./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --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_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/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_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/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_09e1b1e0-9490-417f-8766-0341e5551906/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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- 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 09:29:56,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:29:56,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:29:56,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:29:56,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:29:56,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:29:56,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:29:56,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:29:56,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:29:56,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:29:56,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:29:56,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:29:56,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:29:56,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:29:56,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:29:56,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:29:56,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:29:56,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:29:56,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:29:56,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:29:56,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:29:56,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:29:56,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:29:56,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:29:56,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:29:56,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:29:56,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:29:56,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:29:56,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:29:56,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:29:56,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:29:56,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:29:56,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:29:56,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:29:56,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:29:56,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:29:56,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:29:56,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:29:56,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:29:56,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:29:56,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:29:56,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 09:29:56,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:29:56,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:29:56,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:29:56,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:29:56,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:29:56,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:29:56,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:29:56,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:29:56,644 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:29:56,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:29:56,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:29:56,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:29:56,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:29:56,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:29:56,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:29:56,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:29:56,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:29:56,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:29:56,648 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 09:29:56,648 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:29:56,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:29:56,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:29:56,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:29:56,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:29:56,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:29:56,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:29:56,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:56,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:29:56,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:29:56,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:29:56,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:29:56,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:29:56,652 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:29:56,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:29:56,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:29:56,653 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_09e1b1e0-9490-417f-8766-0341e5551906/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2022-11-20 09:29:56,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:29:56,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:29:56,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:29:56,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:29:56,995 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:29:56,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-20 09:30:00,073 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:30:00,409 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:30:00,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-20 09:30:00,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/data/08d10bc2c/fcfdba0ba95f4097b5d31c02dd66b89f/FLAG31d120106 [2022-11-20 09:30:00,442 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/data/08d10bc2c/fcfdba0ba95f4097b5d31c02dd66b89f [2022-11-20 09:30:00,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:30:00,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:30:00,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:00,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:30:00,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:30:00,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:00" (1/1) ... [2022-11-20 09:30:00,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71574659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:00, skipping insertion in model container [2022-11-20 09:30:00,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:00" (1/1) ... [2022-11-20 09:30:00,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:30:00,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:30:00,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:30:00,966 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_09e1b1e0-9490-417f-8766-0341e5551906/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-20 09:30:00,980 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_09e1b1e0-9490-417f-8766-0341e5551906/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-20 09:30:00,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:01,009 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:30:01,025 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:30:01,047 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_09e1b1e0-9490-417f-8766-0341e5551906/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-20 09:30:01,053 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_09e1b1e0-9490-417f-8766-0341e5551906/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-20 09:30:01,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:01,101 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:30:01,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01 WrapperNode [2022-11-20 09:30:01,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:01,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:01,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:30:01,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:30:01,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,178 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-20 09:30:01,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:01,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:30:01,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:30:01,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:30:01,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:30:01,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:30:01,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:30:01,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:30:01,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (1/1) ... [2022-11-20 09:30:01,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:01,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:01,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:30:01,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:30:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:30:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-20 09:30:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-20 09:30:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 09:30:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 09:30:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:30:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 09:30:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:30:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:30:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:30:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:30:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 09:30:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:30:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:30:01,379 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 09:30:01,634 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:30:01,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:30:02,082 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:02,225 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:02,226 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-20 09:30:02,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:02 BoogieIcfgContainer [2022-11-20 09:30:02,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:02,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:02,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:02,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:02,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:30:00" (1/3) ... [2022-11-20 09:30:02,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630bf31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:02, skipping insertion in model container [2022-11-20 09:30:02,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:01" (2/3) ... [2022-11-20 09:30:02,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630bf31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:02, skipping insertion in model container [2022-11-20 09:30:02,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:02" (3/3) ... [2022-11-20 09:30:02,268 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-11-20 09:30:02,281 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 09:30:02,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:02,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-20 09:30:02,294 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 09:30:02,400 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 09:30:02,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 191 transitions, 398 flow [2022-11-20 09:30:02,520 INFO L130 PetriNetUnfolder]: 24/189 cut-off events. [2022-11-20 09:30:02,520 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 09:30:02,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 24/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 549 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2022-11-20 09:30:02,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 191 transitions, 398 flow [2022-11-20 09:30:02,543 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 162 places, 179 transitions, 367 flow [2022-11-20 09:30:02,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:02,563 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;@1728bedb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:02,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2022-11-20 09:30:02,576 INFO L130 PetriNetUnfolder]: 1/34 cut-off events. [2022-11-20 09:30:02,576 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 09:30:02,577 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:02,577 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] [2022-11-20 09:30:02,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:02,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1211128363, now seen corresponding path program 1 times [2022-11-20 09:30:02,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:02,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445057603] [2022-11-20 09:30:02,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:02,909 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 09:30:02,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:02,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445057603] [2022-11-20 09:30:02,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445057603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:02,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:02,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 09:30:02,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595533727] [2022-11-20 09:30:02,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:02,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:30:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:02,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:30:02,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:30:02,992 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 191 [2022-11-20 09:30:02,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 179 transitions, 367 flow. Second operand has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:02,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:02,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 191 [2022-11-20 09:30:02,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:03,489 INFO L130 PetriNetUnfolder]: 371/1165 cut-off events. [2022-11-20 09:30:03,489 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-20 09:30:03,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1774 conditions, 1165 events. 371/1165 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7097 event pairs, 195 based on Foata normal form. 215/1188 useless extension candidates. Maximal degree in co-relation 1626. Up to 562 conditions per place. [2022-11-20 09:30:03,509 INFO L137 encePairwiseOnDemand]: 147/191 looper letters, 35 selfloop transitions, 0 changer transitions 0/135 dead transitions. [2022-11-20 09:30:03,509 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 135 transitions, 349 flow [2022-11-20 09:30:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:30:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-20 09:30:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 301 transitions. [2022-11-20 09:30:03,531 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7879581151832461 [2022-11-20 09:30:03,532 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 301 transitions. [2022-11-20 09:30:03,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 301 transitions. [2022-11-20 09:30:03,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:03,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 301 transitions. [2022-11-20 09:30:03,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 150.5) internal successors, (301), 2 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:03,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:03,550 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:03,552 INFO L175 Difference]: Start difference. First operand has 162 places, 179 transitions, 367 flow. Second operand 2 states and 301 transitions. [2022-11-20 09:30:03,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 135 transitions, 349 flow [2022-11-20 09:30:03,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 135 transitions, 344 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 09:30:03,566 INFO L231 Difference]: Finished difference. Result has 128 places, 135 transitions, 274 flow [2022-11-20 09:30:03,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=274, PETRI_PLACES=128, PETRI_TRANSITIONS=135} [2022-11-20 09:30:03,576 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -34 predicate places. [2022-11-20 09:30:03,577 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 135 transitions, 274 flow [2022-11-20 09:30:03,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:03,577 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:03,578 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 09:30:03,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:30:03,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:03,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:03,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1928989803, now seen corresponding path program 1 times [2022-11-20 09:30:03,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:03,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25051365] [2022-11-20 09:30:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:03,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:03,716 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 09:30:03,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:03,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25051365] [2022-11-20 09:30:03,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25051365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:03,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:03,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:03,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987102212] [2022-11-20 09:30:03,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:03,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:03,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:03,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:03,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:03,721 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 191 [2022-11-20 09:30:03,722 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 135 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:03,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:03,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 191 [2022-11-20 09:30:03,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:04,206 INFO L130 PetriNetUnfolder]: 694/1741 cut-off events. [2022-11-20 09:30:04,206 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-20 09:30:04,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2930 conditions, 1741 events. 694/1741 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 10926 event pairs, 385 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 2927. Up to 1050 conditions per place. [2022-11-20 09:30:04,223 INFO L137 encePairwiseOnDemand]: 185/191 looper letters, 69 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2022-11-20 09:30:04,223 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 160 transitions, 474 flow [2022-11-20 09:30:04,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2022-11-20 09:30:04,226 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6387434554973822 [2022-11-20 09:30:04,226 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2022-11-20 09:30:04,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2022-11-20 09:30:04,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:04,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2022-11-20 09:30:04,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:04,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:04,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:04,235 INFO L175 Difference]: Start difference. First operand has 128 places, 135 transitions, 274 flow. Second operand 3 states and 366 transitions. [2022-11-20 09:30:04,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 160 transitions, 474 flow [2022-11-20 09:30:04,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 160 transitions, 474 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 09:30:04,243 INFO L231 Difference]: Finished difference. Result has 132 places, 139 transitions, 312 flow [2022-11-20 09:30:04,245 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=132, PETRI_TRANSITIONS=139} [2022-11-20 09:30:04,246 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -30 predicate places. [2022-11-20 09:30:04,247 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 139 transitions, 312 flow [2022-11-20 09:30:04,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:04,248 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:04,248 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] [2022-11-20 09:30:04,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:30:04,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:04,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:04,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1943278595, now seen corresponding path program 1 times [2022-11-20 09:30:04,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:04,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121991156] [2022-11-20 09:30:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:04,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,893 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 09:30:04,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:04,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121991156] [2022-11-20 09:30:04,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121991156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:04,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:04,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:30:04,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803107659] [2022-11-20 09:30:04,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:04,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:04,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:04,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:04,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:04,904 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 191 [2022-11-20 09:30:04,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 139 transitions, 312 flow. Second operand has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:04,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:04,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 191 [2022-11-20 09:30:04,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:06,070 INFO L130 PetriNetUnfolder]: 3588/6102 cut-off events. [2022-11-20 09:30:06,070 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-11-20 09:30:06,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11350 conditions, 6102 events. 3588/6102 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 40911 event pairs, 558 based on Foata normal form. 0/5639 useless extension candidates. Maximal degree in co-relation 11345. Up to 1666 conditions per place. [2022-11-20 09:30:06,114 INFO L137 encePairwiseOnDemand]: 186/191 looper letters, 174 selfloop transitions, 4 changer transitions 0/266 dead transitions. [2022-11-20 09:30:06,114 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 266 transitions, 922 flow [2022-11-20 09:30:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:30:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 09:30:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 737 transitions. [2022-11-20 09:30:06,118 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6431064572425829 [2022-11-20 09:30:06,119 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 737 transitions. [2022-11-20 09:30:06,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 737 transitions. [2022-11-20 09:30:06,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:06,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 737 transitions. [2022-11-20 09:30:06,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 122.83333333333333) internal successors, (737), 6 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,125 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,125 INFO L175 Difference]: Start difference. First operand has 132 places, 139 transitions, 312 flow. Second operand 6 states and 737 transitions. [2022-11-20 09:30:06,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 266 transitions, 922 flow [2022-11-20 09:30:06,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 266 transitions, 912 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:30:06,139 INFO L231 Difference]: Finished difference. Result has 134 places, 138 transitions, 308 flow [2022-11-20 09:30:06,140 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=134, PETRI_TRANSITIONS=138} [2022-11-20 09:30:06,142 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -28 predicate places. [2022-11-20 09:30:06,142 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 138 transitions, 308 flow [2022-11-20 09:30:06,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,143 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:06,144 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] [2022-11-20 09:30:06,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:30:06,144 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:06,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:06,146 INFO L85 PathProgramCache]: Analyzing trace with hash -126394811, now seen corresponding path program 1 times [2022-11-20 09:30:06,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:06,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328027874] [2022-11-20 09:30:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:06,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:06,224 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 09:30:06,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:06,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328027874] [2022-11-20 09:30:06,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328027874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:06,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:06,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:06,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062939704] [2022-11-20 09:30:06,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:06,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:06,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:06,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:06,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:06,229 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 191 [2022-11-20 09:30:06,230 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 138 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:06,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 191 [2022-11-20 09:30:06,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:06,644 INFO L130 PetriNetUnfolder]: 603/1628 cut-off events. [2022-11-20 09:30:06,645 INFO L131 PetriNetUnfolder]: For 125/127 co-relation queries the response was YES. [2022-11-20 09:30:06,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2819 conditions, 1628 events. 603/1628 cut-off events. For 125/127 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10298 event pairs, 221 based on Foata normal form. 1/1417 useless extension candidates. Maximal degree in co-relation 2814. Up to 627 conditions per place. [2022-11-20 09:30:06,659 INFO L137 encePairwiseOnDemand]: 183/191 looper letters, 88 selfloop transitions, 7 changer transitions 0/183 dead transitions. [2022-11-20 09:30:06,659 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 183 transitions, 603 flow [2022-11-20 09:30:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2022-11-20 09:30:06,661 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.680628272251309 [2022-11-20 09:30:06,661 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2022-11-20 09:30:06,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2022-11-20 09:30:06,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:06,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2022-11-20 09:30:06,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,666 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,666 INFO L175 Difference]: Start difference. First operand has 134 places, 138 transitions, 308 flow. Second operand 3 states and 390 transitions. [2022-11-20 09:30:06,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 183 transitions, 603 flow [2022-11-20 09:30:06,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 183 transitions, 596 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 09:30:06,670 INFO L231 Difference]: Finished difference. Result has 134 places, 144 transitions, 363 flow [2022-11-20 09:30:06,671 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=363, PETRI_PLACES=134, PETRI_TRANSITIONS=144} [2022-11-20 09:30:06,672 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -28 predicate places. [2022-11-20 09:30:06,672 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 144 transitions, 363 flow [2022-11-20 09:30:06,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,673 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:06,673 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 09:30:06,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:30:06,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:06,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:06,674 INFO L85 PathProgramCache]: Analyzing trace with hash -229205227, now seen corresponding path program 1 times [2022-11-20 09:30:06,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:06,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350113933] [2022-11-20 09:30:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:06,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:06,708 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 09:30:06,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:06,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350113933] [2022-11-20 09:30:06,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350113933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:06,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:06,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:06,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196299257] [2022-11-20 09:30:06,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:06,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:06,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:06,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:06,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:06,712 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 191 [2022-11-20 09:30:06,713 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 144 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:06,713 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:06,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 191 [2022-11-20 09:30:06,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:07,066 INFO L130 PetriNetUnfolder]: 655/1740 cut-off events. [2022-11-20 09:30:07,066 INFO L131 PetriNetUnfolder]: For 382/382 co-relation queries the response was YES. [2022-11-20 09:30:07,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 1740 events. 655/1740 cut-off events. For 382/382 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 11021 event pairs, 331 based on Foata normal form. 0/1533 useless extension candidates. Maximal degree in co-relation 3257. Up to 982 conditions per place. [2022-11-20 09:30:07,078 INFO L137 encePairwiseOnDemand]: 185/191 looper letters, 78 selfloop transitions, 7 changer transitions 0/171 dead transitions. [2022-11-20 09:30:07,078 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 171 transitions, 610 flow [2022-11-20 09:30:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:30:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2022-11-20 09:30:07,080 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6387434554973822 [2022-11-20 09:30:07,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2022-11-20 09:30:07,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2022-11-20 09:30:07,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:07,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2022-11-20 09:30:07,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,085 INFO L175 Difference]: Start difference. First operand has 134 places, 144 transitions, 363 flow. Second operand 3 states and 366 transitions. [2022-11-20 09:30:07,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 171 transitions, 610 flow [2022-11-20 09:30:07,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 171 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:30:07,090 INFO L231 Difference]: Finished difference. Result has 136 places, 148 transitions, 401 flow [2022-11-20 09:30:07,090 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=136, PETRI_TRANSITIONS=148} [2022-11-20 09:30:07,091 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -26 predicate places. [2022-11-20 09:30:07,091 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 148 transitions, 401 flow [2022-11-20 09:30:07,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,092 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:07,092 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:07,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:30:07,093 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:07,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:07,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1750044926, now seen corresponding path program 1 times [2022-11-20 09:30:07,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:07,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371456202] [2022-11-20 09:30:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:07,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:07,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:07,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371456202] [2022-11-20 09:30:07,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371456202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:07,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:07,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:07,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884886792] [2022-11-20 09:30:07,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:07,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:07,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:07,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:07,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:07,154 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 191 [2022-11-20 09:30:07,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 148 transitions, 401 flow. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:07,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 191 [2022-11-20 09:30:07,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:07,717 INFO L130 PetriNetUnfolder]: 1115/3103 cut-off events. [2022-11-20 09:30:07,717 INFO L131 PetriNetUnfolder]: For 442/452 co-relation queries the response was YES. [2022-11-20 09:30:07,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5610 conditions, 3103 events. 1115/3103 cut-off events. For 442/452 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 23712 event pairs, 173 based on Foata normal form. 0/2698 useless extension candidates. Maximal degree in co-relation 5603. Up to 850 conditions per place. [2022-11-20 09:30:07,742 INFO L137 encePairwiseOnDemand]: 177/191 looper letters, 104 selfloop transitions, 15 changer transitions 0/223 dead transitions. [2022-11-20 09:30:07,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 223 transitions, 792 flow [2022-11-20 09:30:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:30:07,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 637 transitions. [2022-11-20 09:30:07,745 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6670157068062827 [2022-11-20 09:30:07,745 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 637 transitions. [2022-11-20 09:30:07,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 637 transitions. [2022-11-20 09:30:07,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:07,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 637 transitions. [2022-11-20 09:30:07,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:07,751 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:07,751 INFO L175 Difference]: Start difference. First operand has 136 places, 148 transitions, 401 flow. Second operand 5 states and 637 transitions. [2022-11-20 09:30:07,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 223 transitions, 792 flow [2022-11-20 09:30:07,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 223 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:30:07,758 INFO L231 Difference]: Finished difference. Result has 142 places, 163 transitions, 521 flow [2022-11-20 09:30:07,759 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=521, PETRI_PLACES=142, PETRI_TRANSITIONS=163} [2022-11-20 09:30:07,759 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -20 predicate places. [2022-11-20 09:30:07,760 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 163 transitions, 521 flow [2022-11-20 09:30:07,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,760 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:07,761 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:07,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:30:07,761 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:07,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:07,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2005830412, now seen corresponding path program 2 times [2022-11-20 09:30:07,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:07,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131024213] [2022-11-20 09:30:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:07,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:07,823 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 09:30:07,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:07,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131024213] [2022-11-20 09:30:07,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131024213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:07,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:07,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:07,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959754138] [2022-11-20 09:30:07,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:07,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:07,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:07,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:07,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:07,827 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-20 09:30:07,828 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 163 transitions, 521 flow. Second operand has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:07,828 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:07,828 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-20 09:30:07,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:08,889 INFO L130 PetriNetUnfolder]: 2163/6383 cut-off events. [2022-11-20 09:30:08,889 INFO L131 PetriNetUnfolder]: For 2903/3081 co-relation queries the response was YES. [2022-11-20 09:30:08,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13045 conditions, 6383 events. 2163/6383 cut-off events. For 2903/3081 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 58123 event pairs, 224 based on Foata normal form. 3/5718 useless extension candidates. Maximal degree in co-relation 13035. Up to 1191 conditions per place. [2022-11-20 09:30:08,945 INFO L137 encePairwiseOnDemand]: 187/191 looper letters, 177 selfloop transitions, 6 changer transitions 0/293 dead transitions. [2022-11-20 09:30:08,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 293 transitions, 1379 flow [2022-11-20 09:30:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:30:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 672 transitions. [2022-11-20 09:30:08,949 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7036649214659686 [2022-11-20 09:30:08,949 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 672 transitions. [2022-11-20 09:30:08,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 672 transitions. [2022-11-20 09:30:08,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:08,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 672 transitions. [2022-11-20 09:30:08,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:08,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:08,954 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:08,955 INFO L175 Difference]: Start difference. First operand has 142 places, 163 transitions, 521 flow. Second operand 5 states and 672 transitions. [2022-11-20 09:30:08,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 293 transitions, 1379 flow [2022-11-20 09:30:08,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 293 transitions, 1379 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 09:30:08,969 INFO L231 Difference]: Finished difference. Result has 150 places, 169 transitions, 571 flow [2022-11-20 09:30:08,969 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=571, PETRI_PLACES=150, PETRI_TRANSITIONS=169} [2022-11-20 09:30:08,970 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -12 predicate places. [2022-11-20 09:30:08,970 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 169 transitions, 571 flow [2022-11-20 09:30:08,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:08,971 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:08,971 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:08,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:30:08,971 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:08,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:08,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1295391794, now seen corresponding path program 3 times [2022-11-20 09:30:08,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:08,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415876814] [2022-11-20 09:30:08,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:08,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,029 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 09:30:09,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:09,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415876814] [2022-11-20 09:30:09,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415876814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:09,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:09,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:09,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709087594] [2022-11-20 09:30:09,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:09,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:09,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:09,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:09,033 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 191 [2022-11-20 09:30:09,033 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 169 transitions, 571 flow. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:09,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:09,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 191 [2022-11-20 09:30:09,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:10,593 INFO L130 PetriNetUnfolder]: 3554/9528 cut-off events. [2022-11-20 09:30:10,593 INFO L131 PetriNetUnfolder]: For 5330/5604 co-relation queries the response was YES. [2022-11-20 09:30:10,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21115 conditions, 9528 events. 3554/9528 cut-off events. For 5330/5604 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 88932 event pairs, 694 based on Foata normal form. 20/8636 useless extension candidates. Maximal degree in co-relation 21101. Up to 3126 conditions per place. [2022-11-20 09:30:10,691 INFO L137 encePairwiseOnDemand]: 177/191 looper letters, 131 selfloop transitions, 16 changer transitions 0/251 dead transitions. [2022-11-20 09:30:10,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 251 transitions, 1132 flow [2022-11-20 09:30:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:30:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 636 transitions. [2022-11-20 09:30:10,695 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6659685863874345 [2022-11-20 09:30:10,695 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 636 transitions. [2022-11-20 09:30:10,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 636 transitions. [2022-11-20 09:30:10,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:10,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 636 transitions. [2022-11-20 09:30:10,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:10,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:10,700 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:10,701 INFO L175 Difference]: Start difference. First operand has 150 places, 169 transitions, 571 flow. Second operand 5 states and 636 transitions. [2022-11-20 09:30:10,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 251 transitions, 1132 flow [2022-11-20 09:30:10,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 251 transitions, 1132 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 09:30:10,718 INFO L231 Difference]: Finished difference. Result has 158 places, 184 transitions, 721 flow [2022-11-20 09:30:10,719 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=721, PETRI_PLACES=158, PETRI_TRANSITIONS=184} [2022-11-20 09:30:10,719 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -4 predicate places. [2022-11-20 09:30:10,720 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 184 transitions, 721 flow [2022-11-20 09:30:10,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:10,720 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:10,720 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:10,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:30:10,721 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:10,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:10,721 INFO L85 PathProgramCache]: Analyzing trace with hash 768081600, now seen corresponding path program 4 times [2022-11-20 09:30:10,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:10,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117027501] [2022-11-20 09:30:10,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:10,840 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 09:30:10,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:10,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117027501] [2022-11-20 09:30:10,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117027501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:10,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:10,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:10,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58777281] [2022-11-20 09:30:10,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:10,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:10,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:10,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:10,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:10,843 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-20 09:30:10,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 184 transitions, 721 flow. Second operand has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:10,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:10,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-20 09:30:10,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:12,855 INFO L130 PetriNetUnfolder]: 4014/11521 cut-off events. [2022-11-20 09:30:12,855 INFO L131 PetriNetUnfolder]: For 10818/11360 co-relation queries the response was YES. [2022-11-20 09:30:12,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28171 conditions, 11521 events. 4014/11521 cut-off events. For 10818/11360 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 114972 event pairs, 539 based on Foata normal form. 15/10857 useless extension candidates. Maximal degree in co-relation 28153. Up to 2345 conditions per place. [2022-11-20 09:30:12,952 INFO L137 encePairwiseOnDemand]: 187/191 looper letters, 236 selfloop transitions, 11 changer transitions 0/357 dead transitions. [2022-11-20 09:30:12,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 357 transitions, 2110 flow [2022-11-20 09:30:12,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:30:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 674 transitions. [2022-11-20 09:30:12,956 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7057591623036649 [2022-11-20 09:30:12,956 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 674 transitions. [2022-11-20 09:30:12,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 674 transitions. [2022-11-20 09:30:12,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:12,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 674 transitions. [2022-11-20 09:30:12,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:12,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:12,961 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:12,961 INFO L175 Difference]: Start difference. First operand has 158 places, 184 transitions, 721 flow. Second operand 5 states and 674 transitions. [2022-11-20 09:30:12,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 357 transitions, 2110 flow [2022-11-20 09:30:12,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 357 transitions, 2102 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-20 09:30:12,991 INFO L231 Difference]: Finished difference. Result has 166 places, 192 transitions, 813 flow [2022-11-20 09:30:12,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=813, PETRI_PLACES=166, PETRI_TRANSITIONS=192} [2022-11-20 09:30:12,993 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 4 predicate places. [2022-11-20 09:30:12,994 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 192 transitions, 813 flow [2022-11-20 09:30:12,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:12,994 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:12,994 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 09:30:12,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:30:12,995 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1839013306, now seen corresponding path program 1 times [2022-11-20 09:30:12,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:12,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072809103] [2022-11-20 09:30:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:13,079 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 09:30:13,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:13,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072809103] [2022-11-20 09:30:13,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072809103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:13,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:13,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:13,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071677901] [2022-11-20 09:30:13,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:13,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:13,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:13,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:13,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:13,082 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-20 09:30:13,083 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 192 transitions, 813 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:13,083 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:13,083 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-20 09:30:13,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:14,617 INFO L130 PetriNetUnfolder]: 3397/10412 cut-off events. [2022-11-20 09:30:14,617 INFO L131 PetriNetUnfolder]: For 10032/10515 co-relation queries the response was YES. [2022-11-20 09:30:14,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25313 conditions, 10412 events. 3397/10412 cut-off events. For 10032/10515 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 102781 event pairs, 704 based on Foata normal form. 8/9744 useless extension candidates. Maximal degree in co-relation 25291. Up to 3480 conditions per place. [2022-11-20 09:30:14,839 INFO L137 encePairwiseOnDemand]: 184/191 looper letters, 144 selfloop transitions, 11 changer transitions 0/265 dead transitions. [2022-11-20 09:30:14,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 265 transitions, 1516 flow [2022-11-20 09:30:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:30:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 623 transitions. [2022-11-20 09:30:14,842 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6523560209424084 [2022-11-20 09:30:14,842 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 623 transitions. [2022-11-20 09:30:14,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 623 transitions. [2022-11-20 09:30:14,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:14,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 623 transitions. [2022-11-20 09:30:14,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:14,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:14,848 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:14,848 INFO L175 Difference]: Start difference. First operand has 166 places, 192 transitions, 813 flow. Second operand 5 states and 623 transitions. [2022-11-20 09:30:14,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 265 transitions, 1516 flow [2022-11-20 09:30:14,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 265 transitions, 1508 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-20 09:30:14,891 INFO L231 Difference]: Finished difference. Result has 173 places, 198 transitions, 866 flow [2022-11-20 09:30:14,892 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=866, PETRI_PLACES=173, PETRI_TRANSITIONS=198} [2022-11-20 09:30:14,893 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 11 predicate places. [2022-11-20 09:30:14,893 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 198 transitions, 866 flow [2022-11-20 09:30:14,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:14,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:14,894 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 09:30:14,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 09:30:14,894 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:14,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:14,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1291163932, now seen corresponding path program 1 times [2022-11-20 09:30:14,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:14,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99543431] [2022-11-20 09:30:14,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:14,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:15,002 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 09:30:15,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:15,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99543431] [2022-11-20 09:30:15,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99543431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:15,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:15,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:30:15,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191245485] [2022-11-20 09:30:15,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:15,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:30:15,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:15,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:30:15,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:30:15,007 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-20 09:30:15,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 198 transitions, 866 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:15,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:15,009 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-20 09:30:15,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:16,291 INFO L130 PetriNetUnfolder]: 2389/7126 cut-off events. [2022-11-20 09:30:16,291 INFO L131 PetriNetUnfolder]: For 7651/7966 co-relation queries the response was YES. [2022-11-20 09:30:16,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18702 conditions, 7126 events. 2389/7126 cut-off events. For 7651/7966 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 64628 event pairs, 539 based on Foata normal form. 7/6794 useless extension candidates. Maximal degree in co-relation 18676. Up to 2691 conditions per place. [2022-11-20 09:30:16,364 INFO L137 encePairwiseOnDemand]: 184/191 looper letters, 147 selfloop transitions, 11 changer transitions 0/252 dead transitions. [2022-11-20 09:30:16,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 252 transitions, 1475 flow [2022-11-20 09:30:16,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:30:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 624 transitions. [2022-11-20 09:30:16,370 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6534031413612565 [2022-11-20 09:30:16,370 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 624 transitions. [2022-11-20 09:30:16,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 624 transitions. [2022-11-20 09:30:16,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:16,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 624 transitions. [2022-11-20 09:30:16,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:16,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:16,378 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 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 09:30:16,378 INFO L175 Difference]: Start difference. First operand has 173 places, 198 transitions, 866 flow. Second operand 5 states and 624 transitions. [2022-11-20 09:30:16,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 252 transitions, 1475 flow [2022-11-20 09:30:16,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 252 transitions, 1437 flow, removed 13 selfloop flow, removed 4 redundant places. [2022-11-20 09:30:16,416 INFO L231 Difference]: Finished difference. Result has 172 places, 186 transitions, 793 flow [2022-11-20 09:30:16,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=793, PETRI_PLACES=172, PETRI_TRANSITIONS=186} [2022-11-20 09:30:16,419 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 10 predicate places. [2022-11-20 09:30:16,420 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 186 transitions, 793 flow [2022-11-20 09:30:16,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:16,420 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:30:16,420 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] [2022-11-20 09:30:16,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 09:30:16,421 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-20 09:30:16,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:16,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1093365438, now seen corresponding path program 1 times [2022-11-20 09:30:16,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:16,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113293064] [2022-11-20 09:30:16,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:16,895 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 09:30:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:16,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113293064] [2022-11-20 09:30:16,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113293064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:16,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:16,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:30:16,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914358778] [2022-11-20 09:30:16,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:16,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:16,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:16,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:16,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:16,898 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 191 [2022-11-20 09:30:16,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 186 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:16,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:30:16,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 191 [2022-11-20 09:30:16,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:30:23,260 INFO L130 PetriNetUnfolder]: 19692/42954 cut-off events. [2022-11-20 09:30:23,261 INFO L131 PetriNetUnfolder]: For 47572/49780 co-relation queries the response was YES. [2022-11-20 09:30:23,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117159 conditions, 42954 events. 19692/42954 cut-off events. For 47572/49780 co-relation queries the response was YES. Maximal size of possible extension queue 1085. Compared 444866 event pairs, 11113 based on Foata normal form. 12/41881 useless extension candidates. Maximal degree in co-relation 117131. Up to 27615 conditions per place. [2022-11-20 09:30:23,473 INFO L137 encePairwiseOnDemand]: 186/191 looper letters, 0 selfloop transitions, 0 changer transitions 297/297 dead transitions. [2022-11-20 09:30:23,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 297 transitions, 1881 flow [2022-11-20 09:30:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:30:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 09:30:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 672 transitions. [2022-11-20 09:30:23,478 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5863874345549738 [2022-11-20 09:30:23,478 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 672 transitions. [2022-11-20 09:30:23,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 672 transitions. [2022-11-20 09:30:23,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:30:23,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 672 transitions. [2022-11-20 09:30:23,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:23,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:23,486 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:23,486 INFO L175 Difference]: Start difference. First operand has 172 places, 186 transitions, 793 flow. Second operand 6 states and 672 transitions. [2022-11-20 09:30:23,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 297 transitions, 1881 flow [2022-11-20 09:30:23,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 297 transitions, 1881 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 09:30:23,683 INFO L231 Difference]: Finished difference. Result has 176 places, 0 transitions, 0 flow [2022-11-20 09:30:23,684 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=176, PETRI_TRANSITIONS=0} [2022-11-20 09:30:23,684 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 14 predicate places. [2022-11-20 09:30:23,685 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 0 transitions, 0 flow [2022-11-20 09:30:23,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:30:23,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2022-11-20 09:30:23,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2022-11-20 09:30:23,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2022-11-20 09:30:23,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2022-11-20 09:30:23,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2022-11-20 09:30:23,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2022-11-20 09:30:23,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2022-11-20 09:30:23,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2022-11-20 09:30:23,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2022-11-20 09:30:23,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2022-11-20 09:30:23,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2022-11-20 09:30:23,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2022-11-20 09:30:23,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2022-11-20 09:30:23,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2022-11-20 09:30:23,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2022-11-20 09:30:23,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2022-11-20 09:30:23,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2022-11-20 09:30:23,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2022-11-20 09:30:23,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2022-11-20 09:30:23,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2022-11-20 09:30:23,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2022-11-20 09:30:23,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2022-11-20 09:30:23,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2022-11-20 09:30:23,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2022-11-20 09:30:23,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2022-11-20 09:30:23,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2022-11-20 09:30:23,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2022-11-20 09:30:23,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2022-11-20 09:30:23,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2022-11-20 09:30:23,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2022-11-20 09:30:23,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2022-11-20 09:30:23,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2022-11-20 09:30:23,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2022-11-20 09:30:23,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2022-11-20 09:30:23,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2022-11-20 09:30:23,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2022-11-20 09:30:23,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2022-11-20 09:30:23,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2022-11-20 09:30:23,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2022-11-20 09:30:23,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2022-11-20 09:30:23,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2022-11-20 09:30:23,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2022-11-20 09:30:23,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2022-11-20 09:30:23,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2022-11-20 09:30:23,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2022-11-20 09:30:23,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2022-11-20 09:30:23,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2022-11-20 09:30:23,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2022-11-20 09:30:23,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2022-11-20 09:30:23,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2022-11-20 09:30:23,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2022-11-20 09:30:23,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2022-11-20 09:30:23,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2022-11-20 09:30:23,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2022-11-20 09:30:23,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2022-11-20 09:30:23,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2022-11-20 09:30:23,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2022-11-20 09:30:23,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2022-11-20 09:30:23,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2022-11-20 09:30:23,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2022-11-20 09:30:23,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2022-11-20 09:30:23,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2022-11-20 09:30:23,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2022-11-20 09:30:23,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2022-11-20 09:30:23,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2022-11-20 09:30:23,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2022-11-20 09:30:23,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2022-11-20 09:30:23,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2022-11-20 09:30:23,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2022-11-20 09:30:23,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2022-11-20 09:30:23,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2022-11-20 09:30:23,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2022-11-20 09:30:23,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2022-11-20 09:30:23,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2022-11-20 09:30:23,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2022-11-20 09:30:23,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2022-11-20 09:30:23,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:30:23,712 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:23,720 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 09:30:23,720 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:30:23,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:23 BasicIcfg [2022-11-20 09:30:23,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:30:23,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:30:23,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:30:23,730 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:30:23,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:02" (3/4) ... [2022-11-20 09:30:23,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:30:23,742 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-20 09:30:23,742 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-20 09:30:23,747 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 09:30:23,747 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:30:23,747 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 09:30:23,748 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:30:23,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:30:23,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:30:23,796 INFO L158 Benchmark]: Toolchain (without parser) took 23348.84ms. Allocated memory was 157.3MB in the beginning and 6.5GB in the end (delta: 6.4GB). Free memory was 123.2MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 885.7MB. Max. memory is 16.1GB. [2022-11-20 09:30:23,796 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:23,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.32ms. Allocated memory is still 157.3MB. Free memory was 123.2MB in the beginning and 101.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 09:30:23,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.83ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:30:23,797 INFO L158 Benchmark]: Boogie Preprocessor took 47.77ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:30:23,798 INFO L158 Benchmark]: RCFGBuilder took 1007.76ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 124.0MB in the end (delta: -26.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-20 09:30:23,798 INFO L158 Benchmark]: TraceAbstraction took 21470.88ms. Allocated memory was 222.3MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 190.0MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-20 09:30:23,799 INFO L158 Benchmark]: Witness Printer took 67.99ms. Allocated memory is still 6.5GB. Free memory was 5.6GB in the beginning and 5.6GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:30:23,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.32ms. Allocated memory is still 157.3MB. Free memory was 123.2MB in the beginning and 101.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.83ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.77ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.76ms. Allocated memory is still 157.3MB. Free memory was 97.4MB in the beginning and 124.0MB in the end (delta: -26.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21470.88ms. Allocated memory was 222.3MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 190.0MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 67.99ms. Allocated memory is still 6.5GB. Free memory was 5.6GB in the beginning and 5.6GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: 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 5 procedures, 280 locations, 76 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: 21.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 645 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2258 IncrementalHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 110 mSDtfsCounter, 2258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=10, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 597 NumberOfCodeBlocks, 597 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 09:30:23,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e1b1e0-9490-417f-8766-0341e5551906/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