./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:34:43,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:34:43,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:34:43,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:34:43,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:34:43,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:34:43,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:34:43,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:34:43,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:34:43,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:34:43,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:34:43,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:34:43,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:34:43,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:34:43,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:34:43,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:34:43,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:34:43,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:34:43,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:34:43,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:34:43,799 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:34:43,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:34:43,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:34:43,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:34:43,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:34:43,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:34:43,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:34:43,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:34:43,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:34:43,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:34:43,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:34:43,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:34:43,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:34:43,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:34:43,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:34:43,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:34:43,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:34:43,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:34:43,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:34:43,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:34:43,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:34:43,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:34:43,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:34:43,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:34:43,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:34:43,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:34:43,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:34:43,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:34:43,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:34:43,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:34:43,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:34:43,842 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:34:43,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:34:43,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:34:43,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:34:43,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:34:43,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:34:43,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:34:43,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:34:43,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:34:43,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:34:43,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:34:43,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:34:43,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:34:43,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:34:43,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:34:43,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2022-04-18 16:34:44,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:34:44,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:34:44,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:34:44,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:34:44,040 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:34:44,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2022-04-18 16:34:44,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a5b9099e/fbf0469562ce4b00a8ae4ca67e05cb7a/FLAGe9c662fcc [2022-04-18 16:34:44,447 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:34:44,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2022-04-18 16:34:44,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a5b9099e/fbf0469562ce4b00a8ae4ca67e05cb7a/FLAGe9c662fcc [2022-04-18 16:34:44,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a5b9099e/fbf0469562ce4b00a8ae4ca67e05cb7a [2022-04-18 16:34:44,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:34:44,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:34:44,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:34:44,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:34:44,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:34:44,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742c38e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44, skipping insertion in model container [2022-04-18 16:34:44,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:34:44,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:34:44,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2022-04-18 16:34:44,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:34:44,660 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:34:44,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2022-04-18 16:34:44,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:34:44,699 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:34:44,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44 WrapperNode [2022-04-18 16:34:44,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:34:44,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:34:44,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:34:44,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:34:44,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,744 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 758 [2022-04-18 16:34:44,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:34:44,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:34:44,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:34:44,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:34:44,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:34:44,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:34:44,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:34:44,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:34:44,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (1/1) ... [2022-04-18 16:34:44,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:34:44,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:34:44,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:34:44,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:34:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:34:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:34:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:34:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:34:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:34:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:34:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:34:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:34:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:34:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:34:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:34:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:34:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:34:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:34:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:34:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:34:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:34:44,878 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:34:44,981 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:34:44,982 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:34:45,683 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:34:46,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:34:46,179 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-04-18 16:34:46,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:34:46 BoogieIcfgContainer [2022-04-18 16:34:46,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:34:46,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:34:46,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:34:46,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:34:46,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:34:44" (1/3) ... [2022-04-18 16:34:46,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81dcb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:34:46, skipping insertion in model container [2022-04-18 16:34:46,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:34:44" (2/3) ... [2022-04-18 16:34:46,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81dcb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:34:46, skipping insertion in model container [2022-04-18 16:34:46,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:34:46" (3/3) ... [2022-04-18 16:34:46,189 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2022-04-18 16:34:46,194 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:34:46,195 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:34:46,195 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-04-18 16:34:46,195 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:34:46,337 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:34:46,380 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:34:46,387 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:34:46,388 INFO L341 AbstractCegarLoop]: Starting to check reachability of 231 error locations. [2022-04-18 16:34:46,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 526 transitions, 1076 flow [2022-04-18 16:34:46,554 INFO L129 PetriNetUnfolder]: 27/523 cut-off events. [2022-04-18 16:34:46,555 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:34:46,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 523 events. 27/523 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1022 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 433. Up to 6 conditions per place. [2022-04-18 16:34:46,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 509 places, 526 transitions, 1076 flow [2022-04-18 16:34:46,576 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 487 places, 503 transitions, 1024 flow [2022-04-18 16:34:46,582 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2022-04-18 16:34:46,582 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:34:46,582 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:46,584 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:46,584 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:46,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:46,589 INFO L85 PathProgramCache]: Analyzing trace with hash -28051272, now seen corresponding path program 1 times [2022-04-18 16:34:46,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:46,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692118377] [2022-04-18 16:34:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:46,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:46,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692118377] [2022-04-18 16:34:46,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692118377] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:46,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:46,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:46,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113847037] [2022-04-18 16:34:46,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:46,790 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:46,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:46,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:46,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:46,841 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:46,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 503 transitions, 1024 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:46,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:46,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:46,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:46,982 INFO L129 PetriNetUnfolder]: 30/414 cut-off events. [2022-04-18 16:34:46,982 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-04-18 16:34:46,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 414 events. 30/414 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 18/373 useless extension candidates. Maximal degree in co-relation 373. Up to 36 conditions per place. [2022-04-18 16:34:46,986 INFO L132 encePairwiseOnDemand]: 419/526 looper letters, 19 selfloop transitions, 2 changer transitions 6/398 dead transitions. [2022-04-18 16:34:46,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 398 transitions, 856 flow [2022-04-18 16:34:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1317 transitions. [2022-04-18 16:34:47,013 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8346007604562737 [2022-04-18 16:34:47,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1317 transitions. [2022-04-18 16:34:47,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1317 transitions. [2022-04-18 16:34:47,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:47,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1317 transitions. [2022-04-18 16:34:47,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 439.0) internal successors, (1317), 3 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,029 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,031 INFO L186 Difference]: Start difference. First operand has 487 places, 503 transitions, 1024 flow. Second operand 3 states and 1317 transitions. [2022-04-18 16:34:47,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 398 transitions, 856 flow [2022-04-18 16:34:47,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 398 transitions, 844 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:34:47,041 INFO L242 Difference]: Finished difference. Result has 390 places, 392 transitions, 794 flow [2022-04-18 16:34:47,043 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=390, PETRI_TRANSITIONS=392} [2022-04-18 16:34:47,046 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -97 predicate places. [2022-04-18 16:34:47,047 INFO L478 AbstractCegarLoop]: Abstraction has has 390 places, 392 transitions, 794 flow [2022-04-18 16:34:47,047 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,048 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:47,048 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:47,048 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:34:47,048 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:47,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:47,049 INFO L85 PathProgramCache]: Analyzing trace with hash 201706705, now seen corresponding path program 1 times [2022-04-18 16:34:47,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:47,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305343273] [2022-04-18 16:34:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:47,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:47,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:47,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305343273] [2022-04-18 16:34:47,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305343273] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:47,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:47,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:47,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612235652] [2022-04-18 16:34:47,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:47,101 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:47,104 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:47,105 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 392 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:47,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:47,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:47,204 INFO L129 PetriNetUnfolder]: 30/407 cut-off events. [2022-04-18 16:34:47,204 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:34:47,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 407 events. 30/407 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 375 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 409. Up to 37 conditions per place. [2022-04-18 16:34:47,208 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/391 dead transitions. [2022-04-18 16:34:47,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 391 transitions, 836 flow [2022-04-18 16:34:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-04-18 16:34:47,211 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-04-18 16:34:47,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-04-18 16:34:47,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-04-18 16:34:47,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:47,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-04-18 16:34:47,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,218 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,218 INFO L186 Difference]: Start difference. First operand has 390 places, 392 transitions, 794 flow. Second operand 3 states and 1214 transitions. [2022-04-18 16:34:47,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 391 transitions, 836 flow [2022-04-18 16:34:47,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 391 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:47,224 INFO L242 Difference]: Finished difference. Result has 383 places, 391 transitions, 792 flow [2022-04-18 16:34:47,225 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=792, PETRI_PLACES=383, PETRI_TRANSITIONS=391} [2022-04-18 16:34:47,226 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -104 predicate places. [2022-04-18 16:34:47,226 INFO L478 AbstractCegarLoop]: Abstraction has has 383 places, 391 transitions, 792 flow [2022-04-18 16:34:47,227 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,227 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:47,227 INFO L255 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] [2022-04-18 16:34:47,227 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:34:47,228 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:47,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:47,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1340319877, now seen corresponding path program 1 times [2022-04-18 16:34:47,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:47,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162306695] [2022-04-18 16:34:47,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:47,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:47,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162306695] [2022-04-18 16:34:47,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162306695] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:47,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:47,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:47,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668567013] [2022-04-18 16:34:47,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:47,297 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:47,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:47,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:47,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:47,300 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:47,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 391 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:47,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:47,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:47,397 INFO L129 PetriNetUnfolder]: 30/406 cut-off events. [2022-04-18 16:34:47,398 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:34:47,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 406 events. 30/406 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 374 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 401. Up to 37 conditions per place. [2022-04-18 16:34:47,401 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2022-04-18 16:34:47,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 390 transitions, 834 flow [2022-04-18 16:34:47,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-04-18 16:34:47,405 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-04-18 16:34:47,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-04-18 16:34:47,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-04-18 16:34:47,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:47,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-04-18 16:34:47,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,412 INFO L186 Difference]: Start difference. First operand has 383 places, 391 transitions, 792 flow. Second operand 3 states and 1214 transitions. [2022-04-18 16:34:47,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 390 transitions, 834 flow [2022-04-18 16:34:47,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 390 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:47,419 INFO L242 Difference]: Finished difference. Result has 382 places, 390 transitions, 790 flow [2022-04-18 16:34:47,419 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=382, PETRI_TRANSITIONS=390} [2022-04-18 16:34:47,421 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -105 predicate places. [2022-04-18 16:34:47,421 INFO L478 AbstractCegarLoop]: Abstraction has has 382 places, 390 transitions, 790 flow [2022-04-18 16:34:47,422 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,422 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:47,423 INFO L255 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] [2022-04-18 16:34:47,423 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:34:47,424 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:47,424 INFO L85 PathProgramCache]: Analyzing trace with hash -249834534, now seen corresponding path program 1 times [2022-04-18 16:34:47,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:47,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080735850] [2022-04-18 16:34:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:47,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:47,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:47,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080735850] [2022-04-18 16:34:47,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080735850] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:47,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:47,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:47,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468701131] [2022-04-18 16:34:47,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:47,464 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:47,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:47,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:47,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:47,466 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:47,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 390 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:47,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:47,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:47,569 INFO L129 PetriNetUnfolder]: 56/531 cut-off events. [2022-04-18 16:34:47,569 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2022-04-18 16:34:47,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 531 events. 56/531 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 942 event pairs, 0 based on Foata normal form. 1/453 useless extension candidates. Maximal degree in co-relation 545. Up to 38 conditions per place. [2022-04-18 16:34:47,574 INFO L132 encePairwiseOnDemand]: 522/526 looper letters, 28 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2022-04-18 16:34:47,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 402 transitions, 881 flow [2022-04-18 16:34:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2022-04-18 16:34:47,577 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7807351077313055 [2022-04-18 16:34:47,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2022-04-18 16:34:47,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2022-04-18 16:34:47,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:47,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2022-04-18 16:34:47,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,585 INFO L186 Difference]: Start difference. First operand has 382 places, 390 transitions, 790 flow. Second operand 3 states and 1232 transitions. [2022-04-18 16:34:47,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 402 transitions, 881 flow [2022-04-18 16:34:47,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 402 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:47,594 INFO L242 Difference]: Finished difference. Result has 382 places, 391 transitions, 801 flow [2022-04-18 16:34:47,595 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=801, PETRI_PLACES=382, PETRI_TRANSITIONS=391} [2022-04-18 16:34:47,596 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -105 predicate places. [2022-04-18 16:34:47,596 INFO L478 AbstractCegarLoop]: Abstraction has has 382 places, 391 transitions, 801 flow [2022-04-18 16:34:47,597 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,597 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:47,597 INFO L255 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] [2022-04-18 16:34:47,597 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:34:47,597 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:47,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:47,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1717239114, now seen corresponding path program 1 times [2022-04-18 16:34:47,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:47,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724475040] [2022-04-18 16:34:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:47,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:47,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724475040] [2022-04-18 16:34:47,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724475040] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:47,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:47,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:47,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10453268] [2022-04-18 16:34:47,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:47,645 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:47,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:47,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:47,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:47,647 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:47,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 391 transitions, 801 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:47,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:47,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:47,744 INFO L129 PetriNetUnfolder]: 56/530 cut-off events. [2022-04-18 16:34:47,745 INFO L130 PetriNetUnfolder]: For 19/20 co-relation queries the response was YES. [2022-04-18 16:34:47,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 622 conditions, 530 events. 56/530 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 940 event pairs, 2 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 376. Up to 63 conditions per place. [2022-04-18 16:34:47,748 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 19 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2022-04-18 16:34:47,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 390 transitions, 841 flow [2022-04-18 16:34:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:47,750 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:47,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:47,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:47,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:47,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:47,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,756 INFO L186 Difference]: Start difference. First operand has 382 places, 391 transitions, 801 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:47,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 390 transitions, 841 flow [2022-04-18 16:34:47,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 390 transitions, 838 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:47,765 INFO L242 Difference]: Finished difference. Result has 382 places, 390 transitions, 800 flow [2022-04-18 16:34:47,765 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=382, PETRI_TRANSITIONS=390} [2022-04-18 16:34:47,767 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -105 predicate places. [2022-04-18 16:34:47,767 INFO L478 AbstractCegarLoop]: Abstraction has has 382 places, 390 transitions, 800 flow [2022-04-18 16:34:47,768 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,768 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:47,768 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:47,768 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:34:47,768 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:47,769 INFO L85 PathProgramCache]: Analyzing trace with hash -912562332, now seen corresponding path program 1 times [2022-04-18 16:34:47,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:47,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213109629] [2022-04-18 16:34:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:47,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:47,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:47,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213109629] [2022-04-18 16:34:47,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213109629] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:47,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:47,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:47,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878572306] [2022-04-18 16:34:47,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:47,821 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:47,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:47,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:47,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:47,823 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:47,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 390 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:47,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:47,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:47,914 INFO L129 PetriNetUnfolder]: 56/529 cut-off events. [2022-04-18 16:34:47,914 INFO L130 PetriNetUnfolder]: For 18/19 co-relation queries the response was YES. [2022-04-18 16:34:47,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 529 events. 56/529 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 938 event pairs, 2 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 548. Up to 61 conditions per place. [2022-04-18 16:34:47,919 INFO L132 encePairwiseOnDemand]: 524/526 looper letters, 19 selfloop transitions, 1 changer transitions 0/389 dead transitions. [2022-04-18 16:34:47,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 389 transitions, 838 flow [2022-04-18 16:34:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:47,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:47,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-04-18 16:34:47,922 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7724968314321926 [2022-04-18 16:34:47,922 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-04-18 16:34:47,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-04-18 16:34:47,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:47,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-04-18 16:34:47,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,927 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,927 INFO L186 Difference]: Start difference. First operand has 382 places, 390 transitions, 800 flow. Second operand 3 states and 1219 transitions. [2022-04-18 16:34:47,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 389 transitions, 838 flow [2022-04-18 16:34:47,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 389 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:47,933 INFO L242 Difference]: Finished difference. Result has 381 places, 389 transitions, 796 flow [2022-04-18 16:34:47,934 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=381, PETRI_TRANSITIONS=389} [2022-04-18 16:34:47,936 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -106 predicate places. [2022-04-18 16:34:47,936 INFO L478 AbstractCegarLoop]: Abstraction has has 381 places, 389 transitions, 796 flow [2022-04-18 16:34:47,937 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:47,938 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:47,938 INFO L255 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] [2022-04-18 16:34:47,938 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:34:47,938 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1403488935, now seen corresponding path program 1 times [2022-04-18 16:34:47,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:47,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587742238] [2022-04-18 16:34:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:47,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:47,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:47,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587742238] [2022-04-18 16:34:47,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587742238] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:47,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:47,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:47,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682715372] [2022-04-18 16:34:47,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:47,998 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:47,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:48,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:48,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:48,002 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:48,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 389 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:48,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:48,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:48,084 INFO L129 PetriNetUnfolder]: 56/528 cut-off events. [2022-04-18 16:34:48,084 INFO L130 PetriNetUnfolder]: For 18/19 co-relation queries the response was YES. [2022-04-18 16:34:48,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 528 events. 56/528 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 934 event pairs, 2 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 548. Up to 63 conditions per place. [2022-04-18 16:34:48,088 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 19 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-04-18 16:34:48,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 388 transitions, 836 flow [2022-04-18 16:34:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:48,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:48,091 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:48,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:48,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:48,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:48,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:48,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,097 INFO L186 Difference]: Start difference. First operand has 381 places, 389 transitions, 796 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:48,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 388 transitions, 836 flow [2022-04-18 16:34:48,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 388 transitions, 835 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:48,103 INFO L242 Difference]: Finished difference. Result has 381 places, 388 transitions, 797 flow [2022-04-18 16:34:48,103 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=381, PETRI_TRANSITIONS=388} [2022-04-18 16:34:48,104 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -106 predicate places. [2022-04-18 16:34:48,104 INFO L478 AbstractCegarLoop]: Abstraction has has 381 places, 388 transitions, 797 flow [2022-04-18 16:34:48,105 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,105 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:48,105 INFO L255 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] [2022-04-18 16:34:48,105 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:34:48,105 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:48,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:48,106 INFO L85 PathProgramCache]: Analyzing trace with hash 322034131, now seen corresponding path program 1 times [2022-04-18 16:34:48,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:48,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546526293] [2022-04-18 16:34:48,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:48,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:48,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:48,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546526293] [2022-04-18 16:34:48,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546526293] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:48,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:48,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:48,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059935120] [2022-04-18 16:34:48,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:48,244 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:48,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:48,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:48,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:48,246 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 526 [2022-04-18 16:34:48,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 388 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:48,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 526 [2022-04-18 16:34:48,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:48,459 INFO L129 PetriNetUnfolder]: 225/725 cut-off events. [2022-04-18 16:34:48,459 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-04-18 16:34:48,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 725 events. 225/725 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1347 event pairs, 8 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 1019. Up to 297 conditions per place. [2022-04-18 16:34:48,466 INFO L132 encePairwiseOnDemand]: 508/526 looper letters, 67 selfloop transitions, 15 changer transitions 0/385 dead transitions. [2022-04-18 16:34:48,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 385 transitions, 955 flow [2022-04-18 16:34:48,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:34:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:34:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2105 transitions. [2022-04-18 16:34:48,470 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6669835234474017 [2022-04-18 16:34:48,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2105 transitions. [2022-04-18 16:34:48,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2105 transitions. [2022-04-18 16:34:48,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:48,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2105 transitions. [2022-04-18 16:34:48,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,477 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,477 INFO L186 Difference]: Start difference. First operand has 381 places, 388 transitions, 797 flow. Second operand 6 states and 2105 transitions. [2022-04-18 16:34:48,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 385 transitions, 955 flow [2022-04-18 16:34:48,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 385 transitions, 951 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:48,483 INFO L242 Difference]: Finished difference. Result has 381 places, 385 transitions, 817 flow [2022-04-18 16:34:48,483 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=817, PETRI_PLACES=381, PETRI_TRANSITIONS=385} [2022-04-18 16:34:48,485 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -106 predicate places. [2022-04-18 16:34:48,485 INFO L478 AbstractCegarLoop]: Abstraction has has 381 places, 385 transitions, 817 flow [2022-04-18 16:34:48,495 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:48,495 INFO L255 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] [2022-04-18 16:34:48,496 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:34:48,496 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:48,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1722357620, now seen corresponding path program 1 times [2022-04-18 16:34:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:48,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813879792] [2022-04-18 16:34:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:48,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:48,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813879792] [2022-04-18 16:34:48,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813879792] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:48,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:48,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:48,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493665394] [2022-04-18 16:34:48,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:48,529 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:48,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:48,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:48,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:48,531 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:48,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 385 transitions, 817 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:48,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:48,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:48,618 INFO L129 PetriNetUnfolder]: 56/524 cut-off events. [2022-04-18 16:34:48,619 INFO L130 PetriNetUnfolder]: For 18/19 co-relation queries the response was YES. [2022-04-18 16:34:48,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 524 events. 56/524 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 920 event pairs, 2 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 580. Up to 66 conditions per place. [2022-04-18 16:34:48,622 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 22 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-04-18 16:34:48,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 384 transitions, 863 flow [2022-04-18 16:34:48,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-04-18 16:34:48,625 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-04-18 16:34:48,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-04-18 16:34:48,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-04-18 16:34:48,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:48,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-04-18 16:34:48,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,629 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,629 INFO L186 Difference]: Start difference. First operand has 381 places, 385 transitions, 817 flow. Second operand 3 states and 1214 transitions. [2022-04-18 16:34:48,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 384 transitions, 863 flow [2022-04-18 16:34:48,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 384 transitions, 833 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:34:48,636 INFO L242 Difference]: Finished difference. Result has 377 places, 384 transitions, 789 flow [2022-04-18 16:34:48,636 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=377, PETRI_TRANSITIONS=384} [2022-04-18 16:34:48,637 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -110 predicate places. [2022-04-18 16:34:48,637 INFO L478 AbstractCegarLoop]: Abstraction has has 377 places, 384 transitions, 789 flow [2022-04-18 16:34:48,638 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,638 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:48,638 INFO L255 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] [2022-04-18 16:34:48,638 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:34:48,638 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:48,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:48,639 INFO L85 PathProgramCache]: Analyzing trace with hash 951579929, now seen corresponding path program 1 times [2022-04-18 16:34:48,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:48,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134071800] [2022-04-18 16:34:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:48,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:48,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134071800] [2022-04-18 16:34:48,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134071800] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:48,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:48,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:48,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897985426] [2022-04-18 16:34:48,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:48,671 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:48,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:48,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:48,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:48,674 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:48,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 384 transitions, 789 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:48,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:48,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:48,770 INFO L129 PetriNetUnfolder]: 88/659 cut-off events. [2022-04-18 16:34:48,770 INFO L130 PetriNetUnfolder]: For 29/30 co-relation queries the response was YES. [2022-04-18 16:34:48,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 659 events. 88/659 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1606 event pairs, 2 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 719. Up to 55 conditions per place. [2022-04-18 16:34:48,775 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 31 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2022-04-18 16:34:48,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 396 transitions, 890 flow [2022-04-18 16:34:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2022-04-18 16:34:48,779 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.779467680608365 [2022-04-18 16:34:48,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2022-04-18 16:34:48,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2022-04-18 16:34:48,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:48,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2022-04-18 16:34:48,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,783 INFO L186 Difference]: Start difference. First operand has 377 places, 384 transitions, 789 flow. Second operand 3 states and 1230 transitions. [2022-04-18 16:34:48,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 396 transitions, 890 flow [2022-04-18 16:34:48,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 396 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:48,788 INFO L242 Difference]: Finished difference. Result has 377 places, 384 transitions, 793 flow [2022-04-18 16:34:48,789 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=377, PETRI_TRANSITIONS=384} [2022-04-18 16:34:48,790 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -110 predicate places. [2022-04-18 16:34:48,790 INFO L478 AbstractCegarLoop]: Abstraction has has 377 places, 384 transitions, 793 flow [2022-04-18 16:34:48,790 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,791 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:48,791 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:48,791 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:34:48,791 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:48,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:48,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2016954237, now seen corresponding path program 1 times [2022-04-18 16:34:48,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:48,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217243055] [2022-04-18 16:34:48,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:48,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:48,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217243055] [2022-04-18 16:34:48,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217243055] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:48,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:48,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893518575] [2022-04-18 16:34:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:48,818 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:48,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:48,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:48,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:48,820 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:48,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 384 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:48,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:48,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:48,897 INFO L129 PetriNetUnfolder]: 84/636 cut-off events. [2022-04-18 16:34:48,897 INFO L130 PetriNetUnfolder]: For 41/42 co-relation queries the response was YES. [2022-04-18 16:34:48,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 636 events. 84/636 cut-off events. For 41/42 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1464 event pairs, 7 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 713. Up to 97 conditions per place. [2022-04-18 16:34:48,902 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-04-18 16:34:48,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 383 transitions, 835 flow [2022-04-18 16:34:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:48,904 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:48,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:48,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:48,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:48,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:48,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,908 INFO L186 Difference]: Start difference. First operand has 377 places, 384 transitions, 793 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:48,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 383 transitions, 835 flow [2022-04-18 16:34:48,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 833 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:48,912 INFO L242 Difference]: Finished difference. Result has 377 places, 383 transitions, 793 flow [2022-04-18 16:34:48,913 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=377, PETRI_TRANSITIONS=383} [2022-04-18 16:34:48,913 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -110 predicate places. [2022-04-18 16:34:48,913 INFO L478 AbstractCegarLoop]: Abstraction has has 377 places, 383 transitions, 793 flow [2022-04-18 16:34:48,914 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,914 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:48,914 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:48,914 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:34:48,914 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:48,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:48,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1650701851, now seen corresponding path program 1 times [2022-04-18 16:34:48,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:48,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056860865] [2022-04-18 16:34:48,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:48,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:48,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:48,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056860865] [2022-04-18 16:34:48,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056860865] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:48,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:48,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:48,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073549957] [2022-04-18 16:34:48,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:48,935 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:48,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:48,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:48,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:48,937 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:48,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 383 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:48,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:48,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:48,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,029 INFO L129 PetriNetUnfolder]: 84/635 cut-off events. [2022-04-18 16:34:49,029 INFO L130 PetriNetUnfolder]: For 40/41 co-relation queries the response was YES. [2022-04-18 16:34:49,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 635 events. 84/635 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1462 event pairs, 7 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 711. Up to 100 conditions per place. [2022-04-18 16:34:49,034 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 23 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-04-18 16:34:49,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 841 flow [2022-04-18 16:34:49,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-04-18 16:34:49,036 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-04-18 16:34:49,037 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,041 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,041 INFO L186 Difference]: Start difference. First operand has 377 places, 383 transitions, 793 flow. Second operand 3 states and 1214 transitions. [2022-04-18 16:34:49,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 841 flow [2022-04-18 16:34:49,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:49,046 INFO L242 Difference]: Finished difference. Result has 376 places, 382 transitions, 791 flow [2022-04-18 16:34:49,046 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=376, PETRI_TRANSITIONS=382} [2022-04-18 16:34:49,046 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -111 predicate places. [2022-04-18 16:34:49,046 INFO L478 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 791 flow [2022-04-18 16:34:49,047 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,047 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,047 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:49,047 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:34:49,047 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2067801765, now seen corresponding path program 1 times [2022-04-18 16:34:49,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950456380] [2022-04-18 16:34:49,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950456380] [2022-04-18 16:34:49,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950456380] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684301738] [2022-04-18 16:34:49,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,072 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,074 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:49,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 382 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:49,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,153 INFO L129 PetriNetUnfolder]: 84/634 cut-off events. [2022-04-18 16:34:49,154 INFO L130 PetriNetUnfolder]: For 41/42 co-relation queries the response was YES. [2022-04-18 16:34:49,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 634 events. 84/634 cut-off events. For 41/42 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1462 event pairs, 7 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 707. Up to 95 conditions per place. [2022-04-18 16:34:49,159 INFO L132 encePairwiseOnDemand]: 524/526 looper letters, 20 selfloop transitions, 1 changer transitions 0/381 dead transitions. [2022-04-18 16:34:49,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 381 transitions, 831 flow [2022-04-18 16:34:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-04-18 16:34:49,162 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7724968314321926 [2022-04-18 16:34:49,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-04-18 16:34:49,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-04-18 16:34:49,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-04-18 16:34:49,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,166 INFO L186 Difference]: Start difference. First operand has 376 places, 382 transitions, 791 flow. Second operand 3 states and 1219 transitions. [2022-04-18 16:34:49,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 381 transitions, 831 flow [2022-04-18 16:34:49,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 381 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:49,171 INFO L242 Difference]: Finished difference. Result has 375 places, 381 transitions, 787 flow [2022-04-18 16:34:49,172 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=787, PETRI_PLACES=375, PETRI_TRANSITIONS=381} [2022-04-18 16:34:49,173 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -112 predicate places. [2022-04-18 16:34:49,173 INFO L478 AbstractCegarLoop]: Abstraction has has 375 places, 381 transitions, 787 flow [2022-04-18 16:34:49,173 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,173 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,174 INFO L255 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] [2022-04-18 16:34:49,174 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:34:49,174 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1042232666, now seen corresponding path program 1 times [2022-04-18 16:34:49,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925853699] [2022-04-18 16:34:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925853699] [2022-04-18 16:34:49,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925853699] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742569452] [2022-04-18 16:34:49,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,203 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,205 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:49,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 381 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:49,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,295 INFO L129 PetriNetUnfolder]: 84/633 cut-off events. [2022-04-18 16:34:49,295 INFO L130 PetriNetUnfolder]: For 40/41 co-relation queries the response was YES. [2022-04-18 16:34:49,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 633 events. 84/633 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1458 event pairs, 7 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 705. Up to 97 conditions per place. [2022-04-18 16:34:49,301 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 20 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-04-18 16:34:49,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 380 transitions, 829 flow [2022-04-18 16:34:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:49,304 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:49,304 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:49,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:49,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:49,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,307 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,308 INFO L186 Difference]: Start difference. First operand has 375 places, 381 transitions, 787 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:49,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 380 transitions, 829 flow [2022-04-18 16:34:49,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 380 transitions, 828 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:49,312 INFO L242 Difference]: Finished difference. Result has 375 places, 380 transitions, 788 flow [2022-04-18 16:34:49,313 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=375, PETRI_TRANSITIONS=380} [2022-04-18 16:34:49,313 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -112 predicate places. [2022-04-18 16:34:49,313 INFO L478 AbstractCegarLoop]: Abstraction has has 375 places, 380 transitions, 788 flow [2022-04-18 16:34:49,314 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,314 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,314 INFO L255 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] [2022-04-18 16:34:49,314 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:34:49,314 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,315 INFO L85 PathProgramCache]: Analyzing trace with hash -357183376, now seen corresponding path program 1 times [2022-04-18 16:34:49,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472366221] [2022-04-18 16:34:49,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472366221] [2022-04-18 16:34:49,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472366221] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696290334] [2022-04-18 16:34:49,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,341 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,342 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:49,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 380 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:49,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,430 INFO L129 PetriNetUnfolder]: 84/632 cut-off events. [2022-04-18 16:34:49,430 INFO L130 PetriNetUnfolder]: For 40/41 co-relation queries the response was YES. [2022-04-18 16:34:49,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 632 events. 84/632 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1455 event pairs, 7 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 709. Up to 100 conditions per place. [2022-04-18 16:34:49,435 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 23 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2022-04-18 16:34:49,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 379 transitions, 836 flow [2022-04-18 16:34:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-04-18 16:34:49,437 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-04-18 16:34:49,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,441 INFO L186 Difference]: Start difference. First operand has 375 places, 380 transitions, 788 flow. Second operand 3 states and 1214 transitions. [2022-04-18 16:34:49,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 379 transitions, 836 flow [2022-04-18 16:34:49,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 379 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:49,445 INFO L242 Difference]: Finished difference. Result has 374 places, 379 transitions, 786 flow [2022-04-18 16:34:49,446 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=374, PETRI_TRANSITIONS=379} [2022-04-18 16:34:49,446 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -113 predicate places. [2022-04-18 16:34:49,446 INFO L478 AbstractCegarLoop]: Abstraction has has 374 places, 379 transitions, 786 flow [2022-04-18 16:34:49,447 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,447 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,447 INFO L255 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] [2022-04-18 16:34:49,447 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:34:49,447 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,447 INFO L85 PathProgramCache]: Analyzing trace with hash 101816433, now seen corresponding path program 1 times [2022-04-18 16:34:49,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484414540] [2022-04-18 16:34:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484414540] [2022-04-18 16:34:49,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484414540] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928540566] [2022-04-18 16:34:49,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,472 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,474 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:49,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 379 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:49,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,591 INFO L129 PetriNetUnfolder]: 158/917 cut-off events. [2022-04-18 16:34:49,591 INFO L130 PetriNetUnfolder]: For 77/82 co-relation queries the response was YES. [2022-04-18 16:34:49,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1166 conditions, 917 events. 158/917 cut-off events. For 77/82 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3296 event pairs, 7 based on Foata normal form. 4/781 useless extension candidates. Maximal degree in co-relation 1099. Up to 95 conditions per place. [2022-04-18 16:34:49,600 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 34 selfloop transitions, 2 changer transitions 0/393 dead transitions. [2022-04-18 16:34:49,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 393 transitions, 902 flow [2022-04-18 16:34:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2022-04-18 16:34:49,604 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7801013941698353 [2022-04-18 16:34:49,604 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2022-04-18 16:34:49,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2022-04-18 16:34:49,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2022-04-18 16:34:49,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,608 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,608 INFO L186 Difference]: Start difference. First operand has 374 places, 379 transitions, 786 flow. Second operand 3 states and 1231 transitions. [2022-04-18 16:34:49,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 393 transitions, 902 flow [2022-04-18 16:34:49,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 393 transitions, 898 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:49,613 INFO L242 Difference]: Finished difference. Result has 374 places, 379 transitions, 790 flow [2022-04-18 16:34:49,613 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=374, PETRI_TRANSITIONS=379} [2022-04-18 16:34:49,613 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -113 predicate places. [2022-04-18 16:34:49,613 INFO L478 AbstractCegarLoop]: Abstraction has has 374 places, 379 transitions, 790 flow [2022-04-18 16:34:49,614 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,614 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,614 INFO L255 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] [2022-04-18 16:34:49,614 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:34:49,614 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,615 INFO L85 PathProgramCache]: Analyzing trace with hash -34860140, now seen corresponding path program 1 times [2022-04-18 16:34:49,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918777033] [2022-04-18 16:34:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918777033] [2022-04-18 16:34:49,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918777033] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307678764] [2022-04-18 16:34:49,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,639 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,641 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:49,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 379 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:49,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,757 INFO L129 PetriNetUnfolder]: 157/918 cut-off events. [2022-04-18 16:34:49,758 INFO L130 PetriNetUnfolder]: For 97/101 co-relation queries the response was YES. [2022-04-18 16:34:49,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 918 events. 157/918 cut-off events. For 97/101 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3347 event pairs, 22 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 1129. Up to 179 conditions per place. [2022-04-18 16:34:49,768 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2022-04-18 16:34:49,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 378 transitions, 834 flow [2022-04-18 16:34:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:49,770 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:49,771 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:49,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:49,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:49,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,774 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,775 INFO L186 Difference]: Start difference. First operand has 374 places, 379 transitions, 790 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:49,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 378 transitions, 834 flow [2022-04-18 16:34:49,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 378 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:49,780 INFO L242 Difference]: Finished difference. Result has 374 places, 378 transitions, 790 flow [2022-04-18 16:34:49,780 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=374, PETRI_TRANSITIONS=378} [2022-04-18 16:34:49,781 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -113 predicate places. [2022-04-18 16:34:49,781 INFO L478 AbstractCegarLoop]: Abstraction has has 374 places, 378 transitions, 790 flow [2022-04-18 16:34:49,781 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,781 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,781 INFO L255 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] [2022-04-18 16:34:49,781 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:34:49,781 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1302133528, now seen corresponding path program 1 times [2022-04-18 16:34:49,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63240626] [2022-04-18 16:34:49,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63240626] [2022-04-18 16:34:49,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63240626] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718264524] [2022-04-18 16:34:49,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,810 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,812 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 526 [2022-04-18 16:34:49,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 378 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 526 [2022-04-18 16:34:49,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:49,933 INFO L129 PetriNetUnfolder]: 157/917 cut-off events. [2022-04-18 16:34:49,934 INFO L130 PetriNetUnfolder]: For 96/100 co-relation queries the response was YES. [2022-04-18 16:34:49,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1192 conditions, 917 events. 157/917 cut-off events. For 96/100 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3352 event pairs, 22 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 1123. Up to 182 conditions per place. [2022-04-18 16:34:49,942 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 24 selfloop transitions, 2 changer transitions 0/377 dead transitions. [2022-04-18 16:34:49,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 377 transitions, 840 flow [2022-04-18 16:34:49,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2022-04-18 16:34:49,945 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7693282636248415 [2022-04-18 16:34:49,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:49,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2022-04-18 16:34:49,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,949 INFO L186 Difference]: Start difference. First operand has 374 places, 378 transitions, 790 flow. Second operand 3 states and 1214 transitions. [2022-04-18 16:34:49,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 377 transitions, 840 flow [2022-04-18 16:34:49,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 377 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:49,953 INFO L242 Difference]: Finished difference. Result has 373 places, 377 transitions, 788 flow [2022-04-18 16:34:49,954 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=373, PETRI_TRANSITIONS=377} [2022-04-18 16:34:49,954 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -114 predicate places. [2022-04-18 16:34:49,954 INFO L478 AbstractCegarLoop]: Abstraction has has 373 places, 377 transitions, 788 flow [2022-04-18 16:34:49,955 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,955 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:49,955 INFO L255 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] [2022-04-18 16:34:49,955 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:34:49,955 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:49,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:49,956 INFO L85 PathProgramCache]: Analyzing trace with hash -169175455, now seen corresponding path program 1 times [2022-04-18 16:34:49,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:49,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686760504] [2022-04-18 16:34:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:49,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:49,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:49,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686760504] [2022-04-18 16:34:49,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686760504] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:49,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:49,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:49,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661084512] [2022-04-18 16:34:49,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:49,988 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:49,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:49,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:49,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:49,990 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:49,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 377 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:49,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:49,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:49,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:50,101 INFO L129 PetriNetUnfolder]: 157/916 cut-off events. [2022-04-18 16:34:50,101 INFO L130 PetriNetUnfolder]: For 97/101 co-relation queries the response was YES. [2022-04-18 16:34:50,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 916 events. 157/916 cut-off events. For 97/101 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3346 event pairs, 22 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 1119. Up to 177 conditions per place. [2022-04-18 16:34:50,111 INFO L132 encePairwiseOnDemand]: 524/526 looper letters, 21 selfloop transitions, 1 changer transitions 0/376 dead transitions. [2022-04-18 16:34:50,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 376 transitions, 830 flow [2022-04-18 16:34:50,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-04-18 16:34:50,114 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7724968314321926 [2022-04-18 16:34:50,114 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-04-18 16:34:50,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-04-18 16:34:50,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:50,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-04-18 16:34:50,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,118 INFO L186 Difference]: Start difference. First operand has 373 places, 377 transitions, 788 flow. Second operand 3 states and 1219 transitions. [2022-04-18 16:34:50,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 376 transitions, 830 flow [2022-04-18 16:34:50,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 376 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:50,123 INFO L242 Difference]: Finished difference. Result has 372 places, 376 transitions, 784 flow [2022-04-18 16:34:50,123 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=372, PETRI_TRANSITIONS=376} [2022-04-18 16:34:50,124 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -115 predicate places. [2022-04-18 16:34:50,124 INFO L478 AbstractCegarLoop]: Abstraction has has 372 places, 376 transitions, 784 flow [2022-04-18 16:34:50,124 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,124 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:50,124 INFO L255 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] [2022-04-18 16:34:50,125 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:34:50,125 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:50,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash 525353495, now seen corresponding path program 1 times [2022-04-18 16:34:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:50,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592973261] [2022-04-18 16:34:50,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:50,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:50,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592973261] [2022-04-18 16:34:50,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592973261] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:50,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:50,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:50,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927405967] [2022-04-18 16:34:50,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:50,157 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:50,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:50,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:50,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:50,158 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:50,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 376 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:50,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:50,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:50,288 INFO L129 PetriNetUnfolder]: 157/915 cut-off events. [2022-04-18 16:34:50,288 INFO L130 PetriNetUnfolder]: For 96/100 co-relation queries the response was YES. [2022-04-18 16:34:50,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1186 conditions, 915 events. 157/915 cut-off events. For 96/100 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3347 event pairs, 22 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 1117. Up to 179 conditions per place. [2022-04-18 16:34:50,295 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2022-04-18 16:34:50,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 375 transitions, 828 flow [2022-04-18 16:34:50,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:50,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:50,297 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:50,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:50,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,301 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,302 INFO L186 Difference]: Start difference. First operand has 372 places, 376 transitions, 784 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:50,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 375 transitions, 828 flow [2022-04-18 16:34:50,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 375 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:50,306 INFO L242 Difference]: Finished difference. Result has 372 places, 375 transitions, 785 flow [2022-04-18 16:34:50,307 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=372, PETRI_TRANSITIONS=375} [2022-04-18 16:34:50,307 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -115 predicate places. [2022-04-18 16:34:50,307 INFO L478 AbstractCegarLoop]: Abstraction has has 372 places, 375 transitions, 785 flow [2022-04-18 16:34:50,307 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,308 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:50,308 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:50,308 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:34:50,308 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1131200766, now seen corresponding path program 1 times [2022-04-18 16:34:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:50,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335735141] [2022-04-18 16:34:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:50,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:50,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335735141] [2022-04-18 16:34:50,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335735141] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:50,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:50,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:50,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027539930] [2022-04-18 16:34:50,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:50,357 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:50,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:50,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:50,359 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:50,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 375 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:50,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:50,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:50,490 INFO L129 PetriNetUnfolder]: 157/914 cut-off events. [2022-04-18 16:34:50,491 INFO L130 PetriNetUnfolder]: For 96/100 co-relation queries the response was YES. [2022-04-18 16:34:50,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 914 events. 157/914 cut-off events. For 96/100 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3340 event pairs, 22 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 1118. Up to 179 conditions per place. [2022-04-18 16:34:50,502 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2022-04-18 16:34:50,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 374 transitions, 829 flow [2022-04-18 16:34:50,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:50,505 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:50,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:50,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,510 INFO L186 Difference]: Start difference. First operand has 372 places, 375 transitions, 785 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:50,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 374 transitions, 829 flow [2022-04-18 16:34:50,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 374 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:50,515 INFO L242 Difference]: Finished difference. Result has 371 places, 374 transitions, 783 flow [2022-04-18 16:34:50,515 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=371, PETRI_TRANSITIONS=374} [2022-04-18 16:34:50,516 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -116 predicate places. [2022-04-18 16:34:50,516 INFO L478 AbstractCegarLoop]: Abstraction has has 371 places, 374 transitions, 783 flow [2022-04-18 16:34:50,517 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,517 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:50,517 INFO L255 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] [2022-04-18 16:34:50,517 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:34:50,517 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:50,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:50,518 INFO L85 PathProgramCache]: Analyzing trace with hash 906790737, now seen corresponding path program 1 times [2022-04-18 16:34:50,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:50,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579458671] [2022-04-18 16:34:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:50,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:50,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:50,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579458671] [2022-04-18 16:34:50,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579458671] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:50,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:50,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:50,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158260155] [2022-04-18 16:34:50,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:50,557 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:50,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:50,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:50,559 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:50,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 374 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:50,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:50,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:50,705 INFO L129 PetriNetUnfolder]: 157/913 cut-off events. [2022-04-18 16:34:50,706 INFO L130 PetriNetUnfolder]: For 96/100 co-relation queries the response was YES. [2022-04-18 16:34:50,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1186 conditions, 913 events. 157/913 cut-off events. For 96/100 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3344 event pairs, 22 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 1117. Up to 179 conditions per place. [2022-04-18 16:34:50,711 INFO L132 encePairwiseOnDemand]: 523/526 looper letters, 21 selfloop transitions, 2 changer transitions 0/373 dead transitions. [2022-04-18 16:34:50,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 373 transitions, 827 flow [2022-04-18 16:34:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2022-04-18 16:34:50,714 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7731305449936628 [2022-04-18 16:34:50,714 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:50,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2022-04-18 16:34:50,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,718 INFO L186 Difference]: Start difference. First operand has 371 places, 374 transitions, 783 flow. Second operand 3 states and 1220 transitions. [2022-04-18 16:34:50,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 373 transitions, 827 flow [2022-04-18 16:34:50,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 373 transitions, 823 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:50,726 INFO L242 Difference]: Finished difference. Result has 370 places, 373 transitions, 781 flow [2022-04-18 16:34:50,726 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=370, PETRI_TRANSITIONS=373} [2022-04-18 16:34:50,727 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-04-18 16:34:50,727 INFO L478 AbstractCegarLoop]: Abstraction has has 370 places, 373 transitions, 781 flow [2022-04-18 16:34:50,727 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,727 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:50,727 INFO L255 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] [2022-04-18 16:34:50,728 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:34:50,728 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:50,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash -288264029, now seen corresponding path program 1 times [2022-04-18 16:34:50,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:50,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139332255] [2022-04-18 16:34:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:50,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:50,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:50,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139332255] [2022-04-18 16:34:50,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139332255] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:50,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:50,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:50,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192525142] [2022-04-18 16:34:50,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:50,761 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:50,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:50,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:50,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:50,762 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 526 [2022-04-18 16:34:50,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 373 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:50,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:50,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 526 [2022-04-18 16:34:50,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:51,073 INFO L129 PetriNetUnfolder]: 605/2060 cut-off events. [2022-04-18 16:34:51,073 INFO L130 PetriNetUnfolder]: For 304/312 co-relation queries the response was YES. [2022-04-18 16:34:51,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 2060 events. 605/2060 cut-off events. For 304/312 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11811 event pairs, 88 based on Foata normal form. 1/1718 useless extension candidates. Maximal degree in co-relation 3058. Up to 566 conditions per place. [2022-04-18 16:34:51,089 INFO L132 encePairwiseOnDemand]: 517/526 looper letters, 31 selfloop transitions, 7 changer transitions 0/381 dead transitions. [2022-04-18 16:34:51,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 381 transitions, 886 flow [2022-04-18 16:34:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2022-04-18 16:34:51,092 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7718631178707225 [2022-04-18 16:34:51,092 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2022-04-18 16:34:51,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2022-04-18 16:34:51,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:51,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2022-04-18 16:34:51,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,096 INFO L186 Difference]: Start difference. First operand has 370 places, 373 transitions, 781 flow. Second operand 3 states and 1218 transitions. [2022-04-18 16:34:51,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 381 transitions, 886 flow [2022-04-18 16:34:51,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 381 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:34:51,101 INFO L242 Difference]: Finished difference. Result has 367 places, 370 transitions, 794 flow [2022-04-18 16:34:51,101 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=794, PETRI_PLACES=367, PETRI_TRANSITIONS=370} [2022-04-18 16:34:51,102 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-04-18 16:34:51,102 INFO L478 AbstractCegarLoop]: Abstraction has has 367 places, 370 transitions, 794 flow [2022-04-18 16:34:51,102 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,102 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:51,102 INFO L255 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] [2022-04-18 16:34:51,102 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-04-18 16:34:51,103 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:51,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:51,103 INFO L85 PathProgramCache]: Analyzing trace with hash 60757476, now seen corresponding path program 1 times [2022-04-18 16:34:51,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:51,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976612135] [2022-04-18 16:34:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:51,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976612135] [2022-04-18 16:34:51,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976612135] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:51,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:51,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277597075] [2022-04-18 16:34:51,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:51,136 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:51,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:51,137 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:51,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 370 transitions, 794 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:51,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:51,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:51,459 INFO L129 PetriNetUnfolder]: 720/2183 cut-off events. [2022-04-18 16:34:51,460 INFO L130 PetriNetUnfolder]: For 1440/1488 co-relation queries the response was YES. [2022-04-18 16:34:51,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3703 conditions, 2183 events. 720/2183 cut-off events. For 1440/1488 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12425 event pairs, 34 based on Foata normal form. 10/1885 useless extension candidates. Maximal degree in co-relation 3635. Up to 668 conditions per place. [2022-04-18 16:34:51,481 INFO L132 encePairwiseOnDemand]: 521/526 looper letters, 32 selfloop transitions, 4 changer transitions 0/382 dead transitions. [2022-04-18 16:34:51,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 382 transitions, 924 flow [2022-04-18 16:34:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2022-04-18 16:34:51,484 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7801013941698353 [2022-04-18 16:34:51,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2022-04-18 16:34:51,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2022-04-18 16:34:51,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:51,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2022-04-18 16:34:51,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,491 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,491 INFO L186 Difference]: Start difference. First operand has 367 places, 370 transitions, 794 flow. Second operand 3 states and 1231 transitions. [2022-04-18 16:34:51,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 382 transitions, 924 flow [2022-04-18 16:34:51,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 382 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:51,497 INFO L242 Difference]: Finished difference. Result has 367 places, 369 transitions, 799 flow [2022-04-18 16:34:51,498 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=799, PETRI_PLACES=367, PETRI_TRANSITIONS=369} [2022-04-18 16:34:51,499 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-04-18 16:34:51,499 INFO L478 AbstractCegarLoop]: Abstraction has has 367 places, 369 transitions, 799 flow [2022-04-18 16:34:51,499 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,499 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:51,500 INFO L255 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] [2022-04-18 16:34:51,500 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-04-18 16:34:51,500 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:51,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:51,500 INFO L85 PathProgramCache]: Analyzing trace with hash 272327479, now seen corresponding path program 1 times [2022-04-18 16:34:51,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:51,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571931384] [2022-04-18 16:34:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:51,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:51,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:51,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571931384] [2022-04-18 16:34:51,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571931384] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:51,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:51,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:51,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376725406] [2022-04-18 16:34:51,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:51,546 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:51,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:51,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:51,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:51,548 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:51,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 369 transitions, 799 flow. Second operand has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:51,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:51,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:51,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:51,992 INFO L129 PetriNetUnfolder]: 806/2915 cut-off events. [2022-04-18 16:34:51,992 INFO L130 PetriNetUnfolder]: For 1844/1954 co-relation queries the response was YES. [2022-04-18 16:34:52,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4822 conditions, 2915 events. 806/2915 cut-off events. For 1844/1954 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 21594 event pairs, 42 based on Foata normal form. 24/2427 useless extension candidates. Maximal degree in co-relation 4753. Up to 824 conditions per place. [2022-04-18 16:34:52,020 INFO L132 encePairwiseOnDemand]: 521/526 looper letters, 31 selfloop transitions, 4 changer transitions 0/380 dead transitions. [2022-04-18 16:34:52,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 380 transitions, 927 flow [2022-04-18 16:34:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2022-04-18 16:34:52,024 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.779467680608365 [2022-04-18 16:34:52,024 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2022-04-18 16:34:52,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2022-04-18 16:34:52,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:52,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2022-04-18 16:34:52,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,028 INFO L186 Difference]: Start difference. First operand has 367 places, 369 transitions, 799 flow. Second operand 3 states and 1230 transitions. [2022-04-18 16:34:52,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 380 transitions, 927 flow [2022-04-18 16:34:52,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 380 transitions, 920 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:52,035 INFO L242 Difference]: Finished difference. Result has 367 places, 368 transitions, 807 flow [2022-04-18 16:34:52,035 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=367, PETRI_TRANSITIONS=368} [2022-04-18 16:34:52,035 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-04-18 16:34:52,036 INFO L478 AbstractCegarLoop]: Abstraction has has 367 places, 368 transitions, 807 flow [2022-04-18 16:34:52,036 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,036 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:52,036 INFO L255 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, 1, 1] [2022-04-18 16:34:52,037 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-04-18 16:34:52,037 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:52,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash -565680569, now seen corresponding path program 1 times [2022-04-18 16:34:52,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:52,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789692048] [2022-04-18 16:34:52,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:52,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:52,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:52,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789692048] [2022-04-18 16:34:52,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789692048] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:52,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:52,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:52,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082586828] [2022-04-18 16:34:52,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:52,153 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:52,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:52,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:52,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:52,155 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 526 [2022-04-18 16:34:52,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 368 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:52,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 526 [2022-04-18 16:34:52,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:52,863 INFO L129 PetriNetUnfolder]: 1393/2887 cut-off events. [2022-04-18 16:34:52,863 INFO L130 PetriNetUnfolder]: For 4715/4769 co-relation queries the response was YES. [2022-04-18 16:34:52,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6869 conditions, 2887 events. 1393/2887 cut-off events. For 4715/4769 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 14291 event pairs, 22 based on Foata normal form. 4/2624 useless extension candidates. Maximal degree in co-relation 6797. Up to 1440 conditions per place. [2022-04-18 16:34:52,903 INFO L132 encePairwiseOnDemand]: 521/526 looper letters, 98 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2022-04-18 16:34:52,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 415 transitions, 1277 flow [2022-04-18 16:34:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:34:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:34:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2267 transitions. [2022-04-18 16:34:52,907 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7183143219264893 [2022-04-18 16:34:52,907 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2267 transitions. [2022-04-18 16:34:52,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2267 transitions. [2022-04-18 16:34:52,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:52,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2267 transitions. [2022-04-18 16:34:52,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 377.8333333333333) internal successors, (2267), 6 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,913 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,913 INFO L186 Difference]: Start difference. First operand has 367 places, 368 transitions, 807 flow. Second operand 6 states and 2267 transitions. [2022-04-18 16:34:52,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 415 transitions, 1277 flow [2022-04-18 16:34:52,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 415 transitions, 1261 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:34:52,922 INFO L242 Difference]: Finished difference. Result has 370 places, 367 transitions, 809 flow [2022-04-18 16:34:52,922 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=370, PETRI_TRANSITIONS=367} [2022-04-18 16:34:52,922 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-04-18 16:34:52,923 INFO L478 AbstractCegarLoop]: Abstraction has has 370 places, 367 transitions, 809 flow [2022-04-18 16:34:52,923 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:52,923 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:52,923 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:52,924 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-04-18 16:34:52,924 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:52,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:52,924 INFO L85 PathProgramCache]: Analyzing trace with hash -124545616, now seen corresponding path program 1 times [2022-04-18 16:34:52,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:52,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521221624] [2022-04-18 16:34:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:52,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:52,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:52,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521221624] [2022-04-18 16:34:52,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521221624] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:52,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:52,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:52,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751792028] [2022-04-18 16:34:52,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:52,999 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:53,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:53,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:53,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:53,001 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 526 [2022-04-18 16:34:53,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 367 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:53,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:53,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 526 [2022-04-18 16:34:53,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:53,571 INFO L129 PetriNetUnfolder]: 1332/2672 cut-off events. [2022-04-18 16:34:53,571 INFO L130 PetriNetUnfolder]: For 2650/2650 co-relation queries the response was YES. [2022-04-18 16:34:53,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6524 conditions, 2672 events. 1332/2672 cut-off events. For 2650/2650 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 12531 event pairs, 103 based on Foata normal form. 0/2443 useless extension candidates. Maximal degree in co-relation 6451. Up to 896 conditions per place. [2022-04-18 16:34:53,614 INFO L132 encePairwiseOnDemand]: 521/526 looper letters, 73 selfloop transitions, 4 changer transitions 0/390 dead transitions. [2022-04-18 16:34:53,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 390 transitions, 1089 flow [2022-04-18 16:34:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:34:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:34:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2250 transitions. [2022-04-18 16:34:53,618 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7129277566539924 [2022-04-18 16:34:53,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2250 transitions. [2022-04-18 16:34:53,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2250 transitions. [2022-04-18 16:34:53,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:53,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2250 transitions. [2022-04-18 16:34:53,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 375.0) internal successors, (2250), 6 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:53,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:53,625 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:53,626 INFO L186 Difference]: Start difference. First operand has 370 places, 367 transitions, 809 flow. Second operand 6 states and 2250 transitions. [2022-04-18 16:34:53,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 390 transitions, 1089 flow [2022-04-18 16:34:53,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 390 transitions, 1082 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:34:53,633 INFO L242 Difference]: Finished difference. Result has 370 places, 366 transitions, 808 flow [2022-04-18 16:34:53,634 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=370, PETRI_TRANSITIONS=366} [2022-04-18 16:34:53,634 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-04-18 16:34:53,634 INFO L478 AbstractCegarLoop]: Abstraction has has 370 places, 366 transitions, 808 flow [2022-04-18 16:34:53,635 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 367.0) internal successors, (2202), 6 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:53,635 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:53,635 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:53,635 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-04-18 16:34:53,635 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:53,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:53,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1327629800, now seen corresponding path program 1 times [2022-04-18 16:34:53,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:53,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56197195] [2022-04-18 16:34:53,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:53,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:53,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:53,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56197195] [2022-04-18 16:34:53,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56197195] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:53,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:53,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:34:53,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276702312] [2022-04-18 16:34:53,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:53,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:34:53,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:53,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:34:53,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:34:53,736 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 526 [2022-04-18 16:34:53,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 366 transitions, 808 flow. Second operand has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:53,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:53,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 526 [2022-04-18 16:34:53,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:54,228 INFO L129 PetriNetUnfolder]: 1283/2598 cut-off events. [2022-04-18 16:34:54,229 INFO L130 PetriNetUnfolder]: For 2562/2581 co-relation queries the response was YES. [2022-04-18 16:34:54,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6354 conditions, 2598 events. 1283/2598 cut-off events. For 2562/2581 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12113 event pairs, 202 based on Foata normal form. 0/2386 useless extension candidates. Maximal degree in co-relation 6281. Up to 1181 conditions per place. [2022-04-18 16:34:54,267 INFO L132 encePairwiseOnDemand]: 521/526 looper letters, 60 selfloop transitions, 4 changer transitions 0/377 dead transitions. [2022-04-18 16:34:54,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 377 transitions, 998 flow [2022-04-18 16:34:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:34:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:34:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2241 transitions. [2022-04-18 16:34:54,271 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7100760456273765 [2022-04-18 16:34:54,271 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2241 transitions. [2022-04-18 16:34:54,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2241 transitions. [2022-04-18 16:34:54,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:54,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2241 transitions. [2022-04-18 16:34:54,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 373.5) internal successors, (2241), 6 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,277 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 526.0) internal successors, (3682), 7 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,277 INFO L186 Difference]: Start difference. First operand has 370 places, 366 transitions, 808 flow. Second operand 6 states and 2241 transitions. [2022-04-18 16:34:54,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 377 transitions, 998 flow [2022-04-18 16:34:54,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 377 transitions, 991 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:34:54,283 INFO L242 Difference]: Finished difference. Result has 370 places, 365 transitions, 807 flow [2022-04-18 16:34:54,284 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=807, PETRI_PLACES=370, PETRI_TRANSITIONS=365} [2022-04-18 16:34:54,284 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -117 predicate places. [2022-04-18 16:34:54,284 INFO L478 AbstractCegarLoop]: Abstraction has has 370 places, 365 transitions, 807 flow [2022-04-18 16:34:54,285 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,285 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:34:54,285 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:34:54,285 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-04-18 16:34:54,286 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 227 more)] === [2022-04-18 16:34:54,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:34:54,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1455279947, now seen corresponding path program 1 times [2022-04-18 16:34:54,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:34:54,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204423328] [2022-04-18 16:34:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:34:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:34:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:34:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:34:54,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:34:54,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204423328] [2022-04-18 16:34:54,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204423328] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:34:54,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:34:54,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:34:54,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044334111] [2022-04-18 16:34:54,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:34:54,333 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:34:54,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:34:54,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:34:54,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:34:54,334 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 526 [2022-04-18 16:34:54,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 365 transitions, 807 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:34:54,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 526 [2022-04-18 16:34:54,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:34:54,540 INFO L129 PetriNetUnfolder]: 240/1510 cut-off events. [2022-04-18 16:34:54,540 INFO L130 PetriNetUnfolder]: For 560/574 co-relation queries the response was YES. [2022-04-18 16:34:54,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2456 conditions, 1510 events. 240/1510 cut-off events. For 560/574 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 8609 event pairs, 42 based on Foata normal form. 64/1412 useless extension candidates. Maximal degree in co-relation 2383. Up to 346 conditions per place. [2022-04-18 16:34:54,551 INFO L132 encePairwiseOnDemand]: 524/526 looper letters, 0 selfloop transitions, 0 changer transitions 364/364 dead transitions. [2022-04-18 16:34:54,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 364 transitions, 847 flow [2022-04-18 16:34:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:34:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:34:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2022-04-18 16:34:54,553 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7718631178707225 [2022-04-18 16:34:54,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2022-04-18 16:34:54,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2022-04-18 16:34:54,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:34:54,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2022-04-18 16:34:54,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 526.0) internal successors, (2104), 4 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,558 INFO L186 Difference]: Start difference. First operand has 370 places, 365 transitions, 807 flow. Second operand 3 states and 1218 transitions. [2022-04-18 16:34:54,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 364 transitions, 847 flow [2022-04-18 16:34:54,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 364 transitions, 840 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:34:54,562 INFO L242 Difference]: Finished difference. Result has 367 places, 0 transitions, 0 flow [2022-04-18 16:34:54,562 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=526, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=367, PETRI_TRANSITIONS=0} [2022-04-18 16:34:54,564 INFO L335 CegarLoopForPetriNet]: 487 programPoint places, -120 predicate places. [2022-04-18 16:34:54,564 INFO L478 AbstractCegarLoop]: Abstraction has has 367 places, 0 transitions, 0 flow [2022-04-18 16:34:54,564 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:34:54,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (230 of 231 remaining) [2022-04-18 16:34:54,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (229 of 231 remaining) [2022-04-18 16:34:54,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (228 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (227 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (226 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (225 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (224 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (223 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (222 of 231 remaining) [2022-04-18 16:34:54,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (221 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (220 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (219 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (218 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (217 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (216 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (215 of 231 remaining) [2022-04-18 16:34:54,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (214 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (213 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (212 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (211 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (210 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (209 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (208 of 231 remaining) [2022-04-18 16:34:54,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (207 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (206 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (205 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (204 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (203 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (202 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (201 of 231 remaining) [2022-04-18 16:34:54,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (200 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (199 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (198 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (197 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (196 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (195 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (194 of 231 remaining) [2022-04-18 16:34:54,571 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (193 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (192 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (191 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (190 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (189 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (188 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (187 of 231 remaining) [2022-04-18 16:34:54,572 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (186 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (185 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (184 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (183 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (182 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (181 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (180 of 231 remaining) [2022-04-18 16:34:54,573 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (179 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (178 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (177 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (176 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (175 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (174 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (173 of 231 remaining) [2022-04-18 16:34:54,574 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (172 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (171 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (170 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (169 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (168 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (167 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (166 of 231 remaining) [2022-04-18 16:34:54,575 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (165 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (164 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (163 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (162 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (161 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (160 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (159 of 231 remaining) [2022-04-18 16:34:54,576 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (158 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (157 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (156 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (155 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (154 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (153 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (152 of 231 remaining) [2022-04-18 16:34:54,577 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (151 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (150 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (149 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (148 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (147 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (146 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (145 of 231 remaining) [2022-04-18 16:34:54,578 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (144 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (143 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (142 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (141 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (140 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (139 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (138 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (137 of 231 remaining) [2022-04-18 16:34:54,579 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (136 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (135 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (134 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (133 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (132 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (131 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (130 of 231 remaining) [2022-04-18 16:34:54,580 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (129 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (128 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (127 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (126 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (125 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (124 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (123 of 231 remaining) [2022-04-18 16:34:54,581 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (122 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (121 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (120 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (119 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (118 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (117 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (116 of 231 remaining) [2022-04-18 16:34:54,582 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (115 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (114 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (113 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (112 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (111 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (110 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (109 of 231 remaining) [2022-04-18 16:34:54,583 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (108 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (107 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (106 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (105 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (104 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (103 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 231 remaining) [2022-04-18 16:34:54,584 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 231 remaining) [2022-04-18 16:34:54,585 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (99 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (98 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (97 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (96 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (94 of 231 remaining) [2022-04-18 16:34:54,586 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (93 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (92 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (91 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (90 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (89 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (88 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (87 of 231 remaining) [2022-04-18 16:34:54,587 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (86 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (85 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (84 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (83 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (82 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (81 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (80 of 231 remaining) [2022-04-18 16:34:54,588 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (79 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (78 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (77 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (76 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (75 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (74 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (73 of 231 remaining) [2022-04-18 16:34:54,589 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (72 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (71 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (70 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (69 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (68 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (67 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (66 of 231 remaining) [2022-04-18 16:34:54,590 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (65 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (64 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (63 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (62 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (61 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (60 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (59 of 231 remaining) [2022-04-18 16:34:54,591 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (58 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (57 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (56 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (55 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (54 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (53 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (52 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (51 of 231 remaining) [2022-04-18 16:34:54,592 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (50 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 231 remaining) [2022-04-18 16:34:54,593 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (37 of 231 remaining) [2022-04-18 16:34:54,594 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (36 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (35 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (33 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (32 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (31 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (30 of 231 remaining) [2022-04-18 16:34:54,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (28 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (27 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (26 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (25 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 231 remaining) [2022-04-18 16:34:54,596 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 231 remaining) [2022-04-18 16:34:54,597 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (12 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (11 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (10 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 231 remaining) [2022-04-18 16:34:54,598 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (8 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (7 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (6 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (5 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (3 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (2 of 231 remaining) [2022-04-18 16:34:54,599 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (1 of 231 remaining) [2022-04-18 16:34:54,600 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (0 of 231 remaining) [2022-04-18 16:34:54,600 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-04-18 16:34:54,602 INFO L719 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] [2022-04-18 16:34:54,608 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:34:54,608 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:34:54,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:34:54 BasicIcfg [2022-04-18 16:34:54,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:34:54,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:34:54,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:34:54,613 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:34:54,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:34:46" (3/4) ... [2022-04-18 16:34:54,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:34:54,618 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:34:54,618 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:34:54,618 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:34:54,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-04-18 16:34:54,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:34:54,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:34:54,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:34:54,678 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:34:54,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:34:54,679 INFO L158 Benchmark]: Toolchain (without parser) took 10214.74ms. Allocated memory was 121.6MB in the beginning and 845.2MB in the end (delta: 723.5MB). Free memory was 87.9MB in the beginning and 664.5MB in the end (delta: -576.6MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,679 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:34:54,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.76ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 92.0MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.18ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 86.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,679 INFO L158 Benchmark]: Boogie Preprocessor took 55.49ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 83.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,680 INFO L158 Benchmark]: RCFGBuilder took 1381.77ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 83.2MB in the beginning and 79.2MB in the end (delta: 4.0MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,680 INFO L158 Benchmark]: TraceAbstraction took 8427.89ms. Allocated memory was 155.2MB in the beginning and 845.2MB in the end (delta: 690.0MB). Free memory was 79.2MB in the beginning and 669.8MB in the end (delta: -590.6MB). Peak memory consumption was 332.0MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,682 INFO L158 Benchmark]: Witness Printer took 65.31ms. Allocated memory is still 845.2MB. Free memory was 669.8MB in the beginning and 664.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 16:34:54,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.76ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 92.0MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.18ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 86.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.49ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 83.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1381.77ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 83.2MB in the beginning and 79.2MB in the end (delta: 4.0MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8427.89ms. Allocated memory was 155.2MB in the beginning and 845.2MB in the end (delta: 690.0MB). Free memory was 79.2MB in the beginning and 669.8MB in the end (delta: -590.6MB). Peak memory consumption was 332.0MB. Max. memory is 16.1GB. * Witness Printer took 65.31ms. Allocated memory is still 845.2MB. Free memory was 669.8MB in the beginning and 664.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: 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: 113]: 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: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: 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, 653 locations, 231 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: 8.2s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 241 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 164 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1265 IncrementalHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 164 mSolverCounterUnsat, 241 mSDtfsCounter, 1265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1024occurred in iteration=0, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 4275 NumberOfCodeBlocks, 4275 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4246 ConstructedInterpolants, 0 QuantifiedInterpolants, 4654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 128 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:34:54,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE