./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL --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 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:47:13,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:47:13,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:47:13,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:47:13,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:47:13,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:47:13,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:47:13,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:47:13,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:47:13,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:47:13,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:47:13,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:47:13,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:47:13,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:47:13,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:47:13,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:47:13,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:47:13,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:47:13,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:47:13,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:47:13,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:47:13,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:47:13,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:47:13,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:47:13,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:47:13,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:47:13,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:47:13,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:47:13,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:47:13,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:47:13,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:47:13,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:47:13,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:47:13,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:47:13,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:47:13,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:47:13,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:47:13,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:47:13,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:47:13,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:47:13,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:47:13,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-19 04:47:13,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:47:13,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:47:13,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:47:13,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:47:13,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:47:13,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:47:13,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:47:13,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:47:13,960 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:47:13,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:47:13,961 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:47:13,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:47:13,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:47:13,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:47:13,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:47:13,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:47:13,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:47:13,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:47:13,964 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 04:47:13,964 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:47:13,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:47:13,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:47:13,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:47:13,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:47:13,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:47:13,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:47:13,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:47:13,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:47:13,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:47:13,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:47:13,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:47:13,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:47:13,970 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:47:13,970 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:47:13,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:47:13,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:47:13,971 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_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fabb88ade703ed67646ecdb87c815e5ac82dedce1b2b43f0f0859c8695912d8 [2021-11-19 04:47:14,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:47:14,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:47:14,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:47:14,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:47:14,238 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:47:14,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2021-11-19 04:47:14,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/data/1043f6d6b/9006ceb683224716bcc5ab14920a9ec5/FLAG570b5dec3 [2021-11-19 04:47:14,908 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:47:14,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/sv-benchmarks/c/goblint-regression/09-regions_03-list2_rc.i [2021-11-19 04:47:14,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/data/1043f6d6b/9006ceb683224716bcc5ab14920a9ec5/FLAG570b5dec3 [2021-11-19 04:47:15,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/data/1043f6d6b/9006ceb683224716bcc5ab14920a9ec5 [2021-11-19 04:47:15,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:47:15,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:47:15,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:47:15,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:47:15,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:47:15,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2021-11-19 04:47:15,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df9fa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15, skipping insertion in model container [2021-11-19 04:47:15,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2021-11-19 04:47:15,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:47:15,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:47:15,782 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:47:15,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:47:15,917 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:47:16,021 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:47:16,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16 WrapperNode [2021-11-19 04:47:16,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:47:16,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:47:16,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:47:16,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:47:16,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,110 INFO L137 Inliner]: procedures = 368, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2021-11-19 04:47:16,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:47:16,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:47:16,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:47:16,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:47:16,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:47:16,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:47:16,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:47:16,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:47:16,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2021-11-19 04:47:16,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:47:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:47:16,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:47:16,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6a459b-414f-4783-b4b6-97bae2285be1/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 04:47:16,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:47:16,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:47:16,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:47:16,302 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 04:47:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 04:47:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:47:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:47:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:47:16,304 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 04:47:16,458 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:47:16,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:47:17,022 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:47:17,038 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:47:17,038 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 04:47:17,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17 BoogieIcfgContainer [2021-11-19 04:47:17,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:47:17,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:47:17,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:47:17,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:47:17,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:15" (1/3) ... [2021-11-19 04:47:17,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48855318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:17, skipping insertion in model container [2021-11-19 04:47:17,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (2/3) ... [2021-11-19 04:47:17,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48855318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:17, skipping insertion in model container [2021-11-19 04:47:17,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17" (3/3) ... [2021-11-19 04:47:17,049 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_03-list2_rc.i [2021-11-19 04:47:17,054 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 04:47:17,055 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:47:17,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-19 04:47:17,055 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 04:47:17,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,095 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,095 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,096 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,096 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,141 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,143 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,144 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:47:17,147 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 04:47:17,190 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:47:17,197 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 [2021-11-19 04:47:17,198 INFO L340 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2021-11-19 04:47:17,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 284 transitions, 573 flow [2021-11-19 04:47:17,388 INFO L129 PetriNetUnfolder]: 0/283 cut-off events. [2021-11-19 04:47:17,388 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:47:17,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 283 events. 0/283 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-19 04:47:17,391 INFO L82 GeneralOperation]: Start removeDead. Operand has 288 places, 284 transitions, 573 flow [2021-11-19 04:47:17,406 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 287 places, 283 transitions, 569 flow [2021-11-19 04:47:17,418 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-11-19 04:47:17,418 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:47:17,418 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:17,419 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] [2021-11-19 04:47:17,419 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:17,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:17,429 INFO L85 PathProgramCache]: Analyzing trace with hash -72664848, now seen corresponding path program 1 times [2021-11-19 04:47:17,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:17,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173548175] [2021-11-19 04:47:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:17,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:17,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:17,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173548175] [2021-11-19 04:47:17,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173548175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:17,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:17,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:17,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023106423] [2021-11-19 04:47:17,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:17,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:17,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:17,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:17,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:17,925 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 284 [2021-11-19 04:47:17,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 283 transitions, 569 flow. Second operand has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:17,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:17,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 284 [2021-11-19 04:47:17,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:19,109 INFO L129 PetriNetUnfolder]: 864/2845 cut-off events. [2021-11-19 04:47:19,110 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 04:47:19,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4702 conditions, 2845 events. 864/2845 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17967 event pairs, 864 based on Foata normal form. 0/2483 useless extension candidates. Maximal degree in co-relation 4478. Up to 1838 conditions per place. [2021-11-19 04:47:19,143 INFO L132 encePairwiseOnDemand]: 266/284 looper letters, 109 selfloop transitions, 15 changer transitions 0/280 dead transitions. [2021-11-19 04:47:19,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 280 transitions, 811 flow [2021-11-19 04:47:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:19,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1069 transitions. [2021-11-19 04:47:19,169 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6273474178403756 [2021-11-19 04:47:19,169 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1069 transitions. [2021-11-19 04:47:19,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1069 transitions. [2021-11-19 04:47:19,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:19,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1069 transitions. [2021-11-19 04:47:19,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.16666666666666) internal successors, (1069), 6 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:19,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:19,205 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:19,206 INFO L186 Difference]: Start difference. First operand has 287 places, 283 transitions, 569 flow. Second operand 6 states and 1069 transitions. [2021-11-19 04:47:19,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 280 transitions, 811 flow [2021-11-19 04:47:19,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 280 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-19 04:47:19,226 INFO L242 Difference]: Finished difference. Result has 288 places, 280 transitions, 592 flow [2021-11-19 04:47:19,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=288, PETRI_TRANSITIONS=280} [2021-11-19 04:47:19,234 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 1 predicate places. [2021-11-19 04:47:19,234 INFO L470 AbstractCegarLoop]: Abstraction has has 288 places, 280 transitions, 592 flow [2021-11-19 04:47:19,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:19,236 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:19,236 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] [2021-11-19 04:47:19,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:47:19,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:19,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1539851138, now seen corresponding path program 1 times [2021-11-19 04:47:19,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:19,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976391844] [2021-11-19 04:47:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:19,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:19,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:19,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976391844] [2021-11-19 04:47:19,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976391844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:19,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:19,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:19,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914903159] [2021-11-19 04:47:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:19,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:19,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:19,474 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 284 [2021-11-19 04:47:19,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 280 transitions, 592 flow. Second operand has 6 states, 6 states have (on average 159.5) internal successors, (957), 6 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:19,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:19,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 284 [2021-11-19 04:47:19,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:20,712 INFO L129 PetriNetUnfolder]: 864/2842 cut-off events. [2021-11-19 04:47:20,713 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-19 04:47:20,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4711 conditions, 2842 events. 864/2842 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17953 event pairs, 864 based on Foata normal form. 0/2483 useless extension candidates. Maximal degree in co-relation 4520. Up to 1835 conditions per place. [2021-11-19 04:47:20,732 INFO L132 encePairwiseOnDemand]: 266/284 looper letters, 106 selfloop transitions, 15 changer transitions 0/277 dead transitions. [2021-11-19 04:47:20,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 277 transitions, 828 flow [2021-11-19 04:47:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:20,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1066 transitions. [2021-11-19 04:47:20,737 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6255868544600939 [2021-11-19 04:47:20,738 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1066 transitions. [2021-11-19 04:47:20,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1066 transitions. [2021-11-19 04:47:20,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:20,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1066 transitions. [2021-11-19 04:47:20,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.66666666666666) internal successors, (1066), 6 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,749 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,749 INFO L186 Difference]: Start difference. First operand has 288 places, 280 transitions, 592 flow. Second operand 6 states and 1066 transitions. [2021-11-19 04:47:20,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 277 transitions, 828 flow [2021-11-19 04:47:20,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 277 transitions, 798 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-19 04:47:20,762 INFO L242 Difference]: Finished difference. Result has 285 places, 277 transitions, 586 flow [2021-11-19 04:47:20,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=586, PETRI_PLACES=285, PETRI_TRANSITIONS=277} [2021-11-19 04:47:20,764 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -2 predicate places. [2021-11-19 04:47:20,764 INFO L470 AbstractCegarLoop]: Abstraction has has 285 places, 277 transitions, 586 flow [2021-11-19 04:47:20,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.5) internal successors, (957), 6 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,765 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:20,766 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] [2021-11-19 04:47:20,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:47:20,769 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1074988291, now seen corresponding path program 1 times [2021-11-19 04:47:20,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:20,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561562352] [2021-11-19 04:47:20,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:20,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:20,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:20,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561562352] [2021-11-19 04:47:20,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561562352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:20,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:20,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:47:20,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786288211] [2021-11-19 04:47:20,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:20,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:47:20,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:20,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:47:20,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:47:20,878 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 284 [2021-11-19 04:47:20,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 277 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:20,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 284 [2021-11-19 04:47:20,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:20,973 INFO L129 PetriNetUnfolder]: 9/504 cut-off events. [2021-11-19 04:47:20,973 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:47:20,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 504 events. 9/504 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1517 event pairs, 9 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 397. Up to 35 conditions per place. [2021-11-19 04:47:20,977 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 16 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2021-11-19 04:47:20,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 276 transitions, 620 flow [2021-11-19 04:47:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:47:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 04:47:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 814 transitions. [2021-11-19 04:47:20,980 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553990610328639 [2021-11-19 04:47:20,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 814 transitions. [2021-11-19 04:47:20,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 814 transitions. [2021-11-19 04:47:20,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:20,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 814 transitions. [2021-11-19 04:47:20,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,988 INFO L186 Difference]: Start difference. First operand has 285 places, 277 transitions, 586 flow. Second operand 3 states and 814 transitions. [2021-11-19 04:47:20,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 276 transitions, 620 flow [2021-11-19 04:47:20,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 276 transitions, 590 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-19 04:47:20,996 INFO L242 Difference]: Finished difference. Result has 281 places, 276 transitions, 558 flow [2021-11-19 04:47:20,997 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=281, PETRI_TRANSITIONS=276} [2021-11-19 04:47:20,998 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -6 predicate places. [2021-11-19 04:47:20,998 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 276 transitions, 558 flow [2021-11-19 04:47:20,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:20,999 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:20,999 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] [2021-11-19 04:47:21,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:47:21,000 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:21,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1176980104, now seen corresponding path program 1 times [2021-11-19 04:47:21,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:21,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592517727] [2021-11-19 04:47:21,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:21,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:21,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:21,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592517727] [2021-11-19 04:47:21,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592517727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:21,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:21,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:47:21,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655722241] [2021-11-19 04:47:21,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:21,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:47:21,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:47:21,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:47:21,051 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 284 [2021-11-19 04:47:21,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 276 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:21,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:21,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 284 [2021-11-19 04:47:21,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:21,152 INFO L129 PetriNetUnfolder]: 4/441 cut-off events. [2021-11-19 04:47:21,152 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 04:47:21,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 441 events. 4/441 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1088 event pairs, 4 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 395. Up to 17 conditions per place. [2021-11-19 04:47:21,155 INFO L132 encePairwiseOnDemand]: 279/284 looper letters, 10 selfloop transitions, 1 changer transitions 0/272 dead transitions. [2021-11-19 04:47:21,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 272 transitions, 572 flow [2021-11-19 04:47:21,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:47:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 04:47:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2021-11-19 04:47:21,160 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9612676056338029 [2021-11-19 04:47:21,160 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions. [2021-11-19 04:47:21,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions. [2021-11-19 04:47:21,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:21,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions. [2021-11-19 04:47:21,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:21,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:21,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:21,167 INFO L186 Difference]: Start difference. First operand has 281 places, 276 transitions, 558 flow. Second operand 3 states and 819 transitions. [2021-11-19 04:47:21,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 272 transitions, 572 flow [2021-11-19 04:47:21,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 272 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-19 04:47:21,175 INFO L242 Difference]: Finished difference. Result has 277 places, 272 transitions, 548 flow [2021-11-19 04:47:21,176 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=277, PETRI_TRANSITIONS=272} [2021-11-19 04:47:21,177 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -10 predicate places. [2021-11-19 04:47:21,177 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 272 transitions, 548 flow [2021-11-19 04:47:21,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:21,178 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:21,178 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] [2021-11-19 04:47:21,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:47:21,179 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash -924349762, now seen corresponding path program 1 times [2021-11-19 04:47:21,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:21,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551491592] [2021-11-19 04:47:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:21,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:21,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:21,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551491592] [2021-11-19 04:47:21,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551491592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:21,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:21,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:21,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279078261] [2021-11-19 04:47:21,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:21,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:21,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:21,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:21,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:21,345 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 284 [2021-11-19 04:47:21,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 272 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:21,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:21,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 284 [2021-11-19 04:47:21,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:22,213 INFO L129 PetriNetUnfolder]: 925/3008 cut-off events. [2021-11-19 04:47:22,213 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:47:22,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4975 conditions, 3008 events. 925/3008 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 19099 event pairs, 925 based on Foata normal form. 0/2643 useless extension candidates. Maximal degree in co-relation 4892. Up to 1957 conditions per place. [2021-11-19 04:47:22,235 INFO L132 encePairwiseOnDemand]: 278/284 looper letters, 106 selfloop transitions, 5 changer transitions 0/271 dead transitions. [2021-11-19 04:47:22,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 271 transitions, 768 flow [2021-11-19 04:47:22,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:22,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1108 transitions. [2021-11-19 04:47:22,241 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6502347417840375 [2021-11-19 04:47:22,241 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1108 transitions. [2021-11-19 04:47:22,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1108 transitions. [2021-11-19 04:47:22,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:22,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1108 transitions. [2021-11-19 04:47:22,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,252 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,252 INFO L186 Difference]: Start difference. First operand has 277 places, 272 transitions, 548 flow. Second operand 6 states and 1108 transitions. [2021-11-19 04:47:22,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 271 transitions, 768 flow [2021-11-19 04:47:22,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 271 transitions, 767 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-19 04:47:22,261 INFO L242 Difference]: Finished difference. Result has 280 places, 271 transitions, 555 flow [2021-11-19 04:47:22,261 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=555, PETRI_PLACES=280, PETRI_TRANSITIONS=271} [2021-11-19 04:47:22,262 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -7 predicate places. [2021-11-19 04:47:22,263 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 271 transitions, 555 flow [2021-11-19 04:47:22,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.16666666666666) internal successors, (1027), 6 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,264 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:22,264 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] [2021-11-19 04:47:22,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:47:22,264 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1517276601, now seen corresponding path program 1 times [2021-11-19 04:47:22,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:22,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343678074] [2021-11-19 04:47:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:22,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:22,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:22,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343678074] [2021-11-19 04:47:22,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343678074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:22,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:22,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:47:22,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286508208] [2021-11-19 04:47:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:22,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:47:22,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:22,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:47:22,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:47:22,326 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 284 [2021-11-19 04:47:22,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 271 transitions, 555 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:22,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 284 [2021-11-19 04:47:22,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:22,402 INFO L129 PetriNetUnfolder]: 9/403 cut-off events. [2021-11-19 04:47:22,402 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:47:22,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 403 events. 9/403 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 784 event pairs, 9 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 379. Up to 35 conditions per place. [2021-11-19 04:47:22,405 INFO L132 encePairwiseOnDemand]: 281/284 looper letters, 16 selfloop transitions, 2 changer transitions 0/270 dead transitions. [2021-11-19 04:47:22,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 270 transitions, 589 flow [2021-11-19 04:47:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:47:22,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 04:47:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 814 transitions. [2021-11-19 04:47:22,408 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9553990610328639 [2021-11-19 04:47:22,409 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 814 transitions. [2021-11-19 04:47:22,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 814 transitions. [2021-11-19 04:47:22,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:22,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 814 transitions. [2021-11-19 04:47:22,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,415 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,416 INFO L186 Difference]: Start difference. First operand has 280 places, 271 transitions, 555 flow. Second operand 3 states and 814 transitions. [2021-11-19 04:47:22,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 270 transitions, 589 flow [2021-11-19 04:47:22,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 270 transitions, 579 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-19 04:47:22,423 INFO L242 Difference]: Finished difference. Result has 276 places, 270 transitions, 547 flow [2021-11-19 04:47:22,424 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=547, PETRI_PLACES=276, PETRI_TRANSITIONS=270} [2021-11-19 04:47:22,425 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -11 predicate places. [2021-11-19 04:47:22,425 INFO L470 AbstractCegarLoop]: Abstraction has has 276 places, 270 transitions, 547 flow [2021-11-19 04:47:22,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,426 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:22,426 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] [2021-11-19 04:47:22,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 04:47:22,427 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:22,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash -556903944, now seen corresponding path program 1 times [2021-11-19 04:47:22,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:22,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627876315] [2021-11-19 04:47:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:22,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:22,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:22,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627876315] [2021-11-19 04:47:22,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627876315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:22,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:22,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:47:22,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707390128] [2021-11-19 04:47:22,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:22,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:47:22,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:22,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:47:22,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:47:22,483 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 284 [2021-11-19 04:47:22,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 270 transitions, 547 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:22,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 284 [2021-11-19 04:47:22,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:22,547 INFO L129 PetriNetUnfolder]: 4/359 cut-off events. [2021-11-19 04:47:22,547 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 04:47:22,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 359 events. 4/359 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 524 event pairs, 4 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 316. Up to 17 conditions per place. [2021-11-19 04:47:22,549 INFO L132 encePairwiseOnDemand]: 279/284 looper letters, 10 selfloop transitions, 1 changer transitions 0/266 dead transitions. [2021-11-19 04:47:22,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 266 transitions, 561 flow [2021-11-19 04:47:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:47:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 04:47:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2021-11-19 04:47:22,553 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9612676056338029 [2021-11-19 04:47:22,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions. [2021-11-19 04:47:22,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions. [2021-11-19 04:47:22,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:22,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions. [2021-11-19 04:47:22,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,559 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,559 INFO L186 Difference]: Start difference. First operand has 276 places, 270 transitions, 547 flow. Second operand 3 states and 819 transitions. [2021-11-19 04:47:22,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 266 transitions, 561 flow [2021-11-19 04:47:22,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 266 transitions, 557 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-19 04:47:22,566 INFO L242 Difference]: Finished difference. Result has 272 places, 266 transitions, 537 flow [2021-11-19 04:47:22,567 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=537, PETRI_PLACES=272, PETRI_TRANSITIONS=266} [2021-11-19 04:47:22,567 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -15 predicate places. [2021-11-19 04:47:22,568 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 266 transitions, 537 flow [2021-11-19 04:47:22,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,569 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:22,569 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] [2021-11-19 04:47:22,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 04:47:22,569 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash 30014991, now seen corresponding path program 1 times [2021-11-19 04:47:22,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:22,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529543606] [2021-11-19 04:47:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:22,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:22,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:22,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529543606] [2021-11-19 04:47:22,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529543606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:22,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:22,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:22,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381228629] [2021-11-19 04:47:22,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:22,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:22,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:22,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:22,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:22,698 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 284 [2021-11-19 04:47:22,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 266 transitions, 537 flow. Second operand has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:22,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:22,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 284 [2021-11-19 04:47:22,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:23,388 INFO L129 PetriNetUnfolder]: 925/2919 cut-off events. [2021-11-19 04:47:23,388 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:47:23,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4886 conditions, 2919 events. 925/2919 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18242 event pairs, 925 based on Foata normal form. 0/2588 useless extension candidates. Maximal degree in co-relation 4804. Up to 1956 conditions per place. [2021-11-19 04:47:23,407 INFO L132 encePairwiseOnDemand]: 278/284 looper letters, 105 selfloop transitions, 5 changer transitions 0/265 dead transitions. [2021-11-19 04:47:23,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 265 transitions, 755 flow [2021-11-19 04:47:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:23,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1107 transitions. [2021-11-19 04:47:23,412 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6496478873239436 [2021-11-19 04:47:23,412 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1107 transitions. [2021-11-19 04:47:23,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1107 transitions. [2021-11-19 04:47:23,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:23,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1107 transitions. [2021-11-19 04:47:23,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:23,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:23,421 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:23,421 INFO L186 Difference]: Start difference. First operand has 272 places, 266 transitions, 537 flow. Second operand 6 states and 1107 transitions. [2021-11-19 04:47:23,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 265 transitions, 755 flow [2021-11-19 04:47:23,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 265 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-19 04:47:23,428 INFO L242 Difference]: Finished difference. Result has 275 places, 265 transitions, 544 flow [2021-11-19 04:47:23,429 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=544, PETRI_PLACES=275, PETRI_TRANSITIONS=265} [2021-11-19 04:47:23,432 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -12 predicate places. [2021-11-19 04:47:23,432 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 265 transitions, 544 flow [2021-11-19 04:47:23,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:23,433 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:23,433 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] [2021-11-19 04:47:23,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 04:47:23,434 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:23,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:23,435 INFO L85 PathProgramCache]: Analyzing trace with hash -19713060, now seen corresponding path program 1 times [2021-11-19 04:47:23,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:23,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459757927] [2021-11-19 04:47:23,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:23,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:23,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:23,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459757927] [2021-11-19 04:47:23,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459757927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:23,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:23,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:23,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674496890] [2021-11-19 04:47:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:23,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:23,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:23,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:23,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:23,615 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 284 [2021-11-19 04:47:23,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 265 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:23,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:23,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 284 [2021-11-19 04:47:23,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:24,796 INFO L129 PetriNetUnfolder]: 1392/4454 cut-off events. [2021-11-19 04:47:24,797 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 04:47:24,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7403 conditions, 4454 events. 1392/4454 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32492 event pairs, 181 based on Foata normal form. 0/4009 useless extension candidates. Maximal degree in co-relation 7321. Up to 1396 conditions per place. [2021-11-19 04:47:24,825 INFO L132 encePairwiseOnDemand]: 265/284 looper letters, 210 selfloop transitions, 38 changer transitions 0/406 dead transitions. [2021-11-19 04:47:24,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 406 transitions, 1322 flow [2021-11-19 04:47:24,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1264 transitions. [2021-11-19 04:47:24,830 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7417840375586855 [2021-11-19 04:47:24,830 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1264 transitions. [2021-11-19 04:47:24,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1264 transitions. [2021-11-19 04:47:24,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:24,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1264 transitions. [2021-11-19 04:47:24,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.66666666666666) internal successors, (1264), 6 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:24,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:24,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:24,841 INFO L186 Difference]: Start difference. First operand has 275 places, 265 transitions, 544 flow. Second operand 6 states and 1264 transitions. [2021-11-19 04:47:24,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 406 transitions, 1322 flow [2021-11-19 04:47:24,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 406 transitions, 1312 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-19 04:47:24,851 INFO L242 Difference]: Finished difference. Result has 279 places, 301 transitions, 792 flow [2021-11-19 04:47:24,852 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=792, PETRI_PLACES=279, PETRI_TRANSITIONS=301} [2021-11-19 04:47:24,853 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -8 predicate places. [2021-11-19 04:47:24,853 INFO L470 AbstractCegarLoop]: Abstraction has has 279 places, 301 transitions, 792 flow [2021-11-19 04:47:24,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:24,855 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:24,856 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] [2021-11-19 04:47:24,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 04:47:24,856 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash -487112416, now seen corresponding path program 1 times [2021-11-19 04:47:24,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:24,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470738554] [2021-11-19 04:47:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:24,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:25,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:25,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470738554] [2021-11-19 04:47:25,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470738554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:25,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:25,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:25,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712138515] [2021-11-19 04:47:25,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:25,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:25,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:25,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:25,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:25,031 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 284 [2021-11-19 04:47:25,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 301 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:25,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:25,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 284 [2021-11-19 04:47:25,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:26,216 INFO L129 PetriNetUnfolder]: 1425/4556 cut-off events. [2021-11-19 04:47:26,216 INFO L130 PetriNetUnfolder]: For 1051/1051 co-relation queries the response was YES. [2021-11-19 04:47:26,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8678 conditions, 4556 events. 1425/4556 cut-off events. For 1051/1051 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32919 event pairs, 936 based on Foata normal form. 0/4109 useless extension candidates. Maximal degree in co-relation 8594. Up to 2720 conditions per place. [2021-11-19 04:47:26,249 INFO L132 encePairwiseOnDemand]: 278/284 looper letters, 227 selfloop transitions, 5 changer transitions 0/392 dead transitions. [2021-11-19 04:47:26,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 392 transitions, 1478 flow [2021-11-19 04:47:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1222 transitions. [2021-11-19 04:47:26,254 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7171361502347418 [2021-11-19 04:47:26,254 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1222 transitions. [2021-11-19 04:47:26,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1222 transitions. [2021-11-19 04:47:26,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:26,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1222 transitions. [2021-11-19 04:47:26,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.66666666666666) internal successors, (1222), 6 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:26,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:26,264 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:26,264 INFO L186 Difference]: Start difference. First operand has 279 places, 301 transitions, 792 flow. Second operand 6 states and 1222 transitions. [2021-11-19 04:47:26,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 392 transitions, 1478 flow [2021-11-19 04:47:26,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 392 transitions, 1478 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-19 04:47:26,278 INFO L242 Difference]: Finished difference. Result has 283 places, 300 transitions, 800 flow [2021-11-19 04:47:26,279 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=800, PETRI_PLACES=283, PETRI_TRANSITIONS=300} [2021-11-19 04:47:26,279 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, -4 predicate places. [2021-11-19 04:47:26,279 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 300 transitions, 800 flow [2021-11-19 04:47:26,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:26,280 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:26,281 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, 1, 1] [2021-11-19 04:47:26,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 04:47:26,281 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:26,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash -480596750, now seen corresponding path program 1 times [2021-11-19 04:47:26,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:26,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040836647] [2021-11-19 04:47:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:26,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:26,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:26,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040836647] [2021-11-19 04:47:26,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040836647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:26,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:26,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:26,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937315265] [2021-11-19 04:47:26,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:26,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:26,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:26,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:26,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:26,410 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 284 [2021-11-19 04:47:26,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 300 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 175.66666666666666) internal successors, (1054), 6 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:26,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:26,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 284 [2021-11-19 04:47:26,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:28,019 INFO L129 PetriNetUnfolder]: 1814/5664 cut-off events. [2021-11-19 04:47:28,019 INFO L130 PetriNetUnfolder]: For 1342/1346 co-relation queries the response was YES. [2021-11-19 04:47:28,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10887 conditions, 5664 events. 1814/5664 cut-off events. For 1342/1346 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 43869 event pairs, 351 based on Foata normal form. 0/5216 useless extension candidates. Maximal degree in co-relation 10799. Up to 2162 conditions per place. [2021-11-19 04:47:28,051 INFO L132 encePairwiseOnDemand]: 263/284 looper letters, 253 selfloop transitions, 71 changer transitions 0/479 dead transitions. [2021-11-19 04:47:28,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 479 transitions, 2062 flow [2021-11-19 04:47:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1257 transitions. [2021-11-19 04:47:28,057 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7376760563380281 [2021-11-19 04:47:28,057 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1257 transitions. [2021-11-19 04:47:28,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1257 transitions. [2021-11-19 04:47:28,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:28,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1257 transitions. [2021-11-19 04:47:28,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.5) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:28,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:28,068 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:28,068 INFO L186 Difference]: Start difference. First operand has 283 places, 300 transitions, 800 flow. Second operand 6 states and 1257 transitions. [2021-11-19 04:47:28,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 479 transitions, 2062 flow [2021-11-19 04:47:28,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 479 transitions, 2012 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-19 04:47:28,085 INFO L242 Difference]: Finished difference. Result has 288 places, 369 transitions, 1448 flow [2021-11-19 04:47:28,086 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1448, PETRI_PLACES=288, PETRI_TRANSITIONS=369} [2021-11-19 04:47:28,087 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 1 predicate places. [2021-11-19 04:47:28,087 INFO L470 AbstractCegarLoop]: Abstraction has has 288 places, 369 transitions, 1448 flow [2021-11-19 04:47:28,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 175.66666666666666) internal successors, (1054), 6 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:28,088 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:28,088 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, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:28,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 04:47:28,089 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:28,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:28,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1276379227, now seen corresponding path program 1 times [2021-11-19 04:47:28,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:28,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984695245] [2021-11-19 04:47:28,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:28,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:28,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:28,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984695245] [2021-11-19 04:47:28,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984695245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:28,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:28,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:28,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556225004] [2021-11-19 04:47:28,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:28,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:28,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:28,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:28,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:28,237 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 284 [2021-11-19 04:47:28,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 369 transitions, 1448 flow. Second operand has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:28,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:28,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 284 [2021-11-19 04:47:28,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:29,661 INFO L129 PetriNetUnfolder]: 1933/6127 cut-off events. [2021-11-19 04:47:29,661 INFO L130 PetriNetUnfolder]: For 3619/3666 co-relation queries the response was YES. [2021-11-19 04:47:29,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14051 conditions, 6127 events. 1933/6127 cut-off events. For 3619/3666 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 48043 event pairs, 1000 based on Foata normal form. 0/5714 useless extension candidates. Maximal degree in co-relation 13962. Up to 3830 conditions per place. [2021-11-19 04:47:29,701 INFO L132 encePairwiseOnDemand]: 261/284 looper letters, 240 selfloop transitions, 89 changer transitions 0/488 dead transitions. [2021-11-19 04:47:29,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 488 transitions, 2626 flow [2021-11-19 04:47:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1221 transitions. [2021-11-19 04:47:29,706 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7165492957746479 [2021-11-19 04:47:29,706 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1221 transitions. [2021-11-19 04:47:29,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1221 transitions. [2021-11-19 04:47:29,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:29,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1221 transitions. [2021-11-19 04:47:29,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:29,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:29,715 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:29,715 INFO L186 Difference]: Start difference. First operand has 288 places, 369 transitions, 1448 flow. Second operand 6 states and 1221 transitions. [2021-11-19 04:47:29,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 488 transitions, 2626 flow [2021-11-19 04:47:29,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 488 transitions, 2626 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-19 04:47:29,742 INFO L242 Difference]: Finished difference. Result has 298 places, 453 transitions, 2250 flow [2021-11-19 04:47:29,742 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=1448, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2250, PETRI_PLACES=298, PETRI_TRANSITIONS=453} [2021-11-19 04:47:29,743 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 11 predicate places. [2021-11-19 04:47:29,743 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 453 transitions, 2250 flow [2021-11-19 04:47:29,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:29,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:29,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:29,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 04:47:29,744 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:29,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash -978759861, now seen corresponding path program 1 times [2021-11-19 04:47:29,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:29,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308042607] [2021-11-19 04:47:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:29,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:29,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:29,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308042607] [2021-11-19 04:47:29,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308042607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:29,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:29,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:47:29,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529560688] [2021-11-19 04:47:29,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:29,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:47:29,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:29,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:47:29,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:47:29,815 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 284 [2021-11-19 04:47:29,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 453 transitions, 2250 flow. Second operand has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:29,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:29,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 284 [2021-11-19 04:47:29,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:30,178 INFO L129 PetriNetUnfolder]: 277/1907 cut-off events. [2021-11-19 04:47:30,179 INFO L130 PetriNetUnfolder]: For 1039/1104 co-relation queries the response was YES. [2021-11-19 04:47:30,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3903 conditions, 1907 events. 277/1907 cut-off events. For 1039/1104 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13028 event pairs, 25 based on Foata normal form. 4/1825 useless extension candidates. Maximal degree in co-relation 3813. Up to 272 conditions per place. [2021-11-19 04:47:30,193 INFO L132 encePairwiseOnDemand]: 278/284 looper letters, 15 selfloop transitions, 6 changer transitions 0/393 dead transitions. [2021-11-19 04:47:30,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 393 transitions, 1728 flow [2021-11-19 04:47:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:47:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 04:47:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 830 transitions. [2021-11-19 04:47:30,197 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9741784037558685 [2021-11-19 04:47:30,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 830 transitions. [2021-11-19 04:47:30,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 830 transitions. [2021-11-19 04:47:30,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:30,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 830 transitions. [2021-11-19 04:47:30,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:30,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:30,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 284.0) internal successors, (1136), 4 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:30,203 INFO L186 Difference]: Start difference. First operand has 298 places, 453 transitions, 2250 flow. Second operand 3 states and 830 transitions. [2021-11-19 04:47:30,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 393 transitions, 1728 flow [2021-11-19 04:47:30,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 393 transitions, 1640 flow, removed 44 selfloop flow, removed 0 redundant places. [2021-11-19 04:47:30,224 INFO L242 Difference]: Finished difference. Result has 301 places, 391 transitions, 1620 flow [2021-11-19 04:47:30,225 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=1586, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1620, PETRI_PLACES=301, PETRI_TRANSITIONS=391} [2021-11-19 04:47:30,226 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 14 predicate places. [2021-11-19 04:47:30,226 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 391 transitions, 1620 flow [2021-11-19 04:47:30,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:30,227 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:30,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:30,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 04:47:30,228 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:30,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:30,228 INFO L85 PathProgramCache]: Analyzing trace with hash -564897035, now seen corresponding path program 1 times [2021-11-19 04:47:30,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:30,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297939248] [2021-11-19 04:47:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:30,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:30,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:30,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297939248] [2021-11-19 04:47:30,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297939248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:30,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:30,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:30,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312316219] [2021-11-19 04:47:30,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:30,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:30,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:30,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:30,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:30,380 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 284 [2021-11-19 04:47:30,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 391 transitions, 1620 flow. Second operand has 6 states, 6 states have (on average 179.16666666666666) internal successors, (1075), 6 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:30,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:30,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 284 [2021-11-19 04:47:30,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:31,944 INFO L129 PetriNetUnfolder]: 1230/4298 cut-off events. [2021-11-19 04:47:31,944 INFO L130 PetriNetUnfolder]: For 3311/3340 co-relation queries the response was YES. [2021-11-19 04:47:31,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10865 conditions, 4298 events. 1230/4298 cut-off events. For 3311/3340 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 33110 event pairs, 209 based on Foata normal form. 0/4124 useless extension candidates. Maximal degree in co-relation 10768. Up to 1159 conditions per place. [2021-11-19 04:47:31,978 INFO L132 encePairwiseOnDemand]: 265/284 looper letters, 376 selfloop transitions, 124 changer transitions 4/667 dead transitions. [2021-11-19 04:47:31,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 667 transitions, 4194 flow [2021-11-19 04:47:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1309 transitions. [2021-11-19 04:47:31,984 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7681924882629108 [2021-11-19 04:47:31,984 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1309 transitions. [2021-11-19 04:47:31,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1309 transitions. [2021-11-19 04:47:31,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:31,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1309 transitions. [2021-11-19 04:47:31,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 218.16666666666666) internal successors, (1309), 6 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:31,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:31,994 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:31,994 INFO L186 Difference]: Start difference. First operand has 301 places, 391 transitions, 1620 flow. Second operand 6 states and 1309 transitions. [2021-11-19 04:47:31,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 667 transitions, 4194 flow [2021-11-19 04:47:32,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 667 transitions, 4188 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-19 04:47:32,029 INFO L242 Difference]: Finished difference. Result has 309 places, 493 transitions, 2996 flow [2021-11-19 04:47:32,030 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=1612, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2996, PETRI_PLACES=309, PETRI_TRANSITIONS=493} [2021-11-19 04:47:32,031 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 22 predicate places. [2021-11-19 04:47:32,031 INFO L470 AbstractCegarLoop]: Abstraction has has 309 places, 493 transitions, 2996 flow [2021-11-19 04:47:32,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.16666666666666) internal successors, (1075), 6 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:32,031 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:32,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:32,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 04:47:32,032 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:32,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1567389854, now seen corresponding path program 1 times [2021-11-19 04:47:32,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:32,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907765974] [2021-11-19 04:47:32,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:32,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:32,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:32,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907765974] [2021-11-19 04:47:32,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907765974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:32,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:32,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:47:32,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060210059] [2021-11-19 04:47:32,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:32,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:47:32,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:32,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:47:32,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:47:32,161 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 284 [2021-11-19 04:47:32,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 493 transitions, 2996 flow. Second operand has 6 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:32,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:32,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 284 [2021-11-19 04:47:32,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:33,460 INFO L129 PetriNetUnfolder]: 1281/4362 cut-off events. [2021-11-19 04:47:33,461 INFO L130 PetriNetUnfolder]: For 6072/6113 co-relation queries the response was YES. [2021-11-19 04:47:33,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12640 conditions, 4362 events. 1281/4362 cut-off events. For 6072/6113 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 33385 event pairs, 469 based on Foata normal form. 0/4234 useless extension candidates. Maximal degree in co-relation 12540. Up to 2346 conditions per place. [2021-11-19 04:47:33,497 INFO L132 encePairwiseOnDemand]: 278/284 looper letters, 410 selfloop transitions, 17 changer transitions 0/592 dead transitions. [2021-11-19 04:47:33,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 592 transitions, 4440 flow [2021-11-19 04:47:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:47:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1212 transitions. [2021-11-19 04:47:33,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7112676056338029 [2021-11-19 04:47:33,503 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1212 transitions. [2021-11-19 04:47:33,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1212 transitions. [2021-11-19 04:47:33,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:33,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1212 transitions. [2021-11-19 04:47:33,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:33,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:33,512 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:33,512 INFO L186 Difference]: Start difference. First operand has 309 places, 493 transitions, 2996 flow. Second operand 6 states and 1212 transitions. [2021-11-19 04:47:33,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 592 transitions, 4440 flow [2021-11-19 04:47:33,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 592 transitions, 4422 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-19 04:47:33,552 INFO L242 Difference]: Finished difference. Result has 313 places, 492 transitions, 3010 flow [2021-11-19 04:47:33,553 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=2976, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3010, PETRI_PLACES=313, PETRI_TRANSITIONS=492} [2021-11-19 04:47:33,554 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 26 predicate places. [2021-11-19 04:47:33,554 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 492 transitions, 3010 flow [2021-11-19 04:47:33,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:33,554 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:33,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:33,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 04:47:33,555 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:33,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:33,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1360002224, now seen corresponding path program 1 times [2021-11-19 04:47:33,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:33,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021235492] [2021-11-19 04:47:33,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:33,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:34,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:34,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021235492] [2021-11-19 04:47:34,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021235492] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:34,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:34,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:47:34,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951321646] [2021-11-19 04:47:34,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:34,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:47:34,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:34,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:47:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:47:34,342 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 284 [2021-11-19 04:47:34,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 492 transitions, 3010 flow. Second operand has 22 states, 22 states have (on average 126.13636363636364) internal successors, (2775), 22 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:34,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:34,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 284 [2021-11-19 04:47:34,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:37,056 INFO L129 PetriNetUnfolder]: 1855/5686 cut-off events. [2021-11-19 04:47:37,056 INFO L130 PetriNetUnfolder]: For 6907/6907 co-relation queries the response was YES. [2021-11-19 04:47:37,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16563 conditions, 5686 events. 1855/5686 cut-off events. For 6907/6907 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 44467 event pairs, 173 based on Foata normal form. 15/5564 useless extension candidates. Maximal degree in co-relation 16441. Up to 1995 conditions per place. [2021-11-19 04:47:37,093 INFO L132 encePairwiseOnDemand]: 252/284 looper letters, 551 selfloop transitions, 127 changer transitions 1/792 dead transitions. [2021-11-19 04:47:37,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 792 transitions, 6124 flow [2021-11-19 04:47:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 04:47:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-11-19 04:47:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 4989 transitions. [2021-11-19 04:47:37,111 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.46228687916975536 [2021-11-19 04:47:37,112 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 4989 transitions. [2021-11-19 04:47:37,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 4989 transitions. [2021-11-19 04:47:37,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:37,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 4989 transitions. [2021-11-19 04:47:37,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 131.28947368421052) internal successors, (4989), 38 states have internal predecessors, (4989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:37,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 284.0) internal successors, (11076), 39 states have internal predecessors, (11076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:37,153 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 284.0) internal successors, (11076), 39 states have internal predecessors, (11076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:37,154 INFO L186 Difference]: Start difference. First operand has 313 places, 492 transitions, 3010 flow. Second operand 38 states and 4989 transitions. [2021-11-19 04:47:37,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 792 transitions, 6124 flow [2021-11-19 04:47:37,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 792 transitions, 6064 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-19 04:47:37,211 INFO L242 Difference]: Finished difference. Result has 360 places, 551 transitions, 3824 flow [2021-11-19 04:47:37,212 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=2976, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=3824, PETRI_PLACES=360, PETRI_TRANSITIONS=551} [2021-11-19 04:47:37,212 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 73 predicate places. [2021-11-19 04:47:37,213 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 551 transitions, 3824 flow [2021-11-19 04:47:37,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 126.13636363636364) internal successors, (2775), 22 states have internal predecessors, (2775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:37,214 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:37,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:37,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 04:47:37,215 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:37,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:37,215 INFO L85 PathProgramCache]: Analyzing trace with hash -746859207, now seen corresponding path program 1 times [2021-11-19 04:47:37,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:37,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491314950] [2021-11-19 04:47:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:37,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:38,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:38,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491314950] [2021-11-19 04:47:38,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491314950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:38,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:38,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:47:38,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359727678] [2021-11-19 04:47:38,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:38,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:47:38,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:38,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:47:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:47:38,291 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 284 [2021-11-19 04:47:38,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 551 transitions, 3824 flow. Second operand has 22 states, 22 states have (on average 129.04545454545453) internal successors, (2839), 22 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:38,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:38,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 284 [2021-11-19 04:47:38,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:42,335 INFO L129 PetriNetUnfolder]: 2214/6847 cut-off events. [2021-11-19 04:47:42,336 INFO L130 PetriNetUnfolder]: For 12905/12913 co-relation queries the response was YES. [2021-11-19 04:47:42,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22106 conditions, 6847 events. 2214/6847 cut-off events. For 12905/12913 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 56680 event pairs, 354 based on Foata normal form. 18/6710 useless extension candidates. Maximal degree in co-relation 21962. Up to 1702 conditions per place. [2021-11-19 04:47:42,389 INFO L132 encePairwiseOnDemand]: 246/284 looper letters, 708 selfloop transitions, 162 changer transitions 3/990 dead transitions. [2021-11-19 04:47:42,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 990 transitions, 8640 flow [2021-11-19 04:47:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 04:47:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-11-19 04:47:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4669 transitions. [2021-11-19 04:47:42,400 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.48353355426677713 [2021-11-19 04:47:42,400 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4669 transitions. [2021-11-19 04:47:42,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4669 transitions. [2021-11-19 04:47:42,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:42,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4669 transitions. [2021-11-19 04:47:42,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 137.3235294117647) internal successors, (4669), 34 states have internal predecessors, (4669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:42,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 284.0) internal successors, (9940), 35 states have internal predecessors, (9940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:42,430 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 284.0) internal successors, (9940), 35 states have internal predecessors, (9940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:42,430 INFO L186 Difference]: Start difference. First operand has 360 places, 551 transitions, 3824 flow. Second operand 34 states and 4669 transitions. [2021-11-19 04:47:42,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 990 transitions, 8640 flow [2021-11-19 04:47:42,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 990 transitions, 8505 flow, removed 53 selfloop flow, removed 11 redundant places. [2021-11-19 04:47:42,539 INFO L242 Difference]: Finished difference. Result has 392 places, 641 transitions, 5305 flow [2021-11-19 04:47:42,540 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=3742, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=5305, PETRI_PLACES=392, PETRI_TRANSITIONS=641} [2021-11-19 04:47:42,540 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 105 predicate places. [2021-11-19 04:47:42,540 INFO L470 AbstractCegarLoop]: Abstraction has has 392 places, 641 transitions, 5305 flow [2021-11-19 04:47:42,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 129.04545454545453) internal successors, (2839), 22 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:42,542 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:42,542 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:42,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 04:47:42,543 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:42,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:42,543 INFO L85 PathProgramCache]: Analyzing trace with hash -213510897, now seen corresponding path program 2 times [2021-11-19 04:47:42,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:42,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252762438] [2021-11-19 04:47:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:42,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:43,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:43,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252762438] [2021-11-19 04:47:43,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252762438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:43,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:43,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-19 04:47:43,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200616674] [2021-11-19 04:47:43,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:43,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 04:47:43,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:43,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 04:47:43,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2021-11-19 04:47:43,121 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 284 [2021-11-19 04:47:43,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 641 transitions, 5305 flow. Second operand has 19 states, 19 states have (on average 129.8421052631579) internal successors, (2467), 19 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:43,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:43,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 284 [2021-11-19 04:47:43,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:47,119 INFO L129 PetriNetUnfolder]: 2313/7109 cut-off events. [2021-11-19 04:47:47,119 INFO L130 PetriNetUnfolder]: For 18005/18015 co-relation queries the response was YES. [2021-11-19 04:47:47,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24595 conditions, 7109 events. 2313/7109 cut-off events. For 18005/18015 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 58959 event pairs, 220 based on Foata normal form. 25/6991 useless extension candidates. Maximal degree in co-relation 24436. Up to 1453 conditions per place. [2021-11-19 04:47:47,174 INFO L132 encePairwiseOnDemand]: 254/284 looper letters, 649 selfloop transitions, 187 changer transitions 3/956 dead transitions. [2021-11-19 04:47:47,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 956 transitions, 8999 flow [2021-11-19 04:47:47,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-19 04:47:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-11-19 04:47:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5012 transitions. [2021-11-19 04:47:47,183 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.476969927674153 [2021-11-19 04:47:47,183 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5012 transitions. [2021-11-19 04:47:47,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5012 transitions. [2021-11-19 04:47:47,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:47,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5012 transitions. [2021-11-19 04:47:47,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 135.45945945945945) internal successors, (5012), 37 states have internal predecessors, (5012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:47,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 284.0) internal successors, (10792), 38 states have internal predecessors, (10792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:47,345 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 284.0) internal successors, (10792), 38 states have internal predecessors, (10792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:47,345 INFO L186 Difference]: Start difference. First operand has 392 places, 641 transitions, 5305 flow. Second operand 37 states and 5012 transitions. [2021-11-19 04:47:47,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 956 transitions, 8999 flow [2021-11-19 04:47:47,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 956 transitions, 8918 flow, removed 17 selfloop flow, removed 15 redundant places. [2021-11-19 04:47:47,478 INFO L242 Difference]: Finished difference. Result has 424 places, 698 transitions, 6400 flow [2021-11-19 04:47:47,479 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=5249, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=6400, PETRI_PLACES=424, PETRI_TRANSITIONS=698} [2021-11-19 04:47:47,480 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 137 predicate places. [2021-11-19 04:47:47,480 INFO L470 AbstractCegarLoop]: Abstraction has has 424 places, 698 transitions, 6400 flow [2021-11-19 04:47:47,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 129.8421052631579) internal successors, (2467), 19 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:47,481 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:47,481 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:47,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 04:47:47,482 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:47,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1535150831, now seen corresponding path program 3 times [2021-11-19 04:47:47,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:47,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114181316] [2021-11-19 04:47:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:48,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:48,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114181316] [2021-11-19 04:47:48,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114181316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:48,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:48,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:47:48,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087875704] [2021-11-19 04:47:48,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:48,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:47:48,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:48,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:47:48,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:47:48,459 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 284 [2021-11-19 04:47:48,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 698 transitions, 6400 flow. Second operand has 22 states, 22 states have (on average 128.0909090909091) internal successors, (2818), 22 states have internal predecessors, (2818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:48,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:48,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 284 [2021-11-19 04:47:48,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:47:54,165 INFO L129 PetriNetUnfolder]: 2817/8471 cut-off events. [2021-11-19 04:47:54,165 INFO L130 PetriNetUnfolder]: For 28403/28415 co-relation queries the response was YES. [2021-11-19 04:47:54,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32043 conditions, 8471 events. 2817/8471 cut-off events. For 28403/28415 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 73235 event pairs, 299 based on Foata normal form. 27/8332 useless extension candidates. Maximal degree in co-relation 31873. Up to 1418 conditions per place. [2021-11-19 04:47:54,244 INFO L132 encePairwiseOnDemand]: 247/284 looper letters, 864 selfloop transitions, 240 changer transitions 4/1223 dead transitions. [2021-11-19 04:47:54,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1223 transitions, 12597 flow [2021-11-19 04:47:54,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-19 04:47:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-11-19 04:47:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5089 transitions. [2021-11-19 04:47:54,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4842976779596498 [2021-11-19 04:47:54,266 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5089 transitions. [2021-11-19 04:47:54,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5089 transitions. [2021-11-19 04:47:54,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:47:54,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5089 transitions. [2021-11-19 04:47:54,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 137.54054054054055) internal successors, (5089), 37 states have internal predecessors, (5089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:54,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 284.0) internal successors, (10792), 38 states have internal predecessors, (10792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:54,398 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 284.0) internal successors, (10792), 38 states have internal predecessors, (10792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:54,399 INFO L186 Difference]: Start difference. First operand has 424 places, 698 transitions, 6400 flow. Second operand 37 states and 5089 transitions. [2021-11-19 04:47:54,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1223 transitions, 12597 flow [2021-11-19 04:47:54,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 1223 transitions, 12476 flow, removed 14 selfloop flow, removed 18 redundant places. [2021-11-19 04:47:54,622 INFO L242 Difference]: Finished difference. Result has 453 places, 794 transitions, 8552 flow [2021-11-19 04:47:54,622 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=6298, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=8552, PETRI_PLACES=453, PETRI_TRANSITIONS=794} [2021-11-19 04:47:54,623 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 166 predicate places. [2021-11-19 04:47:54,623 INFO L470 AbstractCegarLoop]: Abstraction has has 453 places, 794 transitions, 8552 flow [2021-11-19 04:47:54,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 128.0909090909091) internal successors, (2818), 22 states have internal predecessors, (2818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:54,624 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:47:54,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:54,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 04:47:54,624 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:47:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:54,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1846034949, now seen corresponding path program 4 times [2021-11-19 04:47:54,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:54,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064092409] [2021-11-19 04:47:54,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:54,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:55,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:55,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064092409] [2021-11-19 04:47:55,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064092409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:55,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:55,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 04:47:55,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085703528] [2021-11-19 04:47:55,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:55,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 04:47:55,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:55,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 04:47:55,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2021-11-19 04:47:55,443 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 284 [2021-11-19 04:47:55,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 794 transitions, 8552 flow. Second operand has 20 states, 20 states have (on average 129.55) internal successors, (2591), 20 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:47:55,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:47:55,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 284 [2021-11-19 04:47:55,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:01,016 INFO L129 PetriNetUnfolder]: 3299/9899 cut-off events. [2021-11-19 04:48:01,017 INFO L130 PetriNetUnfolder]: For 46345/46359 co-relation queries the response was YES. [2021-11-19 04:48:01,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40002 conditions, 9899 events. 3299/9899 cut-off events. For 46345/46359 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 88780 event pairs, 427 based on Foata normal form. 29/9747 useless extension candidates. Maximal degree in co-relation 39818. Up to 1838 conditions per place. [2021-11-19 04:48:01,115 INFO L132 encePairwiseOnDemand]: 250/284 looper letters, 889 selfloop transitions, 281 changer transitions 3/1290 dead transitions. [2021-11-19 04:48:01,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 1290 transitions, 15320 flow [2021-11-19 04:48:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 04:48:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-11-19 04:48:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4710 transitions. [2021-11-19 04:48:01,122 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4877796188898094 [2021-11-19 04:48:01,122 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4710 transitions. [2021-11-19 04:48:01,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4710 transitions. [2021-11-19 04:48:01,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:01,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4710 transitions. [2021-11-19 04:48:01,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 138.52941176470588) internal successors, (4710), 34 states have internal predecessors, (4710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:01,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 284.0) internal successors, (9940), 35 states have internal predecessors, (9940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:01,144 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 284.0) internal successors, (9940), 35 states have internal predecessors, (9940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:01,144 INFO L186 Difference]: Start difference. First operand has 453 places, 794 transitions, 8552 flow. Second operand 34 states and 4710 transitions. [2021-11-19 04:48:01,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 1290 transitions, 15320 flow [2021-11-19 04:48:01,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 1290 transitions, 15234 flow, removed 15 selfloop flow, removed 15 redundant places. [2021-11-19 04:48:01,521 INFO L242 Difference]: Finished difference. Result has 484 places, 890 transitions, 11219 flow [2021-11-19 04:48:01,522 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=8484, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=794, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=11219, PETRI_PLACES=484, PETRI_TRANSITIONS=890} [2021-11-19 04:48:01,523 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 197 predicate places. [2021-11-19 04:48:01,523 INFO L470 AbstractCegarLoop]: Abstraction has has 484 places, 890 transitions, 11219 flow [2021-11-19 04:48:01,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 129.55) internal successors, (2591), 20 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:01,524 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:01,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:01,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 04:48:01,524 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:01,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:01,525 INFO L85 PathProgramCache]: Analyzing trace with hash -270843417, now seen corresponding path program 5 times [2021-11-19 04:48:01,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:01,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217132922] [2021-11-19 04:48:01,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:01,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:02,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:02,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217132922] [2021-11-19 04:48:02,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217132922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:02,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:02,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:48:02,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933665593] [2021-11-19 04:48:02,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:02,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:48:02,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:02,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:48:02,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:48:02,436 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 284 [2021-11-19 04:48:02,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 890 transitions, 11219 flow. Second operand has 22 states, 22 states have (on average 129.04545454545453) internal successors, (2839), 22 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:02,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:02,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 284 [2021-11-19 04:48:02,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:09,334 INFO L129 PetriNetUnfolder]: 3731/11183 cut-off events. [2021-11-19 04:48:09,334 INFO L130 PetriNetUnfolder]: For 68949/68963 co-relation queries the response was YES. [2021-11-19 04:48:09,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47912 conditions, 11183 events. 3731/11183 cut-off events. For 68949/68963 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 103677 event pairs, 547 based on Foata normal form. 29/11015 useless extension candidates. Maximal degree in co-relation 47711. Up to 2268 conditions per place. [2021-11-19 04:48:09,451 INFO L132 encePairwiseOnDemand]: 246/284 looper letters, 897 selfloop transitions, 337 changer transitions 3/1354 dead transitions. [2021-11-19 04:48:09,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 1354 transitions, 17943 flow [2021-11-19 04:48:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-19 04:48:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-11-19 04:48:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 5072 transitions. [2021-11-19 04:48:09,458 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.48267986296155313 [2021-11-19 04:48:09,459 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 5072 transitions. [2021-11-19 04:48:09,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 5072 transitions. [2021-11-19 04:48:09,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:09,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 5072 transitions. [2021-11-19 04:48:09,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 137.0810810810811) internal successors, (5072), 37 states have internal predecessors, (5072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:09,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 284.0) internal successors, (10792), 38 states have internal predecessors, (10792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:09,480 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 284.0) internal successors, (10792), 38 states have internal predecessors, (10792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:09,481 INFO L186 Difference]: Start difference. First operand has 484 places, 890 transitions, 11219 flow. Second operand 37 states and 5072 transitions. [2021-11-19 04:48:09,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 1354 transitions, 17943 flow [2021-11-19 04:48:10,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 1354 transitions, 17813 flow, removed 43 selfloop flow, removed 14 redundant places. [2021-11-19 04:48:10,091 INFO L242 Difference]: Finished difference. Result has 517 places, 966 transitions, 13974 flow [2021-11-19 04:48:10,092 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=11097, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=890, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=13974, PETRI_PLACES=517, PETRI_TRANSITIONS=966} [2021-11-19 04:48:10,093 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 230 predicate places. [2021-11-19 04:48:10,093 INFO L470 AbstractCegarLoop]: Abstraction has has 517 places, 966 transitions, 13974 flow [2021-11-19 04:48:10,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 129.04545454545453) internal successors, (2839), 22 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:10,094 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:10,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:10,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 04:48:10,094 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:10,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:10,095 INFO L85 PathProgramCache]: Analyzing trace with hash 114145699, now seen corresponding path program 1 times [2021-11-19 04:48:10,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:10,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161569155] [2021-11-19 04:48:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:10,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:10,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:10,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161569155] [2021-11-19 04:48:10,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161569155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:10,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:10,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:48:10,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561488186] [2021-11-19 04:48:10,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:10,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:48:10,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:10,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:48:10,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:48:10,210 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 284 [2021-11-19 04:48:10,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 966 transitions, 13974 flow. Second operand has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:10,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:10,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 284 [2021-11-19 04:48:10,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:14,935 INFO L129 PetriNetUnfolder]: 3030/10026 cut-off events. [2021-11-19 04:48:14,936 INFO L130 PetriNetUnfolder]: For 75112/75498 co-relation queries the response was YES. [2021-11-19 04:48:15,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44368 conditions, 10026 events. 3030/10026 cut-off events. For 75112/75498 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 95113 event pairs, 1027 based on Foata normal form. 124/9990 useless extension candidates. Maximal degree in co-relation 44172. Up to 5795 conditions per place. [2021-11-19 04:48:15,091 INFO L132 encePairwiseOnDemand]: 261/284 looper letters, 625 selfloop transitions, 97 changer transitions 106/1100 dead transitions. [2021-11-19 04:48:15,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1100 transitions, 16812 flow [2021-11-19 04:48:15,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:48:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-19 04:48:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1219 transitions. [2021-11-19 04:48:15,093 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7153755868544601 [2021-11-19 04:48:15,093 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1219 transitions. [2021-11-19 04:48:15,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1219 transitions. [2021-11-19 04:48:15,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:15,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1219 transitions. [2021-11-19 04:48:15,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.16666666666666) internal successors, (1219), 6 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:15,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:15,096 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 284.0) internal successors, (1988), 7 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:15,097 INFO L186 Difference]: Start difference. First operand has 517 places, 966 transitions, 13974 flow. Second operand 6 states and 1219 transitions. [2021-11-19 04:48:15,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1100 transitions, 16812 flow [2021-11-19 04:48:15,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 1100 transitions, 16667 flow, removed 43 selfloop flow, removed 19 redundant places. [2021-11-19 04:48:15,721 INFO L242 Difference]: Finished difference. Result has 508 places, 961 transitions, 13459 flow [2021-11-19 04:48:15,722 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=13829, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13459, PETRI_PLACES=508, PETRI_TRANSITIONS=961} [2021-11-19 04:48:15,722 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 221 predicate places. [2021-11-19 04:48:15,722 INFO L470 AbstractCegarLoop]: Abstraction has has 508 places, 961 transitions, 13459 flow [2021-11-19 04:48:15,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:15,723 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:15,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:15,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 04:48:15,723 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1887740384, now seen corresponding path program 1 times [2021-11-19 04:48:15,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:15,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032167928] [2021-11-19 04:48:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:15,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:16,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:16,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032167928] [2021-11-19 04:48:16,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032167928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:16,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:16,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:48:16,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293394351] [2021-11-19 04:48:16,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:16,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:48:16,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:16,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:48:16,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:48:16,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 284 [2021-11-19 04:48:16,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 961 transitions, 13459 flow. Second operand has 22 states, 22 states have (on average 128.3181818181818) internal successors, (2823), 22 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:16,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:16,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 284 [2021-11-19 04:48:16,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:23,850 INFO L129 PetriNetUnfolder]: 3688/10891 cut-off events. [2021-11-19 04:48:23,850 INFO L130 PetriNetUnfolder]: For 89449/89454 co-relation queries the response was YES. [2021-11-19 04:48:23,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51501 conditions, 10891 events. 3688/10891 cut-off events. For 89449/89454 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 98698 event pairs, 470 based on Foata normal form. 10/10803 useless extension candidates. Maximal degree in co-relation 51287. Up to 1999 conditions per place. [2021-11-19 04:48:24,154 INFO L132 encePairwiseOnDemand]: 251/284 looper letters, 876 selfloop transitions, 272 changer transitions 31/1294 dead transitions. [2021-11-19 04:48:24,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 1294 transitions, 18529 flow [2021-11-19 04:48:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 04:48:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-11-19 04:48:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 5109 transitions. [2021-11-19 04:48:24,160 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.47340622683469236 [2021-11-19 04:48:24,161 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 5109 transitions. [2021-11-19 04:48:24,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 5109 transitions. [2021-11-19 04:48:24,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:24,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 5109 transitions. [2021-11-19 04:48:24,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 134.44736842105263) internal successors, (5109), 38 states have internal predecessors, (5109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:24,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 284.0) internal successors, (11076), 39 states have internal predecessors, (11076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:24,184 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 284.0) internal successors, (11076), 39 states have internal predecessors, (11076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:24,184 INFO L186 Difference]: Start difference. First operand has 508 places, 961 transitions, 13459 flow. Second operand 38 states and 5109 transitions. [2021-11-19 04:48:24,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 1294 transitions, 18529 flow [2021-11-19 04:48:24,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 1294 transitions, 18001 flow, removed 196 selfloop flow, removed 11 redundant places. [2021-11-19 04:48:24,936 INFO L242 Difference]: Finished difference. Result has 513 places, 971 transitions, 13979 flow [2021-11-19 04:48:24,937 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=13085, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=262, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=13979, PETRI_PLACES=513, PETRI_TRANSITIONS=971} [2021-11-19 04:48:24,939 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 226 predicate places. [2021-11-19 04:48:24,939 INFO L470 AbstractCegarLoop]: Abstraction has has 513 places, 971 transitions, 13979 flow [2021-11-19 04:48:24,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 128.3181818181818) internal successors, (2823), 22 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:24,940 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:24,940 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:24,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 04:48:24,940 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:24,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2058630486, now seen corresponding path program 2 times [2021-11-19 04:48:24,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:24,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877292309] [2021-11-19 04:48:24,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:24,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:25,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:25,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877292309] [2021-11-19 04:48:25,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877292309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:25,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:25,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:48:25,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731123801] [2021-11-19 04:48:25,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:25,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:48:25,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:25,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:48:25,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:48:25,919 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 284 [2021-11-19 04:48:25,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 971 transitions, 13979 flow. Second operand has 22 states, 22 states have (on average 128.3181818181818) internal successors, (2823), 22 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:25,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:25,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 284 [2021-11-19 04:48:25,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:33,354 INFO L129 PetriNetUnfolder]: 3699/10811 cut-off events. [2021-11-19 04:48:33,354 INFO L130 PetriNetUnfolder]: For 98682/98687 co-relation queries the response was YES. [2021-11-19 04:48:33,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52762 conditions, 10811 events. 3699/10811 cut-off events. For 98682/98687 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 97295 event pairs, 493 based on Foata normal form. 10/10722 useless extension candidates. Maximal degree in co-relation 52548. Up to 1909 conditions per place. [2021-11-19 04:48:33,521 INFO L132 encePairwiseOnDemand]: 247/284 looper letters, 975 selfloop transitions, 298 changer transitions 31/1419 dead transitions. [2021-11-19 04:48:33,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 1419 transitions, 20284 flow [2021-11-19 04:48:33,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-19 04:48:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-11-19 04:48:33,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 4921 transitions. [2021-11-19 04:48:33,528 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.48131846635367764 [2021-11-19 04:48:33,529 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 4921 transitions. [2021-11-19 04:48:33,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 4921 transitions. [2021-11-19 04:48:33,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:33,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 4921 transitions. [2021-11-19 04:48:33,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 136.69444444444446) internal successors, (4921), 36 states have internal predecessors, (4921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:33,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 284.0) internal successors, (10508), 37 states have internal predecessors, (10508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:33,548 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 284.0) internal successors, (10508), 37 states have internal predecessors, (10508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:33,548 INFO L186 Difference]: Start difference. First operand has 513 places, 971 transitions, 13979 flow. Second operand 36 states and 4921 transitions. [2021-11-19 04:48:33,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 1419 transitions, 20284 flow [2021-11-19 04:48:34,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 1419 transitions, 19917 flow, removed 19 selfloop flow, removed 33 redundant places. [2021-11-19 04:48:34,229 INFO L242 Difference]: Finished difference. Result has 518 places, 991 transitions, 14754 flow [2021-11-19 04:48:34,231 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=13628, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=14754, PETRI_PLACES=518, PETRI_TRANSITIONS=991} [2021-11-19 04:48:34,231 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 231 predicate places. [2021-11-19 04:48:34,231 INFO L470 AbstractCegarLoop]: Abstraction has has 518 places, 991 transitions, 14754 flow [2021-11-19 04:48:34,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 128.3181818181818) internal successors, (2823), 22 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:34,232 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:34,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:34,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 04:48:34,233 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:34,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:34,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1376141814, now seen corresponding path program 3 times [2021-11-19 04:48:34,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:34,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158509760] [2021-11-19 04:48:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:34,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:35,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:35,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158509760] [2021-11-19 04:48:35,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158509760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:35,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:35,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:48:35,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480068001] [2021-11-19 04:48:35,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:35,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:48:35,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:35,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:48:35,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:48:35,022 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 284 [2021-11-19 04:48:35,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 991 transitions, 14754 flow. Second operand has 22 states, 22 states have (on average 128.3181818181818) internal successors, (2823), 22 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:35,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:35,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 284 [2021-11-19 04:48:35,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:41,664 INFO L129 PetriNetUnfolder]: 3731/11000 cut-off events. [2021-11-19 04:48:41,665 INFO L130 PetriNetUnfolder]: For 106521/106526 co-relation queries the response was YES. [2021-11-19 04:48:41,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54612 conditions, 11000 events. 3731/11000 cut-off events. For 106521/106526 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 99831 event pairs, 476 based on Foata normal form. 10/10909 useless extension candidates. Maximal degree in co-relation 54394. Up to 1999 conditions per place. [2021-11-19 04:48:41,859 INFO L132 encePairwiseOnDemand]: 250/284 looper letters, 885 selfloop transitions, 294 changer transitions 31/1325 dead transitions. [2021-11-19 04:48:41,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 1325 transitions, 19884 flow [2021-11-19 04:48:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-19 04:48:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-11-19 04:48:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 4856 transitions. [2021-11-19 04:48:41,868 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4749608763693271 [2021-11-19 04:48:41,868 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 4856 transitions. [2021-11-19 04:48:41,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 4856 transitions. [2021-11-19 04:48:41,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:41,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 4856 transitions. [2021-11-19 04:48:41,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 134.88888888888889) internal successors, (4856), 36 states have internal predecessors, (4856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:41,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 284.0) internal successors, (10508), 37 states have internal predecessors, (10508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:41,893 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 284.0) internal successors, (10508), 37 states have internal predecessors, (10508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:41,893 INFO L186 Difference]: Start difference. First operand has 518 places, 991 transitions, 14754 flow. Second operand 36 states and 4856 transitions. [2021-11-19 04:48:41,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 1325 transitions, 19884 flow [2021-11-19 04:48:42,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 1325 transitions, 19641 flow, removed 15 selfloop flow, removed 26 redundant places. [2021-11-19 04:48:42,810 INFO L242 Difference]: Finished difference. Result has 531 places, 1003 transitions, 15568 flow [2021-11-19 04:48:42,811 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=14511, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=15568, PETRI_PLACES=531, PETRI_TRANSITIONS=1003} [2021-11-19 04:48:42,812 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 244 predicate places. [2021-11-19 04:48:42,812 INFO L470 AbstractCegarLoop]: Abstraction has has 531 places, 1003 transitions, 15568 flow [2021-11-19 04:48:42,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 128.3181818181818) internal successors, (2823), 22 states have internal predecessors, (2823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:42,813 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:42,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:42,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 04:48:42,813 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:42,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash 738659406, now seen corresponding path program 4 times [2021-11-19 04:48:42,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:42,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750094237] [2021-11-19 04:48:42,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:42,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:43,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:43,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750094237] [2021-11-19 04:48:43,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750094237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:43,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:43,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-19 04:48:43,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647038036] [2021-11-19 04:48:43,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:43,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 04:48:43,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:43,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 04:48:43,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-11-19 04:48:43,725 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 284 [2021-11-19 04:48:43,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 1003 transitions, 15568 flow. Second operand has 20 states, 20 states have (on average 129.8) internal successors, (2596), 20 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:43,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:43,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 284 [2021-11-19 04:48:43,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:50,621 INFO L129 PetriNetUnfolder]: 3724/10902 cut-off events. [2021-11-19 04:48:50,621 INFO L130 PetriNetUnfolder]: For 120081/120085 co-relation queries the response was YES. [2021-11-19 04:48:50,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56295 conditions, 10902 events. 3724/10902 cut-off events. For 120081/120085 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 98672 event pairs, 613 based on Foata normal form. 9/10803 useless extension candidates. Maximal degree in co-relation 56071. Up to 2236 conditions per place. [2021-11-19 04:48:50,791 INFO L132 encePairwiseOnDemand]: 249/284 looper letters, 956 selfloop transitions, 278 changer transitions 29/1380 dead transitions. [2021-11-19 04:48:50,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 1380 transitions, 21241 flow [2021-11-19 04:48:50,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-19 04:48:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-11-19 04:48:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4672 transitions. [2021-11-19 04:48:50,796 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.48384424192212094 [2021-11-19 04:48:50,796 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 4672 transitions. [2021-11-19 04:48:50,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 4672 transitions. [2021-11-19 04:48:50,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:50,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 4672 transitions. [2021-11-19 04:48:50,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 137.41176470588235) internal successors, (4672), 34 states have internal predecessors, (4672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:50,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 284.0) internal successors, (9940), 35 states have internal predecessors, (9940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:50,813 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 284.0) internal successors, (9940), 35 states have internal predecessors, (9940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:50,813 INFO L186 Difference]: Start difference. First operand has 531 places, 1003 transitions, 15568 flow. Second operand 34 states and 4672 transitions. [2021-11-19 04:48:50,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 1380 transitions, 21241 flow [2021-11-19 04:48:51,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 1380 transitions, 20776 flow, removed 33 selfloop flow, removed 29 redundant places. [2021-11-19 04:48:51,614 INFO L242 Difference]: Finished difference. Result has 539 places, 1022 transitions, 16485 flow [2021-11-19 04:48:51,615 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=15132, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1003, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=725, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=16485, PETRI_PLACES=539, PETRI_TRANSITIONS=1022} [2021-11-19 04:48:51,616 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 252 predicate places. [2021-11-19 04:48:51,616 INFO L470 AbstractCegarLoop]: Abstraction has has 539 places, 1022 transitions, 16485 flow [2021-11-19 04:48:51,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 129.8) internal successors, (2596), 20 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:51,617 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:48:51,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:48:51,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-19 04:48:51,617 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:48:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:48:51,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1166778546, now seen corresponding path program 5 times [2021-11-19 04:48:51,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:48:51,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299128242] [2021-11-19 04:48:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:48:51,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:48:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:48:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:48:52,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:48:52,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299128242] [2021-11-19 04:48:52,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299128242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:48:52,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:48:52,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-19 04:48:52,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590361343] [2021-11-19 04:48:52,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:48:52,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 04:48:52,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:48:52,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 04:48:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2021-11-19 04:48:52,252 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 284 [2021-11-19 04:48:52,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 1022 transitions, 16485 flow. Second operand has 21 states, 21 states have (on average 128.57142857142858) internal successors, (2700), 21 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:52,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:48:52,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 284 [2021-11-19 04:48:52,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:48:59,682 INFO L129 PetriNetUnfolder]: 3758/11022 cut-off events. [2021-11-19 04:48:59,682 INFO L130 PetriNetUnfolder]: For 129688/129693 co-relation queries the response was YES. [2021-11-19 04:48:59,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57225 conditions, 11022 events. 3758/11022 cut-off events. For 129688/129693 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 100344 event pairs, 358 based on Foata normal form. 10/10957 useless extension candidates. Maximal degree in co-relation 56994. Up to 2064 conditions per place. [2021-11-19 04:48:59,837 INFO L132 encePairwiseOnDemand]: 249/284 looper letters, 885 selfloop transitions, 375 changer transitions 37/1412 dead transitions. [2021-11-19 04:48:59,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 1412 transitions, 21994 flow [2021-11-19 04:48:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-19 04:48:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-11-19 04:48:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 5812 transitions. [2021-11-19 04:48:59,844 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4759253193580085 [2021-11-19 04:48:59,844 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 5812 transitions. [2021-11-19 04:48:59,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 5812 transitions. [2021-11-19 04:48:59,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:48:59,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 5812 transitions. [2021-11-19 04:48:59,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 135.1627906976744) internal successors, (5812), 43 states have internal predecessors, (5812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:59,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 284.0) internal successors, (12496), 44 states have internal predecessors, (12496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:59,865 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 284.0) internal successors, (12496), 44 states have internal predecessors, (12496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:48:59,866 INFO L186 Difference]: Start difference. First operand has 539 places, 1022 transitions, 16485 flow. Second operand 43 states and 5812 transitions. [2021-11-19 04:48:59,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 1412 transitions, 21994 flow [2021-11-19 04:49:00,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 1412 transitions, 21556 flow, removed 49 selfloop flow, removed 29 redundant places. [2021-11-19 04:49:00,955 INFO L242 Difference]: Finished difference. Result has 561 places, 1058 transitions, 17646 flow [2021-11-19 04:49:00,956 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=16070, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1022, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=17646, PETRI_PLACES=561, PETRI_TRANSITIONS=1058} [2021-11-19 04:49:00,956 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 274 predicate places. [2021-11-19 04:49:00,956 INFO L470 AbstractCegarLoop]: Abstraction has has 561 places, 1058 transitions, 17646 flow [2021-11-19 04:49:00,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 128.57142857142858) internal successors, (2700), 21 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:00,957 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:00,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:00,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-19 04:49:00,957 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:49:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash -2075359255, now seen corresponding path program 1 times [2021-11-19 04:49:00,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:00,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035957873] [2021-11-19 04:49:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:00,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:01,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:01,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035957873] [2021-11-19 04:49:01,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035957873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:01,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:01,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-19 04:49:01,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884689654] [2021-11-19 04:49:01,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:01,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-19 04:49:01,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:01,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-19 04:49:01,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-11-19 04:49:01,996 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 284 [2021-11-19 04:49:01,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 1058 transitions, 17646 flow. Second operand has 25 states, 25 states have (on average 126.68) internal successors, (3167), 25 states have internal predecessors, (3167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:01,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:01,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 284 [2021-11-19 04:49:01,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:10,308 INFO L129 PetriNetUnfolder]: 4126/12214 cut-off events. [2021-11-19 04:49:10,308 INFO L130 PetriNetUnfolder]: For 154841/154846 co-relation queries the response was YES. [2021-11-19 04:49:10,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64074 conditions, 12214 events. 4126/12214 cut-off events. For 154841/154846 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 112319 event pairs, 825 based on Foata normal form. 17/12137 useless extension candidates. Maximal degree in co-relation 63838. Up to 2094 conditions per place. [2021-11-19 04:49:10,478 INFO L132 encePairwiseOnDemand]: 250/284 looper letters, 1199 selfloop transitions, 216 changer transitions 134/1663 dead transitions. [2021-11-19 04:49:10,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 1663 transitions, 27788 flow [2021-11-19 04:49:10,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-19 04:49:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-11-19 04:49:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 7637 transitions. [2021-11-19 04:49:10,484 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4636352598348713 [2021-11-19 04:49:10,484 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 7637 transitions. [2021-11-19 04:49:10,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 7637 transitions. [2021-11-19 04:49:10,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:10,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 7637 transitions. [2021-11-19 04:49:10,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 131.67241379310346) internal successors, (7637), 58 states have internal predecessors, (7637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:10,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 284.0) internal successors, (16756), 59 states have internal predecessors, (16756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:10,511 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 284.0) internal successors, (16756), 59 states have internal predecessors, (16756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:10,512 INFO L186 Difference]: Start difference. First operand has 561 places, 1058 transitions, 17646 flow. Second operand 58 states and 7637 transitions. [2021-11-19 04:49:10,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 1663 transitions, 27788 flow [2021-11-19 04:49:11,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 1663 transitions, 26975 flow, removed 173 selfloop flow, removed 37 redundant places. [2021-11-19 04:49:11,605 INFO L242 Difference]: Finished difference. Result has 593 places, 1111 transitions, 18056 flow [2021-11-19 04:49:11,606 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=17088, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=18056, PETRI_PLACES=593, PETRI_TRANSITIONS=1111} [2021-11-19 04:49:11,606 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 306 predicate places. [2021-11-19 04:49:11,607 INFO L470 AbstractCegarLoop]: Abstraction has has 593 places, 1111 transitions, 18056 flow [2021-11-19 04:49:11,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 126.68) internal successors, (3167), 25 states have internal predecessors, (3167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:11,607 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:11,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:11,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-19 04:49:11,608 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:49:11,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1440768097, now seen corresponding path program 2 times [2021-11-19 04:49:11,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:11,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434168817] [2021-11-19 04:49:11,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:11,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:12,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:12,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434168817] [2021-11-19 04:49:12,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434168817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:12,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:12,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-19 04:49:12,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782058475] [2021-11-19 04:49:12,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:12,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-19 04:49:12,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:12,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-19 04:49:12,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-11-19 04:49:12,617 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 284 [2021-11-19 04:49:12,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 1111 transitions, 18056 flow. Second operand has 25 states, 25 states have (on average 126.68) internal successors, (3167), 25 states have internal predecessors, (3167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:12,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:12,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 284 [2021-11-19 04:49:12,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:22,651 INFO L129 PetriNetUnfolder]: 4943/14354 cut-off events. [2021-11-19 04:49:22,652 INFO L130 PetriNetUnfolder]: For 183282/183289 co-relation queries the response was YES. [2021-11-19 04:49:22,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75613 conditions, 14354 events. 4943/14354 cut-off events. For 183282/183289 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 134965 event pairs, 1112 based on Foata normal form. 13/14251 useless extension candidates. Maximal degree in co-relation 75384. Up to 2094 conditions per place. [2021-11-19 04:49:22,850 INFO L132 encePairwiseOnDemand]: 243/284 looper letters, 1266 selfloop transitions, 272 changer transitions 44/1696 dead transitions. [2021-11-19 04:49:22,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 1696 transitions, 28560 flow [2021-11-19 04:49:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-19 04:49:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-11-19 04:49:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 6732 transitions. [2021-11-19 04:49:22,856 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4647887323943662 [2021-11-19 04:49:22,856 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 6732 transitions. [2021-11-19 04:49:22,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 6732 transitions. [2021-11-19 04:49:22,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:22,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 6732 transitions. [2021-11-19 04:49:22,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 132.0) internal successors, (6732), 51 states have internal predecessors, (6732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:22,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 284.0) internal successors, (14768), 52 states have internal predecessors, (14768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:22,878 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 284.0) internal successors, (14768), 52 states have internal predecessors, (14768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:22,878 INFO L186 Difference]: Start difference. First operand has 593 places, 1111 transitions, 18056 flow. Second operand 51 states and 6732 transitions. [2021-11-19 04:49:22,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 1696 transitions, 28560 flow [2021-11-19 04:49:24,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 1696 transitions, 28338 flow, removed 22 selfloop flow, removed 25 redundant places. [2021-11-19 04:49:24,054 INFO L242 Difference]: Finished difference. Result has 618 places, 1203 transitions, 20741 flow [2021-11-19 04:49:24,056 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=17866, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=868, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=20741, PETRI_PLACES=618, PETRI_TRANSITIONS=1203} [2021-11-19 04:49:24,056 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 331 predicate places. [2021-11-19 04:49:24,057 INFO L470 AbstractCegarLoop]: Abstraction has has 618 places, 1203 transitions, 20741 flow [2021-11-19 04:49:24,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 126.68) internal successors, (3167), 25 states have internal predecessors, (3167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:24,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:24,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:24,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-19 04:49:24,058 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:49:24,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:24,058 INFO L85 PathProgramCache]: Analyzing trace with hash 893494582, now seen corresponding path program 1 times [2021-11-19 04:49:24,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:24,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443867960] [2021-11-19 04:49:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:24,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:24,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:24,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443867960] [2021-11-19 04:49:24,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443867960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:24,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:24,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:49:24,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139081070] [2021-11-19 04:49:24,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:24,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 04:49:24,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:24,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 04:49:24,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2021-11-19 04:49:24,959 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 284 [2021-11-19 04:49:24,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 1203 transitions, 20741 flow. Second operand has 22 states, 22 states have (on average 125.36363636363636) internal successors, (2758), 22 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:24,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:24,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 284 [2021-11-19 04:49:24,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:34,864 INFO L129 PetriNetUnfolder]: 5169/14836 cut-off events. [2021-11-19 04:49:34,864 INFO L130 PetriNetUnfolder]: For 193235/193242 co-relation queries the response was YES. [2021-11-19 04:49:35,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78711 conditions, 14836 events. 5169/14836 cut-off events. For 193235/193242 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 140058 event pairs, 1035 based on Foata normal form. 23/14722 useless extension candidates. Maximal degree in co-relation 78467. Up to 2475 conditions per place. [2021-11-19 04:49:35,119 INFO L132 encePairwiseOnDemand]: 244/284 looper letters, 1088 selfloop transitions, 300 changer transitions 84/1584 dead transitions. [2021-11-19 04:49:35,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 1584 transitions, 28676 flow [2021-11-19 04:49:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 04:49:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-11-19 04:49:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 5399 transitions. [2021-11-19 04:49:35,123 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4636722775678461 [2021-11-19 04:49:35,123 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 5399 transitions. [2021-11-19 04:49:35,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 5399 transitions. [2021-11-19 04:49:35,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:35,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 5399 transitions. [2021-11-19 04:49:35,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 131.6829268292683) internal successors, (5399), 41 states have internal predecessors, (5399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:35,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 284.0) internal successors, (11928), 42 states have internal predecessors, (11928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:35,139 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 284.0) internal successors, (11928), 42 states have internal predecessors, (11928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:35,140 INFO L186 Difference]: Start difference. First operand has 618 places, 1203 transitions, 20741 flow. Second operand 41 states and 5399 transitions. [2021-11-19 04:49:35,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 1584 transitions, 28676 flow [2021-11-19 04:49:36,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 1584 transitions, 28354 flow, removed 43 selfloop flow, removed 24 redundant places. [2021-11-19 04:49:36,443 INFO L242 Difference]: Finished difference. Result has 644 places, 1228 transitions, 21906 flow [2021-11-19 04:49:36,444 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=284, PETRI_DIFFERENCE_MINUEND_FLOW=20455, PETRI_DIFFERENCE_MINUEND_PLACES=594, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=275, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=923, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=21906, PETRI_PLACES=644, PETRI_TRANSITIONS=1228} [2021-11-19 04:49:36,445 INFO L334 CegarLoopForPetriNet]: 287 programPoint places, 357 predicate places. [2021-11-19 04:49:36,445 INFO L470 AbstractCegarLoop]: Abstraction has has 644 places, 1228 transitions, 21906 flow [2021-11-19 04:49:36,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 125.36363636363636) internal successors, (2758), 22 states have internal predecessors, (2758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:36,446 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:36,446 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:36,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-19 04:49:36,446 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2021-11-19 04:49:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash -268468283, now seen corresponding path program 3 times [2021-11-19 04:49:36,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:36,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257984231] [2021-11-19 04:49:36,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:36,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:37,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:37,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257984231] [2021-11-19 04:49:37,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257984231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:37,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:37,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-19 04:49:37,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286881955] [2021-11-19 04:49:37,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:37,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 04:49:37,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:37,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 04:49:37,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-11-19 04:49:37,474 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 284 [2021-11-19 04:49:37,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 1228 transitions, 21906 flow. Second operand has 24 states, 24 states have (on average 126.875) internal successors, (3045), 24 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:37,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:37,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 284 [2021-11-19 04:49:37,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand