./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa --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 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:17:35,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:17:35,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:17:35,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:17:35,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:17:35,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:17:35,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:17:35,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:17:35,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:17:35,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:17:35,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:17:35,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:17:35,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:17:35,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:17:35,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:17:35,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:17:35,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:17:35,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:17:35,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:17:35,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:17:35,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:17:35,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:17:35,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:17:35,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:17:35,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:17:35,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:17:35,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:17:35,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:17:35,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:17:35,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:17:35,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:17:35,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:17:35,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:17:35,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:17:35,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:17:35,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:17:35,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:17:35,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:17:35,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:17:35,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:17:35,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:17:35,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 22:17:35,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:17:35,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:17:35,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:17:35,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:17:35,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:17:35,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:17:35,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:17:35,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:17:35,171 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:17:35,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:17:35,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:17:35,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:17:35,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:17:35,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:17:35,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:17:35,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:17:35,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:17:35,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:17:35,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:17:35,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:17:35,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:17:35,174 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_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573c853979782f78b60122afde2824ab47c3f9d6394b4ee74285d458320f7321 [2021-12-06 22:17:35,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:17:35,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:17:35,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:17:35,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:17:35,362 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:17:35,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2021-12-06 22:17:35,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/data/23c0d1c7e/c93a77bf72dc443391a16ab534ecac68/FLAG6afde64da [2021-12-06 22:17:35,866 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:17:35,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2021-12-06 22:17:35,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/data/23c0d1c7e/c93a77bf72dc443391a16ab534ecac68/FLAG6afde64da [2021-12-06 22:17:36,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/data/23c0d1c7e/c93a77bf72dc443391a16ab534ecac68 [2021-12-06 22:17:36,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:17:36,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:17:36,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:17:36,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:17:36,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:17:36,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73853289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36, skipping insertion in model container [2021-12-06 22:17:36,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:17:36,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:17:36,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:17:36,781 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:17:36,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:17:36,877 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:17:36,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36 WrapperNode [2021-12-06 22:17:36,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:17:36,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:17:36,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:17:36,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:17:36,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,941 INFO L137 Inliner]: procedures = 371, calls = 46, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 423 [2021-12-06 22:17:36,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:17:36,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:17:36,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:17:36,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:17:36,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:36,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:17:36,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:17:36,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:17:36,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:17:37,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (1/1) ... [2021-12-06 22:17:37,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:17:37,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:37,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:17:37,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 22:17:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:17:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:17:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:17:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 22:17:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 22:17:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:17:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:17:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:17:37,065 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 22:17:37,165 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:17:37,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:17:37,638 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:17:37,647 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:17:37,647 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:17:37,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:17:37 BoogieIcfgContainer [2021-12-06 22:17:37,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:17:37,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:17:37,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:17:37,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:17:37,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:17:36" (1/3) ... [2021-12-06 22:17:37,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d784d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:17:37, skipping insertion in model container [2021-12-06 22:17:37,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:36" (2/3) ... [2021-12-06 22:17:37,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d784d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:17:37, skipping insertion in model container [2021-12-06 22:17:37,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:17:37" (3/3) ... [2021-12-06 22:17:37,655 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2021-12-06 22:17:37,659 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 22:17:37,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:17:37,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2021-12-06 22:17:37,659 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 22:17:37,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,720 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,725 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,726 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~mem33#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~malloc30#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~list#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_new_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~node#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~list#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_~temp~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~ret38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_list_add_#in~node#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:17:37,789 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 22:17:37,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:17:37,837 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 [2021-12-06 22:17:37,837 INFO L340 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2021-12-06 22:17:37,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 513 places, 514 transitions, 1033 flow [2021-12-06 22:17:37,968 INFO L129 PetriNetUnfolder]: 5/513 cut-off events. [2021-12-06 22:17:37,969 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:17:37,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 513 events. 5/513 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 131 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 387. Up to 2 conditions per place. [2021-12-06 22:17:37,974 INFO L82 GeneralOperation]: Start removeDead. Operand has 513 places, 514 transitions, 1033 flow [2021-12-06 22:17:37,983 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 512 places, 513 transitions, 1029 flow [2021-12-06 22:17:37,991 INFO L129 PetriNetUnfolder]: 4/66 cut-off events. [2021-12-06 22:17:37,991 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:17:37,991 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:37,991 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] [2021-12-06 22:17:37,992 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:37,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:37,996 INFO L85 PathProgramCache]: Analyzing trace with hash -759658408, now seen corresponding path program 1 times [2021-12-06 22:17:38,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:38,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628400545] [2021-12-06 22:17:38,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:38,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:38,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:38,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628400545] [2021-12-06 22:17:38,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628400545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:38,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:38,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:17:38,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324304359] [2021-12-06 22:17:38,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:38,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:17:38,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:38,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:17:38,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:17:38,213 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 514 [2021-12-06 22:17:38,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 513 transitions, 1029 flow. Second operand has 3 states, 3 states have (on average 503.0) internal successors, (1509), 3 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:38,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 514 [2021-12-06 22:17:38,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:38,317 INFO L129 PetriNetUnfolder]: 1/513 cut-off events. [2021-12-06 22:17:38,317 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 22:17:38,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 513 events. 1/513 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 147 event pairs, 0 based on Foata normal form. 3/475 useless extension candidates. Maximal degree in co-relation 399. Up to 9 conditions per place. [2021-12-06 22:17:38,320 INFO L132 encePairwiseOnDemand]: 507/514 looper letters, 10 selfloop transitions, 2 changer transitions 2/513 dead transitions. [2021-12-06 22:17:38,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 513 transitions, 1053 flow [2021-12-06 22:17:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:17:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:17:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2021-12-06 22:17:38,336 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9883268482490273 [2021-12-06 22:17:38,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1524 transitions. [2021-12-06 22:17:38,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1524 transitions. [2021-12-06 22:17:38,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:38,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1524 transitions. [2021-12-06 22:17:38,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 514.0) internal successors, (2056), 4 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,359 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 514.0) internal successors, (2056), 4 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,361 INFO L186 Difference]: Start difference. First operand has 512 places, 513 transitions, 1029 flow. Second operand 3 states and 1524 transitions. [2021-12-06 22:17:38,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 513 transitions, 1053 flow [2021-12-06 22:17:38,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 513 transitions, 1052 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 22:17:38,376 INFO L242 Difference]: Finished difference. Result has 514 places, 508 transitions, 1028 flow [2021-12-06 22:17:38,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1028, PETRI_PLACES=514, PETRI_TRANSITIONS=508} [2021-12-06 22:17:38,382 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 2 predicate places. [2021-12-06 22:17:38,382 INFO L470 AbstractCegarLoop]: Abstraction has has 514 places, 508 transitions, 1028 flow [2021-12-06 22:17:38,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 503.0) internal successors, (1509), 3 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,383 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:38,383 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] [2021-12-06 22:17:38,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:17:38,384 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:38,384 INFO L85 PathProgramCache]: Analyzing trace with hash 470193548, now seen corresponding path program 1 times [2021-12-06 22:17:38,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:38,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402084315] [2021-12-06 22:17:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:38,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:38,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:38,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:38,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402084315] [2021-12-06 22:17:38,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402084315] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:17:38,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567986029] [2021-12-06 22:17:38,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:38,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:38,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:38,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:38,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:17:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:38,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:17:38,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:17:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:38,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:17:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:38,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567986029] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:17:38,714 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:17:38,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 22:17:38,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301912892] [2021-12-06 22:17:38,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:17:38,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:17:38,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:38,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:17:38,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:17:38,722 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 514 [2021-12-06 22:17:38,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 508 transitions, 1028 flow. Second operand has 10 states, 10 states have (on average 503.0) internal successors, (5030), 10 states have internal predecessors, (5030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:38,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 514 [2021-12-06 22:17:38,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:38,850 INFO L129 PetriNetUnfolder]: 1/518 cut-off events. [2021-12-06 22:17:38,850 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 22:17:38,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 518 events. 1/518 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 138 event pairs, 0 based on Foata normal form. 2/482 useless extension candidates. Maximal degree in co-relation 513. Up to 6 conditions per place. [2021-12-06 22:17:38,852 INFO L132 encePairwiseOnDemand]: 508/514 looper letters, 11 selfloop transitions, 9 changer transitions 0/518 dead transitions. [2021-12-06 22:17:38,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 518 transitions, 1090 flow [2021-12-06 22:17:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:17:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 22:17:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4531 transitions. [2021-12-06 22:17:38,862 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9794638996973627 [2021-12-06 22:17:38,862 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4531 transitions. [2021-12-06 22:17:38,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4531 transitions. [2021-12-06 22:17:38,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:38,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4531 transitions. [2021-12-06 22:17:38,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 503.44444444444446) internal successors, (4531), 9 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 514.0) internal successors, (5140), 10 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,888 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 514.0) internal successors, (5140), 10 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,888 INFO L186 Difference]: Start difference. First operand has 514 places, 508 transitions, 1028 flow. Second operand 9 states and 4531 transitions. [2021-12-06 22:17:38,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 518 transitions, 1090 flow [2021-12-06 22:17:38,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 518 transitions, 1088 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 22:17:38,905 INFO L242 Difference]: Finished difference. Result has 522 places, 514 transitions, 1076 flow [2021-12-06 22:17:38,906 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1076, PETRI_PLACES=522, PETRI_TRANSITIONS=514} [2021-12-06 22:17:38,907 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 10 predicate places. [2021-12-06 22:17:38,907 INFO L470 AbstractCegarLoop]: Abstraction has has 522 places, 514 transitions, 1076 flow [2021-12-06 22:17:38,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 503.0) internal successors, (5030), 10 states have internal predecessors, (5030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:38,910 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:38,910 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:38,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:17:39,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-06 22:17:39,112 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:39,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:39,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1451934988, now seen corresponding path program 2 times [2021-12-06 22:17:39,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:39,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225657542] [2021-12-06 22:17:39,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:39,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:39,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225657542] [2021-12-06 22:17:39,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225657542] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:17:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452991401] [2021-12-06 22:17:39,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:17:39,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:39,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:39,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:39,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:17:39,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:17:39,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:17:39,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 22:17:39,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:17:39,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 22:17:39,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 22:17:39,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:17:39,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 22:17:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:17:39,450 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:17:39,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2021-12-06 22:17:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-06 22:17:39,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:17:39,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452991401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:39,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:17:39,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2021-12-06 22:17:39,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672308267] [2021-12-06 22:17:39,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:39,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:17:39,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:39,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:17:39,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:17:39,476 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 514 [2021-12-06 22:17:39,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 514 transitions, 1076 flow. Second operand has 8 states, 8 states have (on average 243.375) internal successors, (1947), 8 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:39,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:39,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 514 [2021-12-06 22:17:39,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:40,526 INFO L129 PetriNetUnfolder]: 649/2351 cut-off events. [2021-12-06 22:17:40,526 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-06 22:17:40,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3943 conditions, 2351 events. 649/2351 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 11540 event pairs, 648 based on Foata normal form. 0/2085 useless extension candidates. Maximal degree in co-relation 3879. Up to 1519 conditions per place. [2021-12-06 22:17:40,545 INFO L132 encePairwiseOnDemand]: 465/514 looper letters, 219 selfloop transitions, 44 changer transitions 0/509 dead transitions. [2021-12-06 22:17:40,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 509 transitions, 1592 flow [2021-12-06 22:17:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:17:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 22:17:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2446 transitions. [2021-12-06 22:17:40,552 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5287505404236922 [2021-12-06 22:17:40,552 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2446 transitions. [2021-12-06 22:17:40,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2446 transitions. [2021-12-06 22:17:40,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:40,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2446 transitions. [2021-12-06 22:17:40,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 271.77777777777777) internal successors, (2446), 9 states have internal predecessors, (2446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:40,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 514.0) internal successors, (5140), 10 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:40,570 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 514.0) internal successors, (5140), 10 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:40,570 INFO L186 Difference]: Start difference. First operand has 522 places, 514 transitions, 1076 flow. Second operand 9 states and 2446 transitions. [2021-12-06 22:17:40,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 509 transitions, 1592 flow [2021-12-06 22:17:40,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 509 transitions, 1586 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 22:17:40,581 INFO L242 Difference]: Finished difference. Result has 524 places, 509 transitions, 1148 flow [2021-12-06 22:17:40,582 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1148, PETRI_PLACES=524, PETRI_TRANSITIONS=509} [2021-12-06 22:17:40,582 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 12 predicate places. [2021-12-06 22:17:40,582 INFO L470 AbstractCegarLoop]: Abstraction has has 524 places, 509 transitions, 1148 flow [2021-12-06 22:17:40,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 243.375) internal successors, (1947), 8 states have internal predecessors, (1947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:40,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:40,584 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:40,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:17:40,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:40,786 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash 785550879, now seen corresponding path program 1 times [2021-12-06 22:17:40,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:40,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739521307] [2021-12-06 22:17:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:40,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:40,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:40,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739521307] [2021-12-06 22:17:40,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739521307] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:17:40,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915048166] [2021-12-06 22:17:40,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:40,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:40,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:40,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:40,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:17:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:41,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:17:41,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:17:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:41,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:17:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:41,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915048166] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:17:41,261 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:17:41,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-06 22:17:41,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370832293] [2021-12-06 22:17:41,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:17:41,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:17:41,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:41,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:17:41,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:17:41,268 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 514 [2021-12-06 22:17:41,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 509 transitions, 1148 flow. Second operand has 18 states, 18 states have (on average 503.22222222222223) internal successors, (9058), 18 states have internal predecessors, (9058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:41,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:41,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 514 [2021-12-06 22:17:41,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:41,451 INFO L129 PetriNetUnfolder]: 1/533 cut-off events. [2021-12-06 22:17:41,451 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 22:17:41,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 533 events. 1/533 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 130 event pairs, 0 based on Foata normal form. 4/504 useless extension candidates. Maximal degree in co-relation 167. Up to 11 conditions per place. [2021-12-06 22:17:41,453 INFO L132 encePairwiseOnDemand]: 508/514 looper letters, 19 selfloop transitions, 21 changer transitions 0/533 dead transitions. [2021-12-06 22:17:41,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 533 transitions, 1328 flow [2021-12-06 22:17:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 22:17:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 22:17:41,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 10565 transitions. [2021-12-06 22:17:41,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9787845099129145 [2021-12-06 22:17:41,476 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 10565 transitions. [2021-12-06 22:17:41,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 10565 transitions. [2021-12-06 22:17:41,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:41,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 10565 transitions. [2021-12-06 22:17:41,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 503.0952380952381) internal successors, (10565), 21 states have internal predecessors, (10565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:41,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 514.0) internal successors, (11308), 22 states have internal predecessors, (11308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:41,530 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 514.0) internal successors, (11308), 22 states have internal predecessors, (11308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:41,531 INFO L186 Difference]: Start difference. First operand has 524 places, 509 transitions, 1148 flow. Second operand 21 states and 10565 transitions. [2021-12-06 22:17:41,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 533 transitions, 1328 flow [2021-12-06 22:17:41,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 533 transitions, 1240 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-12-06 22:17:41,542 INFO L242 Difference]: Finished difference. Result has 541 places, 522 transitions, 1190 flow [2021-12-06 22:17:41,543 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1190, PETRI_PLACES=541, PETRI_TRANSITIONS=522} [2021-12-06 22:17:41,543 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 29 predicate places. [2021-12-06 22:17:41,544 INFO L470 AbstractCegarLoop]: Abstraction has has 541 places, 522 transitions, 1190 flow [2021-12-06 22:17:41,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 503.22222222222223) internal successors, (9058), 18 states have internal predecessors, (9058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:41,546 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:41,546 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:41,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 22:17:41,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:41,748 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:41,751 INFO L85 PathProgramCache]: Analyzing trace with hash -857486049, now seen corresponding path program 2 times [2021-12-06 22:17:41,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:41,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871156299] [2021-12-06 22:17:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:41,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:41,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:41,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871156299] [2021-12-06 22:17:41,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871156299] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:17:41,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688235573] [2021-12-06 22:17:41,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:17:41,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:41,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:42,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:17:42,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:17:42,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:17:42,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 22:17:42,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:17:42,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:17:42,173 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 22:17:42,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-12-06 22:17:42,199 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 22:17:42,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-12-06 22:17:42,233 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 22:17:42,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-12-06 22:17:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-06 22:17:42,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:17:42,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688235573] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:42,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:17:42,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2021-12-06 22:17:42,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106957737] [2021-12-06 22:17:42,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:42,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:42,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:42,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:42,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:17:42,254 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 514 [2021-12-06 22:17:42,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 522 transitions, 1190 flow. Second operand has 6 states, 6 states have (on average 254.5) internal successors, (1527), 6 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:42,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:42,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 514 [2021-12-06 22:17:42,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:43,083 INFO L129 PetriNetUnfolder]: 649/2366 cut-off events. [2021-12-06 22:17:43,083 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-12-06 22:17:43,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4006 conditions, 2366 events. 649/2366 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 11557 event pairs, 648 based on Foata normal form. 0/2105 useless extension candidates. Maximal degree in co-relation 3863. Up to 1520 conditions per place. [2021-12-06 22:17:43,094 INFO L132 encePairwiseOnDemand]: 484/514 looper letters, 223 selfloop transitions, 25 changer transitions 0/517 dead transitions. [2021-12-06 22:17:43,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 517 transitions, 1676 flow [2021-12-06 22:17:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1765 transitions. [2021-12-06 22:17:43,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5723086900129701 [2021-12-06 22:17:43,099 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1765 transitions. [2021-12-06 22:17:43,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1765 transitions. [2021-12-06 22:17:43,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:43,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1765 transitions. [2021-12-06 22:17:43,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 294.1666666666667) internal successors, (1765), 6 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:43,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:43,108 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:43,108 INFO L186 Difference]: Start difference. First operand has 541 places, 522 transitions, 1190 flow. Second operand 6 states and 1765 transitions. [2021-12-06 22:17:43,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 517 transitions, 1676 flow [2021-12-06 22:17:43,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 517 transitions, 1652 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-06 22:17:43,118 INFO L242 Difference]: Finished difference. Result has 535 places, 517 transitions, 1206 flow [2021-12-06 22:17:43,119 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1156, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1206, PETRI_PLACES=535, PETRI_TRANSITIONS=517} [2021-12-06 22:17:43,120 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 23 predicate places. [2021-12-06 22:17:43,120 INFO L470 AbstractCegarLoop]: Abstraction has has 535 places, 517 transitions, 1206 flow [2021-12-06 22:17:43,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.5) internal successors, (1527), 6 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:43,120 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:43,121 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:43,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-06 22:17:43,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:43,322 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:43,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:43,322 INFO L85 PathProgramCache]: Analyzing trace with hash 263191692, now seen corresponding path program 1 times [2021-12-06 22:17:43,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:43,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201104299] [2021-12-06 22:17:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:43,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:43,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:43,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201104299] [2021-12-06 22:17:43,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201104299] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:17:43,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577982037] [2021-12-06 22:17:43,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:43,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:17:43,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:43,464 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:17:43,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:17:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:43,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 22:17:43,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:17:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:43,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:17:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:43,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577982037] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:17:43,796 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:17:43,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-12-06 22:17:43,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987736971] [2021-12-06 22:17:43,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:17:43,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-06 22:17:43,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:43,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-06 22:17:43,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-12-06 22:17:43,805 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 514 [2021-12-06 22:17:43,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 517 transitions, 1206 flow. Second operand has 23 states, 23 states have (on average 503.39130434782606) internal successors, (11578), 23 states have internal predecessors, (11578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:43,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:43,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 514 [2021-12-06 22:17:43,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:44,047 INFO L129 PetriNetUnfolder]: 1/543 cut-off events. [2021-12-06 22:17:44,047 INFO L130 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2021-12-06 22:17:44,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 543 events. 