./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y --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 e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:05:31,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:05:31,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:05:31,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:05:31,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:05:31,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:05:31,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:05:31,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:05:31,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:05:31,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:05:31,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:05:31,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:05:31,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:05:31,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:05:31,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:05:31,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:05:31,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:05:31,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:05:31,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:05:31,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:05:31,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:05:31,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:05:31,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:05:31,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:05:31,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:05:31,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:05:31,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:05:31,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:05:31,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:05:31,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:05:31,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:05:31,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:05:31,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:05:31,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:05:31,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:05:31,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:05:31,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:05:31,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:05:31,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:05:31,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:05:31,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:05:31,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-13 18:05:31,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:05:31,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:05:31,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:05:31,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:05:31,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:05:31,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:05:31,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:05:31,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:05:31,768 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:05:31,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:05:31,768 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:05:31,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:05:31,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:05:31,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:05:31,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:05:31,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:05:31,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:05:31,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:05:31,771 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:05:31,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:05:31,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:05:31,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:05:31,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:05:31,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:05:31,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:05:31,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:05:31,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:05:31,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:05:31,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:05:31,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:05:31,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:05:31,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:05:31,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:05:31,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:05:31,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:05:31,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:05:31,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2021-11-13 18:05:32,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:05:32,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:05:32,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:05:32,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:05:32,035 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:05:32,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2021-11-13 18:05:32,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/data/90183ae59/9a38db68c3f246178144e95f70b6635a/FLAG99f6f761d [2021-11-13 18:05:32,682 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:05:32,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2021-11-13 18:05:32,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/data/90183ae59/9a38db68c3f246178144e95f70b6635a/FLAG99f6f761d [2021-11-13 18:05:32,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/data/90183ae59/9a38db68c3f246178144e95f70b6635a [2021-11-13 18:05:32,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:05:32,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:05:32,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:05:32,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:05:32,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:05:32,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:05:32" (1/1) ... [2021-11-13 18:05:32,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b25d717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:32, skipping insertion in model container [2021-11-13 18:05:32,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:05:32" (1/1) ... [2021-11-13 18:05:32,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:05:33,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:05:33,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:05:33,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:05:33,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:05:33,800 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:05:33,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33 WrapperNode [2021-11-13 18:05:33,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:05:33,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:05:33,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:05:33,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:05:33,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:05:33,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:05:33,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:05:33,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:05:33,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:05:33,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:05:33,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:05:33,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:05:33,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (1/1) ... [2021-11-13 18:05:33,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:05:34,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:05:34,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:05:34,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036c849b-9eaf-4bb2-9062-67afe16b7c3d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:05:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:05:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:05:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:05:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:05:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:05:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:05:34,081 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:05:34,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:05:34,897 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:05:34,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:05:34 BoogieIcfgContainer [2021-11-13 18:05:34,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:05:34,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:05:34,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:05:34,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:05:34,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:05:32" (1/3) ... [2021-11-13 18:05:34,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0b8052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:05:34, skipping insertion in model container [2021-11-13 18:05:34,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:05:33" (2/3) ... [2021-11-13 18:05:34,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0b8052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:05:34, skipping insertion in model container [2021-11-13 18:05:34,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:05:34" (3/3) ... [2021-11-13 18:05:34,911 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2021-11-13 18:05:34,916 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:05:34,917 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:05:34,917 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-11-13 18:05:34,917 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:05:34,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,978 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:34,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,003 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,004 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,005 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,006 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~sp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~ip~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:05:35,030 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 18:05:35,081 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:05:35,088 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:05:35,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-11-13 18:05:35,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 252 transitions, 509 flow [2021-11-13 18:05:35,223 INFO L129 PetriNetUnfolder]: 0/251 cut-off events. [2021-11-13 18:05:35,224 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:05:35,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 251 events. 0/251 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-13 18:05:35,226 INFO L82 GeneralOperation]: Start removeDead. Operand has 256 places, 252 transitions, 509 flow [2021-11-13 18:05:35,234 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 255 places, 251 transitions, 505 flow [2021-11-13 18:05:35,245 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-11-13 18:05:35,245 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:05:35,246 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:35,246 INFO L254 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] [2021-11-13 18:05:35,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:35,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:35,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1962819601, now seen corresponding path program 1 times [2021-11-13 18:05:35,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:35,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592190131] [2021-11-13 18:05:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:35,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:35,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:35,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592190131] [2021-11-13 18:05:35,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592190131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:35,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:35,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:35,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88948145] [2021-11-13 18:05:35,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:35,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:35,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:35,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:35,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:35,667 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 252 [2021-11-13 18:05:35,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 251 transitions, 505 flow. Second operand has 6 states, 6 states have (on average 150.5) internal successors, (903), 6 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:35,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:35,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 252 [2021-11-13 18:05:35,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:36,334 INFO L129 PetriNetUnfolder]: 360/1337 cut-off events. [2021-11-13 18:05:36,334 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 18:05:36,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2162 conditions, 1337 events. 360/1337 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6809 event pairs, 360 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 1956. Up to 806 conditions per place. [2021-11-13 18:05:36,355 INFO L132 encePairwiseOnDemand]: 234/252 looper letters, 85 selfloop transitions, 15 changer transitions 0/248 dead transitions. [2021-11-13 18:05:36,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 248 transitions, 699 flow [2021-11-13 18:05:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2021-11-13 18:05:36,382 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6593915343915344 [2021-11-13 18:05:36,382 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2021-11-13 18:05:36,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2021-11-13 18:05:36,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:36,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2021-11-13 18:05:36,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:36,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:36,422 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:36,424 INFO L186 Difference]: Start difference. First operand has 255 places, 251 transitions, 505 flow. Second operand 6 states and 997 transitions. [2021-11-13 18:05:36,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 248 transitions, 699 flow [2021-11-13 18:05:36,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 248 transitions, 698 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:05:36,438 INFO L242 Difference]: Finished difference. Result has 256 places, 248 transitions, 528 flow [2021-11-13 18:05:36,440 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=256, PETRI_TRANSITIONS=248} [2021-11-13 18:05:36,443 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 1 predicate places. [2021-11-13 18:05:36,444 INFO L470 AbstractCegarLoop]: Abstraction has has 256 places, 248 transitions, 528 flow [2021-11-13 18:05:36,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.5) internal successors, (903), 6 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:36,445 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:36,445 INFO L254 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] [2021-11-13 18:05:36,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:05:36,446 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1202866082, now seen corresponding path program 1 times [2021-11-13 18:05:36,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:36,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957742634] [2021-11-13 18:05:36,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:36,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:36,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:36,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957742634] [2021-11-13 18:05:36,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957742634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:36,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:36,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:36,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244103484] [2021-11-13 18:05:36,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:36,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:36,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:36,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:36,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:36,676 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 252 [2021-11-13 18:05:36,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 248 transitions, 528 flow. Second operand has 6 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:36,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:36,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 252 [2021-11-13 18:05:36,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:37,156 INFO L129 PetriNetUnfolder]: 360/1334 cut-off events. [2021-11-13 18:05:37,156 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-13 18:05:37,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2171 conditions, 1334 events. 360/1334 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6823 event pairs, 360 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 1980. Up to 803 conditions per place. [2021-11-13 18:05:37,166 INFO L132 encePairwiseOnDemand]: 234/252 looper letters, 82 selfloop transitions, 15 changer transitions 0/245 dead transitions. [2021-11-13 18:05:37,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 245 transitions, 716 flow [2021-11-13 18:05:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 994 transitions. [2021-11-13 18:05:37,171 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6574074074074074 [2021-11-13 18:05:37,171 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 994 transitions. [2021-11-13 18:05:37,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 994 transitions. [2021-11-13 18:05:37,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:37,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 994 transitions. [2021-11-13 18:05:37,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.66666666666666) internal successors, (994), 6 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,182 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,182 INFO L186 Difference]: Start difference. First operand has 256 places, 248 transitions, 528 flow. Second operand 6 states and 994 transitions. [2021-11-13 18:05:37,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 245 transitions, 716 flow [2021-11-13 18:05:37,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 245 transitions, 686 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-13 18:05:37,191 INFO L242 Difference]: Finished difference. Result has 253 places, 245 transitions, 522 flow [2021-11-13 18:05:37,192 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=253, PETRI_TRANSITIONS=245} [2021-11-13 18:05:37,193 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -2 predicate places. [2021-11-13 18:05:37,193 INFO L470 AbstractCegarLoop]: Abstraction has has 253 places, 245 transitions, 522 flow [2021-11-13 18:05:37,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,194 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:37,194 INFO L254 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] [2021-11-13 18:05:37,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:05:37,195 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:37,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:37,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1913999446, now seen corresponding path program 1 times [2021-11-13 18:05:37,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:37,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876528133] [2021-11-13 18:05:37,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:37,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:37,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:37,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876528133] [2021-11-13 18:05:37,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876528133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:37,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:37,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:05:37,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223319149] [2021-11-13 18:05:37,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:37,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:05:37,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:37,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:05:37,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:05:37,305 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 252 [2021-11-13 18:05:37,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 245 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:37,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 252 [2021-11-13 18:05:37,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:37,393 INFO L129 PetriNetUnfolder]: 18/395 cut-off events. [2021-11-13 18:05:37,393 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:05:37,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 395 events. 18/395 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 821 event pairs, 18 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 309. Up to 56 conditions per place. [2021-11-13 18:05:37,396 INFO L132 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2021-11-13 18:05:37,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 244 transitions, 562 flow [2021-11-13 18:05:37,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:05:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:05:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2021-11-13 18:05:37,432 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9417989417989417 [2021-11-13 18:05:37,432 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 712 transitions. [2021-11-13 18:05:37,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 712 transitions. [2021-11-13 18:05:37,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:37,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 712 transitions. [2021-11-13 18:05:37,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,440 INFO L186 Difference]: Start difference. First operand has 253 places, 245 transitions, 522 flow. Second operand 3 states and 712 transitions. [2021-11-13 18:05:37,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 244 transitions, 562 flow [2021-11-13 18:05:37,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 244 transitions, 532 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-13 18:05:37,449 INFO L242 Difference]: Finished difference. Result has 249 places, 244 transitions, 494 flow [2021-11-13 18:05:37,450 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=249, PETRI_TRANSITIONS=244} [2021-11-13 18:05:37,452 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -6 predicate places. [2021-11-13 18:05:37,453 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 244 transitions, 494 flow [2021-11-13 18:05:37,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,454 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:37,454 INFO L254 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] [2021-11-13 18:05:37,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:05:37,455 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:37,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:37,456 INFO L85 PathProgramCache]: Analyzing trace with hash 889207289, now seen corresponding path program 1 times [2021-11-13 18:05:37,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:37,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771054595] [2021-11-13 18:05:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:37,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:37,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:37,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771054595] [2021-11-13 18:05:37,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771054595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:37,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:37,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:05:37,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718386255] [2021-11-13 18:05:37,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:37,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:05:37,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:37,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:05:37,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:05:37,580 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 252 [2021-11-13 18:05:37,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 244 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:37,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 252 [2021-11-13 18:05:37,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:37,661 INFO L129 PetriNetUnfolder]: 8/340 cut-off events. [2021-11-13 18:05:37,661 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 18:05:37,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 340 events. 8/340 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 504 event pairs, 8 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 304. Up to 27 conditions per place. [2021-11-13 18:05:37,664 INFO L132 encePairwiseOnDemand]: 246/252 looper letters, 12 selfloop transitions, 1 changer transitions 0/239 dead transitions. [2021-11-13 18:05:37,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 239 transitions, 510 flow [2021-11-13 18:05:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:05:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:05:37,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 717 transitions. [2021-11-13 18:05:37,668 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9484126984126984 [2021-11-13 18:05:37,668 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 717 transitions. [2021-11-13 18:05:37,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 717 transitions. [2021-11-13 18:05:37,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:37,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 717 transitions. [2021-11-13 18:05:37,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,675 INFO L186 Difference]: Start difference. First operand has 249 places, 244 transitions, 494 flow. Second operand 3 states and 717 transitions. [2021-11-13 18:05:37,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 239 transitions, 510 flow [2021-11-13 18:05:37,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 239 transitions, 506 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 18:05:37,683 INFO L242 Difference]: Finished difference. Result has 244 places, 239 transitions, 482 flow [2021-11-13 18:05:37,683 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=244, PETRI_TRANSITIONS=239} [2021-11-13 18:05:37,685 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -11 predicate places. [2021-11-13 18:05:37,685 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 239 transitions, 482 flow [2021-11-13 18:05:37,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.33333333333334) internal successors, (703), 3 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,686 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:37,687 INFO L254 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] [2021-11-13 18:05:37,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:05:37,688 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:37,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:37,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1794062620, now seen corresponding path program 1 times [2021-11-13 18:05:37,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:37,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73291274] [2021-11-13 18:05:37,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:37,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:37,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:37,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73291274] [2021-11-13 18:05:37,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73291274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:37,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:37,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:37,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001630145] [2021-11-13 18:05:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:37,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:37,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:37,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:37,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:37,893 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 252 [2021-11-13 18:05:37,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 239 transitions, 482 flow. Second operand has 6 states, 6 states have (on average 162.16666666666666) internal successors, (973), 6 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:37,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:37,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 252 [2021-11-13 18:05:37,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:38,259 INFO L129 PetriNetUnfolder]: 416/1414 cut-off events. [2021-11-13 18:05:38,259 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:05:38,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2340 conditions, 1414 events. 416/1414 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7146 event pairs, 416 based on Foata normal form. 0/1263 useless extension candidates. Maximal degree in co-relation 2257. Up to 916 conditions per place. [2021-11-13 18:05:38,270 INFO L132 encePairwiseOnDemand]: 246/252 looper letters, 83 selfloop transitions, 5 changer transitions 0/238 dead transitions. [2021-11-13 18:05:38,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 238 transitions, 656 flow [2021-11-13 18:05:38,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1031 transitions. [2021-11-13 18:05:38,275 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6818783068783069 [2021-11-13 18:05:38,275 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1031 transitions. [2021-11-13 18:05:38,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1031 transitions. [2021-11-13 18:05:38,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:38,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1031 transitions. [2021-11-13 18:05:38,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,321 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,321 INFO L186 Difference]: Start difference. First operand has 244 places, 239 transitions, 482 flow. Second operand 6 states and 1031 transitions. [2021-11-13 18:05:38,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 238 transitions, 656 flow [2021-11-13 18:05:38,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 238 transitions, 655 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:05:38,328 INFO L242 Difference]: Finished difference. Result has 247 places, 238 transitions, 489 flow [2021-11-13 18:05:38,329 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=489, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2021-11-13 18:05:38,330 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -8 predicate places. [2021-11-13 18:05:38,330 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 489 flow [2021-11-13 18:05:38,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 162.16666666666666) internal successors, (973), 6 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:38,331 INFO L254 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] [2021-11-13 18:05:38,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:05:38,332 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:38,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:38,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1608110038, now seen corresponding path program 1 times [2021-11-13 18:05:38,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:38,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389000275] [2021-11-13 18:05:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:38,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:38,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:38,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389000275] [2021-11-13 18:05:38,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389000275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:38,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:38,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:05:38,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379077791] [2021-11-13 18:05:38,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:38,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:05:38,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:38,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:05:38,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:05:38,404 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 252 [2021-11-13 18:05:38,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 489 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:38,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 252 [2021-11-13 18:05:38,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:38,444 INFO L129 PetriNetUnfolder]: 0/237 cut-off events. [2021-11-13 18:05:38,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:05:38,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 237 events. 0/237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-11-13 18:05:38,446 INFO L132 encePairwiseOnDemand]: 249/252 looper letters, 7 selfloop transitions, 2 changer transitions 0/237 dead transitions. [2021-11-13 18:05:38,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 237 transitions, 505 flow [2021-11-13 18:05:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:05:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:05:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2021-11-13 18:05:38,449 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9735449735449735 [2021-11-13 18:05:38,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2021-11-13 18:05:38,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2021-11-13 18:05:38,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:38,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2021-11-13 18:05:38,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,455 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,455 INFO L186 Difference]: Start difference. First operand has 247 places, 238 transitions, 489 flow. Second operand 3 states and 736 transitions. [2021-11-13 18:05:38,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 237 transitions, 505 flow [2021-11-13 18:05:38,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 237 transitions, 495 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-13 18:05:38,462 INFO L242 Difference]: Finished difference. Result has 243 places, 237 transitions, 481 flow [2021-11-13 18:05:38,463 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=243, PETRI_TRANSITIONS=237} [2021-11-13 18:05:38,464 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -12 predicate places. [2021-11-13 18:05:38,464 INFO L470 AbstractCegarLoop]: Abstraction has has 243 places, 237 transitions, 481 flow [2021-11-13 18:05:38,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,465 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:38,465 INFO L254 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] [2021-11-13 18:05:38,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:05:38,465 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:38,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:38,466 INFO L85 PathProgramCache]: Analyzing trace with hash -993256361, now seen corresponding path program 1 times [2021-11-13 18:05:38,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:38,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305768711] [2021-11-13 18:05:38,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:38,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:38,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:38,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305768711] [2021-11-13 18:05:38,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305768711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:38,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:38,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:05:38,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827076825] [2021-11-13 18:05:38,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:38,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:05:38,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:38,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:05:38,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:05:38,519 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 252 [2021-11-13 18:05:38,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 237 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:38,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 252 [2021-11-13 18:05:38,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:38,557 INFO L129 PetriNetUnfolder]: 0/236 cut-off events. [2021-11-13 18:05:38,558 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 18:05:38,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 236 events. 0/236 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-11-13 18:05:38,559 INFO L132 encePairwiseOnDemand]: 250/252 looper letters, 4 selfloop transitions, 1 changer transitions 0/236 dead transitions. [2021-11-13 18:05:38,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 236 transitions, 489 flow [2021-11-13 18:05:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:05:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:05:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 741 transitions. [2021-11-13 18:05:38,562 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9801587301587301 [2021-11-13 18:05:38,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 741 transitions. [2021-11-13 18:05:38,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 741 transitions. [2021-11-13 18:05:38,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:38,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 741 transitions. [2021-11-13 18:05:38,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,569 INFO L186 Difference]: Start difference. First operand has 243 places, 237 transitions, 481 flow. Second operand 3 states and 741 transitions. [2021-11-13 18:05:38,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 236 transitions, 489 flow [2021-11-13 18:05:38,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 236 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 18:05:38,605 INFO L242 Difference]: Finished difference. Result has 242 places, 236 transitions, 477 flow [2021-11-13 18:05:38,606 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=242, PETRI_TRANSITIONS=236} [2021-11-13 18:05:38,606 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -13 predicate places. [2021-11-13 18:05:38,607 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 236 transitions, 477 flow [2021-11-13 18:05:38,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,607 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:38,607 INFO L254 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] [2021-11-13 18:05:38,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:05:38,608 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1755086880, now seen corresponding path program 1 times [2021-11-13 18:05:38,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:38,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177589161] [2021-11-13 18:05:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:38,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:38,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:38,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177589161] [2021-11-13 18:05:38,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177589161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:38,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:38,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:38,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868080428] [2021-11-13 18:05:38,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:38,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:38,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:38,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:38,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:38,745 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 252 [2021-11-13 18:05:38,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 236 transitions, 477 flow. Second operand has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:38,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:38,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 252 [2021-11-13 18:05:38,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:39,609 INFO L129 PetriNetUnfolder]: 748/2419 cut-off events. [2021-11-13 18:05:39,609 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:05:39,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4058 conditions, 2419 events. 748/2419 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 15168 event pairs, 75 based on Foata normal form. 0/2171 useless extension candidates. Maximal degree in co-relation 3976. Up to 791 conditions per place. [2021-11-13 18:05:39,664 INFO L132 encePairwiseOnDemand]: 224/252 looper letters, 171 selfloop transitions, 70 changer transitions 0/392 dead transitions. [2021-11-13 18:05:39,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 392 transitions, 1271 flow [2021-11-13 18:05:39,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1203 transitions. [2021-11-13 18:05:39,669 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7956349206349206 [2021-11-13 18:05:39,669 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1203 transitions. [2021-11-13 18:05:39,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1203 transitions. [2021-11-13 18:05:39,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:39,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1203 transitions. [2021-11-13 18:05:39,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:39,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:39,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:39,679 INFO L186 Difference]: Start difference. First operand has 242 places, 236 transitions, 477 flow. Second operand 6 states and 1203 transitions. [2021-11-13 18:05:39,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 392 transitions, 1271 flow [2021-11-13 18:05:39,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 392 transitions, 1270 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:05:39,689 INFO L242 Difference]: Finished difference. Result has 250 places, 306 transitions, 954 flow [2021-11-13 18:05:39,690 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=954, PETRI_PLACES=250, PETRI_TRANSITIONS=306} [2021-11-13 18:05:39,691 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, -5 predicate places. [2021-11-13 18:05:39,691 INFO L470 AbstractCegarLoop]: Abstraction has has 250 places, 306 transitions, 954 flow [2021-11-13 18:05:39,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:39,692 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:39,692 INFO L254 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] [2021-11-13 18:05:39,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:05:39,692 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:39,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:39,693 INFO L85 PathProgramCache]: Analyzing trace with hash 185213618, now seen corresponding path program 1 times [2021-11-13 18:05:39,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:39,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113034733] [2021-11-13 18:05:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:39,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:39,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:39,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113034733] [2021-11-13 18:05:39,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113034733] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:39,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:39,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:39,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160559991] [2021-11-13 18:05:39,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:39,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:39,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:39,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:39,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:39,840 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 252 [2021-11-13 18:05:39,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 306 transitions, 954 flow. Second operand has 6 states, 6 states have (on average 168.5) internal successors, (1011), 6 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:39,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:39,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 252 [2021-11-13 18:05:39,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:40,580 INFO L129 PetriNetUnfolder]: 836/2745 cut-off events. [2021-11-13 18:05:40,580 INFO L130 PetriNetUnfolder]: For 879/879 co-relation queries the response was YES. [2021-11-13 18:05:40,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5989 conditions, 2745 events. 836/2745 cut-off events. For 879/879 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17610 event pairs, 379 based on Foata normal form. 0/2560 useless extension candidates. Maximal degree in co-relation 5905. Up to 1700 conditions per place. [2021-11-13 18:05:40,604 INFO L132 encePairwiseOnDemand]: 237/252 looper letters, 166 selfloop transitions, 48 changer transitions 0/366 dead transitions. [2021-11-13 18:05:40,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 366 transitions, 1598 flow [2021-11-13 18:05:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1103 transitions. [2021-11-13 18:05:40,609 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7294973544973545 [2021-11-13 18:05:40,609 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1103 transitions. [2021-11-13 18:05:40,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1103 transitions. [2021-11-13 18:05:40,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:40,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1103 transitions. [2021-11-13 18:05:40,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:40,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:40,618 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:40,618 INFO L186 Difference]: Start difference. First operand has 250 places, 306 transitions, 954 flow. Second operand 6 states and 1103 transitions. [2021-11-13 18:05:40,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 366 transitions, 1598 flow [2021-11-13 18:05:40,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 366 transitions, 1598 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-13 18:05:40,639 INFO L242 Difference]: Finished difference. Result has 260 places, 349 transitions, 1342 flow [2021-11-13 18:05:40,639 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=954, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1342, PETRI_PLACES=260, PETRI_TRANSITIONS=349} [2021-11-13 18:05:40,641 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 5 predicate places. [2021-11-13 18:05:40,641 INFO L470 AbstractCegarLoop]: Abstraction has has 260 places, 349 transitions, 1342 flow [2021-11-13 18:05:40,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.5) internal successors, (1011), 6 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:40,643 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:40,643 INFO L254 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] [2021-11-13 18:05:40,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:05:40,644 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:40,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:40,645 INFO L85 PathProgramCache]: Analyzing trace with hash -435026950, now seen corresponding path program 1 times [2021-11-13 18:05:40,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:40,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138160302] [2021-11-13 18:05:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:40,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:40,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:40,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138160302] [2021-11-13 18:05:40,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138160302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:40,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:40,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:40,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376673838] [2021-11-13 18:05:40,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:40,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:40,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:40,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:40,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:40,818 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 252 [2021-11-13 18:05:40,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 349 transitions, 1342 flow. Second operand has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:40,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:40,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 252 [2021-11-13 18:05:40,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:41,893 INFO L129 PetriNetUnfolder]: 985/3399 cut-off events. [2021-11-13 18:05:41,894 INFO L130 PetriNetUnfolder]: For 2024/2155 co-relation queries the response was YES. [2021-11-13 18:05:41,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8262 conditions, 3399 events. 985/3399 cut-off events. For 2024/2155 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 24053 event pairs, 179 based on Foata normal form. 0/3266 useless extension candidates. Maximal degree in co-relation 8170. Up to 1579 conditions per place. [2021-11-13 18:05:41,929 INFO L132 encePairwiseOnDemand]: 230/252 looper letters, 272 selfloop transitions, 135 changer transitions 4/564 dead transitions. [2021-11-13 18:05:41,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 564 transitions, 3256 flow [2021-11-13 18:05:41,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1170 transitions. [2021-11-13 18:05:41,935 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7738095238095238 [2021-11-13 18:05:41,935 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1170 transitions. [2021-11-13 18:05:41,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1170 transitions. [2021-11-13 18:05:41,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:41,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1170 transitions. [2021-11-13 18:05:41,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:41,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:41,946 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:41,946 INFO L186 Difference]: Start difference. First operand has 260 places, 349 transitions, 1342 flow. Second operand 6 states and 1170 transitions. [2021-11-13 18:05:41,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 564 transitions, 3256 flow [2021-11-13 18:05:41,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 564 transitions, 3238 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-13 18:05:41,979 INFO L242 Difference]: Finished difference. Result has 270 places, 479 transitions, 2682 flow [2021-11-13 18:05:41,981 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2682, PETRI_PLACES=270, PETRI_TRANSITIONS=479} [2021-11-13 18:05:41,982 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 15 predicate places. [2021-11-13 18:05:41,982 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 479 transitions, 2682 flow [2021-11-13 18:05:41,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.66666666666666) internal successors, (1018), 6 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:41,983 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:41,984 INFO L254 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] [2021-11-13 18:05:41,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 18:05:41,986 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:41,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1517019063, now seen corresponding path program 1 times [2021-11-13 18:05:41,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:41,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647473001] [2021-11-13 18:05:41,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:41,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:42,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:42,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647473001] [2021-11-13 18:05:42,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647473001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:42,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:42,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:05:42,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543218156] [2021-11-13 18:05:42,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:42,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:05:42,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:42,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:05:42,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:05:42,139 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 252 [2021-11-13 18:05:42,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 479 transitions, 2682 flow. Second operand has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:42,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:42,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 252 [2021-11-13 18:05:42,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:43,319 INFO L129 PetriNetUnfolder]: 1055/3535 cut-off events. [2021-11-13 18:05:43,320 INFO L130 PetriNetUnfolder]: For 3981/4055 co-relation queries the response was YES. [2021-11-13 18:05:43,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10400 conditions, 3535 events. 1055/3535 cut-off events. For 3981/4055 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 25016 event pairs, 258 based on Foata normal form. 0/3442 useless extension candidates. Maximal degree in co-relation 10306. Up to 2152 conditions per place. [2021-11-13 18:05:43,369 INFO L132 encePairwiseOnDemand]: 237/252 looper letters, 331 selfloop transitions, 62 changer transitions 0/546 dead transitions. [2021-11-13 18:05:43,370 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 546 transitions, 3882 flow [2021-11-13 18:05:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:05:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-13 18:05:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1103 transitions. [2021-11-13 18:05:43,374 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7294973544973545 [2021-11-13 18:05:43,374 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1103 transitions. [2021-11-13 18:05:43,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1103 transitions. [2021-11-13 18:05:43,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:43,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1103 transitions. [2021-11-13 18:05:43,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:43,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:43,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:43,383 INFO L186 Difference]: Start difference. First operand has 270 places, 479 transitions, 2682 flow. Second operand 6 states and 1103 transitions. [2021-11-13 18:05:43,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 546 transitions, 3882 flow [2021-11-13 18:05:43,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 546 transitions, 3846 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-11-13 18:05:43,431 INFO L242 Difference]: Finished difference. Result has 280 places, 528 transitions, 3272 flow [2021-11-13 18:05:43,432 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=2646, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3272, PETRI_PLACES=280, PETRI_TRANSITIONS=528} [2021-11-13 18:05:43,432 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 25 predicate places. [2021-11-13 18:05:43,433 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 528 transitions, 3272 flow [2021-11-13 18:05:43,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:43,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:43,434 INFO L254 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] [2021-11-13 18:05:43,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 18:05:43,434 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:43,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:43,435 INFO L85 PathProgramCache]: Analyzing trace with hash -689314475, now seen corresponding path program 1 times [2021-11-13 18:05:43,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:43,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353891459] [2021-11-13 18:05:43,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:43,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:43,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:43,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353891459] [2021-11-13 18:05:43,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353891459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:43,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:43,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:05:43,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31544413] [2021-11-13 18:05:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:43,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:05:43,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:43,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:05:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:05:43,987 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:05:43,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 528 transitions, 3272 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:43,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:43,990 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:05:43,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:46,550 INFO L129 PetriNetUnfolder]: 1473/4891 cut-off events. [2021-11-13 18:05:46,551 INFO L130 PetriNetUnfolder]: For 7631/7751 co-relation queries the response was YES. [2021-11-13 18:05:46,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15717 conditions, 4891 events. 1473/4891 cut-off events. For 7631/7751 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 37789 event pairs, 203 based on Foata normal form. 27/4861 useless extension candidates. Maximal degree in co-relation 15613. Up to 1348 conditions per place. [2021-11-13 18:05:46,599 INFO L132 encePairwiseOnDemand]: 219/252 looper letters, 491 selfloop transitions, 211 changer transitions 2/845 dead transitions. [2021-11-13 18:05:46,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 845 transitions, 7088 flow [2021-11-13 18:05:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:05:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-13 18:05:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2954 transitions. [2021-11-13 18:05:46,613 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6512345679012346 [2021-11-13 18:05:46,613 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2954 transitions. [2021-11-13 18:05:46,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2954 transitions. [2021-11-13 18:05:46,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:46,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2954 transitions. [2021-11-13 18:05:46,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 164.11111111111111) internal successors, (2954), 18 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:46,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:46,656 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:46,656 INFO L186 Difference]: Start difference. First operand has 280 places, 528 transitions, 3272 flow. Second operand 18 states and 2954 transitions. [2021-11-13 18:05:46,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 845 transitions, 7088 flow [2021-11-13 18:05:46,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 845 transitions, 6962 flow, removed 63 selfloop flow, removed 0 redundant places. [2021-11-13 18:05:46,761 INFO L242 Difference]: Finished difference. Result has 311 places, 629 transitions, 4862 flow [2021-11-13 18:05:46,762 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=3160, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4862, PETRI_PLACES=311, PETRI_TRANSITIONS=629} [2021-11-13 18:05:46,764 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 56 predicate places. [2021-11-13 18:05:46,765 INFO L470 AbstractCegarLoop]: Abstraction has has 311 places, 629 transitions, 4862 flow [2021-11-13 18:05:46,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:46,766 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:46,766 INFO L254 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] [2021-11-13 18:05:46,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-13 18:05:46,767 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:46,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:46,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1614918883, now seen corresponding path program 2 times [2021-11-13 18:05:46,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:46,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359185251] [2021-11-13 18:05:46,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:46,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:47,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:47,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359185251] [2021-11-13 18:05:47,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359185251] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:47,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:47,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:05:47,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001830288] [2021-11-13 18:05:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:47,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:05:47,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:47,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:05:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:05:47,255 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:05:47,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 629 transitions, 4862 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:47,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:47,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:05:47,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:50,119 INFO L129 PetriNetUnfolder]: 1889/6168 cut-off events. [2021-11-13 18:05:50,120 INFO L130 PetriNetUnfolder]: For 13697/13944 co-relation queries the response was YES. [2021-11-13 18:05:50,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21321 conditions, 6168 events. 1889/6168 cut-off events. For 13697/13944 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 50868 event pairs, 307 based on Foata normal form. 53/6131 useless extension candidates. Maximal degree in co-relation 21199. Up to 1318 conditions per place. [2021-11-13 18:05:50,181 INFO L132 encePairwiseOnDemand]: 221/252 looper letters, 605 selfloop transitions, 208 changer transitions 4/958 dead transitions. [2021-11-13 18:05:50,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 958 transitions, 9038 flow [2021-11-13 18:05:50,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:05:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-13 18:05:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2991 transitions. [2021-11-13 18:05:50,192 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6593915343915344 [2021-11-13 18:05:50,192 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2991 transitions. [2021-11-13 18:05:50,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2991 transitions. [2021-11-13 18:05:50,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:50,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2991 transitions. [2021-11-13 18:05:50,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 166.16666666666666) internal successors, (2991), 18 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:50,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:50,215 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:50,215 INFO L186 Difference]: Start difference. First operand has 311 places, 629 transitions, 4862 flow. Second operand 18 states and 2991 transitions. [2021-11-13 18:05:50,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 958 transitions, 9038 flow [2021-11-13 18:05:50,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 958 transitions, 9015 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-11-13 18:05:50,362 INFO L242 Difference]: Finished difference. Result has 331 places, 685 transitions, 6176 flow [2021-11-13 18:05:50,363 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=4839, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6176, PETRI_PLACES=331, PETRI_TRANSITIONS=685} [2021-11-13 18:05:50,363 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 76 predicate places. [2021-11-13 18:05:50,364 INFO L470 AbstractCegarLoop]: Abstraction has has 331 places, 685 transitions, 6176 flow [2021-11-13 18:05:50,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:50,364 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:50,365 INFO L254 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] [2021-11-13 18:05:50,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-13 18:05:50,365 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:50,366 INFO L85 PathProgramCache]: Analyzing trace with hash -230460525, now seen corresponding path program 3 times [2021-11-13 18:05:50,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:50,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419204520] [2021-11-13 18:05:50,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:50,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:50,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:50,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419204520] [2021-11-13 18:05:50,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419204520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:50,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:50,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:05:50,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137165419] [2021-11-13 18:05:50,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:50,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:05:50,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:50,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:05:50,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:05:50,751 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:05:50,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 685 transitions, 6176 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:50,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:50,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:05:50,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:53,329 INFO L129 PetriNetUnfolder]: 2206/7253 cut-off events. [2021-11-13 18:05:53,330 INFO L130 PetriNetUnfolder]: For 23240/23467 co-relation queries the response was YES. [2021-11-13 18:05:53,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27164 conditions, 7253 events. 2206/7253 cut-off events. For 23240/23467 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 63365 event pairs, 454 based on Foata normal form. 22/7192 useless extension candidates. Maximal degree in co-relation 27035. Up to 3192 conditions per place. [2021-11-13 18:05:53,436 INFO L132 encePairwiseOnDemand]: 221/252 looper letters, 553 selfloop transitions, 198 changer transitions 1/893 dead transitions. [2021-11-13 18:05:53,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 893 transitions, 9749 flow [2021-11-13 18:05:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 18:05:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-13 18:05:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2278 transitions. [2021-11-13 18:05:53,446 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6456916099773242 [2021-11-13 18:05:53,446 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2278 transitions. [2021-11-13 18:05:53,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2278 transitions. [2021-11-13 18:05:53,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:53,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2278 transitions. [2021-11-13 18:05:53,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 162.71428571428572) internal successors, (2278), 14 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:53,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 252.0) internal successors, (3780), 15 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:53,467 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 252.0) internal successors, (3780), 15 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:53,467 INFO L186 Difference]: Start difference. First operand has 331 places, 685 transitions, 6176 flow. Second operand 14 states and 2278 transitions. [2021-11-13 18:05:53,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 893 transitions, 9749 flow [2021-11-13 18:05:53,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 893 transitions, 9640 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-11-13 18:05:53,709 INFO L242 Difference]: Finished difference. Result has 350 places, 755 transitions, 7965 flow [2021-11-13 18:05:53,710 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=6114, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7965, PETRI_PLACES=350, PETRI_TRANSITIONS=755} [2021-11-13 18:05:53,711 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 95 predicate places. [2021-11-13 18:05:53,711 INFO L470 AbstractCegarLoop]: Abstraction has has 350 places, 755 transitions, 7965 flow [2021-11-13 18:05:53,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:53,712 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:53,713 INFO L254 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] [2021-11-13 18:05:53,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-13 18:05:53,713 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:53,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1447181319, now seen corresponding path program 4 times [2021-11-13 18:05:53,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:53,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568600461] [2021-11-13 18:05:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:53,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:54,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:54,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568600461] [2021-11-13 18:05:54,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568600461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:54,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:54,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:05:54,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484848977] [2021-11-13 18:05:54,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:54,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:05:54,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:54,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:05:54,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:05:54,129 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:05:54,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 755 transitions, 7965 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:54,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:54,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:05:54,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:05:57,635 INFO L129 PetriNetUnfolder]: 2663/8846 cut-off events. [2021-11-13 18:05:57,635 INFO L130 PetriNetUnfolder]: For 34055/34372 co-relation queries the response was YES. [2021-11-13 18:05:57,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34185 conditions, 8846 events. 2663/8846 cut-off events. For 34055/34372 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 82874 event pairs, 355 based on Foata normal form. 50/8822 useless extension candidates. Maximal degree in co-relation 34043. Up to 2664 conditions per place. [2021-11-13 18:05:57,742 INFO L132 encePairwiseOnDemand]: 218/252 looper letters, 610 selfloop transitions, 337 changer transitions 3/1091 dead transitions. [2021-11-13 18:05:57,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 1091 transitions, 13345 flow [2021-11-13 18:05:57,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:05:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-13 18:05:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2981 transitions. [2021-11-13 18:05:57,749 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6571869488536155 [2021-11-13 18:05:57,749 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2981 transitions. [2021-11-13 18:05:57,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2981 transitions. [2021-11-13 18:05:57,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:05:57,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2981 transitions. [2021-11-13 18:05:57,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 165.61111111111111) internal successors, (2981), 18 states have internal predecessors, (2981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:57,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:57,768 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:57,769 INFO L186 Difference]: Start difference. First operand has 350 places, 755 transitions, 7965 flow. Second operand 18 states and 2981 transitions. [2021-11-13 18:05:57,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 1091 transitions, 13345 flow [2021-11-13 18:05:58,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 1091 transitions, 13266 flow, removed 38 selfloop flow, removed 2 redundant places. [2021-11-13 18:05:58,140 INFO L242 Difference]: Finished difference. Result has 372 places, 836 transitions, 10759 flow [2021-11-13 18:05:58,141 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=7916, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=10759, PETRI_PLACES=372, PETRI_TRANSITIONS=836} [2021-11-13 18:05:58,142 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 117 predicate places. [2021-11-13 18:05:58,142 INFO L470 AbstractCegarLoop]: Abstraction has has 372 places, 836 transitions, 10759 flow [2021-11-13 18:05:58,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:58,143 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:05:58,143 INFO L254 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] [2021-11-13 18:05:58,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-13 18:05:58,143 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:05:58,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:58,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1201258364, now seen corresponding path program 1 times [2021-11-13 18:05:58,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:58,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631981739] [2021-11-13 18:05:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:58,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:05:58,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:58,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631981739] [2021-11-13 18:05:58,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631981739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:58,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:58,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:05:58,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493956901] [2021-11-13 18:05:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:58,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:05:58,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:58,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:05:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:05:58,773 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 252 [2021-11-13 18:05:58,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 836 transitions, 10759 flow. Second operand has 13 states, 13 states have (on average 150.46153846153845) internal successors, (1956), 13 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:05:58,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:05:58,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 252 [2021-11-13 18:05:58,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:02,171 INFO L129 PetriNetUnfolder]: 2797/8879 cut-off events. [2021-11-13 18:06:02,171 INFO L130 PetriNetUnfolder]: For 48158/48479 co-relation queries the response was YES. [2021-11-13 18:06:02,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37127 conditions, 8879 events. 2797/8879 cut-off events. For 48158/48479 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 81673 event pairs, 546 based on Foata normal form. 70/8857 useless extension candidates. Maximal degree in co-relation 36976. Up to 4703 conditions per place. [2021-11-13 18:06:02,260 INFO L132 encePairwiseOnDemand]: 233/252 looper letters, 681 selfloop transitions, 166 changer transitions 0/985 dead transitions. [2021-11-13 18:06:02,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 985 transitions, 14391 flow [2021-11-13 18:06:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 18:06:02,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 18:06:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2109 transitions. [2021-11-13 18:06:02,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6437728937728938 [2021-11-13 18:06:02,265 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2109 transitions. [2021-11-13 18:06:02,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2109 transitions. [2021-11-13 18:06:02,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:02,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2109 transitions. [2021-11-13 18:06:02,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 162.23076923076923) internal successors, (2109), 13 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:02,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 252.0) internal successors, (3528), 14 states have internal predecessors, (3528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:02,277 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 252.0) internal successors, (3528), 14 states have internal predecessors, (3528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:02,278 INFO L186 Difference]: Start difference. First operand has 372 places, 836 transitions, 10759 flow. Second operand 13 states and 2109 transitions. [2021-11-13 18:06:02,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 985 transitions, 14391 flow [2021-11-13 18:06:02,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 985 transitions, 14222 flow, removed 51 selfloop flow, removed 10 redundant places. [2021-11-13 18:06:02,780 INFO L242 Difference]: Finished difference. Result has 379 places, 845 transitions, 11310 flow [2021-11-13 18:06:02,781 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=10618, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11310, PETRI_PLACES=379, PETRI_TRANSITIONS=845} [2021-11-13 18:06:02,781 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 124 predicate places. [2021-11-13 18:06:02,782 INFO L470 AbstractCegarLoop]: Abstraction has has 379 places, 845 transitions, 11310 flow [2021-11-13 18:06:02,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 150.46153846153845) internal successors, (1956), 13 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:02,783 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:02,783 INFO L254 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] [2021-11-13 18:06:02,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 18:06:02,783 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:02,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1761914441, now seen corresponding path program 5 times [2021-11-13 18:06:02,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:02,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100286044] [2021-11-13 18:06:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:02,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:03,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:03,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100286044] [2021-11-13 18:06:03,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100286044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:03,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:03,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:03,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835852390] [2021-11-13 18:06:03,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:03,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:03,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:03,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:03,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:03,112 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:03,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 845 transitions, 11310 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:03,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:03,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:03,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:07,298 INFO L129 PetriNetUnfolder]: 3184/10611 cut-off events. [2021-11-13 18:06:07,298 INFO L130 PetriNetUnfolder]: For 65861/66404 co-relation queries the response was YES. [2021-11-13 18:06:07,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46606 conditions, 10611 events. 3184/10611 cut-off events. For 65861/66404 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 105608 event pairs, 472 based on Foata normal form. 118/10654 useless extension candidates. Maximal degree in co-relation 46450. Up to 3456 conditions per place. [2021-11-13 18:06:07,429 INFO L132 encePairwiseOnDemand]: 217/252 looper letters, 654 selfloop transitions, 390 changer transitions 4/1190 dead transitions. [2021-11-13 18:06:07,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 1190 transitions, 17609 flow [2021-11-13 18:06:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 18:06:07,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-13 18:06:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3154 transitions. [2021-11-13 18:06:07,436 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6587301587301587 [2021-11-13 18:06:07,436 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3154 transitions. [2021-11-13 18:06:07,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3154 transitions. [2021-11-13 18:06:07,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:07,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3154 transitions. [2021-11-13 18:06:07,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 166.0) internal successors, (3154), 19 states have internal predecessors, (3154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:07,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 252.0) internal successors, (5040), 20 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:07,455 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 252.0) internal successors, (5040), 20 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:07,456 INFO L186 Difference]: Start difference. First operand has 379 places, 845 transitions, 11310 flow. Second operand 19 states and 3154 transitions. [2021-11-13 18:06:07,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 1190 transitions, 17609 flow [2021-11-13 18:06:07,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 1190 transitions, 17517 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-13 18:06:08,024 INFO L242 Difference]: Finished difference. Result has 401 places, 935 transitions, 14858 flow [2021-11-13 18:06:08,025 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=11244, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=14858, PETRI_PLACES=401, PETRI_TRANSITIONS=935} [2021-11-13 18:06:08,026 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 146 predicate places. [2021-11-13 18:06:08,026 INFO L470 AbstractCegarLoop]: Abstraction has has 401 places, 935 transitions, 14858 flow [2021-11-13 18:06:08,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:08,027 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:08,027 INFO L254 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] [2021-11-13 18:06:08,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-13 18:06:08,027 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:08,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:08,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1777133277, now seen corresponding path program 6 times [2021-11-13 18:06:08,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:08,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470314809] [2021-11-13 18:06:08,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:08,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:08,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:08,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470314809] [2021-11-13 18:06:08,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470314809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:08,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:08,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:08,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837245861] [2021-11-13 18:06:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:08,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:08,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:08,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:08,576 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:08,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 935 transitions, 14858 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:08,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:08,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:08,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:13,167 INFO L129 PetriNetUnfolder]: 3380/11257 cut-off events. [2021-11-13 18:06:13,167 INFO L130 PetriNetUnfolder]: For 88111/88674 co-relation queries the response was YES. [2021-11-13 18:06:13,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52074 conditions, 11257 events. 3380/11257 cut-off events. For 88111/88674 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 113708 event pairs, 459 based on Foata normal form. 110/11294 useless extension candidates. Maximal degree in co-relation 51907. Up to 2985 conditions per place. [2021-11-13 18:06:13,310 INFO L132 encePairwiseOnDemand]: 219/252 looper letters, 683 selfloop transitions, 406 changer transitions 2/1233 dead transitions. [2021-11-13 18:06:13,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 1233 transitions, 20853 flow [2021-11-13 18:06:13,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:06:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-13 18:06:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2944 transitions. [2021-11-13 18:06:13,316 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6490299823633157 [2021-11-13 18:06:13,317 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2944 transitions. [2021-11-13 18:06:13,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2944 transitions. [2021-11-13 18:06:13,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:13,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2944 transitions. [2021-11-13 18:06:13,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 163.55555555555554) internal successors, (2944), 18 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:13,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:13,335 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:13,335 INFO L186 Difference]: Start difference. First operand has 401 places, 935 transitions, 14858 flow. Second operand 18 states and 2944 transitions. [2021-11-13 18:06:13,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 1233 transitions, 20853 flow [2021-11-13 18:06:14,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 1233 transitions, 20766 flow, removed 32 selfloop flow, removed 6 redundant places. [2021-11-13 18:06:14,067 INFO L242 Difference]: Finished difference. Result has 419 places, 996 transitions, 17835 flow [2021-11-13 18:06:14,068 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=14811, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=935, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=346, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=17835, PETRI_PLACES=419, PETRI_TRANSITIONS=996} [2021-11-13 18:06:14,069 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 164 predicate places. [2021-11-13 18:06:14,069 INFO L470 AbstractCegarLoop]: Abstraction has has 419 places, 996 transitions, 17835 flow [2021-11-13 18:06:14,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:14,070 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:14,070 INFO L254 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] [2021-11-13 18:06:14,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-13 18:06:14,071 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:14,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:14,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1329108039, now seen corresponding path program 7 times [2021-11-13 18:06:14,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:14,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480293546] [2021-11-13 18:06:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:14,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:14,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:14,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480293546] [2021-11-13 18:06:14,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480293546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:14,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:14,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:14,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953347051] [2021-11-13 18:06:14,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:14,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:14,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:14,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:14,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:14,429 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:14,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 996 transitions, 17835 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:14,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:14,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:14,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:20,244 INFO L129 PetriNetUnfolder]: 3681/12318 cut-off events. [2021-11-13 18:06:20,244 INFO L130 PetriNetUnfolder]: For 117024/117711 co-relation queries the response was YES. [2021-11-13 18:06:20,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59140 conditions, 12318 events. 3681/12318 cut-off events. For 117024/117711 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 128293 event pairs, 561 based on Foata normal form. 153/12395 useless extension candidates. Maximal degree in co-relation 58966. Up to 3808 conditions per place. [2021-11-13 18:06:20,389 INFO L132 encePairwiseOnDemand]: 217/252 looper letters, 724 selfloop transitions, 454 changer transitions 4/1324 dead transitions. [2021-11-13 18:06:20,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 1324 transitions, 24345 flow [2021-11-13 18:06:20,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:06:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-13 18:06:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3462 transitions. [2021-11-13 18:06:20,395 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6541950113378685 [2021-11-13 18:06:20,395 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3462 transitions. [2021-11-13 18:06:20,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3462 transitions. [2021-11-13 18:06:20,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:20,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3462 transitions. [2021-11-13 18:06:20,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 164.85714285714286) internal successors, (3462), 21 states have internal predecessors, (3462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:20,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 252.0) internal successors, (5544), 22 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:20,411 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 252.0) internal successors, (5544), 22 states have internal predecessors, (5544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:20,411 INFO L186 Difference]: Start difference. First operand has 419 places, 996 transitions, 17835 flow. Second operand 21 states and 3462 transitions. [2021-11-13 18:06:20,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 1324 transitions, 24345 flow [2021-11-13 18:06:21,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 1324 transitions, 24150 flow, removed 55 selfloop flow, removed 10 redundant places. [2021-11-13 18:06:21,538 INFO L242 Difference]: Finished difference. Result has 436 places, 1055 transitions, 21069 flow [2021-11-13 18:06:21,539 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=17643, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=396, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=21069, PETRI_PLACES=436, PETRI_TRANSITIONS=1055} [2021-11-13 18:06:21,541 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 181 predicate places. [2021-11-13 18:06:21,541 INFO L470 AbstractCegarLoop]: Abstraction has has 436 places, 1055 transitions, 21069 flow [2021-11-13 18:06:21,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:21,542 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:21,542 INFO L254 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] [2021-11-13 18:06:21,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-13 18:06:21,543 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:21,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:21,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2056197855, now seen corresponding path program 8 times [2021-11-13 18:06:21,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:21,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080605850] [2021-11-13 18:06:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:21,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:21,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:21,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080605850] [2021-11-13 18:06:21,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080605850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:21,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:21,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:21,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698618890] [2021-11-13 18:06:21,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:21,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:21,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:21,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:21,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:21,872 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:21,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 1055 transitions, 21069 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:21,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:21,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:21,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:28,263 INFO L129 PetriNetUnfolder]: 3826/12911 cut-off events. [2021-11-13 18:06:28,263 INFO L130 PetriNetUnfolder]: For 142961/143667 co-relation queries the response was YES. [2021-11-13 18:06:28,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63744 conditions, 12911 events. 3826/12911 cut-off events. For 142961/143667 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 136538 event pairs, 522 based on Foata normal form. 180/13018 useless extension candidates. Maximal degree in co-relation 63563. Up to 3884 conditions per place. [2021-11-13 18:06:28,423 INFO L132 encePairwiseOnDemand]: 217/252 looper letters, 720 selfloop transitions, 501 changer transitions 4/1367 dead transitions. [2021-11-13 18:06:28,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 1367 transitions, 27341 flow [2021-11-13 18:06:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:06:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-13 18:06:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3008 transitions. [2021-11-13 18:06:28,442 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6631393298059964 [2021-11-13 18:06:28,442 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3008 transitions. [2021-11-13 18:06:28,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3008 transitions. [2021-11-13 18:06:28,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:28,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3008 transitions. [2021-11-13 18:06:28,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 167.11111111111111) internal successors, (3008), 18 states have internal predecessors, (3008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:28,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:28,455 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:28,455 INFO L186 Difference]: Start difference. First operand has 436 places, 1055 transitions, 21069 flow. Second operand 18 states and 3008 transitions. [2021-11-13 18:06:28,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 1367 transitions, 27341 flow [2021-11-13 18:06:29,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 1367 transitions, 27130 flow, removed 53 selfloop flow, removed 12 redundant places. [2021-11-13 18:06:29,639 INFO L242 Difference]: Finished difference. Result has 446 places, 1103 transitions, 23794 flow [2021-11-13 18:06:29,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=20863, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1055, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=23794, PETRI_PLACES=446, PETRI_TRANSITIONS=1103} [2021-11-13 18:06:29,640 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 191 predicate places. [2021-11-13 18:06:29,641 INFO L470 AbstractCegarLoop]: Abstraction has has 446 places, 1103 transitions, 23794 flow [2021-11-13 18:06:29,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:29,641 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:29,641 INFO L254 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] [2021-11-13 18:06:29,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-13 18:06:29,641 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -788108865, now seen corresponding path program 9 times [2021-11-13 18:06:29,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:29,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682244431] [2021-11-13 18:06:29,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:29,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:29,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:29,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682244431] [2021-11-13 18:06:29,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682244431] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:29,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:29,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:29,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126397466] [2021-11-13 18:06:29,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:29,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:29,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:29,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:29,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:29,986 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:29,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1103 transitions, 23794 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:29,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:29,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:29,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:36,986 INFO L129 PetriNetUnfolder]: 4173/14106 cut-off events. [2021-11-13 18:06:36,986 INFO L130 PetriNetUnfolder]: For 176988/177796 co-relation queries the response was YES. [2021-11-13 18:06:37,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71910 conditions, 14106 events. 4173/14106 cut-off events. For 176988/177796 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 152889 event pairs, 580 based on Foata normal form. 179/14210 useless extension candidates. Maximal degree in co-relation 71724. Up to 4076 conditions per place. [2021-11-13 18:06:37,375 INFO L132 encePairwiseOnDemand]: 218/252 looper letters, 778 selfloop transitions, 509 changer transitions 3/1432 dead transitions. [2021-11-13 18:06:37,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1432 transitions, 31213 flow [2021-11-13 18:06:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 18:06:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-13 18:06:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3282 transitions. [2021-11-13 18:06:37,381 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6511904761904762 [2021-11-13 18:06:37,382 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3282 transitions. [2021-11-13 18:06:37,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3282 transitions. [2021-11-13 18:06:37,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:37,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3282 transitions. [2021-11-13 18:06:37,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 164.1) internal successors, (3282), 20 states have internal predecessors, (3282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:37,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 252.0) internal successors, (5292), 21 states have internal predecessors, (5292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:37,399 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 252.0) internal successors, (5292), 21 states have internal predecessors, (5292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:37,399 INFO L186 Difference]: Start difference. First operand has 446 places, 1103 transitions, 23794 flow. Second operand 20 states and 3282 transitions. [2021-11-13 18:06:37,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 1432 transitions, 31213 flow [2021-11-13 18:06:38,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 1432 transitions, 31018 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-11-13 18:06:38,945 INFO L242 Difference]: Finished difference. Result has 461 places, 1172 transitions, 27472 flow [2021-11-13 18:06:38,948 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=23604, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=443, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=27472, PETRI_PLACES=461, PETRI_TRANSITIONS=1172} [2021-11-13 18:06:38,949 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 206 predicate places. [2021-11-13 18:06:38,949 INFO L470 AbstractCegarLoop]: Abstraction has has 461 places, 1172 transitions, 27472 flow [2021-11-13 18:06:38,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:38,950 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:38,950 INFO L254 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] [2021-11-13 18:06:38,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-13 18:06:38,951 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:38,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1683532765, now seen corresponding path program 10 times [2021-11-13 18:06:38,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:38,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76842125] [2021-11-13 18:06:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:38,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:39,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:39,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76842125] [2021-11-13 18:06:39,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76842125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:39,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:39,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:39,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852577246] [2021-11-13 18:06:39,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:39,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:39,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:39,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:39,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:39,343 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:39,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1172 transitions, 27472 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:39,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:39,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:39,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:47,179 INFO L129 PetriNetUnfolder]: 4535/15259 cut-off events. [2021-11-13 18:06:47,179 INFO L130 PetriNetUnfolder]: For 219496/220373 co-relation queries the response was YES. [2021-11-13 18:06:47,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80487 conditions, 15259 events. 4535/15259 cut-off events. For 219496/220373 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 168528 event pairs, 626 based on Foata normal form. 182/15364 useless extension candidates. Maximal degree in co-relation 80294. Up to 4110 conditions per place. [2021-11-13 18:06:47,424 INFO L132 encePairwiseOnDemand]: 219/252 looper letters, 816 selfloop transitions, 526 changer transitions 2/1486 dead transitions. [2021-11-13 18:06:47,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 1486 transitions, 35169 flow [2021-11-13 18:06:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 18:06:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-13 18:06:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3100 transitions. [2021-11-13 18:06:47,430 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.647451963241437 [2021-11-13 18:06:47,431 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3100 transitions. [2021-11-13 18:06:47,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3100 transitions. [2021-11-13 18:06:47,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:47,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3100 transitions. [2021-11-13 18:06:47,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 163.1578947368421) internal successors, (3100), 19 states have internal predecessors, (3100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:47,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 252.0) internal successors, (5040), 20 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:47,442 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 252.0) internal successors, (5040), 20 states have internal predecessors, (5040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:47,442 INFO L186 Difference]: Start difference. First operand has 461 places, 1172 transitions, 27472 flow. Second operand 19 states and 3100 transitions. [2021-11-13 18:06:47,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 1486 transitions, 35169 flow [2021-11-13 18:06:49,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 1486 transitions, 34857 flow, removed 98 selfloop flow, removed 11 redundant places. [2021-11-13 18:06:49,813 INFO L242 Difference]: Finished difference. Result has 476 places, 1245 transitions, 31330 flow [2021-11-13 18:06:49,814 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=27174, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=31330, PETRI_PLACES=476, PETRI_TRANSITIONS=1245} [2021-11-13 18:06:49,815 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 221 predicate places. [2021-11-13 18:06:49,815 INFO L470 AbstractCegarLoop]: Abstraction has has 476 places, 1245 transitions, 31330 flow [2021-11-13 18:06:49,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:49,815 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:06:49,816 INFO L254 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] [2021-11-13 18:06:49,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-13 18:06:49,816 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:06:49,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:06:49,817 INFO L85 PathProgramCache]: Analyzing trace with hash 225293321, now seen corresponding path program 11 times [2021-11-13 18:06:49,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:06:49,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969103805] [2021-11-13 18:06:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:06:49,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:06:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:06:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:06:50,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:06:50,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969103805] [2021-11-13 18:06:50,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969103805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:06:50,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:06:50,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:06:50,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781272863] [2021-11-13 18:06:50,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:06:50,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:06:50,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:06:50,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:06:50,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:06:50,121 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:06:50,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 1245 transitions, 31330 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:50,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:06:50,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:06:50,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:06:58,833 INFO L129 PetriNetUnfolder]: 4691/15845 cut-off events. [2021-11-13 18:06:58,833 INFO L130 PetriNetUnfolder]: For 255530/256458 co-relation queries the response was YES. [2021-11-13 18:06:59,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85577 conditions, 15845 events. 4691/15845 cut-off events. For 255530/256458 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 177113 event pairs, 659 based on Foata normal form. 236/16002 useless extension candidates. Maximal degree in co-relation 85376. Up to 5310 conditions per place. [2021-11-13 18:06:59,106 INFO L132 encePairwiseOnDemand]: 219/252 looper letters, 743 selfloop transitions, 590 changer transitions 2/1477 dead transitions. [2021-11-13 18:06:59,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 1477 transitions, 37459 flow [2021-11-13 18:06:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 18:06:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-13 18:06:59,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2936 transitions. [2021-11-13 18:06:59,110 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6472663139329806 [2021-11-13 18:06:59,111 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2936 transitions. [2021-11-13 18:06:59,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2936 transitions. [2021-11-13 18:06:59,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:06:59,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2936 transitions. [2021-11-13 18:06:59,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 163.11111111111111) internal successors, (2936), 18 states have internal predecessors, (2936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:59,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:59,121 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 252.0) internal successors, (4788), 19 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:06:59,121 INFO L186 Difference]: Start difference. First operand has 476 places, 1245 transitions, 31330 flow. Second operand 18 states and 2936 transitions. [2021-11-13 18:06:59,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 1477 transitions, 37459 flow [2021-11-13 18:07:01,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 1477 transitions, 37152 flow, removed 128 selfloop flow, removed 9 redundant places. [2021-11-13 18:07:01,583 INFO L242 Difference]: Finished difference. Result has 491 places, 1284 transitions, 34854 flow [2021-11-13 18:07:01,584 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=31053, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=551, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=34854, PETRI_PLACES=491, PETRI_TRANSITIONS=1284} [2021-11-13 18:07:01,585 INFO L334 CegarLoopForPetriNet]: 255 programPoint places, 236 predicate places. [2021-11-13 18:07:01,585 INFO L470 AbstractCegarLoop]: Abstraction has has 491 places, 1284 transitions, 34854 flow [2021-11-13 18:07:01,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:07:01,585 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:07:01,586 INFO L254 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] [2021-11-13 18:07:01,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-13 18:07:01,586 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2021-11-13 18:07:01,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:07:01,586 INFO L85 PathProgramCache]: Analyzing trace with hash 374696077, now seen corresponding path program 12 times [2021-11-13 18:07:01,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:07:01,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066659359] [2021-11-13 18:07:01,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:07:01,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:07:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:07:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:07:01,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:07:01,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066659359] [2021-11-13 18:07:01,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066659359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:07:01,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:07:01,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 18:07:01,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844316075] [2021-11-13 18:07:01,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:07:01,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 18:07:01,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:07:01,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 18:07:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:07:01,947 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 252 [2021-11-13 18:07:01,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 1284 transitions, 34854 flow. Second operand has 13 states, 13 states have (on average 152.3846153846154) internal successors, (1981), 13 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:07:01,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:07:01,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 252 [2021-11-13 18:07:01,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand