/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 19:02:12,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 19:02:12,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 19:02:13,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 19:02:13,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 19:02:13,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 19:02:13,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 19:02:13,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 19:02:13,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 19:02:13,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 19:02:13,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 19:02:13,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 19:02:13,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 19:02:13,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 19:02:13,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 19:02:13,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 19:02:13,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 19:02:13,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 19:02:13,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 19:02:13,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 19:02:13,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 19:02:13,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 19:02:13,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 19:02:13,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 19:02:13,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 19:02:13,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 19:02:13,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 19:02:13,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 19:02:13,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 19:02:13,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 19:02:13,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 19:02:13,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 19:02:13,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 19:02:13,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 19:02:13,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 19:02:13,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 19:02:13,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 19:02:13,127 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 19:02:13,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 19:02:13,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 19:02:13,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 19:02:13,131 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 19:02:13,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 19:02:13,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 19:02:13,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 19:02:13,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 19:02:13,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 19:02:13,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 19:02:13,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 19:02:13,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 19:02:13,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 19:02:13,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 19:02:13,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 19:02:13,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 19:02:13,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 19:02:13,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 19:02:13,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 19:02:13,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 19:02:13,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 19:02:13,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 19:02:13,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 19:02:13,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 19:02:13,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 19:02:13,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 19:02:13,137 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 19:02:13,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 19:02:13,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 19:02:13,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 19:02:13,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 19:02:13,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 19:02:13,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 19:02:13,436 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 19:02:13,436 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-11 19:02:13,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1609ed885/5f5b65a41e6c41df82fe78b32542aae5/FLAG621ba71a3 [2020-10-11 19:02:14,007 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 19:02:14,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-11 19:02:14,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1609ed885/5f5b65a41e6c41df82fe78b32542aae5/FLAG621ba71a3 [2020-10-11 19:02:14,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1609ed885/5f5b65a41e6c41df82fe78b32542aae5 [2020-10-11 19:02:14,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 19:02:14,241 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 19:02:14,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 19:02:14,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 19:02:14,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 19:02:14,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:02:14" (1/1) ... [2020-10-11 19:02:14,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ac2f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:14, skipping insertion in model container [2020-10-11 19:02:14,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:02:14" (1/1) ... [2020-10-11 19:02:14,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 19:02:14,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 19:02:15,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:02:15,152 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 19:02:15,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:02:15,616 INFO L208 MainTranslator]: Completed translation [2020-10-11 19:02:15,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15 WrapperNode [2020-10-11 19:02:15,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 19:02:15,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 19:02:15,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 19:02:15,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 19:02:15,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 19:02:15,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 19:02:15,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 19:02:15,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 19:02:15,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... [2020-10-11 19:02:15,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 19:02:15,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 19:02:15,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 19:02:15,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 19:02:15,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 19:02:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-11 19:02:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-11 19:02:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 19:02:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 19:02:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-11 19:02:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-11 19:02:15,843 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 19:02:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-11 19:02:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 19:02:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 19:02:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 19:02:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 19:02:15,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 19:02:15,848 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 19:02:16,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 19:02:16,567 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-11 19:02:16,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:16 BoogieIcfgContainer [2020-10-11 19:02:16,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 19:02:16,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 19:02:16,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 19:02:16,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 19:02:16,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:02:14" (1/3) ... [2020-10-11 19:02:16,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a39ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:16, skipping insertion in model container [2020-10-11 19:02:16,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:15" (2/3) ... [2020-10-11 19:02:16,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a39ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:16, skipping insertion in model container [2020-10-11 19:02:16,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:16" (3/3) ... [2020-10-11 19:02:16,584 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-10-11 19:02:16,596 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 19:02:16,608 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-11 19:02:16,609 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 19:02:16,657 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,657 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,658 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,658 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,658 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,659 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,659 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,659 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,659 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,660 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,660 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,660 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,661 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,661 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,661 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,661 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,661 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,662 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,662 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,662 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,662 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,663 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,663 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,663 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,663 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,663 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,664 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,672 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,672 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,672 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,672 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,674 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,674 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,674 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,674 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,675 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,675 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,676 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,677 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,677 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,677 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,677 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,677 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,678 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,678 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,678 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,678 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,678 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,679 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,679 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,679 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,680 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,680 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,680 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,680 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,680 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,681 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,681 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,681 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,682 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,682 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,682 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,682 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,682 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,682 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,683 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,683 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,683 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,684 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,684 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,684 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,684 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,685 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,686 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,687 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,688 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,688 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,689 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,690 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,690 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,691 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,691 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,692 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,694 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,696 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,696 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,696 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,696 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,697 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,697 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,697 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,697 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,699 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,703 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,704 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,704 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,704 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,711 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,712 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,712 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,713 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,714 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,714 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,714 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,719 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,720 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,720 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,720 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,720 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,721 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,721 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,721 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,721 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,729 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,729 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,730 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,730 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,731 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,731 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,731 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,731 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,731 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,732 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,732 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,732 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,732 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,732 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,732 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,733 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,733 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,733 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,735 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,735 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,736 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,736 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,737 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,737 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,737 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,737 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,737 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:16,773 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-10-11 19:02:16,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 19:02:16,793 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 19:02:16,793 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 19:02:16,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 19:02:16,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 19:02:16,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 19:02:16,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 19:02:16,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 19:02:16,813 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-10-11 19:02:16,955 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-10-11 19:02:16,955 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-11 19:02:16,965 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-10-11 19:02:16,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 269 transitions, 580 flow [2020-10-11 19:02:16,976 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 182 transitions, 387 flow [2020-10-11 19:02:16,981 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2020-10-11 19:02:16,982 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 19:02:16,982 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:16,983 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:16,983 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:16,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:16,989 INFO L82 PathProgramCache]: Analyzing trace with hash 511218125, now seen corresponding path program 1 times [2020-10-11 19:02:17,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:17,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679367763] [2020-10-11 19:02:17,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:17,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679367763] [2020-10-11 19:02:17,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:17,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:17,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892521743] [2020-10-11 19:02:17,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:17,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:17,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:17,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:17,890 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 269 [2020-10-11 19:02:17,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 182 transitions, 387 flow. Second operand 5 states. [2020-10-11 19:02:17,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:17,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 269 [2020-10-11 19:02:17,895 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:18,116 INFO L129 PetriNetUnfolder]: 144/886 cut-off events. [2020-10-11 19:02:18,116 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2020-10-11 19:02:18,122 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 886 events. 144/886 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4182 event pairs, 3 based on Foata normal form. 114/866 useless extension candidates. Maximal degree in co-relation 916. Up to 65 conditions per place. [2020-10-11 19:02:18,129 INFO L132 encePairwiseOnDemand]: 247/269 looper letters, 17 selfloop transitions, 13 changer transitions 0/181 dead transitions. [2020-10-11 19:02:18,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 181 transitions, 445 flow [2020-10-11 19:02:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 19:02:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 19:02:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1674 transitions. [2020-10-11 19:02:18,151 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8890069038767924 [2020-10-11 19:02:18,152 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1674 transitions. [2020-10-11 19:02:18,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1674 transitions. [2020-10-11 19:02:18,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:18,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1674 transitions. [2020-10-11 19:02:18,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 19:02:18,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 19:02:18,179 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 19:02:18,181 INFO L185 Difference]: Start difference. First operand has 165 places, 182 transitions, 387 flow. Second operand 7 states and 1674 transitions. [2020-10-11 19:02:18,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 181 transitions, 445 flow [2020-10-11 19:02:18,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 181 transitions, 441 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 19:02:18,192 INFO L241 Difference]: Finished difference. Result has 168 places, 175 transitions, 409 flow [2020-10-11 19:02:18,196 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=409, PETRI_PLACES=168, PETRI_TRANSITIONS=175} [2020-10-11 19:02:18,196 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 3 predicate places. [2020-10-11 19:02:18,197 INFO L481 AbstractCegarLoop]: Abstraction has has 168 places, 175 transitions, 409 flow [2020-10-11 19:02:18,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:18,197 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:18,197 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:18,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 19:02:18,198 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:18,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:18,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2020152462, now seen corresponding path program 1 times [2020-10-11 19:02:18,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:18,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641700904] [2020-10-11 19:02:18,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:18,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641700904] [2020-10-11 19:02:18,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:18,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:18,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311352943] [2020-10-11 19:02:18,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:18,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:18,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:18,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:18,594 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 269 [2020-10-11 19:02:18,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 175 transitions, 409 flow. Second operand 5 states. [2020-10-11 19:02:18,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:18,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 269 [2020-10-11 19:02:18,596 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:18,831 INFO L129 PetriNetUnfolder]: 144/884 cut-off events. [2020-10-11 19:02:18,832 INFO L130 PetriNetUnfolder]: For 98/141 co-relation queries the response was YES. [2020-10-11 19:02:18,839 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 884 events. 144/884 cut-off events. For 98/141 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4190 event pairs, 7 based on Foata normal form. 4/758 useless extension candidates. Maximal degree in co-relation 353. Up to 96 conditions per place. [2020-10-11 19:02:18,846 INFO L132 encePairwiseOnDemand]: 261/269 looper letters, 19 selfloop transitions, 3 changer transitions 6/176 dead transitions. [2020-10-11 19:02:18,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 176 transitions, 469 flow [2020-10-11 19:02:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 19:02:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 19:02:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1409 transitions. [2020-10-11 19:02:18,853 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8729863692688972 [2020-10-11 19:02:18,853 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1409 transitions. [2020-10-11 19:02:18,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1409 transitions. [2020-10-11 19:02:18,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:18,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1409 transitions. [2020-10-11 19:02:18,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 19:02:18,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 19:02:18,862 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 19:02:18,862 INFO L185 Difference]: Start difference. First operand has 168 places, 175 transitions, 409 flow. Second operand 6 states and 1409 transitions. [2020-10-11 19:02:18,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 176 transitions, 469 flow [2020-10-11 19:02:18,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 176 transitions, 449 flow, removed 0 selfloop flow, removed 5 redundant places. [2020-10-11 19:02:18,870 INFO L241 Difference]: Finished difference. Result has 166 places, 167 transitions, 377 flow [2020-10-11 19:02:18,871 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=377, PETRI_PLACES=166, PETRI_TRANSITIONS=167} [2020-10-11 19:02:18,871 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 1 predicate places. [2020-10-11 19:02:18,871 INFO L481 AbstractCegarLoop]: Abstraction has has 166 places, 167 transitions, 377 flow [2020-10-11 19:02:18,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:18,872 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:18,872 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:18,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 19:02:18,873 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:18,873 INFO L82 PathProgramCache]: Analyzing trace with hash 66931279, now seen corresponding path program 1 times [2020-10-11 19:02:18,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:18,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695000783] [2020-10-11 19:02:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:18,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695000783] [2020-10-11 19:02:18,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:18,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:18,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425319760] [2020-10-11 19:02:18,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:18,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:18,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:18,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:19,285 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 269 [2020-10-11 19:02:19,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 167 transitions, 377 flow. Second operand 5 states. [2020-10-11 19:02:19,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:19,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 269 [2020-10-11 19:02:19,287 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:19,725 INFO L129 PetriNetUnfolder]: 282/1942 cut-off events. [2020-10-11 19:02:19,725 INFO L130 PetriNetUnfolder]: For 183/292 co-relation queries the response was YES. [2020-10-11 19:02:19,739 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2593 conditions, 1942 events. 282/1942 cut-off events. For 183/292 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 11809 event pairs, 8 based on Foata normal form. 4/1714 useless extension candidates. Maximal degree in co-relation 2211. Up to 198 conditions per place. [2020-10-11 19:02:19,753 INFO L132 encePairwiseOnDemand]: 259/269 looper letters, 30 selfloop transitions, 21 changer transitions 0/197 dead transitions. [2020-10-11 19:02:19,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 197 transitions, 571 flow [2020-10-11 19:02:19,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 19:02:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 19:02:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2164 transitions. [2020-10-11 19:02:19,762 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8938455183808344 [2020-10-11 19:02:19,762 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2164 transitions. [2020-10-11 19:02:19,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2164 transitions. [2020-10-11 19:02:19,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:19,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2164 transitions. [2020-10-11 19:02:19,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 19:02:19,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 19:02:19,774 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 19:02:19,775 INFO L185 Difference]: Start difference. First operand has 166 places, 167 transitions, 377 flow. Second operand 9 states and 2164 transitions. [2020-10-11 19:02:19,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 197 transitions, 571 flow [2020-10-11 19:02:19,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 197 transitions, 565 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 19:02:19,783 INFO L241 Difference]: Finished difference. Result has 170 places, 185 transitions, 541 flow [2020-10-11 19:02:19,783 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=541, PETRI_PLACES=170, PETRI_TRANSITIONS=185} [2020-10-11 19:02:19,784 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 5 predicate places. [2020-10-11 19:02:19,784 INFO L481 AbstractCegarLoop]: Abstraction has has 170 places, 185 transitions, 541 flow [2020-10-11 19:02:19,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:19,784 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:19,784 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:19,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 19:02:19,785 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:19,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1821618395, now seen corresponding path program 1 times [2020-10-11 19:02:19,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:19,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235555013] [2020-10-11 19:02:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:19,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235555013] [2020-10-11 19:02:19,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:19,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:19,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125417546] [2020-10-11 19:02:19,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:19,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:19,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:19,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:20,086 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 269 [2020-10-11 19:02:20,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 185 transitions, 541 flow. Second operand 5 states. [2020-10-11 19:02:20,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:20,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 269 [2020-10-11 19:02:20,087 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:21,132 INFO L129 PetriNetUnfolder]: 658/4602 cut-off events. [2020-10-11 19:02:21,132 INFO L130 PetriNetUnfolder]: For 4570/4947 co-relation queries the response was YES. [2020-10-11 19:02:21,163 INFO L80 FinitePrefix]: Finished finitePrefix Result has 8197 conditions, 4602 events. 658/4602 cut-off events. For 4570/4947 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 40035 event pairs, 79 based on Foata normal form. 60/4183 useless extension candidates. Maximal degree in co-relation 5255. Up to 485 conditions per place. [2020-10-11 19:02:21,190 INFO L132 encePairwiseOnDemand]: 259/269 looper letters, 47 selfloop transitions, 42 changer transitions 0/249 dead transitions. [2020-10-11 19:02:21,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 249 transitions, 1153 flow [2020-10-11 19:02:21,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 19:02:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 19:02:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2204 transitions. [2020-10-11 19:02:21,197 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9103676166873192 [2020-10-11 19:02:21,197 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2204 transitions. [2020-10-11 19:02:21,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2204 transitions. [2020-10-11 19:02:21,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:21,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2204 transitions. [2020-10-11 19:02:21,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 19:02:21,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 19:02:21,207 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 19:02:21,207 INFO L185 Difference]: Start difference. First operand has 170 places, 185 transitions, 541 flow. Second operand 9 states and 2204 transitions. [2020-10-11 19:02:21,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 249 transitions, 1153 flow [2020-10-11 19:02:21,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 249 transitions, 1097 flow, removed 28 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:21,225 INFO L241 Difference]: Finished difference. Result has 185 places, 224 transitions, 997 flow [2020-10-11 19:02:21,226 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=997, PETRI_PLACES=185, PETRI_TRANSITIONS=224} [2020-10-11 19:02:21,226 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 20 predicate places. [2020-10-11 19:02:21,226 INFO L481 AbstractCegarLoop]: Abstraction has has 185 places, 224 transitions, 997 flow [2020-10-11 19:02:21,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:21,226 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:21,227 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:21,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 19:02:21,227 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:21,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:21,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1065226021, now seen corresponding path program 1 times [2020-10-11 19:02:21,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:21,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508507998] [2020-10-11 19:02:21,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:21,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508507998] [2020-10-11 19:02:21,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:21,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:21,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777244149] [2020-10-11 19:02:21,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:21,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:21,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:21,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:21,620 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 269 [2020-10-11 19:02:21,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 224 transitions, 997 flow. Second operand 5 states. [2020-10-11 19:02:21,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:21,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 269 [2020-10-11 19:02:21,621 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:23,568 INFO L129 PetriNetUnfolder]: 1715/8819 cut-off events. [2020-10-11 19:02:23,568 INFO L130 PetriNetUnfolder]: For 24954/26741 co-relation queries the response was YES. [2020-10-11 19:02:23,640 INFO L80 FinitePrefix]: Finished finitePrefix Result has 21027 conditions, 8819 events. 1715/8819 cut-off events. For 24954/26741 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 87958 event pairs, 186 based on Foata normal form. 168/7985 useless extension candidates. Maximal degree in co-relation 14353. Up to 945 conditions per place. [2020-10-11 19:02:23,691 INFO L132 encePairwiseOnDemand]: 259/269 looper letters, 115 selfloop transitions, 37 changer transitions 0/321 dead transitions. [2020-10-11 19:02:23,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 321 transitions, 2350 flow [2020-10-11 19:02:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 19:02:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-11 19:02:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1890 transitions. [2020-10-11 19:02:23,696 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8782527881040892 [2020-10-11 19:02:23,697 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1890 transitions. [2020-10-11 19:02:23,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1890 transitions. [2020-10-11 19:02:23,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:23,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1890 transitions. [2020-10-11 19:02:23,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-11 19:02:23,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-11 19:02:23,705 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-11 19:02:23,706 INFO L185 Difference]: Start difference. First operand has 185 places, 224 transitions, 997 flow. Second operand 8 states and 1890 transitions. [2020-10-11 19:02:23,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 321 transitions, 2350 flow [2020-10-11 19:02:23,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 321 transitions, 2240 flow, removed 55 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:23,748 INFO L241 Difference]: Finished difference. Result has 197 places, 245 transitions, 1329 flow [2020-10-11 19:02:23,749 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=953, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1329, PETRI_PLACES=197, PETRI_TRANSITIONS=245} [2020-10-11 19:02:23,749 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 32 predicate places. [2020-10-11 19:02:23,749 INFO L481 AbstractCegarLoop]: Abstraction has has 197 places, 245 transitions, 1329 flow [2020-10-11 19:02:23,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:23,750 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:23,750 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:23,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 19:02:23,750 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:23,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:23,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1793003688, now seen corresponding path program 1 times [2020-10-11 19:02:23,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:23,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806494613] [2020-10-11 19:02:23,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:23,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806494613] [2020-10-11 19:02:23,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:23,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:23,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965767133] [2020-10-11 19:02:23,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:23,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:23,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:23,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:23,961 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 269 [2020-10-11 19:02:23,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 245 transitions, 1329 flow. Second operand 5 states. [2020-10-11 19:02:23,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:23,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 269 [2020-10-11 19:02:23,962 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:27,723 INFO L129 PetriNetUnfolder]: 2879/17202 cut-off events. [2020-10-11 19:02:27,723 INFO L130 PetriNetUnfolder]: For 45656/51183 co-relation queries the response was YES. [2020-10-11 19:02:27,802 INFO L80 FinitePrefix]: Finished finitePrefix Result has 41668 conditions, 17202 events. 2879/17202 cut-off events. For 45656/51183 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 205336 event pairs, 379 based on Foata normal form. 92/15650 useless extension candidates. Maximal degree in co-relation 37884. Up to 1757 conditions per place. [2020-10-11 19:02:27,875 INFO L132 encePairwiseOnDemand]: 262/269 looper letters, 13 selfloop transitions, 9 changer transitions 0/257 dead transitions. [2020-10-11 19:02:27,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 257 transitions, 1397 flow [2020-10-11 19:02:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 19:02:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 19:02:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1738 transitions. [2020-10-11 19:02:27,880 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9229952203929899 [2020-10-11 19:02:27,881 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1738 transitions. [2020-10-11 19:02:27,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1738 transitions. [2020-10-11 19:02:27,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:27,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1738 transitions. [2020-10-11 19:02:27,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 19:02:27,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 19:02:27,888 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 19:02:27,888 INFO L185 Difference]: Start difference. First operand has 197 places, 245 transitions, 1329 flow. Second operand 7 states and 1738 transitions. [2020-10-11 19:02:27,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 257 transitions, 1397 flow [2020-10-11 19:02:28,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 257 transitions, 1331 flow, removed 33 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:28,263 INFO L241 Difference]: Finished difference. Result has 209 places, 253 transitions, 1331 flow [2020-10-11 19:02:28,264 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1331, PETRI_PLACES=209, PETRI_TRANSITIONS=253} [2020-10-11 19:02:28,264 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 44 predicate places. [2020-10-11 19:02:28,265 INFO L481 AbstractCegarLoop]: Abstraction has has 209 places, 253 transitions, 1331 flow [2020-10-11 19:02:28,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:28,265 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:28,265 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:28,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 19:02:28,266 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:28,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:28,266 INFO L82 PathProgramCache]: Analyzing trace with hash -810931784, now seen corresponding path program 1 times [2020-10-11 19:02:28,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:28,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792398976] [2020-10-11 19:02:28,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:28,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792398976] [2020-10-11 19:02:28,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:28,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:28,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027680820] [2020-10-11 19:02:28,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:28,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:28,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:28,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:28,455 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 269 [2020-10-11 19:02:28,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 253 transitions, 1331 flow. Second operand 5 states. [2020-10-11 19:02:28,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:28,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 269 [2020-10-11 19:02:28,456 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:31,881 INFO L129 PetriNetUnfolder]: 3820/22802 cut-off events. [2020-10-11 19:02:31,881 INFO L130 PetriNetUnfolder]: For 52528/71473 co-relation queries the response was YES. [2020-10-11 19:02:32,010 INFO L80 FinitePrefix]: Finished finitePrefix Result has 53590 conditions, 22802 events. 3820/22802 cut-off events. For 52528/71473 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 286857 event pairs, 547 based on Foata normal form. 159/20699 useless extension candidates. Maximal degree in co-relation 48599. Up to 2319 conditions per place. [2020-10-11 19:02:32,096 INFO L132 encePairwiseOnDemand]: 261/269 looper letters, 11 selfloop transitions, 8 changer transitions 0/261 dead transitions. [2020-10-11 19:02:32,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 261 transitions, 1385 flow [2020-10-11 19:02:32,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 19:02:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 19:02:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1728 transitions. [2020-10-11 19:02:32,102 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9176845459373341 [2020-10-11 19:02:32,102 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1728 transitions. [2020-10-11 19:02:32,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1728 transitions. [2020-10-11 19:02:32,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:32,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1728 transitions. [2020-10-11 19:02:32,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 19:02:32,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 19:02:32,110 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 19:02:32,110 INFO L185 Difference]: Start difference. First operand has 209 places, 253 transitions, 1331 flow. Second operand 7 states and 1728 transitions. [2020-10-11 19:02:32,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 261 transitions, 1385 flow [2020-10-11 19:02:32,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 261 transitions, 1385 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:32,523 INFO L241 Difference]: Finished difference. Result has 220 places, 260 transitions, 1389 flow [2020-10-11 19:02:32,524 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=1331, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1389, PETRI_PLACES=220, PETRI_TRANSITIONS=260} [2020-10-11 19:02:32,524 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 55 predicate places. [2020-10-11 19:02:32,524 INFO L481 AbstractCegarLoop]: Abstraction has has 220 places, 260 transitions, 1389 flow [2020-10-11 19:02:32,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:32,524 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:32,524 INFO L255 CegarLoopForPetriNet]: trace histogram [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] [2020-10-11 19:02:32,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 19:02:32,525 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:32,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:32,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1583330869, now seen corresponding path program 1 times [2020-10-11 19:02:32,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:32,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618948966] [2020-10-11 19:02:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:32,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618948966] [2020-10-11 19:02:32,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:32,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 19:02:32,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816849026] [2020-10-11 19:02:32,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 19:02:32,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:32,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 19:02:32,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 19:02:32,673 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 269 [2020-10-11 19:02:32,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 260 transitions, 1389 flow. Second operand 3 states. [2020-10-11 19:02:32,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:32,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 269 [2020-10-11 19:02:32,674 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:33,130 INFO L129 PetriNetUnfolder]: 55/674 cut-off events. [2020-10-11 19:02:33,130 INFO L130 PetriNetUnfolder]: For 423/423 co-relation queries the response was YES. [2020-10-11 19:02:33,136 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1125 conditions, 674 events. 55/674 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2567 event pairs, 0 based on Foata normal form. 16/632 useless extension candidates. Maximal degree in co-relation 1091. Up to 46 conditions per place. [2020-10-11 19:02:33,139 INFO L132 encePairwiseOnDemand]: 263/269 looper letters, 5 selfloop transitions, 2 changer transitions 28/185 dead transitions. [2020-10-11 19:02:33,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 185 transitions, 704 flow [2020-10-11 19:02:33,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 19:02:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 19:02:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 735 transitions. [2020-10-11 19:02:33,142 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9107806691449815 [2020-10-11 19:02:33,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 735 transitions. [2020-10-11 19:02:33,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 735 transitions. [2020-10-11 19:02:33,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:33,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 735 transitions. [2020-10-11 19:02:33,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 19:02:33,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 19:02:33,148 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 19:02:33,148 INFO L185 Difference]: Start difference. First operand has 220 places, 260 transitions, 1389 flow. Second operand 3 states and 735 transitions. [2020-10-11 19:02:33,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 185 transitions, 704 flow [2020-10-11 19:02:33,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 185 transitions, 563 flow, removed 36 selfloop flow, removed 24 redundant places. [2020-10-11 19:02:33,160 INFO L241 Difference]: Finished difference. Result has 187 places, 157 transitions, 458 flow [2020-10-11 19:02:33,161 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=187, PETRI_TRANSITIONS=157} [2020-10-11 19:02:33,161 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 22 predicate places. [2020-10-11 19:02:33,161 INFO L481 AbstractCegarLoop]: Abstraction has has 187 places, 157 transitions, 458 flow [2020-10-11 19:02:33,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 19:02:33,162 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:33,162 INFO L255 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] [2020-10-11 19:02:33,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 19:02:33,162 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:33,163 INFO L82 PathProgramCache]: Analyzing trace with hash -182563517, now seen corresponding path program 1 times [2020-10-11 19:02:33,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:33,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94921536] [2020-10-11 19:02:33,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-11 19:02:33,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94921536] [2020-10-11 19:02:33,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:33,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:33,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021586838] [2020-10-11 19:02:33,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:33,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:33,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:33,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:33,541 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 269 [2020-10-11 19:02:33,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 157 transitions, 458 flow. Second operand 5 states. [2020-10-11 19:02:33,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:33,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 269 [2020-10-11 19:02:33,543 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:33,643 INFO L129 PetriNetUnfolder]: 35/382 cut-off events. [2020-10-11 19:02:33,643 INFO L130 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2020-10-11 19:02:33,646 INFO L80 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 382 events. 35/382 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 796 event pairs, 0 based on Foata normal form. 2/350 useless extension candidates. Maximal degree in co-relation 526. Up to 22 conditions per place. [2020-10-11 19:02:33,646 INFO L132 encePairwiseOnDemand]: 262/269 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2020-10-11 19:02:33,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 159 transitions, 514 flow [2020-10-11 19:02:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 19:02:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 19:02:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1429 transitions. [2020-10-11 19:02:33,651 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8853779429987608 [2020-10-11 19:02:33,651 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1429 transitions. [2020-10-11 19:02:33,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1429 transitions. [2020-10-11 19:02:33,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:33,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1429 transitions. [2020-10-11 19:02:33,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 19:02:33,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 19:02:33,657 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 19:02:33,657 INFO L185 Difference]: Start difference. First operand has 187 places, 157 transitions, 458 flow. Second operand 6 states and 1429 transitions. [2020-10-11 19:02:33,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 159 transitions, 514 flow [2020-10-11 19:02:33,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 474 flow, removed 4 selfloop flow, removed 15 redundant places. [2020-10-11 19:02:33,661 INFO L241 Difference]: Finished difference. Result has 160 places, 0 transitions, 0 flow [2020-10-11 19:02:33,661 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=160, PETRI_TRANSITIONS=0} [2020-10-11 19:02:33,662 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, -5 predicate places. [2020-10-11 19:02:33,662 INFO L481 AbstractCegarLoop]: Abstraction has has 160 places, 0 transitions, 0 flow [2020-10-11 19:02:33,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:33,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 19:02:33,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:02:33 BasicIcfg [2020-10-11 19:02:33,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 19:02:33,676 INFO L168 Benchmark]: Toolchain (without parser) took 19428.96 ms. Allocated memory was 252.7 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 206.2 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 149.0 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:33,676 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 19:02:33,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1375.72 ms. Allocated memory was 252.7 MB in the beginning and 361.2 MB in the end (delta: 108.5 MB). Free memory was 206.2 MB in the beginning and 330.9 MB in the end (delta: -124.7 MB). Peak memory consumption was 110.6 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:33,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.22 ms. Allocated memory is still 361.2 MB. Free memory was 330.9 MB in the beginning and 327.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:33,679 INFO L168 Benchmark]: Boogie Preprocessor took 55.52 ms. Allocated memory is still 361.2 MB. Free memory was 327.5 MB in the beginning and 324.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:33,680 INFO L168 Benchmark]: RCFGBuilder took 819.21 ms. Allocated memory is still 361.2 MB. Free memory was 324.1 MB in the beginning and 273.9 MB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:33,684 INFO L168 Benchmark]: TraceAbstraction took 17094.43 ms. Allocated memory was 361.2 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 270.5 MB in the beginning and 1.2 GB in the end (delta: -946.5 MB). Peak memory consumption was 104.7 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:33,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1375.72 ms. Allocated memory was 252.7 MB in the beginning and 361.2 MB in the end (delta: 108.5 MB). Free memory was 206.2 MB in the beginning and 330.9 MB in the end (delta: -124.7 MB). Peak memory consumption was 110.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 75.22 ms. Allocated memory is still 361.2 MB. Free memory was 330.9 MB in the beginning and 327.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 55.52 ms. Allocated memory is still 361.2 MB. Free memory was 327.5 MB in the beginning and 324.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 819.21 ms. Allocated memory is still 361.2 MB. Free memory was 324.1 MB in the beginning and 273.9 MB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 17094.43 ms. Allocated memory was 361.2 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 270.5 MB in the beginning and 1.2 GB in the end (delta: -946.5 MB). Peak memory consumption was 104.7 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 16.8s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 320 SDtfs, 383 SDslu, 462 SDs, 0 SdLazy, 684 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1389occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 44692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 19/19 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...