 10:30:25,259 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 239 transitions, 493 flow [2022-11-20 10:30:25,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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 10:30:25,260 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:25,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:25,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:30:25,261 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:25,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:25,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1214721743, now seen corresponding path program 1 times [2022-11-20 10:30:25,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:25,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108842145] [2022-11-20 10:30:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:25,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:25,827 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 10:30:25,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:25,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108842145] [2022-11-20 10:30:25,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108842145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:25,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:25,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:25,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815579170] [2022-11-20 10:30:25,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:25,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:25,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:25,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:25,833 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 344 [2022-11-20 10:30:25,834 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 239 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 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 10:30:25,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:25,835 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 344 [2022-11-20 10:30:25,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:29,220 INFO L130 PetriNetUnfolder]: 9005/12604 cut-off events. [2022-11-20 10:30:29,221 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 10:30:29,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24476 conditions, 12604 events. 9005/12604 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 69593 event pairs, 6801 based on Foata normal form. 0/11649 useless extension candidates. Maximal degree in co-relation 24392. Up to 11655 conditions per place. [2022-11-20 10:30:29,335 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 56 selfloop transitions, 5 changer transitions 0/238 dead transitions. [2022-11-20 10:30:29,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 238 transitions, 613 flow [2022-11-20 10:30:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2022-11-20 10:30:29,339 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6695736434108527 [2022-11-20 10:30:29,339 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2022-11-20 10:30:29,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2022-11-20 10:30:29,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:29,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2022-11-20 10:30:29,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 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 10:30:29,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:29,348 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:29,349 INFO L175 Difference]: Start difference. First operand has 241 places, 239 transitions, 493 flow. Second operand 6 states and 1382 transitions. [2022-11-20 10:30:29,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 238 transitions, 613 flow [2022-11-20 10:30:29,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 238 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:29,355 INFO L231 Difference]: Finished difference. Result has 243 places, 238 transitions, 497 flow [2022-11-20 10:30:29,355 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=497, PETRI_PLACES=243, PETRI_TRANSITIONS=238} [2022-11-20 10:30:29,357 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -60 predicate places. [2022-11-20 10:30:29,358 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 238 transitions, 497 flow [2022-11-20 10:30:29,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 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 10:30:29,359 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:29,359 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, 1, 1, 1, 1, 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 10:30:29,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:30:29,359 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:29,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:29,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1140007191, now seen corresponding path program 1 times [2022-11-20 10:30:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:29,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094448571] [2022-11-20 10:30:29,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:29,940 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 10:30:29,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:29,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094448571] [2022-11-20 10:30:29,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094448571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:29,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:29,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:29,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677336392] [2022-11-20 10:30:29,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:29,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:29,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:29,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:29,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:29,945 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 344 [2022-11-20 10:30:29,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 238 transitions, 497 flow. Second operand has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 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 10:30:29,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:29,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 344 [2022-11-20 10:30:29,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:33,112 INFO L130 PetriNetUnfolder]: 9005/12223 cut-off events. [2022-11-20 10:30:33,113 INFO L131 PetriNetUnfolder]: For 85/105 co-relation queries the response was YES. [2022-11-20 10:30:33,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24090 conditions, 12223 events. 9005/12223 cut-off events. For 85/105 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 67214 event pairs, 1810 based on Foata normal form. 16/11680 useless extension candidates. Maximal degree in co-relation 24067. Up to 3377 conditions per place. [2022-11-20 10:30:33,200 INFO L137 encePairwiseOnDemand]: 339/344 looper letters, 165 selfloop transitions, 4 changer transitions 0/353 dead transitions. [2022-11-20 10:30:33,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 353 transitions, 1089 flow [2022-11-20 10:30:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1520 transitions. [2022-11-20 10:30:33,205 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7364341085271318 [2022-11-20 10:30:33,205 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1520 transitions. [2022-11-20 10:30:33,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1520 transitions. [2022-11-20 10:30:33,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:33,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1520 transitions. [2022-11-20 10:30:33,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.33333333333334) internal successors, (1520), 6 states have internal predecessors, (1520), 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 10:30:33,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:33,225 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:33,233 INFO L175 Difference]: Start difference. First operand has 243 places, 238 transitions, 497 flow. Second operand 6 states and 1520 transitions. [2022-11-20 10:30:33,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 353 transitions, 1089 flow [2022-11-20 10:30:33,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 353 transitions, 1079 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 10:30:33,240 INFO L231 Difference]: Finished difference. Result has 242 places, 237 transitions, 493 flow [2022-11-20 10:30:33,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=493, PETRI_PLACES=242, PETRI_TRANSITIONS=237} [2022-11-20 10:30:33,241 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -61 predicate places. [2022-11-20 10:30:33,243 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 237 transitions, 493 flow [2022-11-20 10:30:33,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 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 10:30:33,246 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:33,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:33,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:30:33,247 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:33,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:33,247 INFO L85 PathProgramCache]: Analyzing trace with hash 841345677, now seen corresponding path program 1 times [2022-11-20 10:30:33,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:33,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141565119] [2022-11-20 10:30:33,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:33,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:33,766 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 10:30:33,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:33,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141565119] [2022-11-20 10:30:33,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141565119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:33,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:33,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:33,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063025834] [2022-11-20 10:30:33,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:33,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:33,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:33,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:33,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:33,774 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 344 [2022-11-20 10:30:33,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 237 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 228.0) internal successors, (1368), 6 states have internal predecessors, (1368), 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 10:30:33,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:33,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 344 [2022-11-20 10:30:33,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:36,182 INFO L130 PetriNetUnfolder]: 7885/10967 cut-off events. [2022-11-20 10:30:36,182 INFO L131 PetriNetUnfolder]: For 1355/1355 co-relation queries the response was YES. [2022-11-20 10:30:36,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22938 conditions, 10967 events. 7885/10967 cut-off events. For 1355/1355 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 56900 event pairs, 1461 based on Foata normal form. 0/10672 useless extension candidates. Maximal degree in co-relation 22854. Up to 4395 conditions per place. [2022-11-20 10:30:36,250 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 112 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2022-11-20 10:30:36,250 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 300 transitions, 889 flow [2022-11-20 10:30:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1474 transitions. [2022-11-20 10:30:36,254 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7141472868217055 [2022-11-20 10:30:36,254 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1474 transitions. [2022-11-20 10:30:36,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1474 transitions. [2022-11-20 10:30:36,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:36,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1474 transitions. [2022-11-20 10:30:36,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 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 10:30:36,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:36,263 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:36,263 INFO L175 Difference]: Start difference. First operand has 242 places, 237 transitions, 493 flow. Second operand 6 states and 1474 transitions. [2022-11-20 10:30:36,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 300 transitions, 889 flow [2022-11-20 10:30:36,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 300 transitions, 854 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:36,270 INFO L231 Difference]: Finished difference. Result has 242 places, 236 transitions, 494 flow [2022-11-20 10:30:36,271 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=494, PETRI_PLACES=242, PETRI_TRANSITIONS=236} [2022-11-20 10:30:36,272 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -61 predicate places. [2022-11-20 10:30:36,272 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 236 transitions, 494 flow [2022-11-20 10:30:36,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.0) internal successors, (1368), 6 states have internal predecessors, (1368), 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 10:30:36,273 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:36,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:36,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:30:36,273 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:36,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:36,274 INFO L85 PathProgramCache]: Analyzing trace with hash 135967808, now seen corresponding path program 1 times [2022-11-20 10:30:36,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:36,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459516333] [2022-11-20 10:30:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:36,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:37,000 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 10:30:37,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:37,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459516333] [2022-11-20 10:30:37,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459516333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:37,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:37,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:37,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202119177] [2022-11-20 10:30:37,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:37,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:37,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:37,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:37,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:37,007 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 344 [2022-11-20 10:30:37,009 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 236 transitions, 494 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 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 10:30:37,009 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:37,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 344 [2022-11-20 10:30:37,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:39,441 INFO L130 PetriNetUnfolder]: 7195/10508 cut-off events. [2022-11-20 10:30:39,441 INFO L131 PetriNetUnfolder]: For 403/403 co-relation queries the response was YES. [2022-11-20 10:30:39,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21376 conditions, 10508 events. 7195/10508 cut-off events. For 403/403 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 59588 event pairs, 4527 based on Foata normal form. 0/10099 useless extension candidates. Maximal degree in co-relation 21292. Up to 7814 conditions per place. [2022-11-20 10:30:39,552 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 99 selfloop transitions, 5 changer transitions 0/287 dead transitions. [2022-11-20 10:30:39,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 287 transitions, 812 flow [2022-11-20 10:30:39,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:39,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1461 transitions. [2022-11-20 10:30:39,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7078488372093024 [2022-11-20 10:30:39,557 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1461 transitions. [2022-11-20 10:30:39,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1461 transitions. [2022-11-20 10:30:39,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:39,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1461 transitions. [2022-11-20 10:30:39,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 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 10:30:39,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:39,567 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:39,567 INFO L175 Difference]: Start difference. First operand has 242 places, 236 transitions, 494 flow. Second operand 6 states and 1461 transitions. [2022-11-20 10:30:39,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 287 transitions, 812 flow [2022-11-20 10:30:39,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 287 transitions, 802 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 10:30:39,583 INFO L231 Difference]: Finished difference. Result has 241 places, 235 transitions, 492 flow [2022-11-20 10:30:39,584 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=235} [2022-11-20 10:30:39,584 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-20 10:30:39,585 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 235 transitions, 492 flow [2022-11-20 10:30:39,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 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 10:30:39,585 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:39,586 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:39,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:30:39,586 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:39,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:39,587 INFO L85 PathProgramCache]: Analyzing trace with hash 293008307, now seen corresponding path program 1 times [2022-11-20 10:30:39,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:39,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493977889] [2022-11-20 10:30:39,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:39,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:40,421 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 10:30:40,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:40,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493977889] [2022-11-20 10:30:40,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493977889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:40,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:40,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:30:40,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415853846] [2022-11-20 10:30:40,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:40,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:40,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:40,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:40,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:40,425 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 344 [2022-11-20 10:30:40,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 235 transitions, 492 flow. Second operand has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 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 10:30:40,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:40,428 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 344 [2022-11-20 10:30:40,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:43,053 INFO L130 PetriNetUnfolder]: 6842/9806 cut-off events. [2022-11-20 10:30:43,053 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2022-11-20 10:30:43,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19548 conditions, 9806 events. 6842/9806 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 53479 event pairs, 5129 based on Foata normal form. 0/9609 useless extension candidates. Maximal degree in co-relation 19462. Up to 8865 conditions per place. [2022-11-20 10:30:43,150 INFO L137 encePairwiseOnDemand]: 339/344 looper letters, 62 selfloop transitions, 4 changer transitions 0/250 dead transitions. [2022-11-20 10:30:43,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 250 transitions, 654 flow [2022-11-20 10:30:43,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:30:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:30:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1417 transitions. [2022-11-20 10:30:43,156 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.686531007751938 [2022-11-20 10:30:43,156 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1417 transitions. [2022-11-20 10:30:43,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1417 transitions. [2022-11-20 10:30:43,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:43,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1417 transitions. [2022-11-20 10:30:43,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.16666666666666) internal successors, (1417), 6 states have internal predecessors, (1417), 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 10:30:43,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:43,166 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 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 10:30:43,166 INFO L175 Difference]: Start difference. First operand has 241 places, 235 transitions, 492 flow. Second operand 6 states and 1417 transitions. [2022-11-20 10:30:43,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 250 transitions, 654 flow [2022-11-20 10:30:43,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 250 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 10:30:43,176 INFO L231 Difference]: Finished difference. Result has 240 places, 234 transitions, 488 flow [2022-11-20 10:30:43,177 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=488, PETRI_PLACES=240, PETRI_TRANSITIONS=234} [2022-11-20 10:30:43,179 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -63 predicate places. [2022-11-20 10:30:43,179 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 234 transitions, 488 flow [2022-11-20 10:30:43,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 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 10:30:43,180 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:43,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:43,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:30:43,181 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:43,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1531047423, now seen corresponding path program 1 times [2022-11-20 10:30:43,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:43,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517281035] [2022-11-20 10:30:43,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:43,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:43,277 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 10:30:43,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:43,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517281035] [2022-11-20 10:30:43,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517281035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:43,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:43,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:43,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460206111] [2022-11-20 10:30:43,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:43,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:43,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:43,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:43,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:43,287 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:43,288 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 234 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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 10:30:43,289 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:43,289 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:43,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:43,460 INFO L130 PetriNetUnfolder]: 191/744 cut-off events. [2022-11-20 10:30:43,461 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:43,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 744 events. 191/744 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2945 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1045. Up to 288 conditions per place. [2022-11-20 10:30:43,467 INFO L137 encePairwiseOnDemand]: 342/344 looper letters, 24 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2022-11-20 10:30:43,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 233 transitions, 536 flow [2022-11-20 10:30:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-20 10:30:43,470 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7839147286821705 [2022-11-20 10:30:43,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-20 10:30:43,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-20 10:30:43,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:43,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-20 10:30:43,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 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 10:30:43,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:43,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:43,477 INFO L175 Difference]: Start difference. First operand has 240 places, 234 transitions, 488 flow. Second operand 3 states and 809 transitions. [2022-11-20 10:30:43,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 233 transitions, 536 flow [2022-11-20 10:30:43,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 233 transitions, 529 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:43,482 INFO L231 Difference]: Finished difference. Result has 237 places, 233 transitions, 481 flow [2022-11-20 10:30:43,483 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=237, PETRI_TRANSITIONS=233} [2022-11-20 10:30:43,483 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -66 predicate places. [2022-11-20 10:30:43,484 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 233 transitions, 481 flow [2022-11-20 10:30:43,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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 10:30:43,485 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:43,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:43,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:30:43,490 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-20 10:30:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash -997168157, now seen corresponding path program 1 times [2022-11-20 10:30:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:43,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622984212] [2022-11-20 10:30:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:43,636 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 10:30:43,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:43,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622984212] [2022-11-20 10:30:43,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622984212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:43,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:43,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:43,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714942464] [2022-11-20 10:30:43,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:43,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:43,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:43,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:43,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:43,639 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-20 10:30:43,640 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 233 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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 10:30:43,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:43,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-20 10:30:43,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:43,789 INFO L130 PetriNetUnfolder]: 191/743 cut-off events. [2022-11-20 10:30:43,789 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-20 10:30:43,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 743 events. 191/743 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2945 event pairs, 111 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 1072. Up to 288 conditions per place. [2022-11-20 10:30:43,793 INFO L137 encePairwiseOnDemand]: 342/344 looper letters, 0 selfloop transitions, 0 changer transitions 232/232 dead transitions. [2022-11-20 10:30:43,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 232 transitions, 527 flow [2022-11-20 10:30:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-20 10:30:43,796 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7829457364341085 [2022-11-20 10:30:43,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-20 10:30:43,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-20 10:30:43,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:43,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-20 10:30:43,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 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 10:30:43,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:43,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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 10:30:43,802 INFO L175 Difference]: Start difference. First operand has 237 places, 233 transitions, 481 flow. Second operand 3 states and 808 transitions. [2022-11-20 10:30:43,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 232 transitions, 527 flow [2022-11-20 10:30:43,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:43,805 INFO L231 Difference]: Finished difference. Result has 237 places, 0 transitions, 0 flow [2022-11-20 10:30:43,806 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=237, PETRI_TRANSITIONS=0} [2022-11-20 10:30:43,806 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -66 predicate places. [2022-11-20 10:30:43,807 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 0 transitions, 0 flow [2022-11-20 10:30:43,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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 10:30:43,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (111 of 112 remaining) [2022-11-20 10:30:43,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (110 of 112 remaining) [2022-11-20 10:30:43,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (109 of 112 remaining) [2022-11-20 10:30:43,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (108 of 112 remaining) [2022-11-20 10:30:43,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (107 of 112 remaining) [2022-11-20 10:30:43,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 112 remaining) [2022-11-20 10:30:43,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 112 remaining) [2022-11-20 10:30:43,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 112 remaining) [2022-11-20 10:30:43,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (103 of 112 remaining) [2022-11-20 10:30:43,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (102 of 112 remaining) [2022-11-20 10:30:43,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (101 of 112 remaining) [2022-11-20 10:30:43,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (100 of 112 remaining) [2022-11-20 10:30:43,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (99 of 112 remaining) [2022-11-20 10:30:43,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (98 of 112 remaining) [2022-11-20 10:30:43,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (97 of 112 remaining) [2022-11-20 10:30:43,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 112 remaining) [2022-11-20 10:30:43,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (95 of 112 remaining) [2022-11-20 10:30:43,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (94 of 112 remaining) [2022-11-20 10:30:43,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (93 of 112 remaining) [2022-11-20 10:30:43,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (92 of 112 remaining) [2022-11-20 10:30:43,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (91 of 112 remaining) [2022-11-20 10:30:43,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (90 of 112 remaining) [2022-11-20 10:30:43,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (89 of 112 remaining) [2022-11-20 10:30:43,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (88 of 112 remaining) [2022-11-20 10:30:43,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (87 of 112 remaining) [2022-11-20 10:30:43,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (86 of 112 remaining) [2022-11-20 10:30:43,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (85 of 112 remaining) [2022-11-20 10:30:43,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (84 of 112 remaining) [2022-11-20 10:30:43,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (83 of 112 remaining) [2022-11-20 10:30:43,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (82 of 112 remaining) [2022-11-20 10:30:43,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (81 of 112 remaining) [2022-11-20 10:30:43,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (80 of 112 remaining) [2022-11-20 10:30:43,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (79 of 112 remaining) [2022-11-20 10:30:43,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (78 of 112 remaining) [2022-11-20 10:30:43,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (77 of 112 remaining) [2022-11-20 10:30:43,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 112 remaining) [2022-11-20 10:30:43,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (75 of 112 remaining) [2022-11-20 10:30:43,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (74 of 112 remaining) [2022-11-20 10:30:43,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (73 of 112 remaining) [2022-11-20 10:30:43,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (72 of 112 remaining) [2022-11-20 10:30:43,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (71 of 112 remaining) [2022-11-20 10:30:43,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (70 of 112 remaining) [2022-11-20 10:30:43,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (69 of 112 remaining) [2022-11-20 10:30:43,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 112 remaining) [2022-11-20 10:30:43,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (67 of 112 remaining) [2022-11-20 10:30:43,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (66 of 112 remaining) [2022-11-20 10:30:43,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (65 of 112 remaining) [2022-11-20 10:30:43,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (64 of 112 remaining) [2022-11-20 10:30:43,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 112 remaining) [2022-11-20 10:30:43,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 112 remaining) [2022-11-20 10:30:43,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (61 of 112 remaining) [2022-11-20 10:30:43,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (60 of 112 remaining) [2022-11-20 10:30:43,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (59 of 112 remaining) [2022-11-20 10:30:43,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (58 of 112 remaining) [2022-11-20 10:30:43,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (57 of 112 remaining) [2022-11-20 10:30:43,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (56 of 112 remaining) [2022-11-20 10:30:43,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (55 of 112 remaining) [2022-11-20 10:30:43,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (54 of 112 remaining) [2022-11-20 10:30:43,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (53 of 112 remaining) [2022-11-20 10:30:43,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (52 of 112 remaining) [2022-11-20 10:30:43,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (51 of 112 remaining) [2022-11-20 10:30:43,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (50 of 112 remaining) [2022-11-20 10:30:43,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (49 of 112 remaining) [2022-11-20 10:30:43,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (48 of 112 remaining) [2022-11-20 10:30:43,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (47 of 112 remaining) [2022-11-20 10:30:43,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 112 remaining) [2022-11-20 10:30:43,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 112 remaining) [2022-11-20 10:30:43,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 112 remaining) [2022-11-20 10:30:43,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 112 remaining) [2022-11-20 10:30:43,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 112 remaining) [2022-11-20 10:30:43,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 112 remaining) [2022-11-20 10:30:43,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (40 of 112 remaining) [2022-11-20 10:30:43,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (39 of 112 remaining) [2022-11-20 10:30:43,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 112 remaining) [2022-11-20 10:30:43,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 112 remaining) [2022-11-20 10:30:43,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 112 remaining) [2022-11-20 10:30:43,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 112 remaining) [2022-11-20 10:30:43,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 112 remaining) [2022-11-20 10:30:43,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 112 remaining) [2022-11-20 10:30:43,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 112 remaining) [2022-11-20 10:30:43,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 112 remaining) [2022-11-20 10:30:43,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 112 remaining) [2022-11-20 10:30:43,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 112 remaining) [2022-11-20 10:30:43,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 112 remaining) [2022-11-20 10:30:43,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (27 of 112 remaining) [2022-11-20 10:30:43,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (26 of 112 remaining) [2022-11-20 10:30:43,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 112 remaining) [2022-11-20 10:30:43,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 112 remaining) [2022-11-20 10:30:43,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (23 of 112 remaining) [2022-11-20 10:30:43,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (22 of 112 remaining) [2022-11-20 10:30:43,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (21 of 112 remaining) [2022-11-20 10:30:43,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (20 of 112 remaining) [2022-11-20 10:30:43,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (19 of 112 remaining) [2022-11-20 10:30:43,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (18 of 112 remaining) [2022-11-20 10:30:43,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (17 of 112 remaining) [2022-11-20 10:30:43,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (16 of 112 remaining) [2022-11-20 10:30:43,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (15 of 112 remaining) [2022-11-20 10:30:43,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 112 remaining) [2022-11-20 10:30:43,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 112 remaining) [2022-11-20 10:30:43,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (12 of 112 remaining) [2022-11-20 10:30:43,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (11 of 112 remaining) [2022-11-20 10:30:43,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (10 of 112 remaining) [2022-11-20 10:30:43,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (9 of 112 remaining) [2022-11-20 10:30:43,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (8 of 112 remaining) [2022-11-20 10:30:43,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (7 of 112 remaining) [2022-11-20 10:30:43,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 112 remaining) [2022-11-20 10:30:43,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (5 of 112 remaining) [2022-11-20 10:30:43,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (4 of 112 remaining) [2022-11-20 10:30:43,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (3 of 112 remaining) [2022-11-20 10:30:43,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (2 of 112 remaining) [2022-11-20 10:30:43,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (1 of 112 remaining) [2022-11-20 10:30:43,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (0 of 112 remaining) [2022-11-20 10:30:43,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 10:30:43,836 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:43,844 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:30:43,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:30:43,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:30:43 BasicIcfg [2022-11-20 10:30:43,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:30:43,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:30:43,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:30:43,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:30:43,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:20" (3/4) ... [2022-11-20 10:30:43,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:30:43,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 10:30:43,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 10:30:43,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 10:30:43,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-20 10:30:43,869 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-20 10:30:43,870 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:30:43,870 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:30:43,870 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:30:43,948 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:30:43,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:30:43,949 INFO L158 Benchmark]: Toolchain (without parser) took 25216.87ms. Allocated memory was 132.1MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 94.9MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 443.8MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,949 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:43,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.26ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 81.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.87ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,950 INFO L158 Benchmark]: Boogie Preprocessor took 101.13ms. Allocated memory is still 132.1MB. Free memory was 78.1MB in the beginning and 75.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,951 INFO L158 Benchmark]: RCFGBuilder took 1598.67ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 75.2MB in the beginning and 124.3MB in the end (delta: -49.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,951 INFO L158 Benchmark]: TraceAbstraction took 22878.21ms. Allocated memory was 161.5MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 124.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 437.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,952 INFO L158 Benchmark]: Witness Printer took 97.04ms. Allocated memory is still 3.8GB. Free memory was 3.3GB in the beginning and 3.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:30:43,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.26ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 81.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.87ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.13ms. Allocated memory is still 132.1MB. Free memory was 78.1MB in the beginning and 75.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1598.67ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 75.2MB in the beginning and 124.3MB in the end (delta: -49.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 22878.21ms. Allocated memory was 161.5MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 124.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 437.3MB. Max. memory is 16.1GB. * Witness Printer took 97.04ms. Allocated memory is still 3.8GB. Free memory was 3.3GB in the beginning and 3.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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, 429 locations, 112 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: 22.6s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1712 IncrementalHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 187 mSDtfsCounter, 1712 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=636occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1763 ConstructedInterpolants, 0 QuantifiedInterpolants, 2226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 61 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:30:43,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5da5332-01d1-4e47-a7b9-4593b3faa2e4/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