1/543 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 123 event pairs, 0 based on Foata normal form. 3/518 useless extension candidates. Maximal degree in co-relation 268. Up to 16 conditions per place. [2021-12-06 22:17:44,049 INFO L132 encePairwiseOnDemand]: 508/514 looper letters, 25 selfloop transitions, 30 changer transitions 0/543 dead transitions. [2021-12-06 22:17:44,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 543 transitions, 1456 flow [2021-12-06 22:17:44,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 22:17:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-12-06 22:17:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 15088 transitions. [2021-12-06 22:17:44,073 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9784695201037613 [2021-12-06 22:17:44,073 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 15088 transitions. [2021-12-06 22:17:44,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 15088 transitions. [2021-12-06 22:17:44,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:44,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 15088 transitions. [2021-12-06 22:17:44,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 502.93333333333334) internal successors, (15088), 30 states have internal predecessors, (15088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:44,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 514.0) internal successors, (15934), 31 states have internal predecessors, (15934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:44,121 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 514.0) internal successors, (15934), 31 states have internal predecessors, (15934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:44,121 INFO L186 Difference]: Start difference. First operand has 535 places, 517 transitions, 1206 flow. Second operand 30 states and 15088 transitions. [2021-12-06 22:17:44,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 543 transitions, 1456 flow [2021-12-06 22:17:44,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 543 transitions, 1406 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:44,131 INFO L242 Difference]: Finished difference. Result has 563 places, 527 transitions, 1308 flow [2021-12-06 22:17:44,132 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1156, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1308, PETRI_PLACES=563, PETRI_TRANSITIONS=527} [2021-12-06 22:17:44,133 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 51 predicate places. [2021-12-06 22:17:44,133 INFO L470 AbstractCegarLoop]: Abstraction has has 563 places, 527 transitions, 1308 flow [2021-12-06 22:17:44,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 503.39130434782606) internal successors, (11578), 23 states have internal predecessors, (11578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:44,134 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:44,134 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:44,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 22:17:44,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fb250d-b656-4ed9-b1fc-b6eb21c93082/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 22:17:44,335 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:44,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:44,336 INFO L85 PathProgramCache]: Analyzing trace with hash 357116480, now seen corresponding path program 2 times [2021-12-06 22:17:44,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:44,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559160301] [2021-12-06 22:17:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:44,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:44,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:44,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559160301] [2021-12-06 22:17:44,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559160301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:44,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:44,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:44,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136535704] [2021-12-06 22:17:44,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:44,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:44,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:44,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:44,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:44,472 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 514 [2021-12-06 22:17:44,473 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 527 transitions, 1308 flow. Second operand has 6 states, 6 states have (on average 273.6666666666667) internal successors, (1642), 6 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:44,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:44,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 514 [2021-12-06 22:17:44,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:45,298 INFO L129 PetriNetUnfolder]: 778/2698 cut-off events. [2021-12-06 22:17:45,298 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-12-06 22:17:45,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2698 events. 778/2698 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13739 event pairs, 777 based on Foata normal form. 0/2413 useless extension candidates. Maximal degree in co-relation 4422. Up to 1779 conditions per place. [2021-12-06 22:17:45,312 INFO L132 encePairwiseOnDemand]: 508/514 looper letters, 224 selfloop transitions, 5 changer transitions 0/526 dead transitions. [2021-12-06 22:17:45,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 526 transitions, 1764 flow [2021-12-06 22:17:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1850 transitions. [2021-12-06 22:17:45,317 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5998702983138781 [2021-12-06 22:17:45,317 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1850 transitions. [2021-12-06 22:17:45,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1850 transitions. [2021-12-06 22:17:45,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:45,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1850 transitions. [2021-12-06 22:17:45,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 308.3333333333333) internal successors, (1850), 6 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:45,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:45,323 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:45,323 INFO L186 Difference]: Start difference. First operand has 563 places, 527 transitions, 1308 flow. Second operand 6 states and 1850 transitions. [2021-12-06 22:17:45,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 526 transitions, 1764 flow [2021-12-06 22:17:45,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 526 transitions, 1718 flow, removed 5 selfloop flow, removed 18 redundant places. [2021-12-06 22:17:45,334 INFO L242 Difference]: Finished difference. Result has 549 places, 526 transitions, 1270 flow [2021-12-06 22:17:45,335 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1260, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1270, PETRI_PLACES=549, PETRI_TRANSITIONS=526} [2021-12-06 22:17:45,335 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 37 predicate places. [2021-12-06 22:17:45,335 INFO L470 AbstractCegarLoop]: Abstraction has has 549 places, 526 transitions, 1270 flow [2021-12-06 22:17:45,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 273.6666666666667) internal successors, (1642), 6 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:45,336 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:45,336 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:45,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:17:45,336 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:45,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:45,337 INFO L85 PathProgramCache]: Analyzing trace with hash -688081602, now seen corresponding path program 1 times [2021-12-06 22:17:45,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:45,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048189866] [2021-12-06 22:17:45,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:45,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:45,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:45,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048189866] [2021-12-06 22:17:45,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048189866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:45,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:45,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:45,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002550338] [2021-12-06 22:17:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:45,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:45,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:45,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:45,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:45,476 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 514 [2021-12-06 22:17:45,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 526 transitions, 1270 flow. Second operand has 6 states, 6 states have (on average 278.1666666666667) internal successors, (1669), 6 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:45,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:45,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 514 [2021-12-06 22:17:45,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:46,874 INFO L129 PetriNetUnfolder]: 1388/4415 cut-off events. [2021-12-06 22:17:46,874 INFO L130 PetriNetUnfolder]: For 126/126 co-relation queries the response was YES. [2021-12-06 22:17:46,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7616 conditions, 4415 events. 1388/4415 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 28775 event pairs, 95 based on Foata normal form. 0/3953 useless extension candidates. Maximal degree in co-relation 7414. Up to 1934 conditions per place. [2021-12-06 22:17:46,898 INFO L132 encePairwiseOnDemand]: 480/514 looper letters, 311 selfloop transitions, 79 changer transitions 0/689 dead transitions. [2021-12-06 22:17:46,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 689 transitions, 2376 flow [2021-12-06 22:17:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2025 transitions. [2021-12-06 22:17:46,903 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6566147859922179 [2021-12-06 22:17:46,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2025 transitions. [2021-12-06 22:17:46,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2025 transitions. [2021-12-06 22:17:46,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:46,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2025 transitions. [2021-12-06 22:17:46,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 337.5) internal successors, (2025), 6 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:46,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:46,909 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:46,909 INFO L186 Difference]: Start difference. First operand has 549 places, 526 transitions, 1270 flow. Second operand 6 states and 2025 transitions. [2021-12-06 22:17:46,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 689 transitions, 2376 flow [2021-12-06 22:17:46,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 689 transitions, 2366 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:46,922 INFO L242 Difference]: Finished difference. Result has 552 places, 592 transitions, 1750 flow [2021-12-06 22:17:46,923 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1256, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1750, PETRI_PLACES=552, PETRI_TRANSITIONS=592} [2021-12-06 22:17:46,923 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 40 predicate places. [2021-12-06 22:17:46,923 INFO L470 AbstractCegarLoop]: Abstraction has has 552 places, 592 transitions, 1750 flow [2021-12-06 22:17:46,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 278.1666666666667) internal successors, (1669), 6 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:46,924 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:46,924 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:46,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:17:46,924 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:46,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1256124734, now seen corresponding path program 1 times [2021-12-06 22:17:46,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:46,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186369709] [2021-12-06 22:17:46,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:46,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:47,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:47,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186369709] [2021-12-06 22:17:47,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186369709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:47,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:47,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:47,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561176989] [2021-12-06 22:17:47,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:47,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:47,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:47,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:47,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:47,028 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 514 [2021-12-06 22:17:47,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 592 transitions, 1750 flow. Second operand has 6 states, 6 states have (on average 277.3333333333333) internal successors, (1664), 6 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:47,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:47,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 514 [2021-12-06 22:17:47,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:48,390 INFO L129 PetriNetUnfolder]: 1207/4239 cut-off events. [2021-12-06 22:17:48,391 INFO L130 PetriNetUnfolder]: For 1430/1526 co-relation queries the response was YES. [2021-12-06 22:17:48,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8471 conditions, 4239 events. 1207/4239 cut-off events. For 1430/1526 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 27394 event pairs, 807 based on Foata normal form. 0/3844 useless extension candidates. Maximal degree in co-relation 8268. Up to 2664 conditions per place. [2021-12-06 22:17:48,414 INFO L132 encePairwiseOnDemand]: 490/514 looper letters, 270 selfloop transitions, 20 changer transitions 0/588 dead transitions. [2021-12-06 22:17:48,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 588 transitions, 2322 flow [2021-12-06 22:17:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1852 transitions. [2021-12-06 22:17:48,419 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6005188067444877 [2021-12-06 22:17:48,419 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1852 transitions. [2021-12-06 22:17:48,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1852 transitions. [2021-12-06 22:17:48,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:48,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1852 transitions. [2021-12-06 22:17:48,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 308.6666666666667) internal successors, (1852), 6 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:48,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:48,424 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:48,424 INFO L186 Difference]: Start difference. First operand has 552 places, 592 transitions, 1750 flow. Second operand 6 states and 1852 transitions. [2021-12-06 22:17:48,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 588 transitions, 2322 flow [2021-12-06 22:17:48,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 588 transitions, 2322 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 22:17:48,437 INFO L242 Difference]: Finished difference. Result has 553 places, 588 transitions, 1782 flow [2021-12-06 22:17:48,438 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1742, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1782, PETRI_PLACES=553, PETRI_TRANSITIONS=588} [2021-12-06 22:17:48,439 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 41 predicate places. [2021-12-06 22:17:48,439 INFO L470 AbstractCegarLoop]: Abstraction has has 553 places, 588 transitions, 1782 flow [2021-12-06 22:17:48,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 277.3333333333333) internal successors, (1664), 6 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:48,440 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:48,440 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:48,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:17:48,440 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:48,440 INFO L85 PathProgramCache]: Analyzing trace with hash -104921240, now seen corresponding path program 1 times [2021-12-06 22:17:48,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:48,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605557045] [2021-12-06 22:17:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:48,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:48,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:48,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605557045] [2021-12-06 22:17:48,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605557045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:48,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:48,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:48,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144981998] [2021-12-06 22:17:48,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:48,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:48,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:48,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:48,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:48,539 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 514 [2021-12-06 22:17:48,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 588 transitions, 1782 flow. Second operand has 6 states, 6 states have (on average 270.5) internal successors, (1623), 6 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:48,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:48,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 514 [2021-12-06 22:17:48,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:49,664 INFO L129 PetriNetUnfolder]: 1207/4235 cut-off events. [2021-12-06 22:17:49,664 INFO L130 PetriNetUnfolder]: For 1430/1526 co-relation queries the response was YES. [2021-12-06 22:17:49,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8492 conditions, 4235 events. 1207/4235 cut-off events. For 1430/1526 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 27433 event pairs, 807 based on Foata normal form. 0/3844 useless extension candidates. Maximal degree in co-relation 8288. Up to 2672 conditions per place. [2021-12-06 22:17:49,690 INFO L132 encePairwiseOnDemand]: 490/514 looper letters, 274 selfloop transitions, 20 changer transitions 0/584 dead transitions. [2021-12-06 22:17:49,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 584 transitions, 2362 flow [2021-12-06 22:17:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1808 transitions. [2021-12-06 22:17:49,696 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5862516212710766 [2021-12-06 22:17:49,696 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1808 transitions. [2021-12-06 22:17:49,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1808 transitions. [2021-12-06 22:17:49,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:49,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1808 transitions. [2021-12-06 22:17:49,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 301.3333333333333) internal successors, (1808), 6 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:49,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:49,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:49,705 INFO L186 Difference]: Start difference. First operand has 553 places, 588 transitions, 1782 flow. Second operand 6 states and 1808 transitions. [2021-12-06 22:17:49,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 584 transitions, 2362 flow [2021-12-06 22:17:49,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 584 transitions, 2322 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:49,724 INFO L242 Difference]: Finished difference. Result has 549 places, 584 transitions, 1774 flow [2021-12-06 22:17:49,725 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1734, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1774, PETRI_PLACES=549, PETRI_TRANSITIONS=584} [2021-12-06 22:17:49,725 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 37 predicate places. [2021-12-06 22:17:49,726 INFO L470 AbstractCegarLoop]: Abstraction has has 549 places, 584 transitions, 1774 flow [2021-12-06 22:17:49,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.5) internal successors, (1623), 6 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:49,726 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:49,726 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:49,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:17:49,726 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:49,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:49,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1452609513, now seen corresponding path program 1 times [2021-12-06 22:17:49,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:49,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333277476] [2021-12-06 22:17:49,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:49,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:49,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:49,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333277476] [2021-12-06 22:17:49,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333277476] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:49,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:49,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:49,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924683336] [2021-12-06 22:17:49,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:49,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:49,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:49,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:49,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:49,830 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 514 [2021-12-06 22:17:49,831 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 584 transitions, 1774 flow. Second operand has 6 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:49,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:49,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 514 [2021-12-06 22:17:49,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:51,125 INFO L129 PetriNetUnfolder]: 1207/4231 cut-off events. [2021-12-06 22:17:51,125 INFO L130 PetriNetUnfolder]: For 1438/1534 co-relation queries the response was YES. [2021-12-06 22:17:51,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8484 conditions, 4231 events. 1207/4231 cut-off events. For 1438/1534 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 27428 event pairs, 807 based on Foata normal form. 0/3844 useless extension candidates. Maximal degree in co-relation 8280. Up to 2668 conditions per place. [2021-12-06 22:17:51,142 INFO L132 encePairwiseOnDemand]: 490/514 looper letters, 270 selfloop transitions, 20 changer transitions 0/580 dead transitions. [2021-12-06 22:17:51,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 580 transitions, 2346 flow [2021-12-06 22:17:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1804 transitions. [2021-12-06 22:17:51,145 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5849546044098574 [2021-12-06 22:17:51,145 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1804 transitions. [2021-12-06 22:17:51,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1804 transitions. [2021-12-06 22:17:51,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:51,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1804 transitions. [2021-12-06 22:17:51,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 300.6666666666667) internal successors, (1804), 6 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,149 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,150 INFO L186 Difference]: Start difference. First operand has 549 places, 584 transitions, 1774 flow. Second operand 6 states and 1804 transitions. [2021-12-06 22:17:51,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 580 transitions, 2346 flow [2021-12-06 22:17:51,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 580 transitions, 2306 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:51,162 INFO L242 Difference]: Finished difference. Result has 545 places, 580 transitions, 1766 flow [2021-12-06 22:17:51,162 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1726, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1766, PETRI_PLACES=545, PETRI_TRANSITIONS=580} [2021-12-06 22:17:51,163 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 33 predicate places. [2021-12-06 22:17:51,163 INFO L470 AbstractCegarLoop]: Abstraction has has 545 places, 580 transitions, 1766 flow [2021-12-06 22:17:51,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,163 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:51,163 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:51,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:17:51,164 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:51,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:51,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1643369755, now seen corresponding path program 1 times [2021-12-06 22:17:51,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:51,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258291552] [2021-12-06 22:17:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:51,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:51,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:51,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258291552] [2021-12-06 22:17:51,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258291552] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:51,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:51,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:51,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482269012] [2021-12-06 22:17:51,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:51,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:51,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:51,268 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 514 [2021-12-06 22:17:51,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 580 transitions, 1766 flow. Second operand has 6 states, 6 states have (on average 283.5) internal successors, (1701), 6 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:51,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:51,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 514 [2021-12-06 22:17:51,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:52,419 INFO L129 PetriNetUnfolder]: 1278/4365 cut-off events. [2021-12-06 22:17:52,419 INFO L130 PetriNetUnfolder]: For 1453/1557 co-relation queries the response was YES. [2021-12-06 22:17:52,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8782 conditions, 4365 events. 1278/4365 cut-off events. For 1453/1557 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 28234 event pairs, 874 based on Foata normal form. 0/3968 useless extension candidates. Maximal degree in co-relation 8575. Up to 2816 conditions per place. [2021-12-06 22:17:52,441 INFO L132 encePairwiseOnDemand]: 508/514 looper letters, 275 selfloop transitions, 5 changer transitions 0/579 dead transitions. [2021-12-06 22:17:52,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 579 transitions, 2324 flow [2021-12-06 22:17:52,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1845 transitions. [2021-12-06 22:17:52,445 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5982490272373541 [2021-12-06 22:17:52,445 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1845 transitions. [2021-12-06 22:17:52,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1845 transitions. [2021-12-06 22:17:52,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:52,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1845 transitions. [2021-12-06 22:17:52,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.5) internal successors, (1845), 6 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,451 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,451 INFO L186 Difference]: Start difference. First operand has 545 places, 580 transitions, 1766 flow. Second operand 6 states and 1845 transitions. [2021-12-06 22:17:52,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 579 transitions, 2324 flow [2021-12-06 22:17:52,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 579 transitions, 2284 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:52,519 INFO L242 Difference]: Finished difference. Result has 544 places, 579 transitions, 1734 flow [2021-12-06 22:17:52,520 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1724, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=574, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1734, PETRI_PLACES=544, PETRI_TRANSITIONS=579} [2021-12-06 22:17:52,520 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 32 predicate places. [2021-12-06 22:17:52,521 INFO L470 AbstractCegarLoop]: Abstraction has has 544 places, 579 transitions, 1734 flow [2021-12-06 22:17:52,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 283.5) internal successors, (1701), 6 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,521 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:52,521 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:52,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:17:52,522 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:52,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1814305549, now seen corresponding path program 1 times [2021-12-06 22:17:52,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:52,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572294752] [2021-12-06 22:17:52,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:52,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:52,638 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:52,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:52,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572294752] [2021-12-06 22:17:52,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572294752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:52,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:52,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:52,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835416998] [2021-12-06 22:17:52,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:52,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:52,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:52,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:52,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:52,641 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 514 [2021-12-06 22:17:52,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 579 transitions, 1734 flow. Second operand has 6 states, 6 states have (on average 288.0) internal successors, (1728), 6 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:52,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:52,642 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 514 [2021-12-06 22:17:52,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:53,860 INFO L129 PetriNetUnfolder]: 1278/4363 cut-off events. [2021-12-06 22:17:53,860 INFO L130 PetriNetUnfolder]: For 1450/1554 co-relation queries the response was YES. [2021-12-06 22:17:53,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8761 conditions, 4363 events. 1278/4363 cut-off events. For 1450/1554 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 28246 event pairs, 874 based on Foata normal form. 0/3968 useless extension candidates. Maximal degree in co-relation 8554. Up to 2797 conditions per place. [2021-12-06 22:17:53,884 INFO L132 encePairwiseOnDemand]: 502/514 looper letters, 266 selfloop transitions, 10 changer transitions 0/577 dead transitions. [2021-12-06 22:17:53,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 577 transitions, 2282 flow [2021-12-06 22:17:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1854 transitions. [2021-12-06 22:17:53,888 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6011673151750972 [2021-12-06 22:17:53,888 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1854 transitions. [2021-12-06 22:17:53,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1854 transitions. [2021-12-06 22:17:53,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:53,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1854 transitions. [2021-12-06 22:17:53,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 309.0) internal successors, (1854), 6 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:53,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:53,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:53,896 INFO L186 Difference]: Start difference. First operand has 544 places, 579 transitions, 1734 flow. Second operand 6 states and 1854 transitions. [2021-12-06 22:17:53,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 577 transitions, 2282 flow [2021-12-06 22:17:53,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 577 transitions, 2272 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:53,911 INFO L242 Difference]: Finished difference. Result has 542 places, 577 transitions, 1740 flow [2021-12-06 22:17:53,912 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1720, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1740, PETRI_PLACES=542, PETRI_TRANSITIONS=577} [2021-12-06 22:17:53,913 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 30 predicate places. [2021-12-06 22:17:53,913 INFO L470 AbstractCegarLoop]: Abstraction has has 542 places, 577 transitions, 1740 flow [2021-12-06 22:17:53,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 288.0) internal successors, (1728), 6 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:53,913 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:53,914 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:53,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 22:17:53,914 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:53,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1208481269, now seen corresponding path program 1 times [2021-12-06 22:17:53,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:53,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650692392] [2021-12-06 22:17:53,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:53,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:54,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:54,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650692392] [2021-12-06 22:17:54,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650692392] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:54,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:54,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:54,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184763318] [2021-12-06 22:17:54,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:54,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:54,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:54,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:54,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:54,112 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 514 [2021-12-06 22:17:54,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 577 transitions, 1740 flow. Second operand has 6 states, 6 states have (on average 308.6666666666667) internal successors, (1852), 6 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:54,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:54,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 514 [2021-12-06 22:17:54,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:55,730 INFO L129 PetriNetUnfolder]: 1524/4854 cut-off events. [2021-12-06 22:17:55,730 INFO L130 PetriNetUnfolder]: For 1577/1689 co-relation queries the response was YES. [2021-12-06 22:17:55,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9867 conditions, 4854 events. 1524/4854 cut-off events. For 1577/1689 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 32025 event pairs, 639 based on Foata normal form. 16/4468 useless extension candidates. Maximal degree in co-relation 9662. Up to 2704 conditions per place. [2021-12-06 22:17:55,754 INFO L132 encePairwiseOnDemand]: 491/514 looper letters, 346 selfloop transitions, 130 changer transitions 0/786 dead transitions. [2021-12-06 22:17:55,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 786 transitions, 3486 flow [2021-12-06 22:17:55,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2047 transitions. [2021-12-06 22:17:55,756 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6637483787289234 [2021-12-06 22:17:55,756 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2047 transitions. [2021-12-06 22:17:55,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2047 transitions. [2021-12-06 22:17:55,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:55,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2047 transitions. [2021-12-06 22:17:55,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:55,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:55,761 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:55,761 INFO L186 Difference]: Start difference. First operand has 542 places, 577 transitions, 1740 flow. Second operand 6 states and 2047 transitions. [2021-12-06 22:17:55,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 786 transitions, 3486 flow [2021-12-06 22:17:55,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 786 transitions, 3466 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 22:17:55,776 INFO L242 Difference]: Finished difference. Result has 547 places, 706 transitions, 2948 flow [2021-12-06 22:17:55,777 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=1720, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2948, PETRI_PLACES=547, PETRI_TRANSITIONS=706} [2021-12-06 22:17:55,777 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 35 predicate places. [2021-12-06 22:17:55,777 INFO L470 AbstractCegarLoop]: Abstraction has has 547 places, 706 transitions, 2948 flow [2021-12-06 22:17:55,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.6666666666667) internal successors, (1852), 6 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:55,777 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:55,778 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:55,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 22:17:55,778 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:55,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:55,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2093648283, now seen corresponding path program 1 times [2021-12-06 22:17:55,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:55,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387341929] [2021-12-06 22:17:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:55,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:55,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:55,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387341929] [2021-12-06 22:17:55,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387341929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:55,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:55,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:55,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732190177] [2021-12-06 22:17:55,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:55,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:55,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:55,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:55,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:55,941 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 514 [2021-12-06 22:17:55,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 706 transitions, 2948 flow. Second operand has 6 states, 6 states have (on average 307.1666666666667) internal successors, (1843), 6 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:55,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:55,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 514 [2021-12-06 22:17:55,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:17:57,773 INFO L129 PetriNetUnfolder]: 1637/5631 cut-off events. [2021-12-06 22:17:57,773 INFO L130 PetriNetUnfolder]: For 3948/4174 co-relation queries the response was YES. [2021-12-06 22:17:57,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12866 conditions, 5631 events. 1637/5631 cut-off events. For 3948/4174 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 40699 event pairs, 523 based on Foata normal form. 0/5270 useless extension candidates. Maximal degree in co-relation 12657. Up to 2967 conditions per place. [2021-12-06 22:17:57,797 INFO L132 encePairwiseOnDemand]: 492/514 looper letters, 473 selfloop transitions, 129 changer transitions 5/914 dead transitions. [2021-12-06 22:17:57,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 914 transitions, 5200 flow [2021-12-06 22:17:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:17:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:17:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2031 transitions. [2021-12-06 22:17:57,799 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6585603112840467 [2021-12-06 22:17:57,799 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2031 transitions. [2021-12-06 22:17:57,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2031 transitions. [2021-12-06 22:17:57,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:17:57,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2031 transitions. [2021-12-06 22:17:57,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:57,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:57,804 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:57,804 INFO L186 Difference]: Start difference. First operand has 547 places, 706 transitions, 2948 flow. Second operand 6 states and 2031 transitions. [2021-12-06 22:17:57,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 914 transitions, 5200 flow [2021-12-06 22:17:57,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 914 transitions, 5200 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 22:17:57,826 INFO L242 Difference]: Finished difference. Result has 557 places, 833 transitions, 4414 flow [2021-12-06 22:17:57,826 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=2948, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4414, PETRI_PLACES=557, PETRI_TRANSITIONS=833} [2021-12-06 22:17:57,827 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 45 predicate places. [2021-12-06 22:17:57,827 INFO L470 AbstractCegarLoop]: Abstraction has has 557 places, 833 transitions, 4414 flow [2021-12-06 22:17:57,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.1666666666667) internal successors, (1843), 6 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:57,827 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:17:57,828 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:57,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 22:17:57,828 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:17:57,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:57,828 INFO L85 PathProgramCache]: Analyzing trace with hash -562443915, now seen corresponding path program 1 times [2021-12-06 22:17:57,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:57,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753548817] [2021-12-06 22:17:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:57,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:17:58,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:58,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753548817] [2021-12-06 22:17:58,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753548817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:58,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:58,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:58,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962475159] [2021-12-06 22:17:58,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:58,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:17:58,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:58,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:17:58,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:17:58,008 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 514 [2021-12-06 22:17:58,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 833 transitions, 4414 flow. Second operand has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:17:58,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:17:58,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 514 [2021-12-06 22:17:58,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:18:00,021 INFO L129 PetriNetUnfolder]: 1747/5789 cut-off events. [2021-12-06 22:18:00,021 INFO L130 PetriNetUnfolder]: For 5724/5752 co-relation queries the response was YES. [2021-12-06 22:18:00,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15230 conditions, 5789 events. 1747/5789 cut-off events. For 5724/5752 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 40934 event pairs, 657 based on Foata normal form. 0/5485 useless extension candidates. Maximal degree in co-relation 15017. Up to 3614 conditions per place. [2021-12-06 22:18:00,049 INFO L132 encePairwiseOnDemand]: 495/514 looper letters, 540 selfloop transitions, 84 changer transitions 0/931 dead transitions. [2021-12-06 22:18:00,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 931 transitions, 6176 flow [2021-12-06 22:18:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:18:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:18:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1960 transitions. [2021-12-06 22:18:00,051 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6355382619974059 [2021-12-06 22:18:00,051 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1960 transitions. [2021-12-06 22:18:00,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1960 transitions. [2021-12-06 22:18:00,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:18:00,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1960 transitions. [2021-12-06 22:18:00,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 326.6666666666667) internal successors, (1960), 6 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:00,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:00,055 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:00,055 INFO L186 Difference]: Start difference. First operand has 557 places, 833 transitions, 4414 flow. Second operand 6 states and 1960 transitions. [2021-12-06 22:18:00,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 931 transitions, 6176 flow [2021-12-06 22:18:00,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 931 transitions, 5922 flow, removed 127 selfloop flow, removed 0 redundant places. [2021-12-06 22:18:00,084 INFO L242 Difference]: Finished difference. Result has 566 places, 904 transitions, 4950 flow [2021-12-06 22:18:00,085 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=4166, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=833, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=785, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4950, PETRI_PLACES=566, PETRI_TRANSITIONS=904} [2021-12-06 22:18:00,085 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 54 predicate places. [2021-12-06 22:18:00,085 INFO L470 AbstractCegarLoop]: Abstraction has has 566 places, 904 transitions, 4950 flow [2021-12-06 22:18:00,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:00,085 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:18:00,086 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:00,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 22:18:00,086 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:18:00,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:00,086 INFO L85 PathProgramCache]: Analyzing trace with hash -764371748, now seen corresponding path program 1 times [2021-12-06 22:18:00,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:00,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850692778] [2021-12-06 22:18:00,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:00,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:18:00,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:00,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850692778] [2021-12-06 22:18:00,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850692778] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:00,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:00,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 22:18:00,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802838717] [2021-12-06 22:18:00,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:00,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 22:18:00,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 22:18:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-12-06 22:18:00,815 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 514 [2021-12-06 22:18:00,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 904 transitions, 4950 flow. Second operand has 20 states, 20 states have (on average 202.85) internal successors, (4057), 20 states have internal predecessors, (4057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:00,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:18:00,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 514 [2021-12-06 22:18:00,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:18:05,079 INFO L129 PetriNetUnfolder]: 2387/7079 cut-off events. [2021-12-06 22:18:05,080 INFO L130 PetriNetUnfolder]: For 8625/8702 co-relation queries the response was YES. [2021-12-06 22:18:05,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20918 conditions, 7079 events. 2387/7079 cut-off events. For 8625/8702 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 51971 event pairs, 393 based on Foata normal form. 79/6847 useless extension candidates. Maximal degree in co-relation 20693. Up to 2770 conditions per place. [2021-12-06 22:18:05,134 INFO L132 encePairwiseOnDemand]: 455/514 looper letters, 813 selfloop transitions, 211 changer transitions 6/1249 dead transitions. [2021-12-06 22:18:05,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 1249 transitions, 8930 flow [2021-12-06 22:18:05,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-06 22:18:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-12-06 22:18:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 7855 transitions. [2021-12-06 22:18:05,145 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.40216055703460984 [2021-12-06 22:18:05,145 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 7855 transitions. [2021-12-06 22:18:05,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 7855 transitions. [2021-12-06 22:18:05,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:18:05,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 7855 transitions. [2021-12-06 22:18:05,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 206.71052631578948) internal successors, (7855), 38 states have internal predecessors, (7855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 514.0) internal successors, (20046), 39 states have internal predecessors, (20046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,172 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 514.0) internal successors, (20046), 39 states have internal predecessors, (20046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,172 INFO L186 Difference]: Start difference. First operand has 566 places, 904 transitions, 4950 flow. Second operand 38 states and 7855 transitions. [2021-12-06 22:18:05,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 603 places, 1249 transitions, 8930 flow [2021-12-06 22:18:05,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 1249 transitions, 8858 flow, removed 36 selfloop flow, removed 0 redundant places. [2021-12-06 22:18:05,235 INFO L242 Difference]: Finished difference. Result has 612 places, 960 transitions, 6006 flow [2021-12-06 22:18:05,236 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=4896, PETRI_DIFFERENCE_MINUEND_PLACES=566, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=904, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=726, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=6006, PETRI_PLACES=612, PETRI_TRANSITIONS=960} [2021-12-06 22:18:05,236 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 100 predicate places. [2021-12-06 22:18:05,236 INFO L470 AbstractCegarLoop]: Abstraction has has 612 places, 960 transitions, 6006 flow [2021-12-06 22:18:05,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 202.85) internal successors, (4057), 20 states have internal predecessors, (4057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:05,237 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:18:05,237 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:05,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 22:18:05,238 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:18:05,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:05,238 INFO L85 PathProgramCache]: Analyzing trace with hash 315054696, now seen corresponding path program 2 times [2021-12-06 22:18:05,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:05,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907440188] [2021-12-06 22:18:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:05,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:18:06,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:06,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907440188] [2021-12-06 22:18:06,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907440188] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:06,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:06,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 22:18:06,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612634310] [2021-12-06 22:18:06,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:06,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 22:18:06,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:06,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 22:18:06,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-12-06 22:18:06,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 514 [2021-12-06 22:18:06,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 960 transitions, 6006 flow. Second operand has 16 states, 16 states have (on average 248.9375) internal successors, (3983), 16 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:06,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:18:06,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 514 [2021-12-06 22:18:06,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:18:12,059 INFO L129 PetriNetUnfolder]: 3660/10851 cut-off events. [2021-12-06 22:18:12,059 INFO L130 PetriNetUnfolder]: For 18128/18237 co-relation queries the response was YES. [2021-12-06 22:18:12,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33578 conditions, 10851 events. 3660/10851 cut-off events. For 18128/18237 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 92130 event pairs, 980 based on Foata normal form. 109/10497 useless extension candidates. Maximal degree in co-relation 33341. Up to 3463 conditions per place. [2021-12-06 22:18:12,136 INFO L132 encePairwiseOnDemand]: 465/514 looper letters, 956 selfloop transitions, 295 changer transitions 6/1522 dead transitions. [2021-12-06 22:18:12,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 1522 transitions, 12225 flow [2021-12-06 22:18:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:18:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-06 22:18:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4656 transitions. [2021-12-06 22:18:12,141 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.532845044632639 [2021-12-06 22:18:12,141 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4656 transitions. [2021-12-06 22:18:12,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4656 transitions. [2021-12-06 22:18:12,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:18:12,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4656 transitions. [2021-12-06 22:18:12,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 273.88235294117646) internal successors, (4656), 17 states have internal predecessors, (4656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:12,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 514.0) internal successors, (9252), 18 states have internal predecessors, (9252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:12,153 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 514.0) internal successors, (9252), 18 states have internal predecessors, (9252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:12,153 INFO L186 Difference]: Start difference. First operand has 612 places, 960 transitions, 6006 flow. Second operand 17 states and 4656 transitions. [2021-12-06 22:18:12,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 1522 transitions, 12225 flow [2021-12-06 22:18:12,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 1522 transitions, 12104 flow, removed 5 selfloop flow, removed 20 redundant places. [2021-12-06 22:18:12,237 INFO L242 Difference]: Finished difference. Result has 617 places, 1077 transitions, 8389 flow [2021-12-06 22:18:12,238 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=5910, PETRI_DIFFERENCE_MINUEND_PLACES=592, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=687, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8389, PETRI_PLACES=617, PETRI_TRANSITIONS=1077} [2021-12-06 22:18:12,238 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 105 predicate places. [2021-12-06 22:18:12,238 INFO L470 AbstractCegarLoop]: Abstraction has has 617 places, 1077 transitions, 8389 flow [2021-12-06 22:18:12,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 248.9375) internal successors, (3983), 16 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:12,238 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:18:12,239 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:12,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 22:18:12,239 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:18:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:12,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1905828500, now seen corresponding path program 3 times [2021-12-06 22:18:12,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:12,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848466876] [2021-12-06 22:18:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:12,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:18:12,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:12,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848466876] [2021-12-06 22:18:12,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848466876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:12,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:12,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-12-06 22:18:12,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714463135] [2021-12-06 22:18:12,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:12,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 22:18:12,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:12,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 22:18:12,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:18:12,880 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 514 [2021-12-06 22:18:12,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 1077 transitions, 8389 flow. Second operand has 21 states, 21 states have (on average 198.38095238095238) internal successors, (4166), 21 states have internal predecessors, (4166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:12,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:18:12,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 514 [2021-12-06 22:18:12,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:18:22,006 INFO L129 PetriNetUnfolder]: 6725/18616 cut-off events. [2021-12-06 22:18:22,006 INFO L130 PetriNetUnfolder]: For 41989/42114 co-relation queries the response was YES. [2021-12-06 22:18:22,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60596 conditions, 18616 events. 6725/18616 cut-off events. For 41989/42114 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 175638 event pairs, 1245 based on Foata normal form. 92/17941 useless extension candidates. Maximal degree in co-relation 60352. Up to 2996 conditions per place. [2021-12-06 22:18:22,216 INFO L132 encePairwiseOnDemand]: 447/514 looper letters, 1395 selfloop transitions, 516 changer transitions 6/2132 dead transitions. [2021-12-06 22:18:22,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 2132 transitions, 21104 flow [2021-12-06 22:18:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-06 22:18:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-12-06 22:18:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 8366 transitions. [2021-12-06 22:18:22,226 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4069066147859922 [2021-12-06 22:18:22,226 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 8366 transitions. [2021-12-06 22:18:22,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 8366 transitions. [2021-12-06 22:18:22,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:18:22,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 8366 transitions. [2021-12-06 22:18:22,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 209.15) internal successors, (8366), 40 states have internal predecessors, (8366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:22,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 514.0) internal successors, (21074), 41 states have internal predecessors, (21074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:22,248 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 514.0) internal successors, (21074), 41 states have internal predecessors, (21074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:22,248 INFO L186 Difference]: Start difference. First operand has 617 places, 1077 transitions, 8389 flow. Second operand 40 states and 8366 transitions. [2021-12-06 22:18:22,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 2132 transitions, 21104 flow [2021-12-06 22:18:22,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 2132 transitions, 20937 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-12-06 22:18:22,437 INFO L242 Difference]: Finished difference. Result has 665 places, 1371 transitions, 14111 flow [2021-12-06 22:18:22,438 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=8266, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1077, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=234, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=14111, PETRI_PLACES=665, PETRI_TRANSITIONS=1371} [2021-12-06 22:18:22,439 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 153 predicate places. [2021-12-06 22:18:22,439 INFO L470 AbstractCegarLoop]: Abstraction has has 665 places, 1371 transitions, 14111 flow [2021-12-06 22:18:22,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 198.38095238095238) internal successors, (4166), 21 states have internal predecessors, (4166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:22,439 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:18:22,440 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:22,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 22:18:22,440 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:18:22,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:22,440 INFO L85 PathProgramCache]: Analyzing trace with hash 492988068, now seen corresponding path program 4 times [2021-12-06 22:18:22,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:22,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326482992] [2021-12-06 22:18:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:22,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:18:23,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:23,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326482992] [2021-12-06 22:18:23,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326482992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:23,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:23,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-06 22:18:23,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019949564] [2021-12-06 22:18:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:23,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 22:18:23,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 22:18:23,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:18:23,215 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 514 [2021-12-06 22:18:23,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 1371 transitions, 14111 flow. Second operand has 17 states, 17 states have (on average 248.23529411764707) internal successors, (4220), 17 states have internal predecessors, (4220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:23,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:18:23,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 514 [2021-12-06 22:18:23,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:18:34,740 INFO L129 PetriNetUnfolder]: 8269/24151 cut-off events. [2021-12-06 22:18:34,740 INFO L130 PetriNetUnfolder]: For 69858/70123 co-relation queries the response was YES. [2021-12-06 22:18:34,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82004 conditions, 24151 events. 8269/24151 cut-off events. For 69858/70123 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 250560 event pairs, 2560 based on Foata normal form. 216/23377 useless extension candidates. Maximal degree in co-relation 81901. Up to 8069 conditions per place. [2021-12-06 22:18:35,086 INFO L132 encePairwiseOnDemand]: 465/514 looper letters, 1197 selfloop transitions, 563 changer transitions 6/2035 dead transitions. [2021-12-06 22:18:35,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 2035 transitions, 23453 flow [2021-12-06 22:18:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:18:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:18:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5400 transitions. [2021-12-06 22:18:35,091 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5252918287937743 [2021-12-06 22:18:35,092 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 5400 transitions. [2021-12-06 22:18:35,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 5400 transitions. [2021-12-06 22:18:35,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:18:35,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 5400 transitions. [2021-12-06 22:18:35,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 270.0) internal successors, (5400), 20 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:35,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 514.0) internal successors, (10794), 21 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:35,102 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 514.0) internal successors, (10794), 21 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:35,102 INFO L186 Difference]: Start difference. First operand has 665 places, 1371 transitions, 14111 flow. Second operand 20 states and 5400 transitions. [2021-12-06 22:18:35,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 2035 transitions, 23453 flow [2021-12-06 22:18:35,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 672 places, 2035 transitions, 23097 flow, removed 123 selfloop flow, removed 12 redundant places. [2021-12-06 22:18:35,469 INFO L242 Difference]: Finished difference. Result has 685 places, 1563 transitions, 19396 flow [2021-12-06 22:18:35,470 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=13809, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=19396, PETRI_PLACES=685, PETRI_TRANSITIONS=1563} [2021-12-06 22:18:35,470 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 173 predicate places. [2021-12-06 22:18:35,471 INFO L470 AbstractCegarLoop]: Abstraction has has 685 places, 1563 transitions, 19396 flow [2021-12-06 22:18:35,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 248.23529411764707) internal successors, (4220), 17 states have internal predecessors, (4220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:35,471 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:18:35,472 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:35,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 22:18:35,472 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:18:35,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash 521567874, now seen corresponding path program 5 times [2021-12-06 22:18:35,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:35,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893684419] [2021-12-06 22:18:35,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:35,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:18:35,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:35,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893684419] [2021-12-06 22:18:35,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893684419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:35,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:35,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 22:18:35,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584923547] [2021-12-06 22:18:35,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:35,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 22:18:35,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:35,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 22:18:35,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-12-06 22:18:35,933 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 514 [2021-12-06 22:18:35,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 1563 transitions, 19396 flow. Second operand has 16 states, 16 states have (on average 234.875) internal successors, (3758), 16 states have internal predecessors, (3758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:35,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:18:35,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 514 [2021-12-06 22:18:35,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:18:50,432 INFO L129 PetriNetUnfolder]: 10499/30498 cut-off events. [2021-12-06 22:18:50,432 INFO L130 PetriNetUnfolder]: For 110086/110527 co-relation queries the response was YES. [2021-12-06 22:18:50,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107285 conditions, 30498 events. 10499/30498 cut-off events. For 110086/110527 co-relation queries the response was YES. Maximal size of possible extension queue 585. Compared 332127 event pairs, 2732 based on Foata normal form. 256/29513 useless extension candidates. Maximal degree in co-relation 107153. Up to 12068 conditions per place. [2021-12-06 22:18:50,851 INFO L132 encePairwiseOnDemand]: 460/514 looper letters, 1362 selfloop transitions, 653 changer transitions 4/2273 dead transitions. [2021-12-06 22:18:50,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 708 places, 2273 transitions, 30705 flow [2021-12-06 22:18:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 22:18:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-12-06 22:18:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 5989 transitions. [2021-12-06 22:18:50,858 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.48548962386511024 [2021-12-06 22:18:50,859 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 5989 transitions. [2021-12-06 22:18:50,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 5989 transitions. [2021-12-06 22:18:50,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:18:50,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 5989 transitions. [2021-12-06 22:18:50,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 249.54166666666666) internal successors, (5989), 24 states have internal predecessors, (5989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:50,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 514.0) internal successors, (12850), 25 states have internal predecessors, (12850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:50,876 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 514.0) internal successors, (12850), 25 states have internal predecessors, (12850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:50,876 INFO L186 Difference]: Start difference. First operand has 685 places, 1563 transitions, 19396 flow. Second operand 24 states and 5989 transitions. [2021-12-06 22:18:50,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 708 places, 2273 transitions, 30705 flow [2021-12-06 22:18:51,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 2273 transitions, 30468 flow, removed 46 selfloop flow, removed 6 redundant places. [2021-12-06 22:18:51,563 INFO L242 Difference]: Finished difference. Result has 718 places, 1780 transitions, 25785 flow [2021-12-06 22:18:51,565 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=19199, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=439, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=25785, PETRI_PLACES=718, PETRI_TRANSITIONS=1780} [2021-12-06 22:18:51,565 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 206 predicate places. [2021-12-06 22:18:51,565 INFO L470 AbstractCegarLoop]: Abstraction has has 718 places, 1780 transitions, 25785 flow [2021-12-06 22:18:51,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 234.875) internal successors, (3758), 16 states have internal predecessors, (3758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:51,566 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:18:51,566 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:18:51,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 22:18:51,566 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:18:51,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash 547762404, now seen corresponding path program 6 times [2021-12-06 22:18:51,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:51,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105744588] [2021-12-06 22:18:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:51,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:18:52,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:52,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105744588] [2021-12-06 22:18:52,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105744588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:52,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:52,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-06 22:18:52,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406863302] [2021-12-06 22:18:52,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:52,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 22:18:52,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:52,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 22:18:52,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:18:52,051 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 514 [2021-12-06 22:18:52,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 1780 transitions, 25785 flow. Second operand has 19 states, 19 states have (on average 247.05263157894737) internal successors, (4694), 19 states have internal predecessors, (4694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:18:52,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:18:52,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 514 [2021-12-06 22:18:52,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:19:10,536 INFO L129 PetriNetUnfolder]: 12674/36624 cut-off events. [2021-12-06 22:19:10,536 INFO L130 PetriNetUnfolder]: For 162096/162660 co-relation queries the response was YES. [2021-12-06 22:19:11,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132935 conditions, 36624 events. 12674/36624 cut-off events. For 162096/162660 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 413562 event pairs, 3453 based on Foata normal form. 394/35498 useless extension candidates. Maximal degree in co-relation 132787. Up to 12819 conditions per place. [2021-12-06 22:19:11,155 INFO L132 encePairwiseOnDemand]: 467/514 looper letters, 1142 selfloop transitions, 969 changer transitions 5/2385 dead transitions. [2021-12-06 22:19:11,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 735 places, 2385 transitions, 36707 flow [2021-12-06 22:19:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:19:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 22:19:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4860 transitions. [2021-12-06 22:19:11,160 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5252918287937743 [2021-12-06 22:19:11,160 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4860 transitions. [2021-12-06 22:19:11,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4860 transitions. [2021-12-06 22:19:11,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:19:11,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4860 transitions. [2021-12-06 22:19:11,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 270.0) internal successors, (4860), 18 states have internal predecessors, (4860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:11,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 514.0) internal successors, (9766), 19 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:11,187 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 514.0) internal successors, (9766), 19 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:11,187 INFO L186 Difference]: Start difference. First operand has 718 places, 1780 transitions, 25785 flow. Second operand 18 states and 4860 transitions. [2021-12-06 22:19:11,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 735 places, 2385 transitions, 36707 flow [2021-12-06 22:19:12,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 2385 transitions, 36274 flow, removed 175 selfloop flow, removed 6 redundant places. [2021-12-06 22:19:12,436 INFO L242 Difference]: Finished difference. Result has 741 places, 1976 transitions, 33741 flow [2021-12-06 22:19:12,437 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=25393, PETRI_DIFFERENCE_MINUEND_PLACES=712, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1780, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=781, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=842, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=33741, PETRI_PLACES=741, PETRI_TRANSITIONS=1976} [2021-12-06 22:19:12,438 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 229 predicate places. [2021-12-06 22:19:12,438 INFO L470 AbstractCegarLoop]: Abstraction has has 741 places, 1976 transitions, 33741 flow [2021-12-06 22:19:12,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 247.05263157894737) internal successors, (4694), 19 states have internal predecessors, (4694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:12,438 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:19:12,439 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:19:12,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 22:19:12,439 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:19:12,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:19:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1021166138, now seen corresponding path program 7 times [2021-12-06 22:19:12,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:19:12,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640105631] [2021-12-06 22:19:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:19:12,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:19:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:19:13,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:19:13,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640105631] [2021-12-06 22:19:13,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640105631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:19:13,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:19:13,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-12-06 22:19:13,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260696491] [2021-12-06 22:19:13,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:19:13,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-06 22:19:13,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:19:13,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-06 22:19:13,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-12-06 22:19:13,051 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 514 [2021-12-06 22:19:13,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 1976 transitions, 33741 flow. Second operand has 23 states, 23 states have (on average 208.8695652173913) internal successors, (4804), 23 states have internal predecessors, (4804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:13,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:19:13,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 514 [2021-12-06 22:19:13,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:19:38,254 INFO L129 PetriNetUnfolder]: 15594/42459 cut-off events. [2021-12-06 22:19:38,254 INFO L130 PetriNetUnfolder]: For 229768/230416 co-relation queries the response was YES. [2021-12-06 22:19:38,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160478 conditions, 42459 events. 15594/42459 cut-off events. For 229768/230416 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 477364 event pairs, 2822 based on Foata normal form. 463/41219 useless extension candidates. Maximal degree in co-relation 160175. Up to 6870 conditions per place. [2021-12-06 22:19:39,082 INFO L132 encePairwiseOnDemand]: 445/514 looper letters, 1399 selfloop transitions, 1191 changer transitions 7/2824 dead transitions. [2021-12-06 22:19:39,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 2824 transitions, 48237 flow [2021-12-06 22:19:39,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-06 22:19:39,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-12-06 22:19:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 8390 transitions. [2021-12-06 22:19:39,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4295515052221995 [2021-12-06 22:19:39,090 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 8390 transitions. [2021-12-06 22:19:39,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 8390 transitions. [2021-12-06 22:19:39,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:19:39,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 8390 transitions. [2021-12-06 22:19:39,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 220.78947368421052) internal successors, (8390), 38 states have internal predecessors, (8390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:39,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 514.0) internal successors, (20046), 39 states have internal predecessors, (20046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:39,109 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 514.0) internal successors, (20046), 39 states have internal predecessors, (20046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:39,109 INFO L186 Difference]: Start difference. First operand has 741 places, 1976 transitions, 33741 flow. Second operand 38 states and 8390 transitions. [2021-12-06 22:19:39,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 2824 transitions, 48237 flow [2021-12-06 22:19:40,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 2824 transitions, 47961 flow, removed 72 selfloop flow, removed 5 redundant places. [2021-12-06 22:19:41,003 INFO L242 Difference]: Finished difference. Result has 787 places, 2168 transitions, 42588 flow [2021-12-06 22:19:41,005 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=33516, PETRI_DIFFERENCE_MINUEND_PLACES=736, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1976, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=851, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=42588, PETRI_PLACES=787, PETRI_TRANSITIONS=2168} [2021-12-06 22:19:41,005 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 275 predicate places. [2021-12-06 22:19:41,005 INFO L470 AbstractCegarLoop]: Abstraction has has 787 places, 2168 transitions, 42588 flow [2021-12-06 22:19:41,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 208.8695652173913) internal successors, (4804), 23 states have internal predecessors, (4804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:41,006 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:19:41,006 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:19:41,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 22:19:41,007 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:19:41,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:19:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash 63455892, now seen corresponding path program 8 times [2021-12-06 22:19:41,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:19:41,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571846749] [2021-12-06 22:19:41,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:19:41,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:19:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:19:41,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:19:41,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571846749] [2021-12-06 22:19:41,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571846749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:19:41,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:19:41,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-06 22:19:41,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470270295] [2021-12-06 22:19:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:19:41,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-06 22:19:41,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:19:41,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-06 22:19:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2021-12-06 22:19:41,654 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 514 [2021-12-06 22:19:41,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 2168 transitions, 42588 flow. Second operand has 29 states, 29 states have (on average 194.27586206896552) internal successors, (5634), 29 states have internal predecessors, (5634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:19:41,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:19:41,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 514 [2021-12-06 22:19:41,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:20:13,890 INFO L129 PetriNetUnfolder]: 17223/46788 cut-off events. [2021-12-06 22:20:13,890 INFO L130 PetriNetUnfolder]: For 313204/314067 co-relation queries the response was YES. [2021-12-06 22:20:14,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186852 conditions, 46788 events. 17223/46788 cut-off events. For 313204/314067 co-relation queries the response was YES. Maximal size of possible extension queue 887. Compared 535057 event pairs, 2858 based on Foata normal form. 619/45543 useless extension candidates. Maximal degree in co-relation 186535. Up to 8686 conditions per place. [2021-12-06 22:20:14,961 INFO L132 encePairwiseOnDemand]: 441/514 looper letters, 1815 selfloop transitions, 1064 changer transitions 8/3101 dead transitions. [2021-12-06 22:20:14,961 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 831 places, 3101 transitions, 58206 flow [2021-12-06 22:20:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-06 22:20:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-06 22:20:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 9310 transitions. [2021-12-06 22:20:14,969 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.40250756593169046 [2021-12-06 22:20:14,969 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 9310 transitions. [2021-12-06 22:20:14,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 9310 transitions. [2021-12-06 22:20:14,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:20:14,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 9310 transitions. [2021-12-06 22:20:14,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 206.88888888888889) internal successors, (9310), 45 states have internal predecessors, (9310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:14,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 514.0) internal successors, (23644), 46 states have internal predecessors, (23644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:14,990 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 514.0) internal successors, (23644), 46 states have internal predecessors, (23644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:14,990 INFO L186 Difference]: Start difference. First operand has 787 places, 2168 transitions, 42588 flow. Second operand 45 states and 9310 transitions. [2021-12-06 22:20:14,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 831 places, 3101 transitions, 58206 flow [2021-12-06 22:20:18,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 817 places, 3101 transitions, 57794 flow, removed 127 selfloop flow, removed 14 redundant places. [2021-12-06 22:20:18,192 INFO L242 Difference]: Finished difference. Result has 831 places, 2363 transitions, 50907 flow [2021-12-06 22:20:18,194 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=42206, PETRI_DIFFERENCE_MINUEND_PLACES=773, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=872, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=50907, PETRI_PLACES=831, PETRI_TRANSITIONS=2363} [2021-12-06 22:20:18,194 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 319 predicate places. [2021-12-06 22:20:18,194 INFO L470 AbstractCegarLoop]: Abstraction has has 831 places, 2363 transitions, 50907 flow [2021-12-06 22:20:18,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 194.27586206896552) internal successors, (5634), 29 states have internal predecessors, (5634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:18,195 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:20:18,195 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:20:18,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 22:20:18,196 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:20:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:20:18,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1372742112, now seen corresponding path program 9 times [2021-12-06 22:20:18,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:20:18,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868099819] [2021-12-06 22:20:18,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:20:18,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:20:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:20:19,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:20:19,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868099819] [2021-12-06 22:20:19,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868099819] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:20:19,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:20:19,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 22:20:19,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320358826] [2021-12-06 22:20:19,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:20:19,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 22:20:19,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:20:19,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 22:20:19,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-12-06 22:20:19,124 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 514 [2021-12-06 22:20:19,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 2363 transitions, 50907 flow. Second operand has 20 states, 20 states have (on average 232.3) internal successors, (4646), 20 states have internal predecessors, (4646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:19,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:20:19,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 514 [2021-12-06 22:20:19,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:20:52,179 INFO L129 PetriNetUnfolder]: 16635/48044 cut-off events. [2021-12-06 22:20:52,179 INFO L130 PetriNetUnfolder]: For 390855/391757 co-relation queries the response was YES. [2021-12-06 22:20:53,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197860 conditions, 48044 events. 16635/48044 cut-off events. For 390855/391757 co-relation queries the response was YES. Maximal size of possible extension queue 956. Compared 570788 event pairs, 4748 based on Foata normal form. 649/46692 useless extension candidates. Maximal degree in co-relation 197650. Up to 16607 conditions per place. [2021-12-06 22:20:53,383 INFO L132 encePairwiseOnDemand]: 467/514 looper letters, 1369 selfloop transitions, 1304 changer transitions 5/2946 dead transitions. [2021-12-06 22:20:53,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 850 places, 2946 transitions, 63583 flow [2021-12-06 22:20:53,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:20:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-06 22:20:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5080 transitions. [2021-12-06 22:20:53,388 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.49416342412451364 [2021-12-06 22:20:53,388 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 5080 transitions. [2021-12-06 22:20:53,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 5080 transitions. [2021-12-06 22:20:53,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:20:53,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 5080 transitions. [2021-12-06 22:20:53,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 254.0) internal successors, (5080), 20 states have internal predecessors, (5080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:53,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 514.0) internal successors, (10794), 21 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:53,398 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 514.0) internal successors, (10794), 21 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:53,398 INFO L186 Difference]: Start difference. First operand has 831 places, 2363 transitions, 50907 flow. Second operand 20 states and 5080 transitions. [2021-12-06 22:20:53,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 850 places, 2946 transitions, 63583 flow [2021-12-06 22:20:57,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 831 places, 2946 transitions, 61825 flow, removed 154 selfloop flow, removed 19 redundant places. [2021-12-06 22:20:57,897 INFO L242 Difference]: Finished difference. Result has 838 places, 2519 transitions, 58176 flow [2021-12-06 22:20:57,899 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=49340, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1081, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=58176, PETRI_PLACES=838, PETRI_TRANSITIONS=2519} [2021-12-06 22:20:57,899 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 326 predicate places. [2021-12-06 22:20:57,900 INFO L470 AbstractCegarLoop]: Abstraction has has 838 places, 2519 transitions, 58176 flow [2021-12-06 22:20:57,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 232.3) internal successors, (4646), 20 states have internal predecessors, (4646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:57,900 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:20:57,900 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:20:57,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 22:20:57,901 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:20:57,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:20:57,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2129338630, now seen corresponding path program 10 times [2021-12-06 22:20:57,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:20:57,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906877222] [2021-12-06 22:20:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:20:57,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:20:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:20:58,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:20:58,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906877222] [2021-12-06 22:20:58,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906877222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:20:58,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:20:58,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-06 22:20:58,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54364888] [2021-12-06 22:20:58,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:20:58,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-06 22:20:58,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:20:58,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 22:20:58,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:20:58,493 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 514 [2021-12-06 22:20:58,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 2519 transitions, 58176 flow. Second operand has 24 states, 24 states have (on average 192.08333333333334) internal successors, (4610), 24 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:20:58,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:20:58,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 514 [2021-12-06 22:20:58,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:21:40,051 INFO L129 PetriNetUnfolder]: 19890/55129 cut-off events. [2021-12-06 22:21:40,051 INFO L130 PetriNetUnfolder]: For 485199/485927 co-relation queries the response was YES. [2021-12-06 22:21:41,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233536 conditions, 55129 events. 19890/55129 cut-off events. For 485199/485927 co-relation queries the response was YES. Maximal size of possible extension queue 1047. Compared 653552 event pairs, 5077 based on Foata normal form. 638/53518 useless extension candidates. Maximal degree in co-relation 233313. Up to 18194 conditions per place. [2021-12-06 22:21:41,619 INFO L132 encePairwiseOnDemand]: 441/514 looper letters, 1433 selfloop transitions, 1490 changer transitions 4/3155 dead transitions. [2021-12-06 22:21:41,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 881 places, 3155 transitions, 72253 flow [2021-12-06 22:21:41,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-06 22:21:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-12-06 22:21:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 8707 transitions. [2021-12-06 22:21:41,626 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.3849929253625752 [2021-12-06 22:21:41,626 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 8707 transitions. [2021-12-06 22:21:41,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 8707 transitions. [2021-12-06 22:21:41,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:21:41,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 8707 transitions. [2021-12-06 22:21:41,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 197.88636363636363) internal successors, (8707), 44 states have internal predecessors, (8707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:21:41,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 514.0) internal successors, (23130), 45 states have internal predecessors, (23130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:21:41,647 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 514.0) internal successors, (23130), 45 states have internal predecessors, (23130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:21:41,647 INFO L186 Difference]: Start difference. First operand has 838 places, 2519 transitions, 58176 flow. Second operand 44 states and 8707 transitions. [2021-12-06 22:21:41,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 881 places, 3155 transitions, 72253 flow [2021-12-06 22:21:47,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 3155 transitions, 71784 flow, removed 148 selfloop flow, removed 7 redundant places. [2021-12-06 22:21:47,854 INFO L242 Difference]: Finished difference. Result has 884 places, 2685 transitions, 67804 flow [2021-12-06 22:21:47,856 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=57717, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1325, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1053, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=67804, PETRI_PLACES=884, PETRI_TRANSITIONS=2685} [2021-12-06 22:21:47,856 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 372 predicate places. [2021-12-06 22:21:47,856 INFO L470 AbstractCegarLoop]: Abstraction has has 884 places, 2685 transitions, 67804 flow [2021-12-06 22:21:47,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 192.08333333333334) internal successors, (4610), 24 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:21:47,857 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:21:47,857 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:21:47,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 22:21:47,857 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:21:47,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:21:47,858 INFO L85 PathProgramCache]: Analyzing trace with hash 141166914, now seen corresponding path program 11 times [2021-12-06 22:21:47,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:21:47,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164109163] [2021-12-06 22:21:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:21:47,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:21:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:21:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:21:48,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:21:48,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164109163] [2021-12-06 22:21:48,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164109163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:21:48,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:21:48,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:21:48,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044205192] [2021-12-06 22:21:48,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:21:48,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:21:48,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:21:48,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:21:48,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:21:48,632 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 514 [2021-12-06 22:21:48,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 2685 transitions, 67804 flow. Second operand has 18 states, 18 states have (on average 233.44444444444446) internal successors, (4202), 18 states have internal predecessors, (4202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:21:48,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:21:48,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 514 [2021-12-06 22:21:48,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:22:30,520 INFO L129 PetriNetUnfolder]: 19192/55353 cut-off events. [2021-12-06 22:22:30,520 INFO L130 PetriNetUnfolder]: For 561000/562149 co-relation queries the response was YES. [2021-12-06 22:22:31,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239107 conditions, 55353 events. 19192/55353 cut-off events. For 561000/562149 co-relation queries the response was YES. Maximal size of possible extension queue 1109. Compared 673745 event pairs, 5279 based on Foata normal form. 798/53845 useless extension candidates. Maximal degree in co-relation 238868. Up to 18538 conditions per place. [2021-12-06 22:22:32,191 INFO L132 encePairwiseOnDemand]: 460/514 looper letters, 1369 selfloop transitions, 1594 changer transitions 4/3235 dead transitions. [2021-12-06 22:22:32,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 3235 transitions, 81476 flow [2021-12-06 22:22:32,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 22:22:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-12-06 22:22:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5484 transitions. [2021-12-06 22:22:32,196 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.484966395472232 [2021-12-06 22:22:32,196 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 5484 transitions. [2021-12-06 22:22:32,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 5484 transitions. [2021-12-06 22:22:32,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:32,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 5484 transitions. [2021-12-06 22:22:32,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 249.27272727272728) internal successors, (5484), 22 states have internal predecessors, (5484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:32,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 514.0) internal successors, (11822), 23 states have internal predecessors, (11822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:32,207 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 514.0) internal successors, (11822), 23 states have internal predecessors, (11822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:32,207 INFO L186 Difference]: Start difference. First operand has 884 places, 2685 transitions, 67804 flow. Second operand 22 states and 5484 transitions. [2021-12-06 22:22:32,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 3235 transitions, 81476 flow [2021-12-06 22:22:38,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 877 places, 3235 transitions, 81073 flow, removed 97 selfloop flow, removed 28 redundant places. [2021-12-06 22:22:38,491 INFO L242 Difference]: Finished difference. Result has 884 places, 2836 transitions, 77793 flow [2021-12-06 22:22:38,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=67418, PETRI_DIFFERENCE_MINUEND_PLACES=856, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1444, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=77793, PETRI_PLACES=884, PETRI_TRANSITIONS=2836} [2021-12-06 22:22:38,493 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 372 predicate places. [2021-12-06 22:22:38,493 INFO L470 AbstractCegarLoop]: Abstraction has has 884 places, 2836 transitions, 77793 flow [2021-12-06 22:22:38,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 233.44444444444446) internal successors, (4202), 18 states have internal predecessors, (4202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:38,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:22:38,494 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:38,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 22:22:38,494 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:22:38,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:38,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1662704262, now seen corresponding path program 12 times [2021-12-06 22:22:38,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:38,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096690386] [2021-12-06 22:22:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:38,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:22:38,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:38,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096690386] [2021-12-06 22:22:38,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096690386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:22:38,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:22:38,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-06 22:22:38,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794966375] [2021-12-06 22:22:38,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:22:38,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 22:22:38,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:38,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 22:22:38,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:22:38,945 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 514 [2021-12-06 22:22:38,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 2836 transitions, 77793 flow. Second operand has 19 states, 19 states have (on average 232.8421052631579) internal successors, (4424), 19 states have internal predecessors, (4424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:38,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:22:38,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 514 [2021-12-06 22:22:38,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:23:25,454 INFO L129 PetriNetUnfolder]: 20472/58995 cut-off events. [2021-12-06 22:23:25,454 INFO L130 PetriNetUnfolder]: For 681374/682662 co-relation queries the response was YES. [2021-12-06 22:23:27,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261254 conditions, 58995 events. 20472/58995 cut-off events. For 681374/682662 co-relation queries the response was YES. Maximal size of possible extension queue 1188. Compared 726236 event pairs, 5386 based on Foata normal form. 896/57413 useless extension candidates. Maximal degree in co-relation 261002. Up to 22456 conditions per place. [2021-12-06 22:23:27,307 INFO L132 encePairwiseOnDemand]: 471/514 looper letters, 1336 selfloop transitions, 1737 changer transitions 3/3344 dead transitions. [2021-12-06 22:23:27,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 901 places, 3344 transitions, 91930 flow [2021-12-06 22:23:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:23:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-06 22:23:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4517 transitions. [2021-12-06 22:23:27,311 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.4882187635105923 [2021-12-06 22:23:27,311 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4517 transitions. [2021-12-06 22:23:27,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4517 transitions. [2021-12-06 22:23:27,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:23:27,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4517 transitions. [2021-12-06 22:23:27,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 250.94444444444446) internal successors, (4517), 18 states have internal predecessors, (4517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:23:27,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 514.0) internal successors, (9766), 19 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:23:27,324 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 514.0) internal successors, (9766), 19 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:23:27,325 INFO L186 Difference]: Start difference. First operand has 884 places, 2836 transitions, 77793 flow. Second operand 18 states and 4517 transitions. [2021-12-06 22:23:27,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 901 places, 3344 transitions, 91930 flow [2021-12-06 22:23:34,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 892 places, 3344 transitions, 91421 flow, removed 157 selfloop flow, removed 9 redundant places. [2021-12-06 22:23:34,893 INFO L242 Difference]: Finished difference. Result has 901 places, 2989 transitions, 89877 flow [2021-12-06 22:23:34,895 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=77294, PETRI_DIFFERENCE_MINUEND_PLACES=875, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1584, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=89877, PETRI_PLACES=901, PETRI_TRANSITIONS=2989} [2021-12-06 22:23:34,895 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 389 predicate places. [2021-12-06 22:23:34,896 INFO L470 AbstractCegarLoop]: Abstraction has has 901 places, 2989 transitions, 89877 flow [2021-12-06 22:23:34,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 232.8421052631579) internal successors, (4424), 19 states have internal predecessors, (4424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:23:34,896 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:23:34,896 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:23:34,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 22:23:34,897 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:23:34,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:23:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash -612424792, now seen corresponding path program 13 times [2021-12-06 22:23:34,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:23:34,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783172709] [2021-12-06 22:23:34,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:34,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:23:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:23:35,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:23:35,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783172709] [2021-12-06 22:23:35,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783172709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:23:35,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:23:35,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-12-06 22:23:35,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650786347] [2021-12-06 22:23:35,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:23:35,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-06 22:23:35,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:23:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-06 22:23:35,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2021-12-06 22:23:35,587 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 514 [2021-12-06 22:23:35,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 901 places, 2989 transitions, 89877 flow. Second operand has 31 states, 31 states have (on average 189.74193548387098) internal successors, (5882), 31 states have internal predecessors, (5882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:23:35,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:23:35,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 514 [2021-12-06 22:23:35,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:24:39,290 INFO L129 PetriNetUnfolder]: 27039/70429 cut-off events. [2021-12-06 22:24:39,290 INFO L130 PetriNetUnfolder]: For 914424/914667 co-relation queries the response was YES. [2021-12-06 22:24:41,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324160 conditions, 70429 events. 27039/70429 cut-off events. For 914424/914667 co-relation queries the response was YES. Maximal size of possible extension queue 1302. Compared 840476 event pairs, 4705 based on Foata normal form. 250/67900 useless extension candidates. Maximal degree in co-relation 323796. Up to 12929 conditions per place. [2021-12-06 22:24:41,794 INFO L132 encePairwiseOnDemand]: 443/514 looper letters, 1810 selfloop transitions, 1863 changer transitions 6/3889 dead transitions. [2021-12-06 22:24:41,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 3889 transitions, 108844 flow [2021-12-06 22:24:41,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-12-06 22:24:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-12-06 22:24:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 9632 transitions. [2021-12-06 22:24:41,801 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.39040207522697795 [2021-12-06 22:24:41,801 INFO L72 ComplementDD]: Start complementDD. Operand 48 states and 9632 transitions. [2021-12-06 22:24:41,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 9632 transitions. [2021-12-06 22:24:41,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:24:41,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 48 states and 9632 transitions. [2021-12-06 22:24:41,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 49 states, 48 states have (on average 200.66666666666666) internal successors, (9632), 48 states have internal predecessors, (9632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:41,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 49 states, 49 states have (on average 514.0) internal successors, (25186), 49 states have internal predecessors, (25186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:41,822 INFO L81 ComplementDD]: Finished complementDD. Result has 49 states, 49 states have (on average 514.0) internal successors, (25186), 49 states have internal predecessors, (25186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:41,822 INFO L186 Difference]: Start difference. First operand has 901 places, 2989 transitions, 89877 flow. Second operand 48 states and 9632 transitions. [2021-12-06 22:24:41,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 3889 transitions, 108844 flow [2021-12-06 22:24:53,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 944 places, 3889 transitions, 108562 flow, removed 64 selfloop flow, removed 4 redundant places. [2021-12-06 22:24:54,058 INFO L242 Difference]: Finished difference. Result has 957 places, 3157 transitions, 101929 flow [2021-12-06 22:24:54,060 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=89673, PETRI_DIFFERENCE_MINUEND_PLACES=897, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2989, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=48, PETRI_FLOW=101929, PETRI_PLACES=957, PETRI_TRANSITIONS=3157} [2021-12-06 22:24:54,061 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 445 predicate places. [2021-12-06 22:24:54,061 INFO L470 AbstractCegarLoop]: Abstraction has has 957 places, 3157 transitions, 101929 flow [2021-12-06 22:24:54,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 189.74193548387098) internal successors, (5882), 31 states have internal predecessors, (5882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:54,062 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:24:54,063 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:54,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 22:24:54,063 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:24:54,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:54,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1961671933, now seen corresponding path program 1 times [2021-12-06 22:24:54,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:54,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086784468] [2021-12-06 22:24:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:54,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:24:54,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:54,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086784468] [2021-12-06 22:24:54,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086784468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:54,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:54,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-12-06 22:24:54,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967260327] [2021-12-06 22:24:54,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:54,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 22:24:54,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:54,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 22:24:54,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:24:54,789 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 514 [2021-12-06 22:24:54,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 3157 transitions, 101929 flow. Second operand has 21 states, 21 states have (on average 194.47619047619048) internal successors, (4084), 21 states have internal predecessors, (4084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:24:54,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:24:54,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 514 [2021-12-06 22:24:54,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:25:55,269 INFO L129 PetriNetUnfolder]: 23098/65467 cut-off events. [2021-12-06 22:25:55,270 INFO L130 PetriNetUnfolder]: For 961589/961982 co-relation queries the response was YES. [2021-12-06 22:25:57,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308809 conditions, 65467 events. 23098/65467 cut-off events. For 961589/961982 co-relation queries the response was YES. Maximal size of possible extension queue 1319. Compared 805650 event pairs, 7649 based on Foata normal form. 287/63048 useless extension candidates. Maximal degree in co-relation 308522. Up to 37793 conditions per place. [2021-12-06 22:25:57,989 INFO L132 encePairwiseOnDemand]: 459/514 looper letters, 2599 selfloop transitions, 772 changer transitions 2/3604 dead transitions. [2021-12-06 22:25:57,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 3604 transitions, 117440 flow [2021-12-06 22:25:57,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-06 22:25:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-12-06 22:25:57,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 7329 transitions. [2021-12-06 22:25:57,995 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.3853717530760332 [2021-12-06 22:25:57,995 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 7329 transitions. [2021-12-06 22:25:57,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 7329 transitions. [2021-12-06 22:25:57,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:25:57,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 7329 transitions. [2021-12-06 22:25:58,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 198.0810810810811) internal successors, (7329), 37 states have internal predecessors, (7329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:58,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 514.0) internal successors, (19532), 38 states have internal predecessors, (19532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:58,014 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 514.0) internal successors, (19532), 38 states have internal predecessors, (19532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:25:58,014 INFO L186 Difference]: Start difference. First operand has 957 places, 3157 transitions, 101929 flow. Second operand 37 states and 7329 transitions. [2021-12-06 22:25:58,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 3604 transitions, 117440 flow [2021-12-06 22:26:08,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 969 places, 3604 transitions, 116694 flow, removed 124 selfloop flow, removed 24 redundant places. [2021-12-06 22:26:08,970 INFO L242 Difference]: Finished difference. Result has 973 places, 3303 transitions, 107093 flow [2021-12-06 22:26:08,973 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=101408, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=627, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=107093, PETRI_PLACES=973, PETRI_TRANSITIONS=3303} [2021-12-06 22:26:08,973 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 461 predicate places. [2021-12-06 22:26:08,973 INFO L470 AbstractCegarLoop]: Abstraction has has 973 places, 3303 transitions, 107093 flow [2021-12-06 22:26:08,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 194.47619047619048) internal successors, (4084), 21 states have internal predecessors, (4084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:08,974 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:26:08,974 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:08,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 22:26:08,974 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:26:08,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:08,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1061915364, now seen corresponding path program 14 times [2021-12-06 22:26:08,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:08,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099033372] [2021-12-06 22:26:08,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:08,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:26:09,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:09,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099033372] [2021-12-06 22:26:09,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099033372] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:09,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:09,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-06 22:26:09,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155015325] [2021-12-06 22:26:09,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:09,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-06 22:26:09,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:09,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 22:26:09,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:26:09,533 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 514 [2021-12-06 22:26:09,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 973 places, 3303 transitions, 107093 flow. Second operand has 24 states, 24 states have (on average 192.08333333333334) internal successors, (4610), 24 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:26:09,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:26:09,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 514 [2021-12-06 22:26:09,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:27:20,049 INFO L129 PetriNetUnfolder]: 25524/70777 cut-off events. [2021-12-06 22:27:20,049 INFO L130 PetriNetUnfolder]: For 1125855/1126879 co-relation queries the response was YES. [2021-12-06 22:27:22,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 347514 conditions, 70777 events. 25524/70777 cut-off events. For 1125855/1126879 co-relation queries the response was YES. Maximal size of possible extension queue 1394. Compared 876851 event pairs, 7093 based on Foata normal form. 953/68816 useless extension candidates. Maximal degree in co-relation 347218. Up to 26405 conditions per place. [2021-12-06 22:27:22,962 INFO L132 encePairwiseOnDemand]: 443/514 looper letters, 1607 selfloop transitions, 2027 changer transitions 3/3871 dead transitions. [2021-12-06 22:27:22,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1014 places, 3871 transitions, 123985 flow [2021-12-06 22:27:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-12-06 22:27:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-12-06 22:27:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 8255 transitions. [2021-12-06 22:27:22,969 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.3823883639058736 [2021-12-06 22:27:22,969 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 8255 transitions. [2021-12-06 22:27:22,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 8255 transitions. [2021-12-06 22:27:22,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:27:22,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 8255 transitions. [2021-12-06 22:27:22,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 196.54761904761904) internal successors, (8255), 42 states have internal predecessors, (8255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:22,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 514.0) internal successors, (22102), 43 states have internal predecessors, (22102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:22,987 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 514.0) internal successors, (22102), 43 states have internal predecessors, (22102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:22,987 INFO L186 Difference]: Start difference. First operand has 973 places, 3303 transitions, 107093 flow. Second operand 42 states and 8255 transitions. [2021-12-06 22:27:22,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1014 places, 3871 transitions, 123985 flow [2021-12-06 22:27:36,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 999 places, 3871 transitions, 123766 flow, removed 56 selfloop flow, removed 15 redundant places. [2021-12-06 22:27:36,491 INFO L242 Difference]: Finished difference. Result has 1005 places, 3457 transitions, 119797 flow [2021-12-06 22:27:36,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=106916, PETRI_DIFFERENCE_MINUEND_PLACES=958, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1874, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=119797, PETRI_PLACES=1005, PETRI_TRANSITIONS=3457} [2021-12-06 22:27:36,494 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 493 predicate places. [2021-12-06 22:27:36,494 INFO L470 AbstractCegarLoop]: Abstraction has has 1005 places, 3457 transitions, 119797 flow [2021-12-06 22:27:36,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 192.08333333333334) internal successors, (4610), 24 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:36,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:27:36,495 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:36,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 22:27:36,495 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:27:36,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:36,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1414280070, now seen corresponding path program 1 times [2021-12-06 22:27:36,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:36,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682206093] [2021-12-06 22:27:36,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:36,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:27:36,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:36,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682206093] [2021-12-06 22:27:36,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682206093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:27:36,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:27:36,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:27:36,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753728792] [2021-12-06 22:27:36,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:27:36,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:27:36,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:27:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:27:36,632 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 514 [2021-12-06 22:27:36,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1005 places, 3457 transitions, 119797 flow. Second operand has 6 states, 6 states have (on average 306.0) internal successors, (1836), 6 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:27:36,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:27:36,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 514 [2021-12-06 22:27:36,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:28:37,797 INFO L129 PetriNetUnfolder]: 20876/62710 cut-off events. [2021-12-06 22:28:37,797 INFO L130 PetriNetUnfolder]: For 955848/956972 co-relation queries the response was YES. [2021-12-06 22:28:40,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302798 conditions, 62710 events. 20876/62710 cut-off events. For 955848/956972 co-relation queries the response was YES. Maximal size of possible extension queue 1444. Compared 795918 event pairs, 6937 based on Foata normal form. 595/61034 useless extension candidates. Maximal degree in co-relation 302479. Up to 39615 conditions per place. [2021-12-06 22:28:40,380 INFO L132 encePairwiseOnDemand]: 495/514 looper letters, 2678 selfloop transitions, 369 changer transitions 0/3694 dead transitions. [2021-12-06 22:28:40,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1010 places, 3694 transitions, 131734 flow [2021-12-06 22:28:40,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:28:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1956 transitions. [2021-12-06 22:28:40,382 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6342412451361867 [2021-12-06 22:28:40,382 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1956 transitions. [2021-12-06 22:28:40,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1956 transitions. [2021-12-06 22:28:40,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:28:40,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1956 transitions. [2021-12-06 22:28:40,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 326.0) internal successors, (1956), 6 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:40,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:40,386 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 514.0) internal successors, (3598), 7 states have internal predecessors, (3598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:40,386 INFO L186 Difference]: Start difference. First operand has 1005 places, 3457 transitions, 119797 flow. Second operand 6 states and 1956 transitions. [2021-12-06 22:28:40,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1010 places, 3694 transitions, 131734 flow [2021-12-06 22:28:48,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 980 places, 3694 transitions, 130887 flow, removed 255 selfloop flow, removed 30 redundant places. [2021-12-06 22:28:48,915 INFO L242 Difference]: Finished difference. Result has 985 places, 3619 transitions, 123406 flow [2021-12-06 22:28:48,918 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=514, PETRI_DIFFERENCE_MINUEND_FLOW=119028, PETRI_DIFFERENCE_MINUEND_PLACES=975, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=235, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123406, PETRI_PLACES=985, PETRI_TRANSITIONS=3619} [2021-12-06 22:28:48,918 INFO L334 CegarLoopForPetriNet]: 512 programPoint places, 473 predicate places. [2021-12-06 22:28:48,918 INFO L470 AbstractCegarLoop]: Abstraction has has 985 places, 3619 transitions, 123406 flow [2021-12-06 22:28:48,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.0) internal successors, (1836), 6 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:48,918 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:28:48,919 INFO L254 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:48,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 22:28:48,919 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2021-12-06 22:28:48,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:48,919 INFO L85 PathProgramCache]: Analyzing trace with hash 878477383, now seen corresponding path program 1 times [2021-12-06 22:28:48,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:48,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010434558] [2021-12-06 22:28:48,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:48,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 22:28:51,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:51,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010434558] [2021-12-06 22:28:51,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010434558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:51,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:51,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2021-12-06 22:28:51,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182462052] [2021-12-06 22:28:51,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:51,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2021-12-06 22:28:51,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:51,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-12-06 22:28:51,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3245, Unknown=0, NotChecked=0, Total=3540 [2021-12-06 22:28:51,761 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 514 [2021-12-06 22:28:51,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 985 places, 3619 transitions, 123406 flow. Second operand has 60 states, 60 states have (on average 168.38333333333333) internal successors, (10103), 60 states have internal predecessors, (10103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:28:51,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:28:51,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 514 [2021-12-06 22:28:51,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand