./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bb414c2b143fbc9e085574896a10340ca19f82f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:21:55,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:21:55,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:21:55,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:21:55,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:21:55,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:21:55,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:21:55,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:21:55,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:21:55,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:21:55,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:21:55,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:21:55,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:21:55,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:21:55,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:21:55,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:21:55,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:21:55,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:21:55,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:21:55,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:21:55,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:21:55,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:21:55,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:21:55,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:21:55,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:21:55,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:21:55,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:21:55,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:21:55,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:21:55,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:21:55,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:21:55,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:21:55,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:21:55,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:21:55,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:21:55,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:21:55,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:21:55,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:21:55,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:21:55,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:21:55,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:21:55,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:21:55,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:21:55,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:21:55,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:21:55,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:21:55,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:21:55,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:21:55,173 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:21:55,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:21:55,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:21:55,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:21:55,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:21:55,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:21:55,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:21:55,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:21:55,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:21:55,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:21:55,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:21:55,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:21:55,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:21:55,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:21:55,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:21:55,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:21:55,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:21:55,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:21:55,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:21:55,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:21:55,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:21:55,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:21:55,178 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:21:55,178 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:21:55,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:21:55,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:21:55,179 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_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bb414c2b143fbc9e085574896a10340ca19f82f [2021-10-15 19:21:55,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:21:55,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:21:55,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:21:55,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:21:55,486 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:21:55,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2021-10-15 19:21:55,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/data/5731a8936/1077ef5f76fa45b79385cfe83a911b0b/FLAG29893d4f6 [2021-10-15 19:21:56,211 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:21:56,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2021-10-15 19:21:56,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/data/5731a8936/1077ef5f76fa45b79385cfe83a911b0b/FLAG29893d4f6 [2021-10-15 19:21:56,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/data/5731a8936/1077ef5f76fa45b79385cfe83a911b0b [2021-10-15 19:21:56,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:21:56,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:21:56,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:21:56,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:21:56,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:21:56,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:21:56" (1/1) ... [2021-10-15 19:21:56,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ede2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:56, skipping insertion in model container [2021-10-15 19:21:56,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:21:56" (1/1) ... [2021-10-15 19:21:56,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:21:56,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:21:57,530 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2021-10-15 19:21:57,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:21:57,610 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:21:57,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2021-10-15 19:21:57,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:21:57,846 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:21:57,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57 WrapperNode [2021-10-15 19:21:57,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:21:57,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:21:57,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:21:57,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:21:57,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:21:57,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:21:57,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:21:57,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:21:57,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:57,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:21:57,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:21:57,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:21:57,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:21:57,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (1/1) ... [2021-10-15 19:21:58,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:21:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:21:58,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:21:58,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:21:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-10-15 19:21:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-10-15 19:21:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:21:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:21:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-10-15 19:21:58,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-10-15 19:21:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-15 19:21:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:21:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:21:58,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:21:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:21:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:21:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:21:58,071 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-15 19:21:58,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:21:58,706 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-10-15 19:21:58,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:21:58 BoogieIcfgContainer [2021-10-15 19:21:58,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:21:58,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:21:58,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:21:58,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:21:58,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:21:56" (1/3) ... [2021-10-15 19:21:58,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:21:58, skipping insertion in model container [2021-10-15 19:21:58,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:21:57" (2/3) ... [2021-10-15 19:21:58,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:21:58, skipping insertion in model container [2021-10-15 19:21:58,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:21:58" (3/3) ... [2021-10-15 19:21:58,730 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2021-10-15 19:21:58,739 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-15 19:21:58,739 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:21:58,739 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-15 19:21:58,740 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-15 19:21:58,825 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,825 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,826 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,826 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,826 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,826 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,826 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,826 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,827 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,828 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,828 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,828 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,829 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,829 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,830 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,830 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,830 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,830 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,830 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,831 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,831 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,831 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,832 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,832 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,832 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,832 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,833 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,834 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,834 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,835 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,835 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,836 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,836 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,836 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,836 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,836 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,837 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,837 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,837 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,837 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,839 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,841 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,841 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,841 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,842 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,842 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,842 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,842 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,842 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,843 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,848 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,848 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,849 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,849 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,849 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,849 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,849 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,850 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,851 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,851 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,851 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,851 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,852 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,852 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,852 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,852 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,852 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,853 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,853 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,853 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,853 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,854 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,854 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,854 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,855 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,855 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,855 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,855 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,855 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,856 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,856 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,856 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,857 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,857 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,860 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,860 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,861 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,861 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,862 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,862 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,862 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,863 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,863 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,870 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,871 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,871 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,871 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,872 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,872 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,872 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,872 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,872 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,872 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,873 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,873 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,873 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,873 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,873 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,874 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,874 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,874 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,874 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,875 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,875 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,876 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,876 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,876 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,877 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,877 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,877 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,877 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,877 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,877 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,878 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,878 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,878 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,879 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,879 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,879 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,879 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,879 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,880 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,880 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,880 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,880 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,880 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,881 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,881 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,881 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,882 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,882 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,882 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,882 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,882 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,883 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,883 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,884 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,884 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,884 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,884 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,885 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,885 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,886 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,886 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,886 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,886 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,887 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,887 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,887 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,887 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,887 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,888 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,888 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,888 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,888 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,888 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,889 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,889 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,889 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,890 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,890 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,890 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,890 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,890 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,891 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,891 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,891 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,891 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,892 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,892 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,892 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,892 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,892 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,892 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,893 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,893 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,893 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,893 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,893 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,894 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,894 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,894 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,894 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,894 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,895 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,895 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,895 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,895 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,895 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,896 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,896 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,896 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,896 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,896 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,897 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,897 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,897 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,897 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,897 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,897 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,899 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,902 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,903 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,903 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,911 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,911 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,911 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,911 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,911 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,912 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,913 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,914 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,914 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,914 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,915 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,915 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,915 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,915 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,921 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,922 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,922 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,923 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,923 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,924 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,924 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,924 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,924 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,925 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,925 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,925 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,925 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,925 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,926 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,926 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,926 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,926 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,928 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,933 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,933 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,933 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,933 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,933 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,934 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,934 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,934 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,934 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,941 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,942 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,942 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,942 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,942 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,942 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,943 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,943 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,943 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-15 19:21:58,959 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-10-15 19:21:59,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:21:59,015 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, mConcurrency=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 [2021-10-15 19:21:59,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-10-15 19:21:59,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 286 transitions, 602 flow [2021-10-15 19:21:59,145 INFO L129 PetriNetUnfolder]: 33/293 cut-off events. [2021-10-15 19:21:59,145 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-15 19:21:59,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 293 events. 33/293 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 708 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2021-10-15 19:21:59,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 256 places, 286 transitions, 602 flow [2021-10-15 19:21:59,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 195 transitions, 407 flow [2021-10-15 19:21:59,184 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-10-15 19:21:59,187 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:21:59,188 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:21:59,188 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] [2021-10-15 19:21:59,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:21:59,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:21:59,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1155207350, now seen corresponding path program 1 times [2021-10-15 19:21:59,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:21:59,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554945372] [2021-10-15 19:21:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:21:59,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:21:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:21:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:21:59,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:21:59,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554945372] [2021-10-15 19:21:59,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554945372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:21:59,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:21:59,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:21:59,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854516689] [2021-10-15 19:21:59,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:21:59,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:21:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:21:59,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:21:59,768 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 286 [2021-10-15 19:21:59,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 195 transitions, 407 flow. Second operand has 5 states, 5 states have (on average 236.2) internal successors, (1181), 5 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:21:59,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:21:59,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 286 [2021-10-15 19:21:59,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:00,047 INFO L129 PetriNetUnfolder]: 64/508 cut-off events. [2021-10-15 19:22:00,047 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-15 19:22:00,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 508 events. 64/508 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1571 event pairs, 4 based on Foata normal form. 38/478 useless extension candidates. Maximal degree in co-relation 401. Up to 30 conditions per place. [2021-10-15 19:22:00,059 INFO L132 encePairwiseOnDemand]: 265/286 looper letters, 18 selfloop transitions, 12 changer transitions 0/186 dead transitions. [2021-10-15 19:22:00,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 186 transitions, 449 flow [2021-10-15 19:22:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 19:22:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-15 19:22:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1694 transitions. [2021-10-15 19:22:00,090 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-10-15 19:22:00,091 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1694 transitions. [2021-10-15 19:22:00,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1694 transitions. [2021-10-15 19:22:00,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:00,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1694 transitions. [2021-10-15 19:22:00,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,123 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,125 INFO L186 Difference]: Start difference. First operand has 180 places, 195 transitions, 407 flow. Second operand 7 states and 1694 transitions. [2021-10-15 19:22:00,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 186 transitions, 449 flow [2021-10-15 19:22:00,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 186 transitions, 445 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-15 19:22:00,137 INFO L242 Difference]: Finished difference. Result has 178 places, 182 transitions, 412 flow [2021-10-15 19:22:00,139 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=412, PETRI_PLACES=178, PETRI_TRANSITIONS=182} [2021-10-15 19:22:00,140 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, -2 predicate places. [2021-10-15 19:22:00,140 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 182 transitions, 412 flow [2021-10-15 19:22:00,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 236.2) internal successors, (1181), 5 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,142 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:00,142 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] [2021-10-15 19:22:00,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:22:00,143 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:00,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:00,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1935308075, now seen corresponding path program 1 times [2021-10-15 19:22:00,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:00,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396648850] [2021-10-15 19:22:00,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:00,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:00,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:00,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396648850] [2021-10-15 19:22:00,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396648850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:00,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:00,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:00,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508361485] [2021-10-15 19:22:00,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:00,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:00,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:00,292 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 286 [2021-10-15 19:22:00,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 182 transitions, 412 flow. Second operand has 5 states, 5 states have (on average 237.2) internal successors, (1186), 5 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:00,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 286 [2021-10-15 19:22:00,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:00,442 INFO L129 PetriNetUnfolder]: 66/538 cut-off events. [2021-10-15 19:22:00,442 INFO L130 PetriNetUnfolder]: For 34/37 co-relation queries the response was YES. [2021-10-15 19:22:00,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 538 events. 66/538 cut-off events. For 34/37 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1766 event pairs, 8 based on Foata normal form. 1/470 useless extension candidates. Maximal degree in co-relation 404. Up to 44 conditions per place. [2021-10-15 19:22:00,449 INFO L132 encePairwiseOnDemand]: 278/286 looper letters, 20 selfloop transitions, 3 changer transitions 6/182 dead transitions. [2021-10-15 19:22:00,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 182 transitions, 468 flow [2021-10-15 19:22:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-15 19:22:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-15 19:22:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1435 transitions. [2021-10-15 19:22:00,455 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8362470862470862 [2021-10-15 19:22:00,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1435 transitions. [2021-10-15 19:22:00,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1435 transitions. [2021-10-15 19:22:00,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:00,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1435 transitions. [2021-10-15 19:22:00,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.16666666666666) internal successors, (1435), 6 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,468 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,469 INFO L186 Difference]: Start difference. First operand has 178 places, 182 transitions, 412 flow. Second operand 6 states and 1435 transitions. [2021-10-15 19:22:00,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 182 transitions, 468 flow [2021-10-15 19:22:00,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 182 transitions, 449 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-15 19:22:00,478 INFO L242 Difference]: Finished difference. Result has 176 places, 174 transitions, 381 flow [2021-10-15 19:22:00,478 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=381, PETRI_PLACES=176, PETRI_TRANSITIONS=174} [2021-10-15 19:22:00,479 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, -4 predicate places. [2021-10-15 19:22:00,479 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 174 transitions, 381 flow [2021-10-15 19:22:00,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 237.2) internal successors, (1186), 5 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,481 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:00,481 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:00,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:22:00,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:00,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1646976079, now seen corresponding path program 1 times [2021-10-15 19:22:00,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:00,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420313894] [2021-10-15 19:22:00,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:00,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:00,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:00,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420313894] [2021-10-15 19:22:00,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420313894] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:00,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:00,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:00,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038381387] [2021-10-15 19:22:00,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:00,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:00,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:00,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:00,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 286 [2021-10-15 19:22:00,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 174 transitions, 381 flow. Second operand has 5 states, 5 states have (on average 239.8) internal successors, (1199), 5 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:00,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 286 [2021-10-15 19:22:00,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:00,951 INFO L129 PetriNetUnfolder]: 106/779 cut-off events. [2021-10-15 19:22:00,951 INFO L130 PetriNetUnfolder]: For 46/52 co-relation queries the response was YES. [2021-10-15 19:22:00,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 996 conditions, 779 events. 106/779 cut-off events. For 46/52 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3216 event pairs, 7 based on Foata normal form. 0/688 useless extension candidates. Maximal degree in co-relation 909. Up to 47 conditions per place. [2021-10-15 19:22:00,962 INFO L132 encePairwiseOnDemand]: 276/286 looper letters, 38 selfloop transitions, 18 changer transitions 0/207 dead transitions. [2021-10-15 19:22:00,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 207 transitions, 577 flow [2021-10-15 19:22:00,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-15 19:22:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-15 19:22:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2197 transitions. [2021-10-15 19:22:00,970 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8535353535353535 [2021-10-15 19:22:00,970 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2197 transitions. [2021-10-15 19:22:00,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2197 transitions. [2021-10-15 19:22:00,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:00,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2197 transitions. [2021-10-15 19:22:00,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 244.11111111111111) internal successors, (2197), 9 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 286.0) internal successors, (2860), 10 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,991 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 286.0) internal successors, (2860), 10 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:00,991 INFO L186 Difference]: Start difference. First operand has 176 places, 174 transitions, 381 flow. Second operand 9 states and 2197 transitions. [2021-10-15 19:22:00,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 207 transitions, 577 flow [2021-10-15 19:22:00,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 207 transitions, 571 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-15 19:22:00,999 INFO L242 Difference]: Finished difference. Result has 180 places, 189 transitions, 514 flow [2021-10-15 19:22:01,000 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=514, PETRI_PLACES=180, PETRI_TRANSITIONS=189} [2021-10-15 19:22:01,000 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 0 predicate places. [2021-10-15 19:22:01,000 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 189 transitions, 514 flow [2021-10-15 19:22:01,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 239.8) internal successors, (1199), 5 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,002 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:01,002 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:01,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-15 19:22:01,002 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:01,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:01,003 INFO L82 PathProgramCache]: Analyzing trace with hash 2114913214, now seen corresponding path program 1 times [2021-10-15 19:22:01,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:01,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111350596] [2021-10-15 19:22:01,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:01,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:01,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:01,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111350596] [2021-10-15 19:22:01,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111350596] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:01,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:01,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:01,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859501314] [2021-10-15 19:22:01,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:01,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:01,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:01,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:01,131 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 286 [2021-10-15 19:22:01,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 189 transitions, 514 flow. Second operand has 5 states, 5 states have (on average 242.8) internal successors, (1214), 5 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:01,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 286 [2021-10-15 19:22:01,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:01,522 INFO L129 PetriNetUnfolder]: 229/1515 cut-off events. [2021-10-15 19:22:01,523 INFO L130 PetriNetUnfolder]: For 784/823 co-relation queries the response was YES. [2021-10-15 19:22:01,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2475 conditions, 1515 events. 229/1515 cut-off events. For 784/823 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9329 event pairs, 20 based on Foata normal form. 14/1384 useless extension candidates. Maximal degree in co-relation 1524. Up to 102 conditions per place. [2021-10-15 19:22:01,541 INFO L132 encePairwiseOnDemand]: 276/286 looper letters, 46 selfloop transitions, 37 changer transitions 0/245 dead transitions. [2021-10-15 19:22:01,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 245 transitions, 963 flow [2021-10-15 19:22:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-15 19:22:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-15 19:22:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2232 transitions. [2021-10-15 19:22:01,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8671328671328671 [2021-10-15 19:22:01,549 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2232 transitions. [2021-10-15 19:22:01,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2232 transitions. [2021-10-15 19:22:01,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:01,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2232 transitions. [2021-10-15 19:22:01,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 248.0) internal successors, (2232), 9 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 286.0) internal successors, (2860), 10 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,569 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 286.0) internal successors, (2860), 10 states have internal predecessors, (2860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,569 INFO L186 Difference]: Start difference. First operand has 180 places, 189 transitions, 514 flow. Second operand 9 states and 2232 transitions. [2021-10-15 19:22:01,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 245 transitions, 963 flow [2021-10-15 19:22:01,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 245 transitions, 939 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-10-15 19:22:01,586 INFO L242 Difference]: Finished difference. Result has 194 places, 220 transitions, 842 flow [2021-10-15 19:22:01,586 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=842, PETRI_PLACES=194, PETRI_TRANSITIONS=220} [2021-10-15 19:22:01,587 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 14 predicate places. [2021-10-15 19:22:01,587 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 220 transitions, 842 flow [2021-10-15 19:22:01,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 242.8) internal successors, (1214), 5 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,588 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:01,588 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:01,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-15 19:22:01,589 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:01,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:01,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1615906156, now seen corresponding path program 1 times [2021-10-15 19:22:01,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:01,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958535414] [2021-10-15 19:22:01,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:01,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:01,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:01,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958535414] [2021-10-15 19:22:01,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958535414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:01,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:01,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:01,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291147856] [2021-10-15 19:22:01,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:01,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:01,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:01,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:01,753 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 286 [2021-10-15 19:22:01,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 220 transitions, 842 flow. Second operand has 5 states, 5 states have (on average 237.6) internal successors, (1188), 5 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:01,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:01,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 286 [2021-10-15 19:22:01,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:02,142 INFO L129 PetriNetUnfolder]: 256/1607 cut-off events. [2021-10-15 19:22:02,142 INFO L130 PetriNetUnfolder]: For 2334/2427 co-relation queries the response was YES. [2021-10-15 19:22:02,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3322 conditions, 1607 events. 256/1607 cut-off events. For 2334/2427 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 10068 event pairs, 21 based on Foata normal form. 3/1474 useless extension candidates. Maximal degree in co-relation 2362. Up to 163 conditions per place. [2021-10-15 19:22:02,164 INFO L132 encePairwiseOnDemand]: 278/286 looper letters, 53 selfloop transitions, 14 changer transitions 18/252 dead transitions. [2021-10-15 19:22:02,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 252 transitions, 1279 flow [2021-10-15 19:22:02,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-15 19:22:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-15 19:22:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1919 transitions. [2021-10-15 19:22:02,171 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8387237762237763 [2021-10-15 19:22:02,172 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1919 transitions. [2021-10-15 19:22:02,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1919 transitions. [2021-10-15 19:22:02,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:02,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1919 transitions. [2021-10-15 19:22:02,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 239.875) internal successors, (1919), 8 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:02,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 286.0) internal successors, (2574), 9 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:02,187 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 286.0) internal successors, (2574), 9 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:02,188 INFO L186 Difference]: Start difference. First operand has 194 places, 220 transitions, 842 flow. Second operand 8 states and 1919 transitions. [2021-10-15 19:22:02,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 252 transitions, 1279 flow [2021-10-15 19:22:02,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 252 transitions, 1235 flow, removed 22 selfloop flow, removed 0 redundant places. [2021-10-15 19:22:02,207 INFO L242 Difference]: Finished difference. Result has 207 places, 224 transitions, 897 flow [2021-10-15 19:22:02,208 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=897, PETRI_PLACES=207, PETRI_TRANSITIONS=224} [2021-10-15 19:22:02,208 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 27 predicate places. [2021-10-15 19:22:02,208 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 224 transitions, 897 flow [2021-10-15 19:22:02,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 237.6) internal successors, (1188), 5 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:02,209 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:02,209 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:02,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-15 19:22:02,210 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:02,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:02,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1110547443, now seen corresponding path program 1 times [2021-10-15 19:22:02,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:02,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658581785] [2021-10-15 19:22:02,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:02,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:02,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:02,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658581785] [2021-10-15 19:22:02,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658581785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:02,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:02,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:02,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796696798] [2021-10-15 19:22:02,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:02,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:02,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:02,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:02,348 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 286 [2021-10-15 19:22:02,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 224 transitions, 897 flow. Second operand has 5 states, 5 states have (on average 254.0) internal successors, (1270), 5 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:02,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:02,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 286 [2021-10-15 19:22:02,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:03,024 INFO L129 PetriNetUnfolder]: 316/2752 cut-off events. [2021-10-15 19:22:03,024 INFO L130 PetriNetUnfolder]: For 1759/1884 co-relation queries the response was YES. [2021-10-15 19:22:03,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5116 conditions, 2752 events. 316/2752 cut-off events. For 1759/1884 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 22070 event pairs, 19 based on Foata normal form. 3/2530 useless extension candidates. Maximal degree in co-relation 5045. Up to 192 conditions per place. [2021-10-15 19:22:03,067 INFO L132 encePairwiseOnDemand]: 278/286 looper letters, 13 selfloop transitions, 8 changer transitions 0/233 dead transitions. [2021-10-15 19:22:03,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 233 transitions, 957 flow [2021-10-15 19:22:03,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 19:22:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-15 19:22:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1786 transitions. [2021-10-15 19:22:03,075 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8921078921078921 [2021-10-15 19:22:03,075 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1786 transitions. [2021-10-15 19:22:03,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1786 transitions. [2021-10-15 19:22:03,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:03,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1786 transitions. [2021-10-15 19:22:03,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 255.14285714285714) internal successors, (1786), 7 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:03,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:03,090 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:03,091 INFO L186 Difference]: Start difference. First operand has 207 places, 224 transitions, 897 flow. Second operand 7 states and 1786 transitions. [2021-10-15 19:22:03,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 233 transitions, 957 flow [2021-10-15 19:22:03,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 233 transitions, 927 flow, removed 15 selfloop flow, removed 2 redundant places. [2021-10-15 19:22:03,134 INFO L242 Difference]: Finished difference. Result has 214 places, 231 transitions, 925 flow [2021-10-15 19:22:03,134 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=925, PETRI_PLACES=214, PETRI_TRANSITIONS=231} [2021-10-15 19:22:03,134 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 34 predicate places. [2021-10-15 19:22:03,135 INFO L470 AbstractCegarLoop]: Abstraction has has 214 places, 231 transitions, 925 flow [2021-10-15 19:22:03,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 254.0) internal successors, (1270), 5 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:03,135 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:03,136 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:03,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-15 19:22:03,136 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:03,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1357714477, now seen corresponding path program 1 times [2021-10-15 19:22:03,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:03,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50206451] [2021-10-15 19:22:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:03,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:03,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:03,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50206451] [2021-10-15 19:22:03,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50206451] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:03,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:03,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:03,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175002632] [2021-10-15 19:22:03,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:03,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:03,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:03,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:03,293 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 286 [2021-10-15 19:22:03,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 231 transitions, 925 flow. Second operand has 5 states, 5 states have (on average 254.8) internal successors, (1274), 5 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:03,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:03,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 286 [2021-10-15 19:22:03,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:04,158 INFO L129 PetriNetUnfolder]: 384/3486 cut-off events. [2021-10-15 19:22:04,158 INFO L130 PetriNetUnfolder]: For 2051/2239 co-relation queries the response was YES. [2021-10-15 19:22:04,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6592 conditions, 3486 events. 384/3486 cut-off events. For 2051/2239 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 30395 event pairs, 24 based on Foata normal form. 4/3230 useless extension candidates. Maximal degree in co-relation 5902. Up to 236 conditions per place. [2021-10-15 19:22:04,212 INFO L132 encePairwiseOnDemand]: 279/286 looper letters, 17 selfloop transitions, 9 changer transitions 0/246 dead transitions. [2021-10-15 19:22:04,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 246 transitions, 1007 flow [2021-10-15 19:22:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 19:22:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-15 19:22:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1798 transitions. [2021-10-15 19:22:04,218 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8981018981018981 [2021-10-15 19:22:04,218 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1798 transitions. [2021-10-15 19:22:04,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1798 transitions. [2021-10-15 19:22:04,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:04,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1798 transitions. [2021-10-15 19:22:04,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 256.85714285714283) internal successors, (1798), 7 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,231 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,232 INFO L186 Difference]: Start difference. First operand has 214 places, 231 transitions, 925 flow. Second operand 7 states and 1798 transitions. [2021-10-15 19:22:04,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 246 transitions, 1007 flow [2021-10-15 19:22:04,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 246 transitions, 1007 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:22:04,308 INFO L242 Difference]: Finished difference. Result has 226 places, 239 transitions, 993 flow [2021-10-15 19:22:04,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=993, PETRI_PLACES=226, PETRI_TRANSITIONS=239} [2021-10-15 19:22:04,309 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 46 predicate places. [2021-10-15 19:22:04,309 INFO L470 AbstractCegarLoop]: Abstraction has has 226 places, 239 transitions, 993 flow [2021-10-15 19:22:04,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 254.8) internal successors, (1274), 5 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,310 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:04,310 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:04,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-15 19:22:04,310 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbThread1of1ForFork0Err2INUSE_VIOLATION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:04,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:04,311 INFO L82 PathProgramCache]: Analyzing trace with hash -945964588, now seen corresponding path program 1 times [2021-10-15 19:22:04,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:04,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041324709] [2021-10-15 19:22:04,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:04,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:22:04,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:04,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041324709] [2021-10-15 19:22:04,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041324709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:04,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:04,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:22:04,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836821099] [2021-10-15 19:22:04,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:22:04,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:04,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:22:04,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:22:04,405 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 286 [2021-10-15 19:22:04,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 239 transitions, 993 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:04,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 286 [2021-10-15 19:22:04,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:04,565 INFO L129 PetriNetUnfolder]: 51/587 cut-off events. [2021-10-15 19:22:04,566 INFO L130 PetriNetUnfolder]: For 150/150 co-relation queries the response was YES. [2021-10-15 19:22:04,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 587 events. 51/587 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1934 event pairs, 0 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 883. Up to 46 conditions per place. [2021-10-15 19:22:04,576 INFO L132 encePairwiseOnDemand]: 280/286 looper letters, 9 selfloop transitions, 2 changer transitions 37/192 dead transitions. [2021-10-15 19:22:04,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 192 transitions, 664 flow [2021-10-15 19:22:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:22:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:22:04,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2021-10-15 19:22:04,580 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8787878787878788 [2021-10-15 19:22:04,580 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2021-10-15 19:22:04,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2021-10-15 19:22:04,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:04,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2021-10-15 19:22:04,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,597 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 286.0) internal successors, (1144), 4 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,597 INFO L186 Difference]: Start difference. First operand has 226 places, 239 transitions, 993 flow. Second operand 3 states and 754 transitions. [2021-10-15 19:22:04,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 192 transitions, 664 flow [2021-10-15 19:22:04,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 573 flow, removed 19 selfloop flow, removed 23 redundant places. [2021-10-15 19:22:04,607 INFO L242 Difference]: Finished difference. Result has 196 places, 153 transitions, 436 flow [2021-10-15 19:22:04,607 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=196, PETRI_TRANSITIONS=153} [2021-10-15 19:22:04,608 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 16 predicate places. [2021-10-15 19:22:04,608 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 153 transitions, 436 flow [2021-10-15 19:22:04,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,608 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:22:04,609 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:22:04,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-15 19:22:04,609 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-10-15 19:22:04,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:22:04,610 INFO L82 PathProgramCache]: Analyzing trace with hash 826682519, now seen corresponding path program 1 times [2021-10-15 19:22:04,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:22:04,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55593803] [2021-10-15 19:22:04,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:22:04,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:22:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:22:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-15 19:22:04,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:22:04,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55593803] [2021-10-15 19:22:04,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55593803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:22:04,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:22:04,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:22:04,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39879875] [2021-10-15 19:22:04,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:22:04,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:22:04,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:22:04,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:22:04,755 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 286 [2021-10-15 19:22:04,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 153 transitions, 436 flow. Second operand has 5 states, 5 states have (on average 239.8) internal successors, (1199), 5 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:22:04,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 286 [2021-10-15 19:22:04,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:22:04,868 INFO L129 PetriNetUnfolder]: 31/337 cut-off events. [2021-10-15 19:22:04,869 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-10-15 19:22:04,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 337 events. 31/337 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 544 event pairs, 0 based on Foata normal form. 2/309 useless extension candidates. Maximal degree in co-relation 474. Up to 22 conditions per place. [2021-10-15 19:22:04,873 INFO L132 encePairwiseOnDemand]: 280/286 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2021-10-15 19:22:04,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 156 transitions, 496 flow [2021-10-15 19:22:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-15 19:22:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-15 19:22:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1447 transitions. [2021-10-15 19:22:04,879 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8432400932400932 [2021-10-15 19:22:04,879 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1447 transitions. [2021-10-15 19:22:04,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1447 transitions. [2021-10-15 19:22:04,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:22:04,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1447 transitions. [2021-10-15 19:22:04,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.16666666666666) internal successors, (1447), 6 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,891 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 286.0) internal successors, (2002), 7 states have internal predecessors, (2002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,892 INFO L186 Difference]: Start difference. First operand has 196 places, 153 transitions, 436 flow. Second operand 6 states and 1447 transitions. [2021-10-15 19:22:04,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 156 transitions, 496 flow [2021-10-15 19:22:04,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 156 transitions, 463 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-10-15 19:22:04,898 INFO L242 Difference]: Finished difference. Result has 161 places, 0 transitions, 0 flow [2021-10-15 19:22:04,898 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=161, PETRI_TRANSITIONS=0} [2021-10-15 19:22:04,898 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, -19 predicate places. [2021-10-15 19:22:04,898 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 0 transitions, 0 flow [2021-10-15 19:22:04,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 239.8) internal successors, (1199), 5 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:22:04,902 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,902 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-15 19:22:04,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,903 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,904 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1INUSE_VIOLATION [2021-10-15 19:22:04,905 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,905 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:22:04,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATION [2021-10-15 19:22:04,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-15 19:22:04,919 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-15 19:22:04,919 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:22:04,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:22:04 BasicIcfg [2021-10-15 19:22:04,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:22:04,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:22:04,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:22:04,923 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:22:04,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:21:58" (3/4) ... [2021-10-15 19:22:04,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-15 19:22:04,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2021-10-15 19:22:04,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2021-10-15 19:22:04,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-15 19:22:04,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-15 19:22:04,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-15 19:22:04,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-15 19:22:05,011 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:22:05,011 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:22:05,013 INFO L168 Benchmark]: Toolchain (without parser) took 8599.76 ms. Allocated memory was 86.0 MB in the beginning and 385.9 MB in the end (delta: 299.9 MB). Free memory was 48.2 MB in the beginning and 166.1 MB in the end (delta: -117.8 MB). Peak memory consumption was 181.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,014 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:22:05,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1433.13 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 74.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.16 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 70.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,016 INFO L168 Benchmark]: Boogie Preprocessor took 52.80 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 68.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,016 INFO L168 Benchmark]: RCFGBuilder took 727.92 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 47.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,016 INFO L168 Benchmark]: TraceAbstraction took 6212.24 ms. Allocated memory was 104.9 MB in the beginning and 385.9 MB in the end (delta: 281.0 MB). Free memory was 47.2 MB in the beginning and 169.2 MB in the end (delta: -122.0 MB). Peak memory consumption was 159.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,017 INFO L168 Benchmark]: Witness Printer took 88.61 ms. Allocated memory is still 385.9 MB. Free memory was 169.2 MB in the beginning and 166.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:22:05,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1433.13 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 74.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.16 ms. Allocated memory is still 104.9 MB. Free memory was 74.5 MB in the beginning and 70.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.80 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 68.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 727.92 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 47.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6212.24 ms. Allocated memory was 104.9 MB in the beginning and 385.9 MB in the end (delta: 281.0 MB). Free memory was 47.2 MB in the beginning and 169.2 MB in the end (delta: -122.0 MB). Peak memory consumption was 159.0 MB. Max. memory is 16.1 GB. * Witness Printer took 88.61 ms. Allocated memory is still 385.9 MB. Free memory was 169.2 MB in the beginning and 166.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 279 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 20.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5907.6ms, OverallIterations: 9, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 3973.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 151.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 163 SDtfs, 189 SDslu, 214 SDs, 0 SdLazy, 267 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 289.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 291.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=993occurred in iteration=7, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 44.9ms SsaConstructionTime, 203.9ms SatisfiabilityAnalysisTime, 1026.3ms InterpolantComputationTime, 632 NumberOfCodeBlocks, 632 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 21/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-15 19:22:05,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445f1584-a83e-4986-9957-528cd4c6a9c7/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...