./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.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_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/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_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/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_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/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 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --- 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 11:58:28,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:58:28,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:58:28,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:58:28,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:58:28,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:58:28,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:58:28,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:58:28,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:58:28,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:58:28,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:58:28,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:58:28,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:58:28,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:58:28,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:58:28,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:58:28,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:58:28,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:58:28,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:58:28,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:58:28,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:58:28,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:58:28,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:58:28,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:58:28,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:58:28,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:58:28,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:58:28,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:58:28,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:58:28,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:58:28,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:58:28,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:58:28,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:58:28,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:58:28,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:58:28,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:58:28,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:58:28,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:58:28,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:58:28,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:58:28,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:58:28,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:58:28,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:58:28,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:58:28,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:58:28,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:58:28,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:58:28,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:58:28,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:58:28,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:58:28,153 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:58:28,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:58:28,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:58:28,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:58:28,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:58:28,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:58:28,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:58:28,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:58:28,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:58:28,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:58:28,161 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:58:28,161 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:58:28,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:58:28,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:58:28,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:58:28,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:58:28,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:58:28,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:58:28,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:58:28,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:58:28,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:58:28,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:58:28,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:58:28,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:58:28,167 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:58:28,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:58:28,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:58:28,168 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_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 [2022-11-20 11:58:28,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:58:28,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:58:28,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:58:28,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:58:28,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:58:28,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-20 11:58:31,892 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:58:32,254 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:58:32,255 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-20 11:58:32,264 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/data/1c79092b6/60845d4aeabd4e8f981eefa2df80531b/FLAGe9ab7737c [2022-11-20 11:58:32,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/data/1c79092b6/60845d4aeabd4e8f981eefa2df80531b [2022-11-20 11:58:32,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:58:32,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:58:32,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:58:32,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:58:32,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:58:32,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1c267e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32, skipping insertion in model container [2022-11-20 11:58:32,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:58:32,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:58:32,558 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_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-20 11:58:32,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:58:32,573 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:58:32,616 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_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-20 11:58:32,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:58:32,634 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:58:32,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32 WrapperNode [2022-11-20 11:58:32,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:58:32,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:58:32,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:58:32,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:58:32,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,688 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-20 11:58:32,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:58:32,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:58:32,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:58:32,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:58:32,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:58:32,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:58:32,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:58:32,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:58:32,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (1/1) ... [2022-11-20 11:58:32,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:58:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:58:32,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:58:32,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:58:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:58:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:58:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:58:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:58:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:58:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:58:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:58:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 11:58:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 11:58:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:58:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:58:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:58:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:58:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:58:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:58:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:58:32,848 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 11:58:32,967 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:58:32,969 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:58:33,860 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:58:33,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:58:33,876 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 11:58:33,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:33 BoogieIcfgContainer [2022-11-20 11:58:33,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:58:33,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:58:33,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:58:33,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:58:33,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:58:32" (1/3) ... [2022-11-20 11:58:33,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569e71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:58:33, skipping insertion in model container [2022-11-20 11:58:33,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:58:32" (2/3) ... [2022-11-20 11:58:33,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569e71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:58:33, skipping insertion in model container [2022-11-20 11:58:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:33" (3/3) ... [2022-11-20 11:58:33,900 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-11-20 11:58:33,912 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:58:33,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:58:33,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-20 11:58:33,927 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:58:34,080 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 11:58:34,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 435 transitions, 902 flow [2022-11-20 11:58:34,528 INFO L130 PetriNetUnfolder]: 14/431 cut-off events. [2022-11-20 11:58:34,528 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 11:58:34,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 431 events. 14/431 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1156 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 301. Up to 2 conditions per place. [2022-11-20 11:58:34,555 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 435 transitions, 902 flow [2022-11-20 11:58:34,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 407 places, 406 transitions, 836 flow [2022-11-20 11:58:34,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:58:34,599 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;@4ee6de40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:58:34,599 INFO L358 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2022-11-20 11:58:34,605 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-20 11:58:34,606 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:58:34,606 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:34,607 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] [2022-11-20 11:58:34,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:34,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1093460191, now seen corresponding path program 1 times [2022-11-20 11:58:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:34,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739296646] [2022-11-20 11:58:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:34,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:34,952 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 11:58:34,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:34,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739296646] [2022-11-20 11:58:34,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739296646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:34,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:34,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:34,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517785941] [2022-11-20 11:58:34,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:34,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:34,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:34,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:35,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:35,007 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 435 [2022-11-20 11:58:35,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 406 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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 11:58:35,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:35,014 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 435 [2022-11-20 11:58:35,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:35,503 INFO L130 PetriNetUnfolder]: 127/691 cut-off events. [2022-11-20 11:58:35,504 INFO L131 PetriNetUnfolder]: For 140/147 co-relation queries the response was YES. [2022-11-20 11:58:35,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 691 events. 127/691 cut-off events. For 140/147 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3881 event pairs, 117 based on Foata normal form. 247/803 useless extension candidates. Maximal degree in co-relation 1066. Up to 294 conditions per place. [2022-11-20 11:58:35,546 INFO L137 encePairwiseOnDemand]: 427/435 looper letters, 59 selfloop transitions, 2 changer transitions 1/400 dead transitions. [2022-11-20 11:58:35,547 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 400 transitions, 946 flow [2022-11-20 11:58:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2022-11-20 11:58:35,578 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.89272030651341 [2022-11-20 11:58:35,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2022-11-20 11:58:35,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2022-11-20 11:58:35,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:35,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2022-11-20 11:58:35,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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 11:58:35,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:35,613 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:35,615 INFO L175 Difference]: Start difference. First operand has 407 places, 406 transitions, 836 flow. Second operand 3 states and 1165 transitions. [2022-11-20 11:58:35,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 400 transitions, 946 flow [2022-11-20 11:58:35,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 400 transitions, 930 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-20 11:58:35,645 INFO L231 Difference]: Finished difference. Result has 400 places, 399 transitions, 810 flow [2022-11-20 11:58:35,648 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=400, PETRI_TRANSITIONS=399} [2022-11-20 11:58:35,655 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -7 predicate places. [2022-11-20 11:58:35,656 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 399 transitions, 810 flow [2022-11-20 11:58:35,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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 11:58:35,657 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:35,658 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] [2022-11-20 11:58:35,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:58:35,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:35,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1895617542, now seen corresponding path program 1 times [2022-11-20 11:58:35,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:35,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882874477] [2022-11-20 11:58:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:35,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:35,828 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 11:58:35,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:35,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882874477] [2022-11-20 11:58:35,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882874477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:35,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:35,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:35,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952009338] [2022-11-20 11:58:35,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:35,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:35,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:35,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:35,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:35,840 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-20 11:58:35,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 399 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:35,843 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:35,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-20 11:58:35,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:36,268 INFO L130 PetriNetUnfolder]: 127/689 cut-off events. [2022-11-20 11:58:36,268 INFO L131 PetriNetUnfolder]: For 43/49 co-relation queries the response was YES. [2022-11-20 11:58:36,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 689 events. 127/689 cut-off events. For 43/49 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4217 event pairs, 117 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 1035. Up to 291 conditions per place. [2022-11-20 11:58:36,304 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 56 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2022-11-20 11:58:36,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 398 transitions, 924 flow [2022-11-20 11:58:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2022-11-20 11:58:36,309 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8934865900383142 [2022-11-20 11:58:36,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2022-11-20 11:58:36,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2022-11-20 11:58:36,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:36,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2022-11-20 11:58:36,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 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 11:58:36,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:36,318 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:36,318 INFO L175 Difference]: Start difference. First operand has 400 places, 399 transitions, 810 flow. Second operand 3 states and 1166 transitions. [2022-11-20 11:58:36,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 398 transitions, 924 flow [2022-11-20 11:58:36,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 398 transitions, 920 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:36,330 INFO L231 Difference]: Finished difference. Result has 398 places, 398 transitions, 808 flow [2022-11-20 11:58:36,331 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=398, PETRI_TRANSITIONS=398} [2022-11-20 11:58:36,332 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -9 predicate places. [2022-11-20 11:58:36,333 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 398 transitions, 808 flow [2022-11-20 11:58:36,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:36,334 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:36,334 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] [2022-11-20 11:58:36,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:58:36,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:36,337 INFO L85 PathProgramCache]: Analyzing trace with hash 455979650, now seen corresponding path program 1 times [2022-11-20 11:58:36,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:36,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519228098] [2022-11-20 11:58:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:36,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:36,456 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 11:58:36,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:36,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519228098] [2022-11-20 11:58:36,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519228098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:36,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:36,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:36,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644463141] [2022-11-20 11:58:36,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:36,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:36,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:36,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:36,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:36,465 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 435 [2022-11-20 11:58:36,468 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 398 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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 11:58:36,468 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:36,468 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 435 [2022-11-20 11:58:36,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:36,906 INFO L130 PetriNetUnfolder]: 127/688 cut-off events. [2022-11-20 11:58:36,907 INFO L131 PetriNetUnfolder]: For 82/88 co-relation queries the response was YES. [2022-11-20 11:58:36,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1031 conditions, 688 events. 127/688 cut-off events. For 82/88 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4349 event pairs, 117 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 992. Up to 294 conditions per place. [2022-11-20 11:58:36,943 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 59 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2022-11-20 11:58:36,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 397 transitions, 928 flow [2022-11-20 11:58:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1160 transitions. [2022-11-20 11:58:36,949 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-11-20 11:58:36,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1160 transitions. [2022-11-20 11:58:36,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1160 transitions. [2022-11-20 11:58:36,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:36,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1160 transitions. [2022-11-20 11:58:36,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.6666666666667) internal successors, (1160), 3 states have internal predecessors, (1160), 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 11:58:36,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:36,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:36,959 INFO L175 Difference]: Start difference. First operand has 398 places, 398 transitions, 808 flow. Second operand 3 states and 1160 transitions. [2022-11-20 11:58:36,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 397 transitions, 928 flow [2022-11-20 11:58:36,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 397 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:36,968 INFO L231 Difference]: Finished difference. Result has 397 places, 397 transitions, 806 flow [2022-11-20 11:58:36,969 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=397, PETRI_TRANSITIONS=397} [2022-11-20 11:58:36,975 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -10 predicate places. [2022-11-20 11:58:36,976 INFO L495 AbstractCegarLoop]: Abstraction has has 397 places, 397 transitions, 806 flow [2022-11-20 11:58:36,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 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 11:58:36,977 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:36,977 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] [2022-11-20 11:58:36,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:58:36,978 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:36,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:36,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1419194383, now seen corresponding path program 1 times [2022-11-20 11:58:36,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:36,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292324468] [2022-11-20 11:58:36,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:36,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:37,071 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 11:58:37,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:37,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292324468] [2022-11-20 11:58:37,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292324468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:37,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:37,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:37,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524271684] [2022-11-20 11:58:37,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:37,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:37,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:37,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:37,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:37,079 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-20 11:58:37,081 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 397 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:37,081 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:37,082 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-20 11:58:37,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:37,434 INFO L130 PetriNetUnfolder]: 127/687 cut-off events. [2022-11-20 11:58:37,435 INFO L131 PetriNetUnfolder]: For 121/127 co-relation queries the response was YES. [2022-11-20 11:58:37,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 687 events. 127/687 cut-off events. For 121/127 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4421 event pairs, 117 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 942. Up to 290 conditions per place. [2022-11-20 11:58:37,459 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 55 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2022-11-20 11:58:37,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 396 transitions, 918 flow [2022-11-20 11:58:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2022-11-20 11:58:37,463 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.89272030651341 [2022-11-20 11:58:37,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2022-11-20 11:58:37,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2022-11-20 11:58:37,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:37,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2022-11-20 11:58:37,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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 11:58:37,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:37,477 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:37,478 INFO L175 Difference]: Start difference. First operand has 397 places, 397 transitions, 806 flow. Second operand 3 states and 1165 transitions. [2022-11-20 11:58:37,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 396 transitions, 918 flow [2022-11-20 11:58:37,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 396 transitions, 914 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:37,492 INFO L231 Difference]: Finished difference. Result has 396 places, 396 transitions, 804 flow [2022-11-20 11:58:37,493 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=396, PETRI_TRANSITIONS=396} [2022-11-20 11:58:37,495 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -11 predicate places. [2022-11-20 11:58:37,495 INFO L495 AbstractCegarLoop]: Abstraction has has 396 places, 396 transitions, 804 flow [2022-11-20 11:58:37,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:37,497 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:37,497 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 11:58:37,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:58:37,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:37,498 INFO L85 PathProgramCache]: Analyzing trace with hash -356961118, now seen corresponding path program 1 times [2022-11-20 11:58:37,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:37,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913798617] [2022-11-20 11:58:37,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:37,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:37,584 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 11:58:37,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:37,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913798617] [2022-11-20 11:58:37,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913798617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:37,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:37,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:37,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125616267] [2022-11-20 11:58:37,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:37,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:37,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:37,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:37,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:37,591 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 435 [2022-11-20 11:58:37,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 396 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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 11:58:37,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:37,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 435 [2022-11-20 11:58:37,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:40,229 INFO L130 PetriNetUnfolder]: 1030/10415 cut-off events. [2022-11-20 11:58:40,230 INFO L131 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-11-20 11:58:40,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11790 conditions, 10415 events. 1030/10415 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 132330 event pairs, 855 based on Foata normal form. 0/7754 useless extension candidates. Maximal degree in co-relation 11739. Up to 1284 conditions per place. [2022-11-20 11:58:40,545 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 23 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2022-11-20 11:58:40,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 395 transitions, 852 flow [2022-11-20 11:58:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2022-11-20 11:58:40,549 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2022-11-20 11:58:40,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2022-11-20 11:58:40,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2022-11-20 11:58:40,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:40,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2022-11-20 11:58:40,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 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 11:58:40,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:40,559 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:40,559 INFO L175 Difference]: Start difference. First operand has 396 places, 396 transitions, 804 flow. Second operand 3 states and 1232 transitions. [2022-11-20 11:58:40,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 395 transitions, 852 flow [2022-11-20 11:58:40,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 395 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:40,567 INFO L231 Difference]: Finished difference. Result has 395 places, 395 transitions, 802 flow [2022-11-20 11:58:40,568 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=395, PETRI_TRANSITIONS=395} [2022-11-20 11:58:40,571 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -12 predicate places. [2022-11-20 11:58:40,571 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 395 transitions, 802 flow [2022-11-20 11:58:40,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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 11:58:40,573 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:40,573 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] [2022-11-20 11:58:40,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:58:40,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:40,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:40,575 INFO L85 PathProgramCache]: Analyzing trace with hash -851483623, now seen corresponding path program 1 times [2022-11-20 11:58:40,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:40,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912546785] [2022-11-20 11:58:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,644 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 11:58:40,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:40,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912546785] [2022-11-20 11:58:40,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912546785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:40,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:40,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:40,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266194039] [2022-11-20 11:58:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:40,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:40,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:40,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:40,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:40,649 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-20 11:58:40,651 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 395 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:40,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:40,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-20 11:58:40,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:40,915 INFO L130 PetriNetUnfolder]: 100/624 cut-off events. [2022-11-20 11:58:40,915 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-20 11:58:40,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 624 events. 100/624 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3363 event pairs, 54 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 895. Up to 144 conditions per place. [2022-11-20 11:58:40,937 INFO L137 encePairwiseOnDemand]: 414/435 looper letters, 41 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2022-11-20 11:58:40,938 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 387 transitions, 889 flow [2022-11-20 11:58:40,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:40,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1169 transitions. [2022-11-20 11:58:40,942 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8957854406130268 [2022-11-20 11:58:40,942 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1169 transitions. [2022-11-20 11:58:40,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1169 transitions. [2022-11-20 11:58:40,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:40,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1169 transitions. [2022-11-20 11:58:40,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 389.6666666666667) internal successors, (1169), 3 states have internal predecessors, (1169), 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 11:58:40,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:40,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:40,952 INFO L175 Difference]: Start difference. First operand has 395 places, 395 transitions, 802 flow. Second operand 3 states and 1169 transitions. [2022-11-20 11:58:40,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 387 transitions, 889 flow [2022-11-20 11:58:40,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 387 transitions, 885 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:40,962 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 805 flow [2022-11-20 11:58:40,963 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2022-11-20 11:58:40,966 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -23 predicate places. [2022-11-20 11:58:40,966 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 805 flow [2022-11-20 11:58:40,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:40,969 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:40,969 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] [2022-11-20 11:58:40,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:58:40,970 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:40,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:40,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2063019880, now seen corresponding path program 1 times [2022-11-20 11:58:40,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:40,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284563247] [2022-11-20 11:58:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:40,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:41,060 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 11:58:41,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:41,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284563247] [2022-11-20 11:58:41,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284563247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:41,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:41,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:41,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357643690] [2022-11-20 11:58:41,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:41,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:41,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:41,073 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 435 [2022-11-20 11:58:41,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 11:58:41,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:41,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 435 [2022-11-20 11:58:41,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:41,443 INFO L130 PetriNetUnfolder]: 100/614 cut-off events. [2022-11-20 11:58:41,443 INFO L131 PetriNetUnfolder]: For 38/42 co-relation queries the response was YES. [2022-11-20 11:58:41,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 614 events. 100/614 cut-off events. For 38/42 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3429 event pairs, 54 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 818. Up to 142 conditions per place. [2022-11-20 11:58:41,463 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 39 selfloop transitions, 9 changer transitions 0/377 dead transitions. [2022-11-20 11:58:41,464 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 377 transitions, 890 flow [2022-11-20 11:58:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1175 transitions. [2022-11-20 11:58:41,467 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9003831417624522 [2022-11-20 11:58:41,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1175 transitions. [2022-11-20 11:58:41,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1175 transitions. [2022-11-20 11:58:41,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:41,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1175 transitions. [2022-11-20 11:58:41,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 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 11:58:41,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:41,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:41,476 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 805 flow. Second operand 3 states and 1175 transitions. [2022-11-20 11:58:41,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 377 transitions, 890 flow [2022-11-20 11:58:41,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 377 transitions, 881 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:58:41,484 INFO L231 Difference]: Finished difference. Result has 375 places, 374 transitions, 805 flow [2022-11-20 11:58:41,485 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=375, PETRI_TRANSITIONS=374} [2022-11-20 11:58:41,486 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -32 predicate places. [2022-11-20 11:58:41,486 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 374 transitions, 805 flow [2022-11-20 11:58:41,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 11:58:41,487 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:41,487 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] [2022-11-20 11:58:41,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:58:41,488 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:41,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:41,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1342748087, now seen corresponding path program 1 times [2022-11-20 11:58:41,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:41,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191404803] [2022-11-20 11:58:41,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:41,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:41,533 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 11:58:41,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:41,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191404803] [2022-11-20 11:58:41,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191404803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:41,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:41,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:41,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292211871] [2022-11-20 11:58:41,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:41,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:41,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:41,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:41,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:41,538 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-20 11:58:41,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 374 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:41,540 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:41,540 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-20 11:58:41,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:41,859 INFO L130 PetriNetUnfolder]: 107/823 cut-off events. [2022-11-20 11:58:41,859 INFO L131 PetriNetUnfolder]: For 74/78 co-relation queries the response was YES. [2022-11-20 11:58:41,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 823 events. 107/823 cut-off events. For 74/78 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5218 event pairs, 36 based on Foata normal form. 1/726 useless extension candidates. Maximal degree in co-relation 992. Up to 145 conditions per place. [2022-11-20 11:58:41,888 INFO L137 encePairwiseOnDemand]: 413/435 looper letters, 44 selfloop transitions, 10 changer transitions 0/370 dead transitions. [2022-11-20 11:58:41,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 370 transitions, 911 flow [2022-11-20 11:58:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1173 transitions. [2022-11-20 11:58:41,892 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8988505747126436 [2022-11-20 11:58:41,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1173 transitions. [2022-11-20 11:58:41,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1173 transitions. [2022-11-20 11:58:41,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:41,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1173 transitions. [2022-11-20 11:58:41,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 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 11:58:41,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:41,903 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:41,903 INFO L175 Difference]: Start difference. First operand has 375 places, 374 transitions, 805 flow. Second operand 3 states and 1173 transitions. [2022-11-20 11:58:41,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 370 transitions, 911 flow [2022-11-20 11:58:41,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 370 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:58:41,912 INFO L231 Difference]: Finished difference. Result has 365 places, 364 transitions, 810 flow [2022-11-20 11:58:41,913 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=365, PETRI_TRANSITIONS=364} [2022-11-20 11:58:41,914 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -42 predicate places. [2022-11-20 11:58:41,914 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 364 transitions, 810 flow [2022-11-20 11:58:41,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 11:58:41,915 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:41,915 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 11:58:41,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:58:41,916 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1890699172, now seen corresponding path program 1 times [2022-11-20 11:58:41,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:41,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139872715] [2022-11-20 11:58:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:41,984 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 11:58:41,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:41,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139872715] [2022-11-20 11:58:41,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139872715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:41,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:41,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:58:41,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455237028] [2022-11-20 11:58:41,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:41,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:58:41,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:41,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:58:41,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:58:41,989 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 435 [2022-11-20 11:58:41,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 364 transitions, 810 flow. Second operand has 4 states, 4 states have (on average 409.25) internal successors, (1637), 4 states have internal predecessors, (1637), 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 11:58:41,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:41,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 435 [2022-11-20 11:58:41,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:42,178 INFO L130 PetriNetUnfolder]: 12/615 cut-off events. [2022-11-20 11:58:42,178 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 11:58:42,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 615 events. 12/615 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2634 event pairs, 0 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 499. Up to 27 conditions per place. [2022-11-20 11:58:42,191 INFO L137 encePairwiseOnDemand]: 429/435 looper letters, 22 selfloop transitions, 5 changer transitions 0/371 dead transitions. [2022-11-20 11:58:42,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 371 transitions, 878 flow [2022-11-20 11:58:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:58:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 11:58:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2068 transitions. [2022-11-20 11:58:42,198 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9508045977011494 [2022-11-20 11:58:42,198 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2068 transitions. [2022-11-20 11:58:42,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2068 transitions. [2022-11-20 11:58:42,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:42,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2068 transitions. [2022-11-20 11:58:42,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 413.6) internal successors, (2068), 5 states have internal predecessors, (2068), 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 11:58:42,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 435.0) internal successors, (2610), 6 states have internal predecessors, (2610), 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 11:58:42,212 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 435.0) internal successors, (2610), 6 states have internal predecessors, (2610), 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 11:58:42,212 INFO L175 Difference]: Start difference. First operand has 365 places, 364 transitions, 810 flow. Second operand 5 states and 2068 transitions. [2022-11-20 11:58:42,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 371 transitions, 878 flow [2022-11-20 11:58:42,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:58:42,245 INFO L231 Difference]: Finished difference. Result has 372 places, 368 transitions, 838 flow [2022-11-20 11:58:42,246 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=838, PETRI_PLACES=372, PETRI_TRANSITIONS=368} [2022-11-20 11:58:42,246 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -35 predicate places. [2022-11-20 11:58:42,247 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 368 transitions, 838 flow [2022-11-20 11:58:42,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 409.25) internal successors, (1637), 4 states have internal predecessors, (1637), 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 11:58:42,248 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:42,248 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] [2022-11-20 11:58:42,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:58:42,249 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:42,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:42,249 INFO L85 PathProgramCache]: Analyzing trace with hash -15246507, now seen corresponding path program 1 times [2022-11-20 11:58:42,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:42,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196155163] [2022-11-20 11:58:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:42,295 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 11:58:42,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:42,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196155163] [2022-11-20 11:58:42,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196155163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:42,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:42,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:42,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657813674] [2022-11-20 11:58:42,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:42,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:42,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:42,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:42,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:42,300 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 435 [2022-11-20 11:58:42,301 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 368 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 11:58:42,302 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:42,302 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 435 [2022-11-20 11:58:42,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:42,772 INFO L130 PetriNetUnfolder]: 173/1405 cut-off events. [2022-11-20 11:58:42,772 INFO L131 PetriNetUnfolder]: For 163/167 co-relation queries the response was YES. [2022-11-20 11:58:42,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1405 events. 173/1405 cut-off events. For 163/167 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10385 event pairs, 82 based on Foata normal form. 1/1247 useless extension candidates. Maximal degree in co-relation 1526. Up to 231 conditions per place. [2022-11-20 11:58:42,805 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 40 selfloop transitions, 9 changer transitions 11/365 dead transitions. [2022-11-20 11:58:42,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 365 transitions, 941 flow [2022-11-20 11:58:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1178 transitions. [2022-11-20 11:58:42,810 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026819923371647 [2022-11-20 11:58:42,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1178 transitions. [2022-11-20 11:58:42,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1178 transitions. [2022-11-20 11:58:42,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:42,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1178 transitions. [2022-11-20 11:58:42,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 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 11:58:42,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:42,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:42,819 INFO L175 Difference]: Start difference. First operand has 372 places, 368 transitions, 838 flow. Second operand 3 states and 1178 transitions. [2022-11-20 11:58:42,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 365 transitions, 941 flow [2022-11-20 11:58:42,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 365 transitions, 941 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:58:42,828 INFO L231 Difference]: Finished difference. Result has 364 places, 347 transitions, 824 flow [2022-11-20 11:58:42,828 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=364, PETRI_TRANSITIONS=347} [2022-11-20 11:58:42,829 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -43 predicate places. [2022-11-20 11:58:42,829 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 347 transitions, 824 flow [2022-11-20 11:58:42,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 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 11:58:42,831 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:42,831 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] [2022-11-20 11:58:42,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:58:42,832 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash 685404934, now seen corresponding path program 1 times [2022-11-20 11:58:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:42,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783417385] [2022-11-20 11:58:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:42,878 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 11:58:42,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:42,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783417385] [2022-11-20 11:58:42,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783417385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:42,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:42,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:42,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307661922] [2022-11-20 11:58:42,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:42,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:42,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:42,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:42,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:42,883 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2022-11-20 11:58:42,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 347 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 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 11:58:42,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:42,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2022-11-20 11:58:42,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:44,949 INFO L130 PetriNetUnfolder]: 733/9066 cut-off events. [2022-11-20 11:58:44,949 INFO L131 PetriNetUnfolder]: For 280/375 co-relation queries the response was YES. [2022-11-20 11:58:45,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11623 conditions, 9066 events. 733/9066 cut-off events. For 280/375 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 111898 event pairs, 276 based on Foata normal form. 3/8037 useless extension candidates. Maximal degree in co-relation 8657. Up to 929 conditions per place. [2022-11-20 11:58:45,153 INFO L137 encePairwiseOnDemand]: 427/435 looper letters, 20 selfloop transitions, 4 changer transitions 0/350 dead transitions. [2022-11-20 11:58:45,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 350 transitions, 881 flow [2022-11-20 11:58:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-11-20 11:58:45,157 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9524904214559387 [2022-11-20 11:58:45,158 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-11-20 11:58:45,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-11-20 11:58:45,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:45,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-11-20 11:58:45,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 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 11:58:45,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:45,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:45,166 INFO L175 Difference]: Start difference. First operand has 364 places, 347 transitions, 824 flow. Second operand 3 states and 1243 transitions. [2022-11-20 11:58:45,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 350 transitions, 881 flow [2022-11-20 11:58:45,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 350 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:58:45,183 INFO L231 Difference]: Finished difference. Result has 351 places, 347 transitions, 835 flow [2022-11-20 11:58:45,184 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=351, PETRI_TRANSITIONS=347} [2022-11-20 11:58:45,184 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-20 11:58:45,185 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 347 transitions, 835 flow [2022-11-20 11:58:45,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 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 11:58:45,185 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:45,186 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] [2022-11-20 11:58:45,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:58:45,186 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:45,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:45,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2061292385, now seen corresponding path program 1 times [2022-11-20 11:58:45,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:45,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949217602] [2022-11-20 11:58:45,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:45,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:45,271 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 11:58:45,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:45,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949217602] [2022-11-20 11:58:45,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949217602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:45,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:45,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:45,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676440047] [2022-11-20 11:58:45,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:45,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:45,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:45,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:45,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:45,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:45,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 347 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 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 11:58:45,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:45,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:45,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:46,092 INFO L130 PetriNetUnfolder]: 426/3015 cut-off events. [2022-11-20 11:58:46,093 INFO L131 PetriNetUnfolder]: For 94/109 co-relation queries the response was YES. [2022-11-20 11:58:46,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4656 conditions, 3015 events. 426/3015 cut-off events. For 94/109 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 29170 event pairs, 289 based on Foata normal form. 0/2712 useless extension candidates. Maximal degree in co-relation 3130. Up to 678 conditions per place. [2022-11-20 11:58:46,184 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 46 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2022-11-20 11:58:46,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 349 transitions, 938 flow [2022-11-20 11:58:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-20 11:58:46,189 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8804597701149425 [2022-11-20 11:58:46,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-20 11:58:46,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-20 11:58:46,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:46,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-20 11:58:46,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 11:58:46,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:46,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:46,197 INFO L175 Difference]: Start difference. First operand has 351 places, 347 transitions, 835 flow. Second operand 3 states and 1149 transitions. [2022-11-20 11:58:46,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 349 transitions, 938 flow [2022-11-20 11:58:46,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 349 transitions, 938 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:58:46,206 INFO L231 Difference]: Finished difference. Result has 352 places, 346 transitions, 837 flow [2022-11-20 11:58:46,207 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=837, PETRI_PLACES=352, PETRI_TRANSITIONS=346} [2022-11-20 11:58:46,210 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -55 predicate places. [2022-11-20 11:58:46,210 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 346 transitions, 837 flow [2022-11-20 11:58:46,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 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 11:58:46,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:46,211 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:58:46,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:58:46,212 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:46,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:46,212 INFO L85 PathProgramCache]: Analyzing trace with hash 714547496, now seen corresponding path program 1 times [2022-11-20 11:58:46,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:46,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38976761] [2022-11-20 11:58:46,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:46,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:46,277 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 11:58:46,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:46,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38976761] [2022-11-20 11:58:46,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38976761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:46,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:46,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:46,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950264941] [2022-11-20 11:58:46,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:46,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:46,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:46,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:46,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:46,285 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:46,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 346 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 11:58:46,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:46,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:46,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:47,347 INFO L130 PetriNetUnfolder]: 686/3491 cut-off events. [2022-11-20 11:58:47,347 INFO L131 PetriNetUnfolder]: For 286/307 co-relation queries the response was YES. [2022-11-20 11:58:47,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6047 conditions, 3491 events. 686/3491 cut-off events. For 286/307 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 34962 event pairs, 521 based on Foata normal form. 0/3175 useless extension candidates. Maximal degree in co-relation 5852. Up to 1340 conditions per place. [2022-11-20 11:58:47,429 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-20 11:58:47,430 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 348 transitions, 936 flow [2022-11-20 11:58:47,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2022-11-20 11:58:47,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.885823754789272 [2022-11-20 11:58:47,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2022-11-20 11:58:47,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2022-11-20 11:58:47,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:47,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2022-11-20 11:58:47,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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 11:58:47,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:47,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:47,441 INFO L175 Difference]: Start difference. First operand has 352 places, 346 transitions, 837 flow. Second operand 3 states and 1156 transitions. [2022-11-20 11:58:47,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 348 transitions, 936 flow [2022-11-20 11:58:47,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 348 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:47,450 INFO L231 Difference]: Finished difference. Result has 351 places, 345 transitions, 835 flow [2022-11-20 11:58:47,451 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=351, PETRI_TRANSITIONS=345} [2022-11-20 11:58:47,451 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-20 11:58:47,452 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 345 transitions, 835 flow [2022-11-20 11:58:47,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 11:58:47,452 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:47,453 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] [2022-11-20 11:58:47,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:58:47,453 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:47,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:47,454 INFO L85 PathProgramCache]: Analyzing trace with hash 223912818, now seen corresponding path program 1 times [2022-11-20 11:58:47,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:47,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963190675] [2022-11-20 11:58:47,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:47,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:47,511 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 11:58:47,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:47,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963190675] [2022-11-20 11:58:47,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963190675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:47,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:47,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:47,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129058348] [2022-11-20 11:58:47,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:47,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:47,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:47,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:47,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:47,517 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:47,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 345 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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 11:58:47,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:47,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:47,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:48,309 INFO L130 PetriNetUnfolder]: 417/2982 cut-off events. [2022-11-20 11:58:48,309 INFO L131 PetriNetUnfolder]: For 106/121 co-relation queries the response was YES. [2022-11-20 11:58:48,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4618 conditions, 2982 events. 417/2982 cut-off events. For 106/121 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 28739 event pairs, 280 based on Foata normal form. 0/2703 useless extension candidates. Maximal degree in co-relation 4018. Up to 657 conditions per place. [2022-11-20 11:58:48,362 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 45 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-11-20 11:58:48,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 347 transitions, 936 flow [2022-11-20 11:58:48,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-20 11:58:48,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796934865900383 [2022-11-20 11:58:48,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-20 11:58:48,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-20 11:58:48,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:48,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-20 11:58:48,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 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 11:58:48,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:48,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:48,376 INFO L175 Difference]: Start difference. First operand has 351 places, 345 transitions, 835 flow. Second operand 3 states and 1148 transitions. [2022-11-20 11:58:48,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 347 transitions, 936 flow [2022-11-20 11:58:48,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 347 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:48,386 INFO L231 Difference]: Finished difference. Result has 350 places, 344 transitions, 833 flow [2022-11-20 11:58:48,387 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=350, PETRI_TRANSITIONS=344} [2022-11-20 11:58:48,387 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -57 predicate places. [2022-11-20 11:58:48,387 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 344 transitions, 833 flow [2022-11-20 11:58:48,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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 11:58:48,388 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:48,389 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] [2022-11-20 11:58:48,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 11:58:48,389 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:48,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:48,390 INFO L85 PathProgramCache]: Analyzing trace with hash 195006870, now seen corresponding path program 1 times [2022-11-20 11:58:48,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:48,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199071796] [2022-11-20 11:58:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:48,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:48,440 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 11:58:48,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:48,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199071796] [2022-11-20 11:58:48,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199071796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:48,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:48,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:48,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310562317] [2022-11-20 11:58:48,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:48,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:48,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:48,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:48,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:48,445 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:48,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 344 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 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 11:58:48,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:48,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:48,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:49,236 INFO L130 PetriNetUnfolder]: 451/2940 cut-off events. [2022-11-20 11:58:49,236 INFO L131 PetriNetUnfolder]: For 269/293 co-relation queries the response was YES. [2022-11-20 11:58:49,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4657 conditions, 2940 events. 451/2940 cut-off events. For 269/293 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 27990 event pairs, 313 based on Foata normal form. 0/2657 useless extension candidates. Maximal degree in co-relation 4506. Up to 871 conditions per place. [2022-11-20 11:58:49,289 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 47 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2022-11-20 11:58:49,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 346 transitions, 938 flow [2022-11-20 11:58:49,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-20 11:58:49,295 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8804597701149425 [2022-11-20 11:58:49,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-20 11:58:49,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-20 11:58:49,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:49,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-20 11:58:49,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 11:58:49,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:49,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:49,304 INFO L175 Difference]: Start difference. First operand has 350 places, 344 transitions, 833 flow. Second operand 3 states and 1149 transitions. [2022-11-20 11:58:49,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 346 transitions, 938 flow [2022-11-20 11:58:49,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 346 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:49,313 INFO L231 Difference]: Finished difference. Result has 349 places, 343 transitions, 831 flow [2022-11-20 11:58:49,314 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=349, PETRI_TRANSITIONS=343} [2022-11-20 11:58:49,314 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -58 predicate places. [2022-11-20 11:58:49,315 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 343 transitions, 831 flow [2022-11-20 11:58:49,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 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 11:58:49,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:49,316 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] [2022-11-20 11:58:49,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 11:58:49,316 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:49,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:49,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2040247395, now seen corresponding path program 1 times [2022-11-20 11:58:49,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:49,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361274202] [2022-11-20 11:58:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:49,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:49,826 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 11:58:49,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:49,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361274202] [2022-11-20 11:58:49,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361274202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:49,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:49,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:58:49,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887119069] [2022-11-20 11:58:49,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:49,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:58:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:58:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:58:49,832 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-20 11:58:49,834 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 343 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 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 11:58:49,834 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:49,834 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-20 11:58:49,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:50,373 INFO L130 PetriNetUnfolder]: 88/1800 cut-off events. [2022-11-20 11:58:50,373 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:58:50,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2356 conditions, 1800 events. 88/1800 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14078 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 1930. Up to 109 conditions per place. [2022-11-20 11:58:50,416 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 30 selfloop transitions, 4 changer transitions 0/342 dead transitions. [2022-11-20 11:58:50,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 342 transitions, 897 flow [2022-11-20 11:58:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:58:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:58:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2375 transitions. [2022-11-20 11:58:50,422 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9099616858237548 [2022-11-20 11:58:50,422 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2375 transitions. [2022-11-20 11:58:50,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2375 transitions. [2022-11-20 11:58:50,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:50,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2375 transitions. [2022-11-20 11:58:50,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 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 11:58:50,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:58:50,435 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:58:50,435 INFO L175 Difference]: Start difference. First operand has 349 places, 343 transitions, 831 flow. Second operand 6 states and 2375 transitions. [2022-11-20 11:58:50,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 342 transitions, 897 flow [2022-11-20 11:58:50,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 342 transitions, 893 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:50,444 INFO L231 Difference]: Finished difference. Result has 351 places, 342 transitions, 833 flow [2022-11-20 11:58:50,445 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=351, PETRI_TRANSITIONS=342} [2022-11-20 11:58:50,445 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-20 11:58:50,445 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 342 transitions, 833 flow [2022-11-20 11:58:50,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 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 11:58:50,447 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:50,447 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] [2022-11-20 11:58:50,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 11:58:50,448 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:50,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash 549423174, now seen corresponding path program 1 times [2022-11-20 11:58:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:50,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439519100] [2022-11-20 11:58:50,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:50,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:50,499 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 11:58:50,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:50,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439519100] [2022-11-20 11:58:50,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439519100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:50,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:50,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:50,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549232955] [2022-11-20 11:58:50,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:50,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:50,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:50,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:50,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:50,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 342 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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 11:58:50,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:50,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:50,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:51,452 INFO L130 PetriNetUnfolder]: 669/3430 cut-off events. [2022-11-20 11:58:51,452 INFO L131 PetriNetUnfolder]: For 280/301 co-relation queries the response was YES. [2022-11-20 11:58:51,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5934 conditions, 3430 events. 669/3430 cut-off events. For 280/301 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 34033 event pairs, 504 based on Foata normal form. 0/3158 useless extension candidates. Maximal degree in co-relation 5074. Up to 1296 conditions per place. [2022-11-20 11:58:51,513 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2022-11-20 11:58:51,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 344 transitions, 930 flow [2022-11-20 11:58:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1155 transitions. [2022-11-20 11:58:51,517 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2022-11-20 11:58:51,518 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1155 transitions. [2022-11-20 11:58:51,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1155 transitions. [2022-11-20 11:58:51,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:51,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1155 transitions. [2022-11-20 11:58:51,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 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 11:58:51,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:51,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:51,526 INFO L175 Difference]: Start difference. First operand has 351 places, 342 transitions, 833 flow. Second operand 3 states and 1155 transitions. [2022-11-20 11:58:51,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 344 transitions, 930 flow [2022-11-20 11:58:51,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 344 transitions, 923 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:58:51,534 INFO L231 Difference]: Finished difference. Result has 348 places, 341 transitions, 828 flow [2022-11-20 11:58:51,535 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=348, PETRI_TRANSITIONS=341} [2022-11-20 11:58:51,536 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -59 predicate places. [2022-11-20 11:58:51,536 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 341 transitions, 828 flow [2022-11-20 11:58:51,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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 11:58:51,537 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:51,537 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] [2022-11-20 11:58:51,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 11:58:51,537 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:51,538 INFO L85 PathProgramCache]: Analyzing trace with hash -983902946, now seen corresponding path program 1 times [2022-11-20 11:58:51,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:51,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569270735] [2022-11-20 11:58:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:51,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:51,595 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 11:58:51,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:51,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569270735] [2022-11-20 11:58:51,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569270735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:51,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:51,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:51,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204534413] [2022-11-20 11:58:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:51,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:51,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:51,600 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:51,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 341 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 11:58:51,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:51,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:51,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:52,297 INFO L130 PetriNetUnfolder]: 302/2435 cut-off events. [2022-11-20 11:58:52,297 INFO L131 PetriNetUnfolder]: For 302/312 co-relation queries the response was YES. [2022-11-20 11:58:52,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3606 conditions, 2435 events. 302/2435 cut-off events. For 302/312 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 21914 event pairs, 192 based on Foata normal form. 0/2209 useless extension candidates. Maximal degree in co-relation 3160. Up to 594 conditions per place. [2022-11-20 11:58:52,360 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2022-11-20 11:58:52,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 343 transitions, 927 flow [2022-11-20 11:58:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2022-11-20 11:58:52,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.885823754789272 [2022-11-20 11:58:52,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2022-11-20 11:58:52,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2022-11-20 11:58:52,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:52,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2022-11-20 11:58:52,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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 11:58:52,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:52,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:52,371 INFO L175 Difference]: Start difference. First operand has 348 places, 341 transitions, 828 flow. Second operand 3 states and 1156 transitions. [2022-11-20 11:58:52,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 343 transitions, 927 flow [2022-11-20 11:58:52,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 343 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:52,380 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 826 flow [2022-11-20 11:58:52,380 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2022-11-20 11:58:52,381 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -60 predicate places. [2022-11-20 11:58:52,381 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 826 flow [2022-11-20 11:58:52,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 11:58:52,382 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:52,382 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] [2022-11-20 11:58:52,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:58:52,382 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:52,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:52,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1539199117, now seen corresponding path program 1 times [2022-11-20 11:58:52,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:52,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547708857] [2022-11-20 11:58:52,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:52,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:52,450 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 11:58:52,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:52,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547708857] [2022-11-20 11:58:52,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547708857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:52,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:52,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:52,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640124817] [2022-11-20 11:58:52,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:52,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:52,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:52,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:52,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:52,456 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:52,457 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 11:58:52,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:52,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:52,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:53,297 INFO L130 PetriNetUnfolder]: 408/2922 cut-off events. [2022-11-20 11:58:53,297 INFO L131 PetriNetUnfolder]: For 105/120 co-relation queries the response was YES. [2022-11-20 11:58:53,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4529 conditions, 2922 events. 408/2922 cut-off events. For 105/120 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 27842 event pairs, 271 based on Foata normal form. 0/2694 useless extension candidates. Maximal degree in co-relation 4028. Up to 636 conditions per place. [2022-11-20 11:58:53,353 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2022-11-20 11:58:53,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 342 transitions, 925 flow [2022-11-20 11:58:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2022-11-20 11:58:53,357 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878927203065134 [2022-11-20 11:58:53,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1147 transitions. [2022-11-20 11:58:53,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1147 transitions. [2022-11-20 11:58:53,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:53,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1147 transitions. [2022-11-20 11:58:53,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 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 11:58:53,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:53,366 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:53,367 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 826 flow. Second operand 3 states and 1147 transitions. [2022-11-20 11:58:53,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 342 transitions, 925 flow [2022-11-20 11:58:53,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 342 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:53,377 INFO L231 Difference]: Finished difference. Result has 346 places, 339 transitions, 824 flow [2022-11-20 11:58:53,378 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=346, PETRI_TRANSITIONS=339} [2022-11-20 11:58:53,379 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -61 predicate places. [2022-11-20 11:58:53,379 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 339 transitions, 824 flow [2022-11-20 11:58:53,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 11:58:53,380 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:53,380 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:53,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:58:53,381 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:53,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:53,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1215867309, now seen corresponding path program 1 times [2022-11-20 11:58:53,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:53,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766121567] [2022-11-20 11:58:53,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:53,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:53,443 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 11:58:53,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:53,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766121567] [2022-11-20 11:58:53,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766121567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:53,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:53,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:53,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717740408] [2022-11-20 11:58:53,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:53,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:53,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:53,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:53,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:53,448 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:53,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 339 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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 11:58:53,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:53,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:53,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:54,272 INFO L130 PetriNetUnfolder]: 441/2881 cut-off events. [2022-11-20 11:58:54,272 INFO L131 PetriNetUnfolder]: For 265/289 co-relation queries the response was YES. [2022-11-20 11:58:54,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4567 conditions, 2881 events. 441/2881 cut-off events. For 265/289 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 27256 event pairs, 303 based on Foata normal form. 0/2647 useless extension candidates. Maximal degree in co-relation 4452. Up to 843 conditions per place. [2022-11-20 11:58:54,359 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 46 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2022-11-20 11:58:54,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 341 transitions, 927 flow [2022-11-20 11:58:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-20 11:58:54,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796934865900383 [2022-11-20 11:58:54,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-20 11:58:54,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-20 11:58:54,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:54,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-20 11:58:54,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 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 11:58:54,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:54,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:54,370 INFO L175 Difference]: Start difference. First operand has 346 places, 339 transitions, 824 flow. Second operand 3 states and 1148 transitions. [2022-11-20 11:58:54,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 341 transitions, 927 flow [2022-11-20 11:58:54,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 341 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:54,379 INFO L231 Difference]: Finished difference. Result has 345 places, 338 transitions, 822 flow [2022-11-20 11:58:54,379 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=345, PETRI_TRANSITIONS=338} [2022-11-20 11:58:54,380 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -62 predicate places. [2022-11-20 11:58:54,380 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 338 transitions, 822 flow [2022-11-20 11:58:54,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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 11:58:54,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:54,381 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] [2022-11-20 11:58:54,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:58:54,382 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash 644693236, now seen corresponding path program 1 times [2022-11-20 11:58:54,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:54,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932800236] [2022-11-20 11:58:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:54,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:54,424 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 11:58:54,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:54,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932800236] [2022-11-20 11:58:54,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932800236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:54,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:54,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:54,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068293206] [2022-11-20 11:58:54,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:54,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:54,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:54,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:54,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:54,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:54,431 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 338 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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 11:58:54,431 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:54,431 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:54,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:55,375 INFO L130 PetriNetUnfolder]: 652/3360 cut-off events. [2022-11-20 11:58:55,376 INFO L131 PetriNetUnfolder]: For 288/309 co-relation queries the response was YES. [2022-11-20 11:58:55,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5819 conditions, 3360 events. 652/3360 cut-off events. For 288/309 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 33065 event pairs, 487 based on Foata normal form. 0/3141 useless extension candidates. Maximal degree in co-relation 5430. Up to 1252 conditions per place. [2022-11-20 11:58:55,426 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 42 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2022-11-20 11:58:55,426 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 340 transitions, 917 flow [2022-11-20 11:58:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1154 transitions. [2022-11-20 11:58:55,429 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842911877394636 [2022-11-20 11:58:55,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1154 transitions. [2022-11-20 11:58:55,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1154 transitions. [2022-11-20 11:58:55,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:55,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1154 transitions. [2022-11-20 11:58:55,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 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 11:58:55,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:55,434 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:55,434 INFO L175 Difference]: Start difference. First operand has 345 places, 338 transitions, 822 flow. Second operand 3 states and 1154 transitions. [2022-11-20 11:58:55,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 340 transitions, 917 flow [2022-11-20 11:58:55,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 340 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:55,443 INFO L231 Difference]: Finished difference. Result has 344 places, 337 transitions, 820 flow [2022-11-20 11:58:55,443 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=344, PETRI_TRANSITIONS=337} [2022-11-20 11:58:55,444 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -63 predicate places. [2022-11-20 11:58:55,444 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 337 transitions, 820 flow [2022-11-20 11:58:55,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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 11:58:55,445 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:55,445 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] [2022-11-20 11:58:55,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:58:55,446 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:55,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:55,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1972317830, now seen corresponding path program 1 times [2022-11-20 11:58:55,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:55,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322760973] [2022-11-20 11:58:55,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:55,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:55,502 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 11:58:55,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:55,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322760973] [2022-11-20 11:58:55,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322760973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:55,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:55,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:55,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269279244] [2022-11-20 11:58:55,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:55,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:55,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:55,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:55,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:55,506 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:55,507 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 337 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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 11:58:55,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:55,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:55,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:56,189 INFO L130 PetriNetUnfolder]: 296/2390 cut-off events. [2022-11-20 11:58:56,190 INFO L131 PetriNetUnfolder]: For 296/306 co-relation queries the response was YES. [2022-11-20 11:58:56,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3542 conditions, 2390 events. 296/2390 cut-off events. For 296/306 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 21137 event pairs, 186 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 3240. Up to 575 conditions per place. [2022-11-20 11:58:56,248 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-11-20 11:58:56,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 339 transitions, 917 flow [2022-11-20 11:58:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1155 transitions. [2022-11-20 11:58:56,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2022-11-20 11:58:56,252 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1155 transitions. [2022-11-20 11:58:56,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1155 transitions. [2022-11-20 11:58:56,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:56,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1155 transitions. [2022-11-20 11:58:56,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 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 11:58:56,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:56,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:56,260 INFO L175 Difference]: Start difference. First operand has 344 places, 337 transitions, 820 flow. Second operand 3 states and 1155 transitions. [2022-11-20 11:58:56,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 339 transitions, 917 flow [2022-11-20 11:58:56,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 339 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:56,269 INFO L231 Difference]: Finished difference. Result has 343 places, 336 transitions, 818 flow [2022-11-20 11:58:56,269 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=343, PETRI_TRANSITIONS=336} [2022-11-20 11:58:56,270 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -64 predicate places. [2022-11-20 11:58:56,270 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 336 transitions, 818 flow [2022-11-20 11:58:56,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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 11:58:56,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:56,271 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] [2022-11-20 11:58:56,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 11:58:56,272 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:56,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:56,272 INFO L85 PathProgramCache]: Analyzing trace with hash 903949278, now seen corresponding path program 1 times [2022-11-20 11:58:56,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:56,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112466755] [2022-11-20 11:58:56,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:56,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:56,332 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 11:58:56,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:56,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112466755] [2022-11-20 11:58:56,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112466755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:56,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:56,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:56,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475459459] [2022-11-20 11:58:56,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:56,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:56,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:56,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:56,338 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:56,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 336 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 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 11:58:56,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:56,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:56,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:57,020 INFO L130 PetriNetUnfolder]: 399/2865 cut-off events. [2022-11-20 11:58:57,020 INFO L131 PetriNetUnfolder]: For 105/120 co-relation queries the response was YES. [2022-11-20 11:58:57,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4442 conditions, 2865 events. 399/2865 cut-off events. For 105/120 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 26986 event pairs, 262 based on Foata normal form. 0/2685 useless extension candidates. Maximal degree in co-relation 4073. Up to 615 conditions per place. [2022-11-20 11:58:57,072 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/338 dead transitions. [2022-11-20 11:58:57,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 338 transitions, 915 flow [2022-11-20 11:58:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2022-11-20 11:58:57,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2022-11-20 11:58:57,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2022-11-20 11:58:57,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2022-11-20 11:58:57,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:57,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2022-11-20 11:58:57,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 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 11:58:57,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:57,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:57,084 INFO L175 Difference]: Start difference. First operand has 343 places, 336 transitions, 818 flow. Second operand 3 states and 1146 transitions. [2022-11-20 11:58:57,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 338 transitions, 915 flow [2022-11-20 11:58:57,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 338 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:57,093 INFO L231 Difference]: Finished difference. Result has 342 places, 335 transitions, 816 flow [2022-11-20 11:58:57,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=342, PETRI_TRANSITIONS=335} [2022-11-20 11:58:57,094 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -65 predicate places. [2022-11-20 11:58:57,094 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 335 transitions, 816 flow [2022-11-20 11:58:57,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 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 11:58:57,095 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:57,095 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] [2022-11-20 11:58:57,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 11:58:57,096 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:57,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:57,096 INFO L85 PathProgramCache]: Analyzing trace with hash 45876516, now seen corresponding path program 1 times [2022-11-20 11:58:57,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:57,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563054527] [2022-11-20 11:58:57,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:57,646 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 11:58:57,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:57,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563054527] [2022-11-20 11:58:57,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563054527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:57,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:57,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:58:57,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665580695] [2022-11-20 11:58:57,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:57,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:58:57,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:58:57,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:58:57,651 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-20 11:58:57,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 335 transitions, 816 flow. Second operand has 6 states, 6 states have (on average 393.1666666666667) internal successors, (2359), 6 states have internal predecessors, (2359), 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 11:58:57,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:57,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-20 11:58:57,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:58,151 INFO L130 PetriNetUnfolder]: 88/1748 cut-off events. [2022-11-20 11:58:58,152 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-20 11:58:58,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1748 events. 88/1748 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 13440 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2221. Up to 109 conditions per place. [2022-11-20 11:58:58,191 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 29 selfloop transitions, 4 changer transitions 0/334 dead transitions. [2022-11-20 11:58:58,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 334 transitions, 880 flow [2022-11-20 11:58:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:58:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:58:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2374 transitions. [2022-11-20 11:58:58,197 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9095785440613027 [2022-11-20 11:58:58,197 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2374 transitions. [2022-11-20 11:58:58,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2374 transitions. [2022-11-20 11:58:58,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:58,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2374 transitions. [2022-11-20 11:58:58,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.6666666666667) internal successors, (2374), 6 states have internal predecessors, (2374), 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 11:58:58,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:58:58,209 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:58:58,210 INFO L175 Difference]: Start difference. First operand has 342 places, 335 transitions, 816 flow. Second operand 6 states and 2374 transitions. [2022-11-20 11:58:58,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 334 transitions, 880 flow [2022-11-20 11:58:58,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:58,217 INFO L231 Difference]: Finished difference. Result has 344 places, 334 transitions, 818 flow [2022-11-20 11:58:58,218 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=818, PETRI_PLACES=344, PETRI_TRANSITIONS=334} [2022-11-20 11:58:58,219 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -63 predicate places. [2022-11-20 11:58:58,219 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 334 transitions, 818 flow [2022-11-20 11:58:58,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.1666666666667) internal successors, (2359), 6 states have internal predecessors, (2359), 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 11:58:58,220 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:58,220 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] [2022-11-20 11:58:58,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 11:58:58,221 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:58,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:58,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1980469314, now seen corresponding path program 1 times [2022-11-20 11:58:58,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:58,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308569186] [2022-11-20 11:58:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:58,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:58,265 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 11:58:58,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:58,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308569186] [2022-11-20 11:58:58,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308569186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:58,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:58,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:58,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886322949] [2022-11-20 11:58:58,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:58,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:58,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:58,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:58,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:58,269 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:58:58,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 334 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 11:58:58,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:58,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:58:58,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:58,930 INFO L130 PetriNetUnfolder]: 431/2822 cut-off events. [2022-11-20 11:58:58,930 INFO L131 PetriNetUnfolder]: For 258/282 co-relation queries the response was YES. [2022-11-20 11:58:58,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 2822 events. 431/2822 cut-off events. For 258/282 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 26630 event pairs, 293 based on Foata normal form. 0/2637 useless extension candidates. Maximal degree in co-relation 3973. Up to 815 conditions per place. [2022-11-20 11:58:58,983 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 45 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-11-20 11:58:58,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 336 transitions, 919 flow [2022-11-20 11:58:58,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2022-11-20 11:58:58,986 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878927203065134 [2022-11-20 11:58:58,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1147 transitions. [2022-11-20 11:58:58,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1147 transitions. [2022-11-20 11:58:58,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:58,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1147 transitions. [2022-11-20 11:58:58,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 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 11:58:58,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:58,993 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:58,994 INFO L175 Difference]: Start difference. First operand has 344 places, 334 transitions, 818 flow. Second operand 3 states and 1147 transitions. [2022-11-20 11:58:58,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 336 transitions, 919 flow [2022-11-20 11:58:58,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 336 transitions, 912 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:58:59,003 INFO L231 Difference]: Finished difference. Result has 341 places, 333 transitions, 813 flow [2022-11-20 11:58:59,003 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=341, PETRI_TRANSITIONS=333} [2022-11-20 11:58:59,004 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -66 predicate places. [2022-11-20 11:58:59,004 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 333 transitions, 813 flow [2022-11-20 11:58:59,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 11:58:59,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:59,005 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] [2022-11-20 11:58:59,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 11:58:59,006 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:59,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:59,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1116464658, now seen corresponding path program 1 times [2022-11-20 11:58:59,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:59,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042802480] [2022-11-20 11:58:59,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:59,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:59,050 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 11:58:59,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:59,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042802480] [2022-11-20 11:58:59,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042802480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:59,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:59,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:59,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854594370] [2022-11-20 11:58:59,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:59,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:59,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:59,054 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:59,055 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 333 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 11:58:59,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:59,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:59,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:58:59,777 INFO L130 PetriNetUnfolder]: 635/3287 cut-off events. [2022-11-20 11:58:59,777 INFO L131 PetriNetUnfolder]: For 285/306 co-relation queries the response was YES. [2022-11-20 11:58:59,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5691 conditions, 3287 events. 635/3287 cut-off events. For 285/306 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 32059 event pairs, 470 based on Foata normal form. 0/3124 useless extension candidates. Maximal degree in co-relation 5434. Up to 1208 conditions per place. [2022-11-20 11:58:59,824 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 41 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-20 11:58:59,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 335 transitions, 906 flow [2022-11-20 11:58:59,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:58:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:58:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1153 transitions. [2022-11-20 11:58:59,828 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8835249042145594 [2022-11-20 11:58:59,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1153 transitions. [2022-11-20 11:58:59,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1153 transitions. [2022-11-20 11:58:59,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:58:59,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1153 transitions. [2022-11-20 11:58:59,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 11:58:59,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:59,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:58:59,836 INFO L175 Difference]: Start difference. First operand has 341 places, 333 transitions, 813 flow. Second operand 3 states and 1153 transitions. [2022-11-20 11:58:59,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 335 transitions, 906 flow [2022-11-20 11:58:59,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 335 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:58:59,845 INFO L231 Difference]: Finished difference. Result has 340 places, 332 transitions, 811 flow [2022-11-20 11:58:59,846 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=340, PETRI_TRANSITIONS=332} [2022-11-20 11:58:59,846 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -67 predicate places. [2022-11-20 11:58:59,846 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 332 transitions, 811 flow [2022-11-20 11:58:59,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 11:58:59,847 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:58:59,848 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] [2022-11-20 11:58:59,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 11:58:59,848 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:58:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash -407116758, now seen corresponding path program 1 times [2022-11-20 11:58:59,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:59,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481277654] [2022-11-20 11:58:59,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:59,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:59,894 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 11:58:59,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:59,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481277654] [2022-11-20 11:58:59,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481277654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:59,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:59,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:58:59,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810688114] [2022-11-20 11:58:59,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:59,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:58:59,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:59,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:58:59,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:58:59,898 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:58:59,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 332 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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 11:58:59,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:58:59,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:58:59,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:59:00,485 INFO L130 PetriNetUnfolder]: 290/2342 cut-off events. [2022-11-20 11:59:00,485 INFO L131 PetriNetUnfolder]: For 290/300 co-relation queries the response was YES. [2022-11-20 11:59:00,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3478 conditions, 2342 events. 290/2342 cut-off events. For 290/300 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 20609 event pairs, 180 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 3320. Up to 556 conditions per place. [2022-11-20 11:59:00,519 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 42 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-20 11:59:00,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 334 transitions, 906 flow [2022-11-20 11:59:00,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:59:00,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:59:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1154 transitions. [2022-11-20 11:59:00,523 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842911877394636 [2022-11-20 11:59:00,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1154 transitions. [2022-11-20 11:59:00,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1154 transitions. [2022-11-20 11:59:00,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:59:00,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1154 transitions. [2022-11-20 11:59:00,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 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 11:59:00,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:59:00,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:59:00,530 INFO L175 Difference]: Start difference. First operand has 340 places, 332 transitions, 811 flow. Second operand 3 states and 1154 transitions. [2022-11-20 11:59:00,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 334 transitions, 906 flow [2022-11-20 11:59:00,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 334 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:59:00,540 INFO L231 Difference]: Finished difference. Result has 339 places, 331 transitions, 809 flow [2022-11-20 11:59:00,540 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=809, PETRI_PLACES=339, PETRI_TRANSITIONS=331} [2022-11-20 11:59:00,541 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -68 predicate places. [2022-11-20 11:59:00,541 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 331 transitions, 809 flow [2022-11-20 11:59:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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 11:59:00,542 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:59:00,542 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] [2022-11-20 11:59:00,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 11:59:00,542 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:59:00,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:00,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1736504001, now seen corresponding path program 1 times [2022-11-20 11:59:00,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:00,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644063798] [2022-11-20 11:59:00,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:00,588 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 11:59:00,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:00,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644063798] [2022-11-20 11:59:00,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644063798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:00,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:00,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:59:00,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581461939] [2022-11-20 11:59:00,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:00,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:59:00,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:00,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:59:00,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:59:00,592 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-20 11:59:00,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 331 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 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 11:59:00,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:59:00,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-20 11:59:00,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:59:01,260 INFO L130 PetriNetUnfolder]: 420/2768 cut-off events. [2022-11-20 11:59:01,260 INFO L131 PetriNetUnfolder]: For 268/292 co-relation queries the response was YES. [2022-11-20 11:59:01,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4404 conditions, 2768 events. 420/2768 cut-off events. For 268/292 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 25893 event pairs, 281 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 4177. Up to 786 conditions per place. [2022-11-20 11:59:01,306 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-20 11:59:01,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 333 transitions, 908 flow [2022-11-20 11:59:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:59:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:59:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2022-11-20 11:59:01,310 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2022-11-20 11:59:01,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2022-11-20 11:59:01,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2022-11-20 11:59:01,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:59:01,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2022-11-20 11:59:01,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 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 11:59:01,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:59:01,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:59:01,316 INFO L175 Difference]: Start difference. First operand has 339 places, 331 transitions, 809 flow. Second operand 3 states and 1146 transitions. [2022-11-20 11:59:01,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 333 transitions, 908 flow [2022-11-20 11:59:01,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 333 transitions, 904 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:59:01,325 INFO L231 Difference]: Finished difference. Result has 338 places, 330 transitions, 807 flow [2022-11-20 11:59:01,326 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=338, PETRI_TRANSITIONS=330} [2022-11-20 11:59:01,327 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -69 predicate places. [2022-11-20 11:59:01,327 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 330 transitions, 807 flow [2022-11-20 11:59:01,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 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 11:59:01,328 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:59:01,328 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] [2022-11-20 11:59:01,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-20 11:59:01,328 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:59:01,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:01,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1183719220, now seen corresponding path program 1 times [2022-11-20 11:59:01,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:01,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366981866] [2022-11-20 11:59:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:01,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:01,819 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 11:59:01,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:01,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366981866] [2022-11-20 11:59:01,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366981866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:01,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:01,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:59:01,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929977739] [2022-11-20 11:59:01,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:01,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:59:01,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:01,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:59:01,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:59:01,824 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-20 11:59:01,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 330 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 394.1666666666667) internal successors, (2365), 6 states have internal predecessors, (2365), 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 11:59:01,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:59:01,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-20 11:59:01,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:59:02,245 INFO L130 PetriNetUnfolder]: 88/1706 cut-off events. [2022-11-20 11:59:02,246 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:59:02,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 1706 events. 88/1706 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12972 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2160. Up to 109 conditions per place. [2022-11-20 11:59:02,270 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 28 selfloop transitions, 4 changer transitions 0/329 dead transitions. [2022-11-20 11:59:02,271 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 329 transitions, 869 flow [2022-11-20 11:59:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:59:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:59:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2373 transitions. [2022-11-20 11:59:02,278 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9091954022988505 [2022-11-20 11:59:02,278 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2373 transitions. [2022-11-20 11:59:02,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2373 transitions. [2022-11-20 11:59:02,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:59:02,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2373 transitions. [2022-11-20 11:59:02,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 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 11:59:02,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:59:02,286 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:59:02,287 INFO L175 Difference]: Start difference. First operand has 338 places, 330 transitions, 807 flow. Second operand 6 states and 2373 transitions. [2022-11-20 11:59:02,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 329 transitions, 869 flow [2022-11-20 11:59:02,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 329 transitions, 865 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:59:02,295 INFO L231 Difference]: Finished difference. Result has 340 places, 329 transitions, 809 flow [2022-11-20 11:59:02,296 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=340, PETRI_TRANSITIONS=329} [2022-11-20 11:59:02,297 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -67 predicate places. [2022-11-20 11:59:02,297 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 329 transitions, 809 flow [2022-11-20 11:59:02,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.1666666666667) internal successors, (2365), 6 states have internal predecessors, (2365), 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 11:59:02,298 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:59:02,298 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] [2022-11-20 11:59:02,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 11:59:02,299 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:59:02,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:02,299 INFO L85 PathProgramCache]: Analyzing trace with hash -187809518, now seen corresponding path program 1 times [2022-11-20 11:59:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:02,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947323444] [2022-11-20 11:59:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:02,350 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 11:59:02,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:02,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947323444] [2022-11-20 11:59:02,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947323444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:02,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:02,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:59:02,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157917436] [2022-11-20 11:59:02,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:02,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:59:02,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:02,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:59:02,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:59:02,354 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-20 11:59:02,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 329 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 11:59:02,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:59:02,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-20 11:59:02,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:59:02,898 INFO L130 PetriNetUnfolder]: 280/2301 cut-off events. [2022-11-20 11:59:02,898 INFO L131 PetriNetUnfolder]: For 274/284 co-relation queries the response was YES. [2022-11-20 11:59:02,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3418 conditions, 2301 events. 280/2301 cut-off events. For 274/284 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 20089 event pairs, 168 based on Foata normal form. 0/2187 useless extension candidates. Maximal degree in co-relation 3130. Up to 533 conditions per place. [2022-11-20 11:59:02,933 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 41 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2022-11-20 11:59:02,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 331 transitions, 902 flow [2022-11-20 11:59:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:59:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:59:02,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1153 transitions. [2022-11-20 11:59:02,938 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8835249042145594 [2022-11-20 11:59:02,938 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1153 transitions. [2022-11-20 11:59:02,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1153 transitions. [2022-11-20 11:59:02,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:59:02,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1153 transitions. [2022-11-20 11:59:02,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 11:59:02,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:59:02,942 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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 11:59:02,943 INFO L175 Difference]: Start difference. First operand has 340 places, 329 transitions, 809 flow. Second operand 3 states and 1153 transitions. [2022-11-20 11:59:02,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 331 transitions, 902 flow [2022-11-20 11:59:02,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 331 transitions, 895 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:59:02,951 INFO L231 Difference]: Finished difference. Result has 337 places, 328 transitions, 804 flow [2022-11-20 11:59:02,952 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2022-11-20 11:59:02,952 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -70 predicate places. [2022-11-20 11:59:02,952 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 804 flow [2022-11-20 11:59:02,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 11:59:02,953 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:59:02,953 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 11:59:02,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 11:59:02,954 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-20 11:59:02,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:02,954 INFO L85 PathProgramCache]: Analyzing trace with hash 80939958, now seen corresponding path program 1 times [2022-11-20 11:59:02,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:02,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639863753] [2022-11-20 11:59:02,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:02,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:03,496 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 11:59:03,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:03,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639863753] [2022-11-20 11:59:03,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639863753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:03,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:03,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:59:03,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214117241] [2022-11-20 11:59:03,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:03,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:59:03,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:03,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:59:03,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:59:03,501 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-20 11:59:03,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 395.1666666666667) internal successors, (2371), 6 states have internal predecessors, (2371), 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 11:59:03,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:59:03,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-20 11:59:03,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:59:03,936 INFO L130 PetriNetUnfolder]: 88/1696 cut-off events. [2022-11-20 11:59:03,936 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-20 11:59:03,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1696 events. 88/1696 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12902 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2149. Up to 109 conditions per place. [2022-11-20 11:59:03,969 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2022-11-20 11:59:03,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 327 transitions, 864 flow [2022-11-20 11:59:03,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:59:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:59:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2022-11-20 11:59:03,974 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9088122605363985 [2022-11-20 11:59:03,974 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2372 transitions. [2022-11-20 11:59:03,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2372 transitions. [2022-11-20 11:59:03,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:59:03,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2372 transitions. [2022-11-20 11:59:03,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 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 11:59:03,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:59:03,985 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 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 11:59:03,985 INFO L175 Difference]: Start difference. First operand has 337 places, 328 transitions, 804 flow. Second operand 6 states and 2372 transitions. [2022-11-20 11:59:03,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 327 transitions, 864 flow [2022-11-20 11:59:03,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 327 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:59:03,991 INFO L231 Difference]: Finished difference. Result has 339 places, 0 transitions, 0 flow [2022-11-20 11:59:03,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=339, PETRI_TRANSITIONS=0} [2022-11-20 11:59:03,992 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -68 predicate places. [2022-11-20 11:59:03,992 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 0 transitions, 0 flow [2022-11-20 11:59:03,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.1666666666667) internal successors, (2371), 6 states have internal predecessors, (2371), 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 11:59:03,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (134 of 135 remaining) [2022-11-20 11:59:03,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (133 of 135 remaining) [2022-11-20 11:59:03,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (132 of 135 remaining) [2022-11-20 11:59:03,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (131 of 135 remaining) [2022-11-20 11:59:03,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (130 of 135 remaining) [2022-11-20 11:59:03,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (129 of 135 remaining) [2022-11-20 11:59:03,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (128 of 135 remaining) [2022-11-20 11:59:03,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (127 of 135 remaining) [2022-11-20 11:59:03,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (126 of 135 remaining) [2022-11-20 11:59:03,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (125 of 135 remaining) [2022-11-20 11:59:03,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (124 of 135 remaining) [2022-11-20 11:59:03,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (123 of 135 remaining) [2022-11-20 11:59:03,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (122 of 135 remaining) [2022-11-20 11:59:03,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (121 of 135 remaining) [2022-11-20 11:59:03,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (120 of 135 remaining) [2022-11-20 11:59:04,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (119 of 135 remaining) [2022-11-20 11:59:04,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 135 remaining) [2022-11-20 11:59:04,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (117 of 135 remaining) [2022-11-20 11:59:04,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (116 of 135 remaining) [2022-11-20 11:59:04,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (115 of 135 remaining) [2022-11-20 11:59:04,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (114 of 135 remaining) [2022-11-20 11:59:04,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (113 of 135 remaining) [2022-11-20 11:59:04,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (112 of 135 remaining) [2022-11-20 11:59:04,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (111 of 135 remaining) [2022-11-20 11:59:04,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (110 of 135 remaining) [2022-11-20 11:59:04,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (109 of 135 remaining) [2022-11-20 11:59:04,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (108 of 135 remaining) [2022-11-20 11:59:04,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (107 of 135 remaining) [2022-11-20 11:59:04,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (106 of 135 remaining) [2022-11-20 11:59:04,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (105 of 135 remaining) [2022-11-20 11:59:04,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (104 of 135 remaining) [2022-11-20 11:59:04,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (103 of 135 remaining) [2022-11-20 11:59:04,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (102 of 135 remaining) [2022-11-20 11:59:04,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (101 of 135 remaining) [2022-11-20 11:59:04,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (100 of 135 remaining) [2022-11-20 11:59:04,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (99 of 135 remaining) [2022-11-20 11:59:04,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (98 of 135 remaining) [2022-11-20 11:59:04,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (97 of 135 remaining) [2022-11-20 11:59:04,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (96 of 135 remaining) [2022-11-20 11:59:04,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (95 of 135 remaining) [2022-11-20 11:59:04,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (94 of 135 remaining) [2022-11-20 11:59:04,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (93 of 135 remaining) [2022-11-20 11:59:04,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (92 of 135 remaining) [2022-11-20 11:59:04,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (91 of 135 remaining) [2022-11-20 11:59:04,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (90 of 135 remaining) [2022-11-20 11:59:04,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (89 of 135 remaining) [2022-11-20 11:59:04,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (88 of 135 remaining) [2022-11-20 11:59:04,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (87 of 135 remaining) [2022-11-20 11:59:04,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (86 of 135 remaining) [2022-11-20 11:59:04,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (85 of 135 remaining) [2022-11-20 11:59:04,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (84 of 135 remaining) [2022-11-20 11:59:04,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (83 of 135 remaining) [2022-11-20 11:59:04,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (82 of 135 remaining) [2022-11-20 11:59:04,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (81 of 135 remaining) [2022-11-20 11:59:04,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (80 of 135 remaining) [2022-11-20 11:59:04,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (79 of 135 remaining) [2022-11-20 11:59:04,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (78 of 135 remaining) [2022-11-20 11:59:04,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (77 of 135 remaining) [2022-11-20 11:59:04,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (76 of 135 remaining) [2022-11-20 11:59:04,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (75 of 135 remaining) [2022-11-20 11:59:04,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (74 of 135 remaining) [2022-11-20 11:59:04,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 135 remaining) [2022-11-20 11:59:04,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 135 remaining) [2022-11-20 11:59:04,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 135 remaining) [2022-11-20 11:59:04,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 135 remaining) [2022-11-20 11:59:04,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 135 remaining) [2022-11-20 11:59:04,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 135 remaining) [2022-11-20 11:59:04,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 135 remaining) [2022-11-20 11:59:04,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 135 remaining) [2022-11-20 11:59:04,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 135 remaining) [2022-11-20 11:59:04,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 135 remaining) [2022-11-20 11:59:04,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 135 remaining) [2022-11-20 11:59:04,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 135 remaining) [2022-11-20 11:59:04,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 135 remaining) [2022-11-20 11:59:04,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 135 remaining) [2022-11-20 11:59:04,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 135 remaining) [2022-11-20 11:59:04,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 135 remaining) [2022-11-20 11:59:04,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 135 remaining) [2022-11-20 11:59:04,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 135 remaining) [2022-11-20 11:59:04,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 135 remaining) [2022-11-20 11:59:04,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 135 remaining) [2022-11-20 11:59:04,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 135 remaining) [2022-11-20 11:59:04,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 135 remaining) [2022-11-20 11:59:04,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 135 remaining) [2022-11-20 11:59:04,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 135 remaining) [2022-11-20 11:59:04,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 135 remaining) [2022-11-20 11:59:04,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 135 remaining) [2022-11-20 11:59:04,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 135 remaining) [2022-11-20 11:59:04,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 135 remaining) [2022-11-20 11:59:04,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 135 remaining) [2022-11-20 11:59:04,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 135 remaining) [2022-11-20 11:59:04,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 135 remaining) [2022-11-20 11:59:04,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 135 remaining) [2022-11-20 11:59:04,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 135 remaining) [2022-11-20 11:59:04,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 135 remaining) [2022-11-20 11:59:04,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 135 remaining) [2022-11-20 11:59:04,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 135 remaining) [2022-11-20 11:59:04,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 135 remaining) [2022-11-20 11:59:04,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 135 remaining) [2022-11-20 11:59:04,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 135 remaining) [2022-11-20 11:59:04,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 135 remaining) [2022-11-20 11:59:04,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 135 remaining) [2022-11-20 11:59:04,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 135 remaining) [2022-11-20 11:59:04,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 135 remaining) [2022-11-20 11:59:04,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 135 remaining) [2022-11-20 11:59:04,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 135 remaining) [2022-11-20 11:59:04,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 135 remaining) [2022-11-20 11:59:04,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 135 remaining) [2022-11-20 11:59:04,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 135 remaining) [2022-11-20 11:59:04,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 135 remaining) [2022-11-20 11:59:04,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 135 remaining) [2022-11-20 11:59:04,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 135 remaining) [2022-11-20 11:59:04,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 135 remaining) [2022-11-20 11:59:04,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 135 remaining) [2022-11-20 11:59:04,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 135 remaining) [2022-11-20 11:59:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 135 remaining) [2022-11-20 11:59:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 135 remaining) [2022-11-20 11:59:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 135 remaining) [2022-11-20 11:59:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 135 remaining) [2022-11-20 11:59:04,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 135 remaining) [2022-11-20 11:59:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 135 remaining) [2022-11-20 11:59:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 135 remaining) [2022-11-20 11:59:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 135 remaining) [2022-11-20 11:59:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 135 remaining) [2022-11-20 11:59:04,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 135 remaining) [2022-11-20 11:59:04,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 135 remaining) [2022-11-20 11:59:04,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 135 remaining) [2022-11-20 11:59:04,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 135 remaining) [2022-11-20 11:59:04,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 135 remaining) [2022-11-20 11:59:04,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 135 remaining) [2022-11-20 11:59:04,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 135 remaining) [2022-11-20 11:59:04,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 135 remaining) [2022-11-20 11:59:04,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 135 remaining) [2022-11-20 11:59:04,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 135 remaining) [2022-11-20 11:59:04,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 135 remaining) [2022-11-20 11:59:04,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 11:59:04,024 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-20 11:59:04,032 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:59:04,032 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:59:04,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:59:04 BasicIcfg [2022-11-20 11:59:04,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:59:04,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:59:04,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:59:04,039 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:59:04,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:58:33" (3/4) ... [2022-11-20 11:59:04,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:59:04,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 11:59:04,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 11:59:04,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 11:59:04,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-20 11:59:04,057 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 11:59:04,057 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:59:04,058 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:59:04,058 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:59:04,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:59:04,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:59:04,108 INFO L158 Benchmark]: Toolchain (without parser) took 31820.94ms. Allocated memory was 172.0MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 139.7MB in the beginning and 873.7MB in the end (delta: -733.9MB). Peak memory consumption was 232.8MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,108 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 172.0MB. Free memory was 143.1MB in the beginning and 143.0MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:59:04,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.68ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 127.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.34ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 125.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,109 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 172.0MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,110 INFO L158 Benchmark]: RCFGBuilder took 1144.42ms. Allocated memory is still 172.0MB. Free memory was 122.9MB in the beginning and 93.9MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,110 INFO L158 Benchmark]: TraceAbstraction took 30155.13ms. Allocated memory was 172.0MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 93.6MB in the beginning and 877.9MB in the end (delta: -784.3MB). Peak memory consumption was 732.0MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,111 INFO L158 Benchmark]: Witness Printer took 68.28ms. Allocated memory is still 1.1GB. Free memory was 877.9MB in the beginning and 873.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:59:04,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 172.0MB. Free memory was 143.1MB in the beginning and 143.0MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.68ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 127.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.34ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 125.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 172.0MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1144.42ms. Allocated memory is still 172.0MB. Free memory was 122.9MB in the beginning and 93.9MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 30155.13ms. Allocated memory was 172.0MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 93.6MB in the beginning and 877.9MB in the end (delta: -784.3MB). Peak memory consumption was 732.0MB. Max. memory is 16.1GB. * Witness Printer took 68.28ms. Allocated memory is still 1.1GB. Free memory was 877.9MB in the beginning and 873.7MB 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: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 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: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 658 locations, 135 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: 29.9s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 936 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1564 IncrementalHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 927 mSDtfsCounter, 1564 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=838occurred in iteration=9, InterpolantAutomatonStates: 107, 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, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2803 NumberOfCodeBlocks, 2803 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2772 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:59:04,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cd9684-a840-4fa7-81ff-aa2ad63d1e2d/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