./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 e7f1528a4c77969c5bff279724a3ed43475460be047e2e4b141f1353c3ea9cfe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:24:07,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:24:07,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:24:07,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:24:07,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:24:07,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:24:07,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:24:07,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:24:07,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:24:07,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:24:07,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:24:07,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:24:07,760 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:24:07,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:24:07,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:24:07,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:24:07,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:24:07,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:24:07,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:24:07,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:24:07,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:24:07,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:24:07,774 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:24:07,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:24:07,775 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:24:07,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:24:07,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:24:07,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:24:07,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:24:07,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:24:07,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:24:07,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:24:07,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:24:07,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:24:07,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:24:07,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:24:07,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:24:07,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:24:07,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:24:07,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:24:07,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:24:07,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7f1528a4c77969c5bff279724a3ed43475460be047e2e4b141f1353c3ea9cfe [2023-11-29 04:24:08,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:24:08,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:24:08,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:24:08,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:24:08,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:24:08,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2023-11-29 04:24:10,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:24:11,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:24:11,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/sv-benchmarks/c/weaver/array-eq-trans.wvr.c [2023-11-29 04:24:11,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/data/54af0c95d/775d1f656dcf4046963eb7d8e19b6e08/FLAGd2a8a7531 [2023-11-29 04:24:11,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/data/54af0c95d/775d1f656dcf4046963eb7d8e19b6e08 [2023-11-29 04:24:11,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:24:11,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:24:11,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:24:11,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:24:11,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:24:11,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ed7f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11, skipping insertion in model container [2023-11-29 04:24:11,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:24:11,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:24:11,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:24:11,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:24:11,481 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:24:11,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11 WrapperNode [2023-11-29 04:24:11,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:24:11,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:24:11,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:24:11,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:24:11,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,544 INFO L138 Inliner]: procedures = 24, calls = 47, calls flagged for inlining = 11, calls inlined = 15, statements flattened = 358 [2023-11-29 04:24:11,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:24:11,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:24:11,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:24:11,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:24:11,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:24:11,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:24:11,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:24:11,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:24:11,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (1/1) ... [2023-11-29 04:24:11,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:24:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:11,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:24:11,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:24:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:24:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:24:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:24:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:24:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:24:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:24:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:24:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:24:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:24:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:24:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:24:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:24:11,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:24:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:24:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:24:11,688 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:24:11,854 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:24:11,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:24:12,674 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:24:12,695 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:24:12,695 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 04:24:12,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:24:12 BoogieIcfgContainer [2023-11-29 04:24:12,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:24:12,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:24:12,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:24:12,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:24:12,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:24:11" (1/3) ... [2023-11-29 04:24:12,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a8e451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:24:12, skipping insertion in model container [2023-11-29 04:24:12,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:24:11" (2/3) ... [2023-11-29 04:24:12,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a8e451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:24:12, skipping insertion in model container [2023-11-29 04:24:12,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:24:12" (3/3) ... [2023-11-29 04:24:12,708 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2023-11-29 04:24:12,718 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:24:12,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:24:12,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2023-11-29 04:24:12,730 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:24:12,879 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 04:24:12,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 632 places, 655 transitions, 1331 flow [2023-11-29 04:24:13,210 INFO L124 PetriNetUnfolderBase]: 33/652 cut-off events. [2023-11-29 04:24:13,210 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 04:24:13,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 652 events. 33/652 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1344 event pairs, 0 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 371. Up to 3 conditions per place. [2023-11-29 04:24:13,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 632 places, 655 transitions, 1331 flow [2023-11-29 04:24:13,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 601 places, 621 transitions, 1260 flow [2023-11-29 04:24:13,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:24:13,253 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=LoopHeads, 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;@7e0ec573, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:24:13,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2023-11-29 04:24:13,258 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:24:13,258 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-29 04:24:13,258 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:24:13,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:13,259 INFO L208 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] [2023-11-29 04:24:13,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:13,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:13,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2010641452, now seen corresponding path program 1 times [2023-11-29 04:24:13,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:13,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020009119] [2023-11-29 04:24:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:13,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:13,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020009119] [2023-11-29 04:24:13,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020009119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:13,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:13,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:13,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211974142] [2023-11-29 04:24:13,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:13,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:13,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:13,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:13,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:13,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2023-11-29 04:24:13,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 621 transitions, 1260 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:13,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2023-11-29 04:24:13,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:13,863 INFO L124 PetriNetUnfolderBase]: 30/827 cut-off events. [2023-11-29 04:24:13,864 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 04:24:13,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 876 conditions, 827 events. 30/827 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2753 event pairs, 5 based on Foata normal form. 30/705 useless extension candidates. Maximal degree in co-relation 441. Up to 28 conditions per place. [2023-11-29 04:24:13,880 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 14 selfloop transitions, 2 changer transitions 8/606 dead transitions. [2023-11-29 04:24:13,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 606 transitions, 1262 flow [2023-11-29 04:24:13,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1894 transitions. [2023-11-29 04:24:13,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9638676844783715 [2023-11-29 04:24:13,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1894 transitions. [2023-11-29 04:24:13,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1894 transitions. [2023-11-29 04:24:13,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:13,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1894 transitions. [2023-11-29 04:24:13,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 631.3333333333334) internal successors, (1894), 3 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,937 INFO L175 Difference]: Start difference. First operand has 601 places, 621 transitions, 1260 flow. Second operand 3 states and 1894 transitions. [2023-11-29 04:24:13,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 606 transitions, 1262 flow [2023-11-29 04:24:13,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 596 places, 606 transitions, 1250 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 04:24:13,963 INFO L231 Difference]: Finished difference. Result has 596 places, 598 transitions, 1206 flow [2023-11-29 04:24:13,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1218, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1206, PETRI_PLACES=596, PETRI_TRANSITIONS=598} [2023-11-29 04:24:13,969 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -5 predicate places. [2023-11-29 04:24:13,970 INFO L495 AbstractCegarLoop]: Abstraction has has 596 places, 598 transitions, 1206 flow [2023-11-29 04:24:13,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:13,972 INFO L208 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] [2023-11-29 04:24:13,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:24:13,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:13,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:13,973 INFO L85 PathProgramCache]: Analyzing trace with hash -738020819, now seen corresponding path program 1 times [2023-11-29 04:24:13,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:13,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039745515] [2023-11-29 04:24:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:13,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:14,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039745515] [2023-11-29 04:24:14,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039745515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:14,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:14,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:14,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534696546] [2023-11-29 04:24:14,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:14,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:14,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:14,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2023-11-29 04:24:14,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 598 transitions, 1206 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:14,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2023-11-29 04:24:14,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:14,341 INFO L124 PetriNetUnfolderBase]: 38/950 cut-off events. [2023-11-29 04:24:14,342 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:24:14,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 950 events. 38/950 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3658 event pairs, 7 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 960. Up to 31 conditions per place. [2023-11-29 04:24:14,360 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/597 dead transitions. [2023-11-29 04:24:14,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 597 transitions, 1236 flow [2023-11-29 04:24:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1880 transitions. [2023-11-29 04:24:14,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9567430025445293 [2023-11-29 04:24:14,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1880 transitions. [2023-11-29 04:24:14,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1880 transitions. [2023-11-29 04:24:14,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:14,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1880 transitions. [2023-11-29 04:24:14,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,383 INFO L175 Difference]: Start difference. First operand has 596 places, 598 transitions, 1206 flow. Second operand 3 states and 1880 transitions. [2023-11-29 04:24:14,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 597 transitions, 1236 flow [2023-11-29 04:24:14,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 597 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:14,399 INFO L231 Difference]: Finished difference. Result has 587 places, 597 transitions, 1204 flow [2023-11-29 04:24:14,400 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1200, PETRI_DIFFERENCE_MINUEND_PLACES=585, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1204, PETRI_PLACES=587, PETRI_TRANSITIONS=597} [2023-11-29 04:24:14,401 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -14 predicate places. [2023-11-29 04:24:14,401 INFO L495 AbstractCegarLoop]: Abstraction has has 587 places, 597 transitions, 1204 flow [2023-11-29 04:24:14,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:14,404 INFO L208 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] [2023-11-29 04:24:14,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:24:14,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:14,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1457147716, now seen corresponding path program 1 times [2023-11-29 04:24:14,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:14,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117831752] [2023-11-29 04:24:14,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:14,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:14,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:14,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117831752] [2023-11-29 04:24:14,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117831752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:14,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:14,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:14,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18916786] [2023-11-29 04:24:14,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:14,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:14,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:14,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:14,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:14,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 621 out of 655 [2023-11-29 04:24:14,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 597 transitions, 1204 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:14,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 621 of 655 [2023-11-29 04:24:14,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:14,683 INFO L124 PetriNetUnfolderBase]: 26/715 cut-off events. [2023-11-29 04:24:14,684 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 04:24:14,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 715 events. 26/715 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2025 event pairs, 7 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 711. Up to 28 conditions per place. [2023-11-29 04:24:14,695 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 0/596 dead transitions. [2023-11-29 04:24:14,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 596 transitions, 1234 flow [2023-11-29 04:24:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1880 transitions. [2023-11-29 04:24:14,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9567430025445293 [2023-11-29 04:24:14,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1880 transitions. [2023-11-29 04:24:14,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1880 transitions. [2023-11-29 04:24:14,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:14,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1880 transitions. [2023-11-29 04:24:14,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,717 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,717 INFO L175 Difference]: Start difference. First operand has 587 places, 597 transitions, 1204 flow. Second operand 3 states and 1880 transitions. [2023-11-29 04:24:14,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 596 transitions, 1234 flow [2023-11-29 04:24:14,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 596 transitions, 1230 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:14,730 INFO L231 Difference]: Finished difference. Result has 586 places, 596 transitions, 1202 flow [2023-11-29 04:24:14,732 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1202, PETRI_PLACES=586, PETRI_TRANSITIONS=596} [2023-11-29 04:24:14,732 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -15 predicate places. [2023-11-29 04:24:14,733 INFO L495 AbstractCegarLoop]: Abstraction has has 586 places, 596 transitions, 1202 flow [2023-11-29 04:24:14,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,735 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:14,735 INFO L208 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] [2023-11-29 04:24:14,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:24:14,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:14,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:14,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1260793119, now seen corresponding path program 1 times [2023-11-29 04:24:14,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:14,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097636514] [2023-11-29 04:24:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:14,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:14,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097636514] [2023-11-29 04:24:14,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097636514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:14,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:14,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:14,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541564344] [2023-11-29 04:24:14,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:14,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:14,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:14,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:14,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:14,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 655 [2023-11-29 04:24:14,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 596 transitions, 1202 flow. Second operand has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:14,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:14,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 655 [2023-11-29 04:24:14,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:15,041 INFO L124 PetriNetUnfolderBase]: 50/1073 cut-off events. [2023-11-29 04:24:15,042 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-29 04:24:15,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 1073 events. 50/1073 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4549 event pairs, 12 based on Foata normal form. 0/879 useless extension candidates. Maximal degree in co-relation 1084. Up to 48 conditions per place. [2023-11-29 04:24:15,066 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 16 selfloop transitions, 1 changer transitions 0/591 dead transitions. [2023-11-29 04:24:15,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 591 transitions, 1226 flow [2023-11-29 04:24:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2023-11-29 04:24:15,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9531806615776082 [2023-11-29 04:24:15,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1873 transitions. [2023-11-29 04:24:15,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1873 transitions. [2023-11-29 04:24:15,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:15,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1873 transitions. [2023-11-29 04:24:15,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:15,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:15,091 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:15,091 INFO L175 Difference]: Start difference. First operand has 586 places, 596 transitions, 1202 flow. Second operand 3 states and 1873 transitions. [2023-11-29 04:24:15,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 591 transitions, 1226 flow [2023-11-29 04:24:15,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 591 transitions, 1222 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:15,106 INFO L231 Difference]: Finished difference. Result has 581 places, 591 transitions, 1190 flow [2023-11-29 04:24:15,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1188, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=590, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1190, PETRI_PLACES=581, PETRI_TRANSITIONS=591} [2023-11-29 04:24:15,108 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -20 predicate places. [2023-11-29 04:24:15,109 INFO L495 AbstractCegarLoop]: Abstraction has has 581 places, 591 transitions, 1190 flow [2023-11-29 04:24:15,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:15,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:15,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:15,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:24:15,112 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:15,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash 976782486, now seen corresponding path program 1 times [2023-11-29 04:24:15,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:15,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768789129] [2023-11-29 04:24:15,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:15,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:15,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768789129] [2023-11-29 04:24:15,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768789129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:15,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:15,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:24:15,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473706071] [2023-11-29 04:24:15,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:15,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:24:15,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:15,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:24:15,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:24:16,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 531 out of 655 [2023-11-29 04:24:16,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 591 transitions, 1190 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:16,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:16,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 531 of 655 [2023-11-29 04:24:16,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:26,579 INFO L124 PetriNetUnfolderBase]: 13011/59192 cut-off events. [2023-11-29 04:24:26,579 INFO L125 PetriNetUnfolderBase]: For 182/212 co-relation queries the response was YES. [2023-11-29 04:24:26,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74853 conditions, 59192 events. 13011/59192 cut-off events. For 182/212 co-relation queries the response was YES. Maximal size of possible extension queue 1404. Compared 879605 event pairs, 9904 based on Foata normal form. 0/47239 useless extension candidates. Maximal degree in co-relation 74804. Up to 15552 conditions per place. [2023-11-29 04:24:27,281 INFO L140 encePairwiseOnDemand]: 637/655 looper letters, 90 selfloop transitions, 15 changer transitions 0/588 dead transitions. [2023-11-29 04:24:27,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 588 transitions, 1394 flow [2023-11-29 04:24:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:24:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:24:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3294 transitions. [2023-11-29 04:24:27,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8381679389312977 [2023-11-29 04:24:27,294 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3294 transitions. [2023-11-29 04:24:27,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3294 transitions. [2023-11-29 04:24:27,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:27,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3294 transitions. [2023-11-29 04:24:27,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 549.0) internal successors, (3294), 6 states have internal predecessors, (3294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,326 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,326 INFO L175 Difference]: Start difference. First operand has 581 places, 591 transitions, 1190 flow. Second operand 6 states and 3294 transitions. [2023-11-29 04:24:27,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 588 transitions, 1394 flow [2023-11-29 04:24:27,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 588 transitions, 1393 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:24:27,341 INFO L231 Difference]: Finished difference. Result has 582 places, 588 transitions, 1213 flow [2023-11-29 04:24:27,342 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1213, PETRI_PLACES=582, PETRI_TRANSITIONS=588} [2023-11-29 04:24:27,343 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -19 predicate places. [2023-11-29 04:24:27,343 INFO L495 AbstractCegarLoop]: Abstraction has has 582 places, 588 transitions, 1213 flow [2023-11-29 04:24:27,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:27,347 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:27,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:24:27,348 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:27,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:27,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1954158817, now seen corresponding path program 1 times [2023-11-29 04:24:27,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:27,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012627335] [2023-11-29 04:24:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:27,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:27,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:27,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012627335] [2023-11-29 04:24:27,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012627335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:27,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:27,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:27,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427517248] [2023-11-29 04:24:27,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:27,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:27,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:27,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:27,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:27,432 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 655 [2023-11-29 04:24:27,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 588 transitions, 1213 flow. Second operand has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:27,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 655 [2023-11-29 04:24:27,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:27,586 INFO L124 PetriNetUnfolderBase]: 27/757 cut-off events. [2023-11-29 04:24:27,587 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 04:24:27,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 757 events. 27/757 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2316 event pairs, 5 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 758. Up to 24 conditions per place. [2023-11-29 04:24:27,598 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/587 dead transitions. [2023-11-29 04:24:27,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 587 transitions, 1241 flow [2023-11-29 04:24:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1882 transitions. [2023-11-29 04:24:27,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9577608142493639 [2023-11-29 04:24:27,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1882 transitions. [2023-11-29 04:24:27,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1882 transitions. [2023-11-29 04:24:27,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:27,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1882 transitions. [2023-11-29 04:24:27,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,620 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,621 INFO L175 Difference]: Start difference. First operand has 582 places, 588 transitions, 1213 flow. Second operand 3 states and 1882 transitions. [2023-11-29 04:24:27,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 587 transitions, 1241 flow [2023-11-29 04:24:27,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 587 transitions, 1211 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:24:27,635 INFO L231 Difference]: Finished difference. Result has 578 places, 587 transitions, 1185 flow [2023-11-29 04:24:27,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1185, PETRI_PLACES=578, PETRI_TRANSITIONS=587} [2023-11-29 04:24:27,638 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -23 predicate places. [2023-11-29 04:24:27,638 INFO L495 AbstractCegarLoop]: Abstraction has has 578 places, 587 transitions, 1185 flow [2023-11-29 04:24:27,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,640 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:27,640 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:27,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:24:27,640 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:27,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:27,641 INFO L85 PathProgramCache]: Analyzing trace with hash 134719222, now seen corresponding path program 1 times [2023-11-29 04:24:27,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:27,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844159379] [2023-11-29 04:24:27,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:27,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844159379] [2023-11-29 04:24:27,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844159379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:27,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:27,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:27,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140804087] [2023-11-29 04:24:27,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:27,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:27,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:27,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:27,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 655 [2023-11-29 04:24:27,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 587 transitions, 1185 flow. Second operand has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:27,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:27,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 655 [2023-11-29 04:24:27,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:28,039 INFO L124 PetriNetUnfolderBase]: 73/1325 cut-off events. [2023-11-29 04:24:28,040 INFO L125 PetriNetUnfolderBase]: For 8/13 co-relation queries the response was YES. [2023-11-29 04:24:28,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1410 conditions, 1325 events. 73/1325 cut-off events. For 8/13 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7063 event pairs, 20 based on Foata normal form. 0/1089 useless extension candidates. Maximal degree in co-relation 1360. Up to 65 conditions per place. [2023-11-29 04:24:28,066 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 16 selfloop transitions, 1 changer transitions 0/582 dead transitions. [2023-11-29 04:24:28,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 582 transitions, 1209 flow [2023-11-29 04:24:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:28,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2023-11-29 04:24:28,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9531806615776082 [2023-11-29 04:24:28,074 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1873 transitions. [2023-11-29 04:24:28,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1873 transitions. [2023-11-29 04:24:28,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:28,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1873 transitions. [2023-11-29 04:24:28,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,090 INFO L175 Difference]: Start difference. First operand has 578 places, 587 transitions, 1185 flow. Second operand 3 states and 1873 transitions. [2023-11-29 04:24:28,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 582 transitions, 1209 flow [2023-11-29 04:24:28,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 582 transitions, 1205 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:28,106 INFO L231 Difference]: Finished difference. Result has 573 places, 582 transitions, 1173 flow [2023-11-29 04:24:28,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1173, PETRI_PLACES=573, PETRI_TRANSITIONS=582} [2023-11-29 04:24:28,108 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -28 predicate places. [2023-11-29 04:24:28,109 INFO L495 AbstractCegarLoop]: Abstraction has has 573 places, 582 transitions, 1173 flow [2023-11-29 04:24:28,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:28,110 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:28,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:24:28,111 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:28,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:28,111 INFO L85 PathProgramCache]: Analyzing trace with hash -829889210, now seen corresponding path program 1 times [2023-11-29 04:24:28,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:28,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560872340] [2023-11-29 04:24:28,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:28,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:28,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:28,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560872340] [2023-11-29 04:24:28,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560872340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:28,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:28,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:28,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039354413] [2023-11-29 04:24:28,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:28,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:28,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:28,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:28,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:28,211 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 655 [2023-11-29 04:24:28,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 582 transitions, 1173 flow. Second operand has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:28,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 655 [2023-11-29 04:24:28,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:28,546 INFO L124 PetriNetUnfolderBase]: 35/893 cut-off events. [2023-11-29 04:24:28,547 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:24:28,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 893 events. 35/893 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3223 event pairs, 7 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 883. Up to 27 conditions per place. [2023-11-29 04:24:28,557 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/581 dead transitions. [2023-11-29 04:24:28,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 574 places, 581 transitions, 1201 flow [2023-11-29 04:24:28,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1882 transitions. [2023-11-29 04:24:28,563 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9577608142493639 [2023-11-29 04:24:28,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1882 transitions. [2023-11-29 04:24:28,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1882 transitions. [2023-11-29 04:24:28,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:28,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1882 transitions. [2023-11-29 04:24:28,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,575 INFO L175 Difference]: Start difference. First operand has 573 places, 582 transitions, 1173 flow. Second operand 3 states and 1882 transitions. [2023-11-29 04:24:28,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 574 places, 581 transitions, 1201 flow [2023-11-29 04:24:28,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 573 places, 581 transitions, 1200 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:24:28,586 INFO L231 Difference]: Finished difference. Result has 573 places, 581 transitions, 1174 flow [2023-11-29 04:24:28,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1170, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1174, PETRI_PLACES=573, PETRI_TRANSITIONS=581} [2023-11-29 04:24:28,588 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -28 predicate places. [2023-11-29 04:24:28,589 INFO L495 AbstractCegarLoop]: Abstraction has has 573 places, 581 transitions, 1174 flow [2023-11-29 04:24:28,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:28,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:28,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:24:28,590 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:28,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash -340246155, now seen corresponding path program 1 times [2023-11-29 04:24:28,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:28,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384514055] [2023-11-29 04:24:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:28,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:28,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384514055] [2023-11-29 04:24:28,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384514055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:28,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:28,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:28,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426979849] [2023-11-29 04:24:28,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:28,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:28,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:28,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:28,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:28,662 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 655 [2023-11-29 04:24:28,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 581 transitions, 1174 flow. Second operand has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:28,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 655 [2023-11-29 04:24:28,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:28,877 INFO L124 PetriNetUnfolderBase]: 70/1226 cut-off events. [2023-11-29 04:24:28,877 INFO L125 PetriNetUnfolderBase]: For 17/19 co-relation queries the response was YES. [2023-11-29 04:24:28,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1306 conditions, 1226 events. 70/1226 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5825 event pairs, 20 based on Foata normal form. 0/1022 useless extension candidates. Maximal degree in co-relation 1256. Up to 67 conditions per place. [2023-11-29 04:24:28,892 INFO L140 encePairwiseOnDemand]: 649/655 looper letters, 16 selfloop transitions, 1 changer transitions 0/576 dead transitions. [2023-11-29 04:24:28,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 576 transitions, 1198 flow [2023-11-29 04:24:28,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1873 transitions. [2023-11-29 04:24:28,899 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9531806615776082 [2023-11-29 04:24:28,899 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1873 transitions. [2023-11-29 04:24:28,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1873 transitions. [2023-11-29 04:24:28,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:28,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1873 transitions. [2023-11-29 04:24:28,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,911 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,911 INFO L175 Difference]: Start difference. First operand has 573 places, 581 transitions, 1174 flow. Second operand 3 states and 1873 transitions. [2023-11-29 04:24:28,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 576 transitions, 1198 flow [2023-11-29 04:24:28,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 576 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:28,924 INFO L231 Difference]: Finished difference. Result has 568 places, 576 transitions, 1162 flow [2023-11-29 04:24:28,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1160, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=575, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1162, PETRI_PLACES=568, PETRI_TRANSITIONS=576} [2023-11-29 04:24:28,926 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -33 predicate places. [2023-11-29 04:24:28,926 INFO L495 AbstractCegarLoop]: Abstraction has has 568 places, 576 transitions, 1162 flow [2023-11-29 04:24:28,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:28,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:28,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:28,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:24:28,928 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:28,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 61115418, now seen corresponding path program 1 times [2023-11-29 04:24:28,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:28,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635577065] [2023-11-29 04:24:28,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:28,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:28,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635577065] [2023-11-29 04:24:28,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635577065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:28,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:28,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:28,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114919310] [2023-11-29 04:24:28,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:28,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:28,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:28,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:28,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:29,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 655 [2023-11-29 04:24:29,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 576 transitions, 1162 flow. Second operand has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:29,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 655 [2023-11-29 04:24:29,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:29,146 INFO L124 PetriNetUnfolderBase]: 26/692 cut-off events. [2023-11-29 04:24:29,146 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 04:24:29,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 692 events. 26/692 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1879 event pairs, 7 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 680. Up to 27 conditions per place. [2023-11-29 04:24:29,155 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 13 selfloop transitions, 2 changer transitions 0/575 dead transitions. [2023-11-29 04:24:29,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 575 transitions, 1190 flow [2023-11-29 04:24:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1882 transitions. [2023-11-29 04:24:29,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9577608142493639 [2023-11-29 04:24:29,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1882 transitions. [2023-11-29 04:24:29,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1882 transitions. [2023-11-29 04:24:29,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:29,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1882 transitions. [2023-11-29 04:24:29,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,175 INFO L175 Difference]: Start difference. First operand has 568 places, 576 transitions, 1162 flow. Second operand 3 states and 1882 transitions. [2023-11-29 04:24:29,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 575 transitions, 1190 flow [2023-11-29 04:24:29,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 575 transitions, 1189 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:24:29,187 INFO L231 Difference]: Finished difference. Result has 568 places, 575 transitions, 1163 flow [2023-11-29 04:24:29,189 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1159, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1163, PETRI_PLACES=568, PETRI_TRANSITIONS=575} [2023-11-29 04:24:29,190 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -33 predicate places. [2023-11-29 04:24:29,190 INFO L495 AbstractCegarLoop]: Abstraction has has 568 places, 575 transitions, 1163 flow [2023-11-29 04:24:29,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 623.3333333333334) internal successors, (1870), 3 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:29,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:29,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:24:29,191 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:29,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2035003892, now seen corresponding path program 1 times [2023-11-29 04:24:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:29,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874512160] [2023-11-29 04:24:29,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:29,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:29,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874512160] [2023-11-29 04:24:29,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874512160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:29,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:29,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:29,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441415389] [2023-11-29 04:24:29,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:29,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:29,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:29,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:29,291 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:24:29,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 575 transitions, 1163 flow. Second operand has 3 states, 3 states have (on average 606.0) internal successors, (1818), 3 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:29,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:24:29,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:29,445 INFO L124 PetriNetUnfolderBase]: 44/706 cut-off events. [2023-11-29 04:24:29,445 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 04:24:29,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 706 events. 44/706 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2192 event pairs, 2 based on Foata normal form. 0/625 useless extension candidates. Maximal degree in co-relation 761. Up to 63 conditions per place. [2023-11-29 04:24:29,455 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 25 selfloop transitions, 2 changer transitions 0/568 dead transitions. [2023-11-29 04:24:29,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 568 transitions, 1205 flow [2023-11-29 04:24:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1851 transitions. [2023-11-29 04:24:29,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9419847328244275 [2023-11-29 04:24:29,462 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1851 transitions. [2023-11-29 04:24:29,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1851 transitions. [2023-11-29 04:24:29,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:29,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1851 transitions. [2023-11-29 04:24:29,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 617.0) internal successors, (1851), 3 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,475 INFO L175 Difference]: Start difference. First operand has 568 places, 575 transitions, 1163 flow. Second operand 3 states and 1851 transitions. [2023-11-29 04:24:29,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 568 transitions, 1205 flow [2023-11-29 04:24:29,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 568 transitions, 1201 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:29,489 INFO L231 Difference]: Finished difference. Result has 559 places, 566 transitions, 1145 flow [2023-11-29 04:24:29,490 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1145, PETRI_PLACES=559, PETRI_TRANSITIONS=566} [2023-11-29 04:24:29,491 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -42 predicate places. [2023-11-29 04:24:29,491 INFO L495 AbstractCegarLoop]: Abstraction has has 559 places, 566 transitions, 1145 flow [2023-11-29 04:24:29,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 606.0) internal successors, (1818), 3 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:29,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:29,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:24:29,492 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:29,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:29,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1222475227, now seen corresponding path program 1 times [2023-11-29 04:24:29,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:29,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51418101] [2023-11-29 04:24:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:29,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:29,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51418101] [2023-11-29 04:24:29,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51418101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:29,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:29,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:29,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902208982] [2023-11-29 04:24:29,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:29,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:29,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:29,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:29,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:29,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:24:29,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 566 transitions, 1145 flow. Second operand has 3 states, 3 states have (on average 606.3333333333334) internal successors, (1819), 3 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:29,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:24:29,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:29,735 INFO L124 PetriNetUnfolderBase]: 44/697 cut-off events. [2023-11-29 04:24:29,735 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 04:24:29,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 697 events. 44/697 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2214 event pairs, 2 based on Foata normal form. 0/624 useless extension candidates. Maximal degree in co-relation 741. Up to 62 conditions per place. [2023-11-29 04:24:29,743 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 25 selfloop transitions, 2 changer transitions 0/559 dead transitions. [2023-11-29 04:24:29,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 559 transitions, 1187 flow [2023-11-29 04:24:29,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1851 transitions. [2023-11-29 04:24:29,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9419847328244275 [2023-11-29 04:24:29,749 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1851 transitions. [2023-11-29 04:24:29,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1851 transitions. [2023-11-29 04:24:29,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:29,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1851 transitions. [2023-11-29 04:24:29,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 617.0) internal successors, (1851), 3 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,761 INFO L175 Difference]: Start difference. First operand has 559 places, 566 transitions, 1145 flow. Second operand 3 states and 1851 transitions. [2023-11-29 04:24:29,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 559 transitions, 1187 flow [2023-11-29 04:24:29,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 559 transitions, 1183 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:29,776 INFO L231 Difference]: Finished difference. Result has 550 places, 557 transitions, 1127 flow [2023-11-29 04:24:29,778 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1127, PETRI_PLACES=550, PETRI_TRANSITIONS=557} [2023-11-29 04:24:29,778 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -51 predicate places. [2023-11-29 04:24:29,778 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 557 transitions, 1127 flow [2023-11-29 04:24:29,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 606.3333333333334) internal successors, (1819), 3 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:29,780 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:29,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:24:29,780 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:29,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash 306910041, now seen corresponding path program 1 times [2023-11-29 04:24:29,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:29,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247030913] [2023-11-29 04:24:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:29,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:29,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:29,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247030913] [2023-11-29 04:24:29,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247030913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:29,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:29,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:29,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985518] [2023-11-29 04:24:29,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:29,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:29,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:29,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:29,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:29,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2023-11-29 04:24:29,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 557 transitions, 1127 flow. Second operand has 3 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:29,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2023-11-29 04:24:29,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:29,989 INFO L124 PetriNetUnfolderBase]: 38/694 cut-off events. [2023-11-29 04:24:29,989 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 04:24:29,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 694 events. 38/694 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1945 event pairs, 12 based on Foata normal form. 0/624 useless extension candidates. Maximal degree in co-relation 723. Up to 39 conditions per place. [2023-11-29 04:24:29,997 INFO L140 encePairwiseOnDemand]: 651/655 looper letters, 14 selfloop transitions, 3 changer transitions 0/560 dead transitions. [2023-11-29 04:24:29,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 560 transitions, 1169 flow [2023-11-29 04:24:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1893 transitions. [2023-11-29 04:24:30,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9633587786259542 [2023-11-29 04:24:30,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1893 transitions. [2023-11-29 04:24:30,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1893 transitions. [2023-11-29 04:24:30,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:30,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1893 transitions. [2023-11-29 04:24:30,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 631.0) internal successors, (1893), 3 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,018 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,018 INFO L175 Difference]: Start difference. First operand has 550 places, 557 transitions, 1127 flow. Second operand 3 states and 1893 transitions. [2023-11-29 04:24:30,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 560 transitions, 1169 flow [2023-11-29 04:24:30,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 560 transitions, 1165 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:30,032 INFO L231 Difference]: Finished difference. Result has 552 places, 558 transitions, 1141 flow [2023-11-29 04:24:30,033 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1141, PETRI_PLACES=552, PETRI_TRANSITIONS=558} [2023-11-29 04:24:30,034 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -49 predicate places. [2023-11-29 04:24:30,034 INFO L495 AbstractCegarLoop]: Abstraction has has 552 places, 558 transitions, 1141 flow [2023-11-29 04:24:30,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 626.6666666666666) internal successors, (1880), 3 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,035 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:30,035 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:30,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:24:30,036 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:30,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:30,036 INFO L85 PathProgramCache]: Analyzing trace with hash -688316023, now seen corresponding path program 1 times [2023-11-29 04:24:30,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:30,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845546432] [2023-11-29 04:24:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:30,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:30,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:30,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845546432] [2023-11-29 04:24:30,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845546432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:30,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:30,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:30,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751037324] [2023-11-29 04:24:30,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:30,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:30,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:30,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:30,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:24:30,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 558 transitions, 1141 flow. Second operand has 3 states, 3 states have (on average 606.6666666666666) internal successors, (1820), 3 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:30,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:24:30,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:30,242 INFO L124 PetriNetUnfolderBase]: 44/709 cut-off events. [2023-11-29 04:24:30,243 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-29 04:24:30,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 709 events. 44/709 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2307 event pairs, 18 based on Foata normal form. 0/644 useless extension candidates. Maximal degree in co-relation 748. Up to 61 conditions per place. [2023-11-29 04:24:30,250 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 25 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2023-11-29 04:24:30,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 551 transitions, 1183 flow [2023-11-29 04:24:30,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1851 transitions. [2023-11-29 04:24:30,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9419847328244275 [2023-11-29 04:24:30,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1851 transitions. [2023-11-29 04:24:30,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1851 transitions. [2023-11-29 04:24:30,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:30,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1851 transitions. [2023-11-29 04:24:30,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 617.0) internal successors, (1851), 3 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,266 INFO L175 Difference]: Start difference. First operand has 552 places, 558 transitions, 1141 flow. Second operand 3 states and 1851 transitions. [2023-11-29 04:24:30,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 551 transitions, 1183 flow [2023-11-29 04:24:30,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 551 transitions, 1177 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:30,278 INFO L231 Difference]: Finished difference. Result has 543 places, 549 transitions, 1121 flow [2023-11-29 04:24:30,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1117, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1121, PETRI_PLACES=543, PETRI_TRANSITIONS=549} [2023-11-29 04:24:30,280 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -58 predicate places. [2023-11-29 04:24:30,280 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 549 transitions, 1121 flow [2023-11-29 04:24:30,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 606.6666666666666) internal successors, (1820), 3 states have internal predecessors, (1820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:30,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:30,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:24:30,281 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:30,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:30,282 INFO L85 PathProgramCache]: Analyzing trace with hash -651494959, now seen corresponding path program 1 times [2023-11-29 04:24:30,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:30,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741659572] [2023-11-29 04:24:30,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:30,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:30,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741659572] [2023-11-29 04:24:30,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741659572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:30,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:30,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915680477] [2023-11-29 04:24:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:30,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:30,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:30,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:30,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:30,358 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 655 [2023-11-29 04:24:30,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 549 transitions, 1121 flow. Second operand has 3 states, 3 states have (on average 621.3333333333334) internal successors, (1864), 3 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:30,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 655 [2023-11-29 04:24:30,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:30,593 INFO L124 PetriNetUnfolderBase]: 62/1118 cut-off events. [2023-11-29 04:24:30,593 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-29 04:24:30,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1227 conditions, 1118 events. 62/1118 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4636 event pairs, 2 based on Foata normal form. 0/1015 useless extension candidates. Maximal degree in co-relation 1177. Up to 52 conditions per place. [2023-11-29 04:24:30,610 INFO L140 encePairwiseOnDemand]: 647/655 looper letters, 20 selfloop transitions, 4 changer transitions 0/554 dead transitions. [2023-11-29 04:24:30,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 554 transitions, 1184 flow [2023-11-29 04:24:30,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1888 transitions. [2023-11-29 04:24:30,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9608142493638677 [2023-11-29 04:24:30,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1888 transitions. [2023-11-29 04:24:30,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1888 transitions. [2023-11-29 04:24:30,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:30,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1888 transitions. [2023-11-29 04:24:30,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 629.3333333333334) internal successors, (1888), 3 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,630 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,631 INFO L175 Difference]: Start difference. First operand has 543 places, 549 transitions, 1121 flow. Second operand 3 states and 1888 transitions. [2023-11-29 04:24:30,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 554 transitions, 1184 flow [2023-11-29 04:24:30,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 554 transitions, 1180 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:30,645 INFO L231 Difference]: Finished difference. Result has 540 places, 549 transitions, 1137 flow [2023-11-29 04:24:30,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1109, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1137, PETRI_PLACES=540, PETRI_TRANSITIONS=549} [2023-11-29 04:24:30,647 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -61 predicate places. [2023-11-29 04:24:30,647 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 549 transitions, 1137 flow [2023-11-29 04:24:30,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 621.3333333333334) internal successors, (1864), 3 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:30,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:30,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:24:30,649 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:30,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:30,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1921018456, now seen corresponding path program 1 times [2023-11-29 04:24:30,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:30,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336264120] [2023-11-29 04:24:30,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:30,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:30,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:30,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336264120] [2023-11-29 04:24:30,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336264120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:30,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:30,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:30,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988857651] [2023-11-29 04:24:30,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:30,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:30,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:30,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:30,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:30,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2023-11-29 04:24:30,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 549 transitions, 1137 flow. Second operand has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:30,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2023-11-29 04:24:30,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:30,982 INFO L124 PetriNetUnfolderBase]: 63/960 cut-off events. [2023-11-29 04:24:30,982 INFO L125 PetriNetUnfolderBase]: For 24/34 co-relation queries the response was YES. [2023-11-29 04:24:30,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1078 conditions, 960 events. 63/960 cut-off events. For 24/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3923 event pairs, 18 based on Foata normal form. 0/863 useless extension candidates. Maximal degree in co-relation 1028. Up to 57 conditions per place. [2023-11-29 04:24:30,992 INFO L140 encePairwiseOnDemand]: 651/655 looper letters, 14 selfloop transitions, 3 changer transitions 0/552 dead transitions. [2023-11-29 04:24:30,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 552 transitions, 1179 flow [2023-11-29 04:24:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1893 transitions. [2023-11-29 04:24:30,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9633587786259542 [2023-11-29 04:24:30,997 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1893 transitions. [2023-11-29 04:24:30,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1893 transitions. [2023-11-29 04:24:30,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:30,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1893 transitions. [2023-11-29 04:24:31,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 631.0) internal successors, (1893), 3 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,008 INFO L175 Difference]: Start difference. First operand has 540 places, 549 transitions, 1137 flow. Second operand 3 states and 1893 transitions. [2023-11-29 04:24:31,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 552 transitions, 1179 flow [2023-11-29 04:24:31,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 552 transitions, 1179 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:24:31,020 INFO L231 Difference]: Finished difference. Result has 544 places, 550 transitions, 1155 flow [2023-11-29 04:24:31,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1137, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1155, PETRI_PLACES=544, PETRI_TRANSITIONS=550} [2023-11-29 04:24:31,021 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -57 predicate places. [2023-11-29 04:24:31,021 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 550 transitions, 1155 flow [2023-11-29 04:24:31,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:31,022 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:31,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:24:31,022 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:31,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:31,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1753253696, now seen corresponding path program 1 times [2023-11-29 04:24:31,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:31,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206408227] [2023-11-29 04:24:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:31,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:31,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:31,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206408227] [2023-11-29 04:24:31,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206408227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:31,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:31,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:24:31,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381481372] [2023-11-29 04:24:31,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:31,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:24:31,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:31,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:24:31,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:24:32,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 655 [2023-11-29 04:24:32,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 550 transitions, 1155 flow. Second operand has 6 states, 6 states have (on average 612.6666666666666) internal successors, (3676), 6 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:32,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 655 [2023-11-29 04:24:32,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:32,651 INFO L124 PetriNetUnfolderBase]: 30/755 cut-off events. [2023-11-29 04:24:32,651 INFO L125 PetriNetUnfolderBase]: For 9/16 co-relation queries the response was YES. [2023-11-29 04:24:32,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 755 events. 30/755 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2022 event pairs, 0 based on Foata normal form. 4/699 useless extension candidates. Maximal degree in co-relation 777. Up to 18 conditions per place. [2023-11-29 04:24:32,657 INFO L140 encePairwiseOnDemand]: 650/655 looper letters, 21 selfloop transitions, 4 changer transitions 0/549 dead transitions. [2023-11-29 04:24:32,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 549 transitions, 1203 flow [2023-11-29 04:24:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:24:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:24:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3692 transitions. [2023-11-29 04:24:32,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9394402035623409 [2023-11-29 04:24:32,667 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3692 transitions. [2023-11-29 04:24:32,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3692 transitions. [2023-11-29 04:24:32,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:32,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3692 transitions. [2023-11-29 04:24:32,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.3333333333334) internal successors, (3692), 6 states have internal predecessors, (3692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,679 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,679 INFO L175 Difference]: Start difference. First operand has 544 places, 550 transitions, 1155 flow. Second operand 6 states and 3692 transitions. [2023-11-29 04:24:32,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 549 transitions, 1203 flow [2023-11-29 04:24:32,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 549 transitions, 1197 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:32,689 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1155 flow [2023-11-29 04:24:32,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1147, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1155, PETRI_PLACES=546, PETRI_TRANSITIONS=549} [2023-11-29 04:24:32,690 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -55 predicate places. [2023-11-29 04:24:32,690 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1155 flow [2023-11-29 04:24:32,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 612.6666666666666) internal successors, (3676), 6 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:32,692 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:32,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:24:32,692 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:32,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:32,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1625935771, now seen corresponding path program 1 times [2023-11-29 04:24:32,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:32,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330718284] [2023-11-29 04:24:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:32,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:32,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:32,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330718284] [2023-11-29 04:24:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330718284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:32,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30023658] [2023-11-29 04:24:32,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:32,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:32,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 655 [2023-11-29 04:24:32,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 549 transitions, 1155 flow. Second operand has 3 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:32,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 655 [2023-11-29 04:24:32,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:33,116 INFO L124 PetriNetUnfolderBase]: 107/1756 cut-off events. [2023-11-29 04:24:33,116 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 04:24:33,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1972 conditions, 1756 events. 107/1756 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 9876 event pairs, 8 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 1920. Up to 76 conditions per place. [2023-11-29 04:24:33,136 INFO L140 encePairwiseOnDemand]: 647/655 looper letters, 20 selfloop transitions, 4 changer transitions 0/554 dead transitions. [2023-11-29 04:24:33,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 554 transitions, 1218 flow [2023-11-29 04:24:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1888 transitions. [2023-11-29 04:24:33,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9608142493638677 [2023-11-29 04:24:33,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1888 transitions. [2023-11-29 04:24:33,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1888 transitions. [2023-11-29 04:24:33,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:33,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1888 transitions. [2023-11-29 04:24:33,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 629.3333333333334) internal successors, (1888), 3 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,145 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1155 flow. Second operand 3 states and 1888 transitions. [2023-11-29 04:24:33,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 554 transitions, 1218 flow [2023-11-29 04:24:33,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 554 transitions, 1211 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:24:33,158 INFO L231 Difference]: Finished difference. Result has 541 places, 549 transitions, 1168 flow [2023-11-29 04:24:33,159 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1140, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1168, PETRI_PLACES=541, PETRI_TRANSITIONS=549} [2023-11-29 04:24:33,160 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -60 predicate places. [2023-11-29 04:24:33,160 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 549 transitions, 1168 flow [2023-11-29 04:24:33,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:33,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:33,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:24:33,161 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:33,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:33,161 INFO L85 PathProgramCache]: Analyzing trace with hash 674895095, now seen corresponding path program 1 times [2023-11-29 04:24:33,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:33,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494586920] [2023-11-29 04:24:33,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:33,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:33,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:33,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494586920] [2023-11-29 04:24:33,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494586920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:33,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:33,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:24:33,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134143158] [2023-11-29 04:24:33,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:33,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:33,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:33,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:33,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:34,022 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2023-11-29 04:24:34,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 549 transitions, 1168 flow. Second operand has 8 states, 8 states have (on average 598.125) internal successors, (4785), 8 states have internal predecessors, (4785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:34,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:34,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2023-11-29 04:24:34,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:34,873 INFO L124 PetriNetUnfolderBase]: 161/2501 cut-off events. [2023-11-29 04:24:34,874 INFO L125 PetriNetUnfolderBase]: For 34/62 co-relation queries the response was YES. [2023-11-29 04:24:34,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3018 conditions, 2501 events. 161/2501 cut-off events. For 34/62 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15457 event pairs, 14 based on Foata normal form. 5/2323 useless extension candidates. Maximal degree in co-relation 2963. Up to 88 conditions per place. [2023-11-29 04:24:34,896 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 78 selfloop transitions, 22 changer transitions 0/603 dead transitions. [2023-11-29 04:24:34,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 603 transitions, 1509 flow [2023-11-29 04:24:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:24:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 04:24:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 7823 transitions. [2023-11-29 04:24:34,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.91873165002936 [2023-11-29 04:24:34,920 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 7823 transitions. [2023-11-29 04:24:34,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 7823 transitions. [2023-11-29 04:24:34,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:34,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 7823 transitions. [2023-11-29 04:24:34,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 601.7692307692307) internal successors, (7823), 13 states have internal predecessors, (7823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:34,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 655.0) internal successors, (9170), 14 states have internal predecessors, (9170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:34,955 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 655.0) internal successors, (9170), 14 states have internal predecessors, (9170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:34,956 INFO L175 Difference]: Start difference. First operand has 541 places, 549 transitions, 1168 flow. Second operand 13 states and 7823 transitions. [2023-11-29 04:24:34,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 603 transitions, 1509 flow [2023-11-29 04:24:34,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 603 transitions, 1509 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:24:34,972 INFO L231 Difference]: Finished difference. Result has 558 places, 561 transitions, 1281 flow [2023-11-29 04:24:34,973 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1281, PETRI_PLACES=558, PETRI_TRANSITIONS=561} [2023-11-29 04:24:34,974 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -43 predicate places. [2023-11-29 04:24:34,974 INFO L495 AbstractCegarLoop]: Abstraction has has 558 places, 561 transitions, 1281 flow [2023-11-29 04:24:34,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.125) internal successors, (4785), 8 states have internal predecessors, (4785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:34,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:34,975 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:34,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:24:34,976 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:34,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:34,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2020870411, now seen corresponding path program 1 times [2023-11-29 04:24:34,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:34,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993651573] [2023-11-29 04:24:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:34,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:35,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993651573] [2023-11-29 04:24:35,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993651573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:35,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:35,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:24:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702198872] [2023-11-29 04:24:35,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:35,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:35,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:35,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:35,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:36,029 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2023-11-29 04:24:36,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 561 transitions, 1281 flow. Second operand has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:36,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:36,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2023-11-29 04:24:36,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:37,651 INFO L124 PetriNetUnfolderBase]: 396/5670 cut-off events. [2023-11-29 04:24:37,651 INFO L125 PetriNetUnfolderBase]: For 246/296 co-relation queries the response was YES. [2023-11-29 04:24:37,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6850 conditions, 5670 events. 396/5670 cut-off events. For 246/296 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 51196 event pairs, 68 based on Foata normal form. 16/5179 useless extension candidates. Maximal degree in co-relation 6784. Up to 201 conditions per place. [2023-11-29 04:24:37,726 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 74 selfloop transitions, 19 changer transitions 0/603 dead transitions. [2023-11-29 04:24:37,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 603 transitions, 1581 flow [2023-11-29 04:24:37,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:24:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 04:24:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7216 transitions. [2023-11-29 04:24:37,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9180661577608142 [2023-11-29 04:24:37,745 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 7216 transitions. [2023-11-29 04:24:37,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 7216 transitions. [2023-11-29 04:24:37,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:37,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 7216 transitions. [2023-11-29 04:24:37,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 601.3333333333334) internal successors, (7216), 12 states have internal predecessors, (7216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,768 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,769 INFO L175 Difference]: Start difference. First operand has 558 places, 561 transitions, 1281 flow. Second operand 12 states and 7216 transitions. [2023-11-29 04:24:37,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 603 transitions, 1581 flow [2023-11-29 04:24:37,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 603 transitions, 1581 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:24:37,785 INFO L231 Difference]: Finished difference. Result has 574 places, 572 transitions, 1388 flow [2023-11-29 04:24:37,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1281, PETRI_DIFFERENCE_MINUEND_PLACES=558, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1388, PETRI_PLACES=574, PETRI_TRANSITIONS=572} [2023-11-29 04:24:37,786 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -27 predicate places. [2023-11-29 04:24:37,786 INFO L495 AbstractCegarLoop]: Abstraction has has 574 places, 572 transitions, 1388 flow [2023-11-29 04:24:37,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:37,787 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:37,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:24:37,787 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:37,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash -46422532, now seen corresponding path program 1 times [2023-11-29 04:24:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:37,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147383776] [2023-11-29 04:24:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:37,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:37,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:37,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147383776] [2023-11-29 04:24:37,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147383776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:37,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:37,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:37,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246510605] [2023-11-29 04:24:37,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:37,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:37,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:37,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:37,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:37,866 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 625 out of 655 [2023-11-29 04:24:37,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 574 places, 572 transitions, 1388 flow. Second operand has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:37,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 625 of 655 [2023-11-29 04:24:37,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:39,846 INFO L124 PetriNetUnfolderBase]: 626/6434 cut-off events. [2023-11-29 04:24:39,846 INFO L125 PetriNetUnfolderBase]: For 483/579 co-relation queries the response was YES. [2023-11-29 04:24:39,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7826 conditions, 6434 events. 626/6434 cut-off events. For 483/579 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 61361 event pairs, 220 based on Foata normal form. 2/5699 useless extension candidates. Maximal degree in co-relation 7752. Up to 627 conditions per place. [2023-11-29 04:24:39,909 INFO L140 encePairwiseOnDemand]: 651/655 looper letters, 14 selfloop transitions, 3 changer transitions 0/575 dead transitions. [2023-11-29 04:24:39,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 575 transitions, 1430 flow [2023-11-29 04:24:39,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:24:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1893 transitions. [2023-11-29 04:24:39,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9633587786259542 [2023-11-29 04:24:39,915 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1893 transitions. [2023-11-29 04:24:39,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1893 transitions. [2023-11-29 04:24:39,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:39,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1893 transitions. [2023-11-29 04:24:39,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 631.0) internal successors, (1893), 3 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:39,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:39,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:39,922 INFO L175 Difference]: Start difference. First operand has 574 places, 572 transitions, 1388 flow. Second operand 3 states and 1893 transitions. [2023-11-29 04:24:39,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 575 transitions, 1430 flow [2023-11-29 04:24:39,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 575 transitions, 1430 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:24:39,943 INFO L231 Difference]: Finished difference. Result has 578 places, 573 transitions, 1406 flow [2023-11-29 04:24:39,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1388, PETRI_DIFFERENCE_MINUEND_PLACES=574, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=572, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1406, PETRI_PLACES=578, PETRI_TRANSITIONS=573} [2023-11-29 04:24:39,944 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -23 predicate places. [2023-11-29 04:24:39,945 INFO L495 AbstractCegarLoop]: Abstraction has has 578 places, 573 transitions, 1406 flow [2023-11-29 04:24:39,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:39,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:39,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:39,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:24:39,946 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:39,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:39,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1991312736, now seen corresponding path program 1 times [2023-11-29 04:24:39,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:39,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645838626] [2023-11-29 04:24:39,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:39,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:40,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:40,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645838626] [2023-11-29 04:24:40,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645838626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:40,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:40,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:24:40,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545629541] [2023-11-29 04:24:40,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:40,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:40,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:40,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:40,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:41,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2023-11-29 04:24:41,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 578 places, 573 transitions, 1406 flow. Second operand has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:41,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:41,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2023-11-29 04:24:41,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:43,340 INFO L124 PetriNetUnfolderBase]: 666/7768 cut-off events. [2023-11-29 04:24:43,341 INFO L125 PetriNetUnfolderBase]: For 623/668 co-relation queries the response was YES. [2023-11-29 04:24:43,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9747 conditions, 7768 events. 666/7768 cut-off events. For 623/668 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 78796 event pairs, 135 based on Foata normal form. 9/7019 useless extension candidates. Maximal degree in co-relation 9668. Up to 493 conditions per place. [2023-11-29 04:24:43,418 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 87 selfloop transitions, 19 changer transitions 0/623 dead transitions. [2023-11-29 04:24:43,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 623 transitions, 1791 flow [2023-11-29 04:24:43,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:24:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 04:24:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7224 transitions. [2023-11-29 04:24:43,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9190839694656489 [2023-11-29 04:24:43,433 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 7224 transitions. [2023-11-29 04:24:43,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 7224 transitions. [2023-11-29 04:24:43,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:43,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 7224 transitions. [2023-11-29 04:24:43,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 602.0) internal successors, (7224), 12 states have internal predecessors, (7224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:43,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:43,451 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:43,451 INFO L175 Difference]: Start difference. First operand has 578 places, 573 transitions, 1406 flow. Second operand 12 states and 7224 transitions. [2023-11-29 04:24:43,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 623 transitions, 1791 flow [2023-11-29 04:24:43,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 623 transitions, 1775 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:24:43,467 INFO L231 Difference]: Finished difference. Result has 590 places, 579 transitions, 1486 flow [2023-11-29 04:24:43,467 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1400, PETRI_DIFFERENCE_MINUEND_PLACES=576, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1486, PETRI_PLACES=590, PETRI_TRANSITIONS=579} [2023-11-29 04:24:43,468 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -11 predicate places. [2023-11-29 04:24:43,468 INFO L495 AbstractCegarLoop]: Abstraction has has 590 places, 579 transitions, 1486 flow [2023-11-29 04:24:43,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:43,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:43,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:43,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 04:24:43,469 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:43,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:43,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1740823094, now seen corresponding path program 1 times [2023-11-29 04:24:43,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:43,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909815033] [2023-11-29 04:24:43,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:43,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:24:43,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:43,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909815033] [2023-11-29 04:24:43,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909815033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:43,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:43,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:24:43,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88612346] [2023-11-29 04:24:43,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:43,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:43,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:43,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:44,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2023-11-29 04:24:44,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 579 transitions, 1486 flow. Second operand has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:44,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:44,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2023-11-29 04:24:44,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:45,742 INFO L124 PetriNetUnfolderBase]: 284/5661 cut-off events. [2023-11-29 04:24:45,742 INFO L125 PetriNetUnfolderBase]: For 283/381 co-relation queries the response was YES. [2023-11-29 04:24:45,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6965 conditions, 5661 events. 284/5661 cut-off events. For 283/381 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 45843 event pairs, 37 based on Foata normal form. 11/5268 useless extension candidates. Maximal degree in co-relation 6878. Up to 193 conditions per place. [2023-11-29 04:24:45,806 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 79 selfloop transitions, 24 changer transitions 0/619 dead transitions. [2023-11-29 04:24:45,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 619 transitions, 1830 flow [2023-11-29 04:24:45,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:24:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 04:24:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7219 transitions. [2023-11-29 04:24:45,816 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9184478371501272 [2023-11-29 04:24:45,816 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 7219 transitions. [2023-11-29 04:24:45,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 7219 transitions. [2023-11-29 04:24:45,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:45,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 7219 transitions. [2023-11-29 04:24:45,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 601.5833333333334) internal successors, (7219), 12 states have internal predecessors, (7219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:45,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:45,833 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:45,833 INFO L175 Difference]: Start difference. First operand has 590 places, 579 transitions, 1486 flow. Second operand 12 states and 7219 transitions. [2023-11-29 04:24:45,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 619 transitions, 1830 flow [2023-11-29 04:24:45,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 619 transitions, 1813 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 04:24:45,847 INFO L231 Difference]: Finished difference. Result has 598 places, 585 transitions, 1584 flow [2023-11-29 04:24:45,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1469, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1584, PETRI_PLACES=598, PETRI_TRANSITIONS=585} [2023-11-29 04:24:45,849 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -3 predicate places. [2023-11-29 04:24:45,849 INFO L495 AbstractCegarLoop]: Abstraction has has 598 places, 585 transitions, 1584 flow [2023-11-29 04:24:45,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.25) internal successors, (4786), 8 states have internal predecessors, (4786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:45,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:45,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:45,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:24:45,850 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:45,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:45,851 INFO L85 PathProgramCache]: Analyzing trace with hash 390704581, now seen corresponding path program 1 times [2023-11-29 04:24:45,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:45,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826052369] [2023-11-29 04:24:45,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:45,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:46,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:46,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826052369] [2023-11-29 04:24:46,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826052369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:46,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:46,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:24:46,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88301561] [2023-11-29 04:24:46,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:46,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:24:46,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:46,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:24:46,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:24:47,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 655 [2023-11-29 04:24:47,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 585 transitions, 1584 flow. Second operand has 6 states, 6 states have (on average 612.8333333333334) internal successors, (3677), 6 states have internal predecessors, (3677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:47,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:47,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 655 [2023-11-29 04:24:47,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:48,517 INFO L124 PetriNetUnfolderBase]: 184/5135 cut-off events. [2023-11-29 04:24:48,518 INFO L125 PetriNetUnfolderBase]: For 224/298 co-relation queries the response was YES. [2023-11-29 04:24:48,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6060 conditions, 5135 events. 184/5135 cut-off events. For 224/298 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 40457 event pairs, 9 based on Foata normal form. 28/4802 useless extension candidates. Maximal degree in co-relation 5965. Up to 96 conditions per place. [2023-11-29 04:24:48,573 INFO L140 encePairwiseOnDemand]: 650/655 looper letters, 21 selfloop transitions, 4 changer transitions 0/584 dead transitions. [2023-11-29 04:24:48,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 602 places, 584 transitions, 1632 flow [2023-11-29 04:24:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:24:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:24:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3692 transitions. [2023-11-29 04:24:48,578 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9394402035623409 [2023-11-29 04:24:48,578 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3692 transitions. [2023-11-29 04:24:48,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3692 transitions. [2023-11-29 04:24:48,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:48,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3692 transitions. [2023-11-29 04:24:48,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.3333333333334) internal successors, (3692), 6 states have internal predecessors, (3692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:48,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:48,587 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:48,587 INFO L175 Difference]: Start difference. First operand has 598 places, 585 transitions, 1584 flow. Second operand 6 states and 3692 transitions. [2023-11-29 04:24:48,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 602 places, 584 transitions, 1632 flow [2023-11-29 04:24:48,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 584 transitions, 1613 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-29 04:24:48,601 INFO L231 Difference]: Finished difference. Result has 595 places, 584 transitions, 1571 flow [2023-11-29 04:24:48,601 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1563, PETRI_DIFFERENCE_MINUEND_PLACES=590, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1571, PETRI_PLACES=595, PETRI_TRANSITIONS=584} [2023-11-29 04:24:48,602 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -6 predicate places. [2023-11-29 04:24:48,602 INFO L495 AbstractCegarLoop]: Abstraction has has 595 places, 584 transitions, 1571 flow [2023-11-29 04:24:48,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 612.8333333333334) internal successors, (3677), 6 states have internal predecessors, (3677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:48,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:48,603 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:48,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:24:48,603 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:48,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1796255893, now seen corresponding path program 1 times [2023-11-29 04:24:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:48,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246124621] [2023-11-29 04:24:48,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:24:48,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:48,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246124621] [2023-11-29 04:24:48,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246124621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:48,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:48,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:24:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84160680] [2023-11-29 04:24:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:48,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:48,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:48,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:48,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:49,324 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2023-11-29 04:24:49,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 584 transitions, 1571 flow. Second operand has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:49,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:49,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2023-11-29 04:24:49,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:51,744 INFO L124 PetriNetUnfolderBase]: 611/9560 cut-off events. [2023-11-29 04:24:51,744 INFO L125 PetriNetUnfolderBase]: For 805/919 co-relation queries the response was YES. [2023-11-29 04:24:51,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12168 conditions, 9560 events. 611/9560 cut-off events. For 805/919 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 96752 event pairs, 119 based on Foata normal form. 27/8816 useless extension candidates. Maximal degree in co-relation 12072. Up to 281 conditions per place. [2023-11-29 04:24:51,878 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 74 selfloop transitions, 24 changer transitions 0/620 dead transitions. [2023-11-29 04:24:51,878 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 620 transitions, 1900 flow [2023-11-29 04:24:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:24:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 04:24:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7209 transitions. [2023-11-29 04:24:51,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.917175572519084 [2023-11-29 04:24:51,884 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 7209 transitions. [2023-11-29 04:24:51,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 7209 transitions. [2023-11-29 04:24:51,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:51,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 7209 transitions. [2023-11-29 04:24:51,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 600.75) internal successors, (7209), 12 states have internal predecessors, (7209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:51,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:51,898 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:51,898 INFO L175 Difference]: Start difference. First operand has 595 places, 584 transitions, 1571 flow. Second operand 12 states and 7209 transitions. [2023-11-29 04:24:51,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 620 transitions, 1900 flow [2023-11-29 04:24:51,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 620 transitions, 1893 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:24:51,916 INFO L231 Difference]: Finished difference. Result has 607 places, 596 transitions, 1708 flow [2023-11-29 04:24:51,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1564, PETRI_DIFFERENCE_MINUEND_PLACES=591, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1708, PETRI_PLACES=607, PETRI_TRANSITIONS=596} [2023-11-29 04:24:51,917 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 6 predicate places. [2023-11-29 04:24:51,917 INFO L495 AbstractCegarLoop]: Abstraction has has 607 places, 596 transitions, 1708 flow [2023-11-29 04:24:51,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.375) internal successors, (4787), 8 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:51,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:51,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:51,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 04:24:51,918 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:51,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:51,919 INFO L85 PathProgramCache]: Analyzing trace with hash -751278349, now seen corresponding path program 1 times [2023-11-29 04:24:51,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:51,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620076884] [2023-11-29 04:24:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:24:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:52,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620076884] [2023-11-29 04:24:52,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620076884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:52,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:52,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:24:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061397970] [2023-11-29 04:24:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:52,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:24:52,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:52,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:24:52,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:52,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 655 [2023-11-29 04:24:52,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 596 transitions, 1708 flow. Second operand has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:52,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:52,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 655 [2023-11-29 04:24:52,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:54,885 INFO L124 PetriNetUnfolderBase]: 659/8969 cut-off events. [2023-11-29 04:24:54,885 INFO L125 PetriNetUnfolderBase]: For 1136/1218 co-relation queries the response was YES. [2023-11-29 04:24:54,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11616 conditions, 8969 events. 659/8969 cut-off events. For 1136/1218 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 92821 event pairs, 148 based on Foata normal form. 13/8175 useless extension candidates. Maximal degree in co-relation 11510. Up to 389 conditions per place. [2023-11-29 04:24:54,998 INFO L140 encePairwiseOnDemand]: 638/655 looper letters, 73 selfloop transitions, 24 changer transitions 0/626 dead transitions. [2023-11-29 04:24:54,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 626 transitions, 2022 flow [2023-11-29 04:24:54,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:24:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 04:24:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7208 transitions. [2023-11-29 04:24:55,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9170483460559796 [2023-11-29 04:24:55,006 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 7208 transitions. [2023-11-29 04:24:55,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 7208 transitions. [2023-11-29 04:24:55,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:55,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 7208 transitions. [2023-11-29 04:24:55,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 600.6666666666666) internal successors, (7208), 12 states have internal predecessors, (7208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:55,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:55,022 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 655.0) internal successors, (8515), 13 states have internal predecessors, (8515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:55,022 INFO L175 Difference]: Start difference. First operand has 607 places, 596 transitions, 1708 flow. Second operand 12 states and 7208 transitions. [2023-11-29 04:24:55,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 626 transitions, 2022 flow [2023-11-29 04:24:55,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 626 transitions, 2022 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:24:55,039 INFO L231 Difference]: Finished difference. Result has 621 places, 603 transitions, 1831 flow [2023-11-29 04:24:55,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1708, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1831, PETRI_PLACES=621, PETRI_TRANSITIONS=603} [2023-11-29 04:24:55,040 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 20 predicate places. [2023-11-29 04:24:55,040 INFO L495 AbstractCegarLoop]: Abstraction has has 621 places, 603 transitions, 1831 flow [2023-11-29 04:24:55,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 598.5) internal successors, (4788), 8 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:55,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:55,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:55,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 04:24:55,042 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:55,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:55,042 INFO L85 PathProgramCache]: Analyzing trace with hash 762737188, now seen corresponding path program 1 times [2023-11-29 04:24:55,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:55,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293311297] [2023-11-29 04:24:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:55,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:24:55,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:55,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293311297] [2023-11-29 04:24:55,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293311297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:55,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:55,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:24:55,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089721823] [2023-11-29 04:24:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:55,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:24:55,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:55,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:24:55,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:24:56,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:24:56,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 603 transitions, 1831 flow. Second operand has 6 states, 6 states have (on average 607.8333333333334) internal successors, (3647), 6 states have internal predecessors, (3647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:56,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:24:56,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:24:56,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:24:58,640 INFO L124 PetriNetUnfolderBase]: 307/8898 cut-off events. [2023-11-29 04:24:58,640 INFO L125 PetriNetUnfolderBase]: For 706/752 co-relation queries the response was YES. [2023-11-29 04:24:58,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10810 conditions, 8898 events. 307/8898 cut-off events. For 706/752 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 80957 event pairs, 16 based on Foata normal form. 12/8313 useless extension candidates. Maximal degree in co-relation 10696. Up to 177 conditions per place. [2023-11-29 04:24:58,751 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 38 selfloop transitions, 10 changer transitions 0/616 dead transitions. [2023-11-29 04:24:58,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 624 places, 616 transitions, 1964 flow [2023-11-29 04:24:58,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:24:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:24:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3679 transitions. [2023-11-29 04:24:58,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9361323155216285 [2023-11-29 04:24:58,754 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3679 transitions. [2023-11-29 04:24:58,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3679 transitions. [2023-11-29 04:24:58,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:24:58,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3679 transitions. [2023-11-29 04:24:58,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 613.1666666666666) internal successors, (3679), 6 states have internal predecessors, (3679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:58,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:58,760 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:58,760 INFO L175 Difference]: Start difference. First operand has 621 places, 603 transitions, 1831 flow. Second operand 6 states and 3679 transitions. [2023-11-29 04:24:58,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 624 places, 616 transitions, 1964 flow [2023-11-29 04:24:58,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 616 transitions, 1947 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 04:24:58,776 INFO L231 Difference]: Finished difference. Result has 622 places, 605 transitions, 1862 flow [2023-11-29 04:24:58,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1810, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1862, PETRI_PLACES=622, PETRI_TRANSITIONS=605} [2023-11-29 04:24:58,777 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 21 predicate places. [2023-11-29 04:24:58,777 INFO L495 AbstractCegarLoop]: Abstraction has has 622 places, 605 transitions, 1862 flow [2023-11-29 04:24:58,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 607.8333333333334) internal successors, (3647), 6 states have internal predecessors, (3647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:58,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:24:58,778 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:58,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 04:24:58,778 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:24:58,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1808751106, now seen corresponding path program 1 times [2023-11-29 04:24:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:58,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631057955] [2023-11-29 04:24:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:59,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:59,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631057955] [2023-11-29 04:24:59,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631057955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:59,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:59,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:24:59,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989006049] [2023-11-29 04:24:59,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:59,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:24:59,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:59,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:24:59,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:00,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 655 [2023-11-29 04:25:00,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 605 transitions, 1862 flow. Second operand has 6 states, 6 states have (on average 613.0) internal successors, (3678), 6 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:00,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:00,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 655 [2023-11-29 04:25:00,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:01,917 INFO L124 PetriNetUnfolderBase]: 217/7848 cut-off events. [2023-11-29 04:25:01,917 INFO L125 PetriNetUnfolderBase]: For 547/587 co-relation queries the response was YES. [2023-11-29 04:25:01,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9474 conditions, 7848 events. 217/7848 cut-off events. For 547/587 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 68802 event pairs, 8 based on Foata normal form. 8/7354 useless extension candidates. Maximal degree in co-relation 9356. Up to 127 conditions per place. [2023-11-29 04:25:01,996 INFO L140 encePairwiseOnDemand]: 650/655 looper letters, 21 selfloop transitions, 4 changer transitions 0/604 dead transitions. [2023-11-29 04:25:01,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 604 transitions, 1910 flow [2023-11-29 04:25:01,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3692 transitions. [2023-11-29 04:25:01,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9394402035623409 [2023-11-29 04:25:01,999 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3692 transitions. [2023-11-29 04:25:01,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3692 transitions. [2023-11-29 04:25:01,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:02,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3692 transitions. [2023-11-29 04:25:02,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 615.3333333333334) internal successors, (3692), 6 states have internal predecessors, (3692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:02,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:02,005 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:02,005 INFO L175 Difference]: Start difference. First operand has 622 places, 605 transitions, 1862 flow. Second operand 6 states and 3692 transitions. [2023-11-29 04:25:02,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 604 transitions, 1910 flow [2023-11-29 04:25:02,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 625 places, 604 transitions, 1906 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:02,017 INFO L231 Difference]: Finished difference. Result has 625 places, 604 transitions, 1864 flow [2023-11-29 04:25:02,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1856, PETRI_DIFFERENCE_MINUEND_PLACES=620, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1864, PETRI_PLACES=625, PETRI_TRANSITIONS=604} [2023-11-29 04:25:02,018 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 24 predicate places. [2023-11-29 04:25:02,018 INFO L495 AbstractCegarLoop]: Abstraction has has 625 places, 604 transitions, 1864 flow [2023-11-29 04:25:02,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 613.0) internal successors, (3678), 6 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:02,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:02,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:02,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 04:25:02,020 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:02,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:02,020 INFO L85 PathProgramCache]: Analyzing trace with hash -358484791, now seen corresponding path program 1 times [2023-11-29 04:25:02,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:02,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077895151] [2023-11-29 04:25:02,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:02,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:02,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:02,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077895151] [2023-11-29 04:25:02,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077895151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:02,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:02,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:02,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66887554] [2023-11-29 04:25:02,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:02,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:02,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:02,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:02,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:03,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:25:03,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 625 places, 604 transitions, 1864 flow. Second operand has 6 states, 6 states have (on average 608.0) internal successors, (3648), 6 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:03,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:03,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:25:03,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:05,780 INFO L124 PetriNetUnfolderBase]: 407/11413 cut-off events. [2023-11-29 04:25:05,780 INFO L125 PetriNetUnfolderBase]: For 782/888 co-relation queries the response was YES. [2023-11-29 04:25:05,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13983 conditions, 11413 events. 407/11413 cut-off events. For 782/888 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 113545 event pairs, 18 based on Foata normal form. 8/10720 useless extension candidates. Maximal degree in co-relation 13864. Up to 294 conditions per place. [2023-11-29 04:25:05,944 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 37 selfloop transitions, 10 changer transitions 0/616 dead transitions. [2023-11-29 04:25:05,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 616 transitions, 1992 flow [2023-11-29 04:25:05,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3678 transitions. [2023-11-29 04:25:05,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9358778625954198 [2023-11-29 04:25:05,949 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3678 transitions. [2023-11-29 04:25:05,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3678 transitions. [2023-11-29 04:25:05,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:05,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3678 transitions. [2023-11-29 04:25:05,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 613.0) internal successors, (3678), 6 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,958 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,958 INFO L175 Difference]: Start difference. First operand has 625 places, 604 transitions, 1864 flow. Second operand 6 states and 3678 transitions. [2023-11-29 04:25:05,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 616 transitions, 1992 flow [2023-11-29 04:25:05,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 616 transitions, 1985 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:25:05,977 INFO L231 Difference]: Finished difference. Result has 628 places, 606 transitions, 1905 flow [2023-11-29 04:25:05,978 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1853, PETRI_DIFFERENCE_MINUEND_PLACES=619, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1905, PETRI_PLACES=628, PETRI_TRANSITIONS=606} [2023-11-29 04:25:05,978 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 27 predicate places. [2023-11-29 04:25:05,979 INFO L495 AbstractCegarLoop]: Abstraction has has 628 places, 606 transitions, 1905 flow [2023-11-29 04:25:05,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 608.0) internal successors, (3648), 6 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:05,979 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:05,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 04:25:05,980 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:05,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash -906449845, now seen corresponding path program 1 times [2023-11-29 04:25:05,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:05,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56143812] [2023-11-29 04:25:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:05,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:06,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:06,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56143812] [2023-11-29 04:25:06,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56143812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:06,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:06,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:06,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037323493] [2023-11-29 04:25:06,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:06,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:06,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:06,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:06,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:06,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 655 [2023-11-29 04:25:06,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 606 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:06,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 655 [2023-11-29 04:25:06,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:10,222 INFO L124 PetriNetUnfolderBase]: 863/16796 cut-off events. [2023-11-29 04:25:10,222 INFO L125 PetriNetUnfolderBase]: For 1458/1479 co-relation queries the response was YES. [2023-11-29 04:25:10,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21467 conditions, 16796 events. 863/16796 cut-off events. For 1458/1479 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 190679 event pairs, 169 based on Foata normal form. 0/15813 useless extension candidates. Maximal degree in co-relation 21347. Up to 946 conditions per place. [2023-11-29 04:25:10,508 INFO L140 encePairwiseOnDemand]: 647/655 looper letters, 19 selfloop transitions, 4 changer transitions 0/610 dead transitions. [2023-11-29 04:25:10,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 610 transitions, 1963 flow [2023-11-29 04:25:10,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1887 transitions. [2023-11-29 04:25:10,510 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9603053435114504 [2023-11-29 04:25:10,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1887 transitions. [2023-11-29 04:25:10,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1887 transitions. [2023-11-29 04:25:10,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:10,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1887 transitions. [2023-11-29 04:25:10,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 629.0) internal successors, (1887), 3 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,513 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,513 INFO L175 Difference]: Start difference. First operand has 628 places, 606 transitions, 1905 flow. Second operand 3 states and 1887 transitions. [2023-11-29 04:25:10,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 610 transitions, 1963 flow [2023-11-29 04:25:10,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 625 places, 610 transitions, 1959 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:10,535 INFO L231 Difference]: Finished difference. Result has 626 places, 606 transitions, 1921 flow [2023-11-29 04:25:10,536 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1921, PETRI_PLACES=626, PETRI_TRANSITIONS=606} [2023-11-29 04:25:10,536 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 25 predicate places. [2023-11-29 04:25:10,536 INFO L495 AbstractCegarLoop]: Abstraction has has 626 places, 606 transitions, 1921 flow [2023-11-29 04:25:10,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:10,537 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:10,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 04:25:10,537 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:10,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:10,538 INFO L85 PathProgramCache]: Analyzing trace with hash -333094100, now seen corresponding path program 1 times [2023-11-29 04:25:10,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:10,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202862895] [2023-11-29 04:25:10,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:10,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:11,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:11,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202862895] [2023-11-29 04:25:11,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202862895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:11,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:11,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:11,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138700987] [2023-11-29 04:25:11,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:11,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:11,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:11,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:11,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:11,938 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:25:11,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 626 places, 606 transitions, 1921 flow. Second operand has 6 states, 6 states have (on average 607.8333333333334) internal successors, (3647), 6 states have internal predecessors, (3647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:11,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:11,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:25:11,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:14,849 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] thread3EXIT-->L97-7: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork2_thidvar0_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|} AuxVars[] AssignedVars[][573], [Black: 749#(= ~i_BC~0 0), Black: 758#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 766#(and (<= ~Bn~0 0) (not |thread2Thread1of1ForFork1_#t~short6|) (= ~i_BC~0 0)), Black: 760#(and (<= ~Bn~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 753#(and (<= ~Bn~0 0) (= ~i_BC~0 0)), Black: 775#(not |thread3Thread1of1ForFork2_#t~short11|), 698#(= |#race~A~0| 0), Black: 904#(= (select (select |#race| ~B~0.base) (+ (* ~i_BC~0 4) ~B~0.offset)) 0), Black: 905#(and (= (select (select |#race| ~B~0.base) (+ (* ~i_BC~0 4) ~B~0.offset)) 0) (= (select (select |#race| ~B~0.base) (+ (* ~i_BC~0 4) ~B~0.offset 1)) 0)), Black: 906#(and (= (select (select |#race| ~B~0.base) (+ (* ~i_BC~0 4) ~B~0.offset)) 0) (= (select (select |#race| ~B~0.base) (+ (* ~i_BC~0 4) 2 ~B~0.offset)) 0) (= (select (select |#race| ~B~0.base) (+ (* ~i_BC~0 4) ~B~0.offset 1)) 0)), 781#(= ~i_AC~0 0), 902#true, Black: 913#true, 862#(= ~i_AC~0 0), 476#L97-7true, 649#(= |#race~An~0| 0), Black: 785#(and (= ~i_AC~0 0) (<= ~An~0 0)), Black: 798#(and (not |thread3Thread1of1ForFork2_#t~short11|) (= ~i_AC~0 0) (<= ~An~0 0)), 832#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 712#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 664#(= |#race~Bn~0| 0), 747#true, 900#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 688#(not |thread1Thread1of1ForFork0_#t~short1|), 915#(= |#race~C~0| 0), Black: 809#(and (<= ~Bn~0 0) (= ~i_AB~0 0)), Black: 822#(and (<= ~Bn~0 0) (= ~i_AB~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 805#(= ~i_AB~0 0), Black: 696#true, Black: 703#(not |thread2Thread1of1ForFork1_#t~short6|), Black: 714#true, 672#(= |#race~Cn~0| 0), Black: 840#(and (<= ~Cn~0 0) (= ~i_BC~0 0)), Black: 847#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~Cn~0 0) (= ~i_BC~0 0)), Black: 845#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 836#(= ~i_BC~0 0), Black: 853#(and (not |thread2Thread1of1ForFork1_#t~short6|) (<= ~Cn~0 0) (= ~i_BC~0 0)), 716#(= |#race~B~0| 0), 834#true, Black: 738#(and (<= ~An~0 0) (= ~i_AB~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 730#(and (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (= ~i_AB~0 0)), Black: 732#(and (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~An~0 0) (= ~i_AB~0 0)), Black: 721#(= ~i_AB~0 0), Black: 725#(and (<= ~An~0 0) (= ~i_AB~0 0)), Black: 879#(and (not |thread3Thread1of1ForFork2_#t~short11|) (= ~i_AC~0 0) (<= ~Cn~0 0)), 923#(and (= (select (select |#race| ~B~0.base) (+ (* ~i_AB~0 4) 2 ~B~0.offset)) 0) (= (select (select |#race| ~B~0.base) (+ (* ~i_AB~0 4) ~B~0.offset)) 0) (= (select (select |#race| ~B~0.base) (+ (* ~i_AB~0 4) 3 ~B~0.offset)) 0) (= (select (select |#race| ~B~0.base) (+ (* ~i_AB~0 4) ~B~0.offset 1)) 0)), 719#true, Black: 866#(and (= ~i_AC~0 0) (<= ~Cn~0 0)), Black: 884#true, Black: 887#(and (= (select (select |#race| ~A~0.base) (+ (* ~i_AB~0 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* ~i_AB~0 4) ~A~0.offset)) 0)), Black: 888#(and (= (select (select |#race| ~A~0.base) (+ (* ~i_AB~0 4) 2 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* ~i_AB~0 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* ~i_AB~0 4) ~A~0.offset)) 0)), Black: 886#(= (select (select |#race| ~A~0.base) (+ (* ~i_AB~0 4) ~A~0.offset)) 0)]) [2023-11-29 04:25:14,849 INFO L294 olderBase$Statistics]: this new event has 456 ancestors and is cut-off event [2023-11-29 04:25:14,849 INFO L297 olderBase$Statistics]: existing Event has 383 ancestors and is cut-off event [2023-11-29 04:25:14,849 INFO L297 olderBase$Statistics]: existing Event has 411 ancestors and is cut-off event [2023-11-29 04:25:14,849 INFO L297 olderBase$Statistics]: existing Event has 411 ancestors and is cut-off event [2023-11-29 04:25:15,000 INFO L124 PetriNetUnfolderBase]: 446/12485 cut-off events. [2023-11-29 04:25:15,000 INFO L125 PetriNetUnfolderBase]: For 946/1034 co-relation queries the response was YES. [2023-11-29 04:25:15,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15951 conditions, 12485 events. 446/12485 cut-off events. For 946/1034 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 126240 event pairs, 25 based on Foata normal form. 36/11951 useless extension candidates. Maximal degree in co-relation 15828. Up to 273 conditions per place. [2023-11-29 04:25:15,155 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 38 selfloop transitions, 10 changer transitions 0/619 dead transitions. [2023-11-29 04:25:15,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 619 transitions, 2054 flow [2023-11-29 04:25:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3679 transitions. [2023-11-29 04:25:15,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9361323155216285 [2023-11-29 04:25:15,159 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3679 transitions. [2023-11-29 04:25:15,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3679 transitions. [2023-11-29 04:25:15,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:15,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3679 transitions. [2023-11-29 04:25:15,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 613.1666666666666) internal successors, (3679), 6 states have internal predecessors, (3679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:15,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:15,167 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:15,168 INFO L175 Difference]: Start difference. First operand has 626 places, 606 transitions, 1921 flow. Second operand 6 states and 3679 transitions. [2023-11-29 04:25:15,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 619 transitions, 2054 flow [2023-11-29 04:25:15,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 619 transitions, 2054 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:25:15,189 INFO L231 Difference]: Finished difference. Result has 633 places, 608 transitions, 1969 flow [2023-11-29 04:25:15,190 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1917, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=594, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1969, PETRI_PLACES=633, PETRI_TRANSITIONS=608} [2023-11-29 04:25:15,190 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 32 predicate places. [2023-11-29 04:25:15,190 INFO L495 AbstractCegarLoop]: Abstraction has has 633 places, 608 transitions, 1969 flow [2023-11-29 04:25:15,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 607.8333333333334) internal successors, (3647), 6 states have internal predecessors, (3647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:15,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:15,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:15,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 04:25:15,191 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:15,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:15,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1572196981, now seen corresponding path program 1 times [2023-11-29 04:25:15,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:15,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124336448] [2023-11-29 04:25:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:15,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:15,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:15,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124336448] [2023-11-29 04:25:15,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124336448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:15,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:15,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:15,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256901923] [2023-11-29 04:25:15,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:15,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:15,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:15,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:15,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:16,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:25:16,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 633 places, 608 transitions, 1969 flow. Second operand has 6 states, 6 states have (on average 608.1666666666666) internal successors, (3649), 6 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:16,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:16,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:25:16,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:21,309 INFO L124 PetriNetUnfolderBase]: 936/17753 cut-off events. [2023-11-29 04:25:21,310 INFO L125 PetriNetUnfolderBase]: For 1591/1646 co-relation queries the response was YES. [2023-11-29 04:25:21,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23520 conditions, 17753 events. 936/17753 cut-off events. For 1591/1646 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 206557 event pairs, 75 based on Foata normal form. 4/16962 useless extension candidates. Maximal degree in co-relation 23393. Up to 660 conditions per place. [2023-11-29 04:25:21,597 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 36 selfloop transitions, 10 changer transitions 0/619 dead transitions. [2023-11-29 04:25:21,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 619 transitions, 2092 flow [2023-11-29 04:25:21,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3677 transitions. [2023-11-29 04:25:21,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9356234096692112 [2023-11-29 04:25:21,601 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3677 transitions. [2023-11-29 04:25:21,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3677 transitions. [2023-11-29 04:25:21,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:21,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3677 transitions. [2023-11-29 04:25:21,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 612.8333333333334) internal successors, (3677), 6 states have internal predecessors, (3677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:21,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:21,606 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:21,606 INFO L175 Difference]: Start difference. First operand has 633 places, 608 transitions, 1969 flow. Second operand 6 states and 3677 transitions. [2023-11-29 04:25:21,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 619 transitions, 2092 flow [2023-11-29 04:25:21,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 619 transitions, 2088 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:21,627 INFO L231 Difference]: Finished difference. Result has 639 places, 610 transitions, 2013 flow [2023-11-29 04:25:21,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1961, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=596, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2013, PETRI_PLACES=639, PETRI_TRANSITIONS=610} [2023-11-29 04:25:21,629 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 38 predicate places. [2023-11-29 04:25:21,629 INFO L495 AbstractCegarLoop]: Abstraction has has 639 places, 610 transitions, 2013 flow [2023-11-29 04:25:21,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 608.1666666666666) internal successors, (3649), 6 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:21,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:21,630 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:21,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 04:25:21,630 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:21,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:21,630 INFO L85 PathProgramCache]: Analyzing trace with hash -986458767, now seen corresponding path program 1 times [2023-11-29 04:25:21,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:21,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977870625] [2023-11-29 04:25:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:22,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:22,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977870625] [2023-11-29 04:25:22,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977870625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:22,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:22,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:22,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450018914] [2023-11-29 04:25:22,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:22,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:22,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:22,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:22,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:22,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:25:22,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 610 transitions, 2013 flow. Second operand has 6 states, 6 states have (on average 608.0) internal successors, (3648), 6 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:22,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:22,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:25:22,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:26,854 INFO L124 PetriNetUnfolderBase]: 613/15937 cut-off events. [2023-11-29 04:25:26,854 INFO L125 PetriNetUnfolderBase]: For 1354/1608 co-relation queries the response was YES. [2023-11-29 04:25:27,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21607 conditions, 15937 events. 613/15937 cut-off events. For 1354/1608 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 173286 event pairs, 40 based on Foata normal form. 28/15411 useless extension candidates. Maximal degree in co-relation 21476. Up to 416 conditions per place. [2023-11-29 04:25:27,109 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 37 selfloop transitions, 10 changer transitions 0/622 dead transitions. [2023-11-29 04:25:27,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 622 transitions, 2141 flow [2023-11-29 04:25:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3678 transitions. [2023-11-29 04:25:27,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9358778625954198 [2023-11-29 04:25:27,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3678 transitions. [2023-11-29 04:25:27,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3678 transitions. [2023-11-29 04:25:27,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:27,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3678 transitions. [2023-11-29 04:25:27,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 613.0) internal successors, (3678), 6 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:27,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:27,119 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:27,119 INFO L175 Difference]: Start difference. First operand has 639 places, 610 transitions, 2013 flow. Second operand 6 states and 3678 transitions. [2023-11-29 04:25:27,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 622 transitions, 2141 flow [2023-11-29 04:25:27,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 622 transitions, 2137 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:27,141 INFO L231 Difference]: Finished difference. Result has 645 places, 612 transitions, 2057 flow [2023-11-29 04:25:27,142 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=2005, PETRI_DIFFERENCE_MINUEND_PLACES=636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2057, PETRI_PLACES=645, PETRI_TRANSITIONS=612} [2023-11-29 04:25:27,143 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 44 predicate places. [2023-11-29 04:25:27,143 INFO L495 AbstractCegarLoop]: Abstraction has has 645 places, 612 transitions, 2057 flow [2023-11-29 04:25:27,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 608.0) internal successors, (3648), 6 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:27,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:27,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:27,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 04:25:27,143 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:27,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:27,144 INFO L85 PathProgramCache]: Analyzing trace with hash 961534772, now seen corresponding path program 1 times [2023-11-29 04:25:27,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:27,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124327170] [2023-11-29 04:25:27,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:27,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:27,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:27,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124327170] [2023-11-29 04:25:27,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124327170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:27,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:27,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:27,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578140092] [2023-11-29 04:25:27,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:27,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:27,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:27,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:27,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:27,237 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 619 out of 655 [2023-11-29 04:25:27,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 612 transitions, 2057 flow. Second operand has 3 states, 3 states have (on average 622.0) internal successors, (1866), 3 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:27,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:27,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 619 of 655 [2023-11-29 04:25:27,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:31,553 INFO L124 PetriNetUnfolderBase]: 570/15614 cut-off events. [2023-11-29 04:25:31,553 INFO L125 PetriNetUnfolderBase]: For 1368/1631 co-relation queries the response was YES. [2023-11-29 04:25:31,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21905 conditions, 15614 events. 570/15614 cut-off events. For 1368/1631 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 164741 event pairs, 101 based on Foata normal form. 3/15113 useless extension candidates. Maximal degree in co-relation 21772. Up to 712 conditions per place. [2023-11-29 04:25:31,803 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 19 selfloop transitions, 2 changer transitions 0/613 dead transitions. [2023-11-29 04:25:31,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 613 transitions, 2103 flow [2023-11-29 04:25:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1879 transitions. [2023-11-29 04:25:31,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.956234096692112 [2023-11-29 04:25:31,806 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1879 transitions. [2023-11-29 04:25:31,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1879 transitions. [2023-11-29 04:25:31,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:31,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1879 transitions. [2023-11-29 04:25:31,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 626.3333333333334) internal successors, (1879), 3 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,809 INFO L175 Difference]: Start difference. First operand has 645 places, 612 transitions, 2057 flow. Second operand 3 states and 1879 transitions. [2023-11-29 04:25:31,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 613 transitions, 2103 flow [2023-11-29 04:25:31,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 613 transitions, 2099 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:31,837 INFO L231 Difference]: Finished difference. Result has 645 places, 611 transitions, 2055 flow [2023-11-29 04:25:31,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=2051, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=611, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2055, PETRI_PLACES=645, PETRI_TRANSITIONS=611} [2023-11-29 04:25:31,838 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 44 predicate places. [2023-11-29 04:25:31,838 INFO L495 AbstractCegarLoop]: Abstraction has has 645 places, 611 transitions, 2055 flow [2023-11-29 04:25:31,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.0) internal successors, (1866), 3 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:31,839 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:31,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 04:25:31,839 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:31,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:31,839 INFO L85 PathProgramCache]: Analyzing trace with hash 582729107, now seen corresponding path program 1 times [2023-11-29 04:25:31,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:31,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184468173] [2023-11-29 04:25:31,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:32,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:32,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184468173] [2023-11-29 04:25:32,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184468173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:32,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:32,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:32,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640374037] [2023-11-29 04:25:32,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:32,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:32,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:32,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:33,161 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 605 out of 655 [2023-11-29 04:25:33,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 611 transitions, 2055 flow. Second operand has 6 states, 6 states have (on average 608.1666666666666) internal successors, (3649), 6 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:33,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:33,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 605 of 655 [2023-11-29 04:25:33,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:37,904 INFO L124 PetriNetUnfolderBase]: 939/17655 cut-off events. [2023-11-29 04:25:37,905 INFO L125 PetriNetUnfolderBase]: For 1987/2045 co-relation queries the response was YES. [2023-11-29 04:25:38,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24942 conditions, 17655 events. 939/17655 cut-off events. For 1987/2045 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 204686 event pairs, 61 based on Foata normal form. 77/17090 useless extension candidates. Maximal degree in co-relation 24806. Up to 606 conditions per place. [2023-11-29 04:25:38,198 INFO L140 encePairwiseOnDemand]: 644/655 looper letters, 29 selfloop transitions, 6 changer transitions 174/622 dead transitions. [2023-11-29 04:25:38,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 622 transitions, 2176 flow [2023-11-29 04:25:38,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3676 transitions. [2023-11-29 04:25:38,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353689567430026 [2023-11-29 04:25:38,201 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3676 transitions. [2023-11-29 04:25:38,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3676 transitions. [2023-11-29 04:25:38,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:38,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3676 transitions. [2023-11-29 04:25:38,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 612.6666666666666) internal successors, (3676), 6 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:38,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:38,207 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 655.0) internal successors, (4585), 7 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:38,207 INFO L175 Difference]: Start difference. First operand has 645 places, 611 transitions, 2055 flow. Second operand 6 states and 3676 transitions. [2023-11-29 04:25:38,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 648 places, 622 transitions, 2176 flow [2023-11-29 04:25:38,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 622 transitions, 2172 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:25:38,235 INFO L231 Difference]: Finished difference. Result has 646 places, 440 transitions, 1454 flow [2023-11-29 04:25:38,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=2047, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1454, PETRI_PLACES=646, PETRI_TRANSITIONS=440} [2023-11-29 04:25:38,236 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, 45 predicate places. [2023-11-29 04:25:38,236 INFO L495 AbstractCegarLoop]: Abstraction has has 646 places, 440 transitions, 1454 flow [2023-11-29 04:25:38,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 608.1666666666666) internal successors, (3649), 6 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:38,237 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:38,237 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:38,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 04:25:38,237 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:38,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:38,237 INFO L85 PathProgramCache]: Analyzing trace with hash -846056167, now seen corresponding path program 1 times [2023-11-29 04:25:38,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:38,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010685629] [2023-11-29 04:25:38,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:38,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:38,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010685629] [2023-11-29 04:25:38,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010685629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:38,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:38,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:38,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197408515] [2023-11-29 04:25:38,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:38,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:38,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:38,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:38,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:38,334 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 619 out of 655 [2023-11-29 04:25:38,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 440 transitions, 1454 flow. Second operand has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:38,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:38,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 619 of 655 [2023-11-29 04:25:38,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:40,033 INFO L124 PetriNetUnfolderBase]: 407/5559 cut-off events. [2023-11-29 04:25:40,033 INFO L125 PetriNetUnfolderBase]: For 1382/1394 co-relation queries the response was YES. [2023-11-29 04:25:40,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9074 conditions, 5559 events. 407/5559 cut-off events. For 1382/1394 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 47030 event pairs, 208 based on Foata normal form. 0/5304 useless extension candidates. Maximal degree in co-relation 8940. Up to 520 conditions per place. [2023-11-29 04:25:40,151 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 14 selfloop transitions, 2 changer transitions 10/441 dead transitions. [2023-11-29 04:25:40,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 441 transitions, 1490 flow [2023-11-29 04:25:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1874 transitions. [2023-11-29 04:25:40,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9536895674300254 [2023-11-29 04:25:40,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1874 transitions. [2023-11-29 04:25:40,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1874 transitions. [2023-11-29 04:25:40,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:40,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1874 transitions. [2023-11-29 04:25:40,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.6666666666666) internal successors, (1874), 3 states have internal predecessors, (1874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:40,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:40,156 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:40,156 INFO L175 Difference]: Start difference. First operand has 646 places, 440 transitions, 1454 flow. Second operand 3 states and 1874 transitions. [2023-11-29 04:25:40,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 441 transitions, 1490 flow [2023-11-29 04:25:40,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 441 transitions, 1340 flow, removed 5 selfloop flow, removed 56 redundant places. [2023-11-29 04:25:40,181 INFO L231 Difference]: Finished difference. Result has 465 places, 429 transitions, 1234 flow [2023-11-29 04:25:40,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1234, PETRI_PLACES=465, PETRI_TRANSITIONS=429} [2023-11-29 04:25:40,183 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -136 predicate places. [2023-11-29 04:25:40,183 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 429 transitions, 1234 flow [2023-11-29 04:25:40,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.3333333333334) internal successors, (1867), 3 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:40,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:40,184 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:40,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 04:25:40,184 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 116 more)] === [2023-11-29 04:25:40,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:40,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1915622555, now seen corresponding path program 1 times [2023-11-29 04:25:40,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:40,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238969804] [2023-11-29 04:25:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:25:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:40,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238969804] [2023-11-29 04:25:40,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238969804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:40,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:40,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:40,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207529518] [2023-11-29 04:25:40,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:40,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:40,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:40,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:40,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:40,296 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 619 out of 655 [2023-11-29 04:25:40,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 429 transitions, 1234 flow. Second operand has 3 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:40,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:40,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 619 of 655 [2023-11-29 04:25:40,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:41,370 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1656] thread2EXIT-->L96-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem35#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem35#1=|v_ULTIMATE.start_main_#t~mem35#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{ULTIMATE.start_main_#t~mem35#1=|v_ULTIMATE.start_main_#t~mem35#1_6|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][327], [Black: 749#(= ~i_BC~0 0), Black: 758#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 703#(not |thread2Thread1of1ForFork1_#t~short6|), Black: 766#(and (<= ~Bn~0 0) (not |thread2Thread1of1ForFork1_#t~short6|) (= ~i_BC~0 0)), Black: 760#(and (<= ~Bn~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 753#(and (<= ~Bn~0 0) (= ~i_BC~0 0)), 698#(= |#race~A~0| 0), Black: 775#(not |thread3Thread1of1ForFork2_#t~short11|), 118#L71-3true, 779#true, Black: 714#true, 962#true, Black: 913#true, 672#(= |#race~Cn~0| 0), Black: 845#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), 834#true, 716#(= |#race~B~0| 0), 860#true, Black: 781#(= ~i_AC~0 0), 649#(= |#race~An~0| 0), Black: 785#(and (= ~i_AC~0 0) (<= ~An~0 0)), Black: 798#(and (not |thread3Thread1of1ForFork2_#t~short11|) (= ~i_AC~0 0) (<= ~An~0 0)), 832#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 378#L96-7true, 712#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 721#(= ~i_AB~0 0), Black: 738#(and (<= ~An~0 0) (= ~i_AB~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 730#(and (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (= ~i_AB~0 0)), Black: 732#(and (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~An~0 0) (= ~i_AB~0 0)), Black: 725#(and (<= ~An~0 0) (= ~i_AB~0 0)), 805#(= ~i_AB~0 0), 664#(= |#race~Bn~0| 0), 747#true, 966#true, Black: 688#(not |thread1Thread1of1ForFork0_#t~short1|), 915#(= |#race~C~0| 0), Black: 809#(and (<= ~Bn~0 0) (= ~i_AB~0 0)), Black: 822#(and (<= ~Bn~0 0) (= ~i_AB~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 696#true]) [2023-11-29 04:25:41,371 INFO L294 olderBase$Statistics]: this new event has 454 ancestors and is cut-off event [2023-11-29 04:25:41,371 INFO L297 olderBase$Statistics]: existing Event has 381 ancestors and is cut-off event [2023-11-29 04:25:41,371 INFO L297 olderBase$Statistics]: existing Event has 409 ancestors and is cut-off event [2023-11-29 04:25:41,371 INFO L297 olderBase$Statistics]: existing Event has 353 ancestors and is cut-off event [2023-11-29 04:25:41,387 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1619] L71-10-->L71-11: Formula: (= |v_#race~C~0_4| 0) InVars {} OutVars{#race~C~0=|v_#race~C~0_4|} AuxVars[] AssignedVars[#race~C~0][370], [Black: 749#(= ~i_BC~0 0), Black: 758#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 766#(and (<= ~Bn~0 0) (not |thread2Thread1of1ForFork1_#t~short6|) (= ~i_BC~0 0)), Black: 703#(not |thread2Thread1of1ForFork1_#t~short6|), Black: 760#(and (<= ~Bn~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Bn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), Black: 753#(and (<= ~Bn~0 0) (= ~i_BC~0 0)), 698#(= |#race~A~0| 0), Black: 775#(not |thread3Thread1of1ForFork2_#t~short11|), 263#L71-11true, 779#true, Black: 714#true, 962#true, Black: 913#true, 672#(= |#race~Cn~0| 0), 165#L95-7true, Black: 845#(and (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~Cn~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= ~i_BC~0 0)), 716#(= |#race~B~0| 0), 834#true, 860#true, Black: 781#(= ~i_AC~0 0), 649#(= |#race~An~0| 0), Black: 785#(and (= ~i_AC~0 0) (<= ~An~0 0)), Black: 798#(and (not |thread3Thread1of1ForFork2_#t~short11|) (= ~i_AC~0 0) (<= ~An~0 0)), 712#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 721#(= ~i_AB~0 0), Black: 738#(and (<= ~An~0 0) (= ~i_AB~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 730#(and (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (= ~i_AB~0 0)), Black: 732#(and (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~An~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~0#1| 0) (<= ~An~0 0) (= ~i_AB~0 0)), Black: 725#(and (<= ~An~0 0) (= ~i_AB~0 0)), 805#(= ~i_AB~0 0), 664#(= |#race~Bn~0| 0), 747#true, 966#true, Black: 688#(not |thread1Thread1of1ForFork0_#t~short1|), 427#L60-11true, 915#(= |#race~C~0| 0), Black: 809#(and (<= ~Bn~0 0) (= ~i_AB~0 0)), Black: 822#(and (<= ~Bn~0 0) (= ~i_AB~0 0) (not |thread1Thread1of1ForFork0_#t~short1|)), Black: 696#true]) [2023-11-29 04:25:41,387 INFO L294 olderBase$Statistics]: this new event has 440 ancestors and is cut-off event [2023-11-29 04:25:41,387 INFO L297 olderBase$Statistics]: existing Event has 395 ancestors and is cut-off event [2023-11-29 04:25:41,387 INFO L297 olderBase$Statistics]: existing Event has 367 ancestors and is cut-off event [2023-11-29 04:25:41,387 INFO L297 olderBase$Statistics]: existing Event has 395 ancestors and is cut-off event [2023-11-29 04:25:41,404 INFO L124 PetriNetUnfolderBase]: 496/4480 cut-off events. [2023-11-29 04:25:41,404 INFO L125 PetriNetUnfolderBase]: For 768/796 co-relation queries the response was YES. [2023-11-29 04:25:41,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6419 conditions, 4480 events. 496/4480 cut-off events. For 768/796 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 37570 event pairs, 216 based on Foata normal form. 0/4229 useless extension candidates. Maximal degree in co-relation 6318. Up to 517 conditions per place. [2023-11-29 04:25:41,458 INFO L140 encePairwiseOnDemand]: 652/655 looper letters, 0 selfloop transitions, 0 changer transitions 430/430 dead transitions. [2023-11-29 04:25:41,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 430 transitions, 1270 flow [2023-11-29 04:25:41,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1874 transitions. [2023-11-29 04:25:41,459 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9536895674300254 [2023-11-29 04:25:41,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1874 transitions. [2023-11-29 04:25:41,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1874 transitions. [2023-11-29 04:25:41,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:41,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1874 transitions. [2023-11-29 04:25:41,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 624.6666666666666) internal successors, (1874), 3 states have internal predecessors, (1874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:41,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:41,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 655.0) internal successors, (2620), 4 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:41,462 INFO L175 Difference]: Start difference. First operand has 465 places, 429 transitions, 1234 flow. Second operand 3 states and 1874 transitions. [2023-11-29 04:25:41,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 430 transitions, 1270 flow [2023-11-29 04:25:41,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 430 transitions, 1237 flow, removed 5 selfloop flow, removed 12 redundant places. [2023-11-29 04:25:41,469 INFO L231 Difference]: Finished difference. Result has 449 places, 0 transitions, 0 flow [2023-11-29 04:25:41,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=655, PETRI_DIFFERENCE_MINUEND_FLOW=1199, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=449, PETRI_TRANSITIONS=0} [2023-11-29 04:25:41,469 INFO L281 CegarLoopForPetriNet]: 601 programPoint places, -152 predicate places. [2023-11-29 04:25:41,470 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 0 transitions, 0 flow [2023-11-29 04:25:41,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:41,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (119 of 120 remaining) [2023-11-29 04:25:41,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (118 of 120 remaining) [2023-11-29 04:25:41,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (117 of 120 remaining) [2023-11-29 04:25:41,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (116 of 120 remaining) [2023-11-29 04:25:41,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (115 of 120 remaining) [2023-11-29 04:25:41,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (114 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (113 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (112 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (111 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (108 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (107 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (106 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (105 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (104 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (103 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (102 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (101 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (100 of 120 remaining) [2023-11-29 04:25:41,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (99 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (98 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (97 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (96 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (95 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (94 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (93 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (92 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (91 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (90 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (89 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (88 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (87 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (86 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (85 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (84 of 120 remaining) [2023-11-29 04:25:41,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (83 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (82 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (81 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (80 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (79 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (78 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (77 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (76 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (75 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (74 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (73 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (72 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (71 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (70 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (69 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (68 of 120 remaining) [2023-11-29 04:25:41,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (67 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (66 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (65 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (64 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (63 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (62 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (61 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (60 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (59 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (58 of 120 remaining) [2023-11-29 04:25:41,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (57 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (56 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (55 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (54 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (53 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (52 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (51 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (50 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (49 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (48 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (47 of 120 remaining) [2023-11-29 04:25:41,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (46 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (45 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (44 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (43 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (42 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (41 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (40 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (39 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 120 remaining) [2023-11-29 04:25:41,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (27 of 120 remaining) [2023-11-29 04:25:41,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (26 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (25 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 120 remaining) [2023-11-29 04:25:41,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (15 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (14 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (13 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 120 remaining) [2023-11-29 04:25:41,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 120 remaining) [2023-11-29 04:25:41,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 120 remaining) [2023-11-29 04:25:41,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 120 remaining) [2023-11-29 04:25:41,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 04:25:41,483 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:41,489 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:25:41,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:25:41,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:25:41 BasicIcfg [2023-11-29 04:25:41,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:25:41,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:25:41,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:25:41,496 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:25:41,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:24:12" (3/4) ... [2023-11-29 04:25:41,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:25:41,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 04:25:41,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 04:25:41,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 04:25:41,512 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-29 04:25:41,513 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:25:41,514 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:25:41,515 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:25:41,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:25:41,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:25:41,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:25:41,615 INFO L158 Benchmark]: Toolchain (without parser) took 90469.92ms. Allocated memory was 209.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 178.6MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2023-11-29 04:25:41,615 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:25:41,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.68ms. Allocated memory is still 209.7MB. Free memory was 178.4MB in the beginning and 170.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-29 04:25:41,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.40ms. Allocated memory is still 209.7MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:41,616 INFO L158 Benchmark]: Boogie Preprocessor took 67.05ms. Allocated memory is still 209.7MB. Free memory was 166.5MB in the beginning and 162.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:25:41,617 INFO L158 Benchmark]: RCFGBuilder took 1084.79ms. Allocated memory is still 209.7MB. Free memory was 162.3MB in the beginning and 133.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 04:25:41,617 INFO L158 Benchmark]: TraceAbstraction took 88794.40ms. Allocated memory was 209.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 131.9MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2023-11-29 04:25:41,618 INFO L158 Benchmark]: Witness Printer took 119.02ms. Allocated memory is still 5.8GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:25:41,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.68ms. Allocated memory is still 209.7MB. Free memory was 178.4MB in the beginning and 170.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.40ms. Allocated memory is still 209.7MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.05ms. Allocated memory is still 209.7MB. Free memory was 166.5MB in the beginning and 162.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1084.79ms. Allocated memory is still 209.7MB. Free memory was 162.3MB in the beginning and 133.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 88794.40ms. Allocated memory was 209.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 131.9MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. * Witness Printer took 119.02ms. Allocated memory is still 5.8GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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 7 procedures, 818 locations, 120 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: 88.6s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 79.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8325 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5070 mSDsluCounter, 4299 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3743 mSDsCounter, 2371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15306 IncrementalHoareTripleChecker+Invalid, 17677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2371 mSolverCounterUnsat, 556 mSDtfsCounter, 15306 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2057occurred in iteration=33, InterpolantAutomatonStates: 196, 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: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 5956 NumberOfCodeBlocks, 5956 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 5919 ConstructedInterpolants, 0 QuantifiedInterpolants, 11004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 PerfectInterpolantSequences, 23/23 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 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:25:41,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21897274-1c4b-4c27-8333-1bff9d79ae07/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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