/usr/bin/java -Xmx8000000000 -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/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:34:24,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:34:24,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:34:24,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:34:24,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:34:24,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:34:24,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:34:24,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:34:24,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:34:24,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:34:24,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:34:24,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:34:24,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:34:24,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:34:24,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:34:24,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:34:24,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:34:24,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:34:24,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:34:24,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:34:24,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:34:24,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:34:24,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:34:24,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:34:24,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:34:24,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:34:24,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:34:24,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:34:24,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:34:24,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:34:24,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:34:24,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:34:24,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:34:24,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:34:24,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:34:24,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:34:24,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:34:24,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:34:24,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:34:24,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:34:24,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:34:24,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-McrStrategy.epf [2020-04-18 11:34:24,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:34:24,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:34:24,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:34:24,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:34:24,130 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:34:24,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:34:24,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:34:24,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:34:24,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:34:24,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:34:24,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:34:24,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:34:24,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:34:24,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:34:24,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:34:24,133 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:34:24,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:34:24,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:34:24,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:34:24,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:34:24,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:34:24,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:34:24,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:34:24,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:34:24,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:34:24,135 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:34:24,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:34:24,135 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:34:24,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:34:24,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:34:24,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:34:24,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:34:24,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:34:24,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:34:24,440 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:34:24,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-18 11:34:24,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bdacd32/9a6aa5e7a9db42088b3b7ea2c9752f23/FLAGd4aeb11db [2020-04-18 11:34:25,204 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:34:25,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-18 11:34:25,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bdacd32/9a6aa5e7a9db42088b3b7ea2c9752f23/FLAGd4aeb11db [2020-04-18 11:34:25,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bdacd32/9a6aa5e7a9db42088b3b7ea2c9752f23 [2020-04-18 11:34:25,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:34:25,410 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:34:25,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:34:25,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:34:25,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:34:25,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:34:25" (1/1) ... [2020-04-18 11:34:25,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694972d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:25, skipping insertion in model container [2020-04-18 11:34:25,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:34:25" (1/1) ... [2020-04-18 11:34:25,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:34:25,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:34:26,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:34:26,346 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:34:26,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:34:26,814 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:34:26,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26 WrapperNode [2020-04-18 11:34:26,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:34:26,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:34:26,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:34:26,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:34:26,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:34:26,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:34:26,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:34:26,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:34:26,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:34:26,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:34:26,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:34:26,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:34:26,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (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 [2020-04-18 11:34:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-18 11:34:27,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-18 11:34:27,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:34:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:34:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-18 11:34:27,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-18 11:34:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 11:34:27,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 11:34:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:34:27,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:34:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:34:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:34:27,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 11:34:27,035 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 11:34:27,910 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:34:27,913 INFO L295 CfgBuilder]: Removed 32 assume(true) statements. [2020-04-18 11:34:27,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:34:27 BoogieIcfgContainer [2020-04-18 11:34:27,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:34:27,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:34:27,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:34:27,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:34:27,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:34:25" (1/3) ... [2020-04-18 11:34:27,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ee8752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:34:27, skipping insertion in model container [2020-04-18 11:34:27,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26" (2/3) ... [2020-04-18 11:34:27,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ee8752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:34:27, skipping insertion in model container [2020-04-18 11:34:27,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:34:27" (3/3) ... [2020-04-18 11:34:27,931 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-04-18 11:34:27,943 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:34:27,943 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:34:27,952 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 11:34:27,953 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:34:28,002 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,002 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,003 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,003 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,003 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,003 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,004 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,004 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,004 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,005 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,005 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,005 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,005 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,006 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,006 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,006 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,008 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,008 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,009 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,009 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,009 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,009 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,010 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,010 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,010 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,010 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,011 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,012 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,013 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,013 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,013 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,013 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,014 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,014 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,014 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,014 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,015 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,015 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,015 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,016 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,016 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,016 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,016 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,017 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,017 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,017 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,017 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,018 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,018 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,018 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,018 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,019 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,019 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,019 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,019 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,020 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,020 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,020 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,020 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,020 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,021 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,021 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,021 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,021 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,022 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,022 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,022 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,022 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,023 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,023 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,023 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,023 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,024 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,025 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,025 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,025 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,025 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,028 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,028 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,028 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,028 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,029 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,029 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,029 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,029 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,030 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,030 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,030 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,030 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,031 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,031 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,031 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,031 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,032 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,032 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,032 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,032 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,033 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,033 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,033 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,033 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,034 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,034 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,034 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,035 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,035 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,035 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,039 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,040 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,040 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,040 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,040 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,041 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,041 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,041 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,041 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,047 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,048 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,048 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,048 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,049 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,049 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,049 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,049 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,050 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,050 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,050 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,050 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,050 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,051 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,051 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,051 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,051 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,052 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,052 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,052 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,052 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,055 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,056 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,056 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,056 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,056 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,057 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,057 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,057 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,057 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:28,101 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-04-18 11:34:28,122 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:34:28,123 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:34:28,123 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:34:28,123 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:34:28,123 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:34:28,123 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:34:28,124 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:34:28,124 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:34:28,147 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions, 580 flow [2020-04-18 11:34:28,149 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-18 11:34:28,313 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-18 11:34:28,314 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 11:34:28,324 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. [2020-04-18 11:34:28,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-18 11:34:28,413 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-18 11:34:28,414 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 11:34:28,418 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. [2020-04-18 11:34:28,434 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2020-04-18 11:34:28,436 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:34:37,125 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-04-18 11:34:38,642 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-04-18 11:34:38,764 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-18 11:34:39,698 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-04-18 11:34:39,861 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-18 11:34:40,043 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-04-18 11:34:40,183 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 11:34:40,205 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12644 [2020-04-18 11:34:40,205 INFO L214 etLargeBlockEncoding]: Total number of compositions: 318 [2020-04-18 11:34:40,209 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 66 transitions, 174 flow [2020-04-18 11:34:40,270 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 750 states. [2020-04-18 11:34:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states. [2020-04-18 11:34:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 11:34:40,279 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:40,280 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-18 11:34:40,281 INFO L427 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]=== [2020-04-18 11:34:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:40,287 INFO L82 PathProgramCache]: Analyzing trace with hash 960, now seen corresponding path program 1 times [2020-04-18 11:34:40,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:40,296 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1134338122] [2020-04-18 11:34:40,312 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:40,320 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 11:34:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-04-18 11:34:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 11:34:40,322 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:40,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:40,323 INFO L82 PathProgramCache]: Analyzing trace with hash 960, now seen corresponding path program 2 times [2020-04-18 11:34:40,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:40,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240493875] [2020-04-18 11:34:40,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:40,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240493875] [2020-04-18 11:34:40,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:40,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-18 11:34:40,704 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:40,704 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:40,704 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 11:34:40,705 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:40,708 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:40,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 11:34:40,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:34:40,714 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 2 states. [2020-04-18 11:34:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:40,721 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2020-04-18 11:34:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states and 1 transitions. [2020-04-18 11:34:40,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:40,722 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1134338122] [2020-04-18 11:34:40,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:40,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [0] total 0 [2020-04-18 11:34:40,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1134338122] [2020-04-18 11:34:40,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 11:34:40,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:40,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 11:34:40,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:34:40,730 INFO L87 Difference]: Start difference. First operand 750 states. Second operand 2 states. [2020-04-18 11:34:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:40,808 INFO L93 Difference]: Finished difference Result 748 states and 2130 transitions. [2020-04-18 11:34:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 11:34:40,811 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-18 11:34:40,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:40,853 INFO L225 Difference]: With dead ends: 748 [2020-04-18 11:34:40,853 INFO L226 Difference]: Without dead ends: 725 [2020-04-18 11:34:40,854 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:34:40,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-04-18 11:34:40,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2020-04-18 11:34:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2020-04-18 11:34:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 2084 transitions. [2020-04-18 11:34:40,987 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 2084 transitions. Word has length 1 [2020-04-18 11:34:40,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:40,989 INFO L479 AbstractCegarLoop]: Abstraction has 725 states and 2084 transitions. [2020-04-18 11:34:40,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 11:34:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2084 transitions. [2020-04-18 11:34:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:34:40,990 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:40,990 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 11:34:40,991 INFO L427 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]=== [2020-04-18 11:34:40,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:40,991 INFO L82 PathProgramCache]: Analyzing trace with hash -2048015295, now seen corresponding path program 1 times [2020-04-18 11:34:40,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:40,992 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1497493168] [2020-04-18 11:34:40,992 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:40,993 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:34:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 11:34:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:34:40,993 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:40,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2048015295, now seen corresponding path program 2 times [2020-04-18 11:34:40,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:40,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220948340] [2020-04-18 11:34:40,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:41,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220948340] [2020-04-18 11:34:41,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:41,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:34:41,160 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:41,161 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,161 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:34:41,162 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:41,178 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:41,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:34:41,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:34:41,179 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-04-18 11:34:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,202 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 11:34:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 11:34:41,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:41,203 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1497493168] [2020-04-18 11:34:41,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:41,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:34:41,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1497493168] [2020-04-18 11:34:41,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 11:34:41,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:41,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:34:41,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:34:41,205 INFO L87 Difference]: Start difference. First operand 725 states and 2084 transitions. Second operand 4 states. [2020-04-18 11:34:41,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,358 INFO L93 Difference]: Finished difference Result 1469 states and 4291 transitions. [2020-04-18 11:34:41,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 11:34:41,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-18 11:34:41,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:41,376 INFO L225 Difference]: With dead ends: 1469 [2020-04-18 11:34:41,376 INFO L226 Difference]: Without dead ends: 1453 [2020-04-18 11:34:41,379 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:34:41,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2020-04-18 11:34:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 807. [2020-04-18 11:34:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2020-04-18 11:34:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 2306 transitions. [2020-04-18 11:34:41,430 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 2306 transitions. Word has length 6 [2020-04-18 11:34:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:41,433 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 2306 transitions. [2020-04-18 11:34:41,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 11:34:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2306 transitions. [2020-04-18 11:34:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 11:34:41,435 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:41,435 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:41,435 INFO L427 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]=== [2020-04-18 11:34:41,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:41,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1014198837, now seen corresponding path program 1 times [2020-04-18 11:34:41,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:41,437 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [939345968] [2020-04-18 11:34:41,437 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,438 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 11:34:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 11:34:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 11:34:41,438 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1014198837, now seen corresponding path program 2 times [2020-04-18 11:34:41,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:41,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271504806] [2020-04-18 11:34:41,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:41,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271504806] [2020-04-18 11:34:41,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:41,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:34:41,527 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:41,528 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,529 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 11:34:41,529 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:41,536 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:41,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:41,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:41,536 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 11:34:41,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,542 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 11:34:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 11:34:41,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:41,543 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [939345968] [2020-04-18 11:34:41,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:41,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:34:41,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [939345968] [2020-04-18 11:34:41,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:41,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:41,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:41,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:41,544 INFO L87 Difference]: Start difference. First operand 807 states and 2306 transitions. Second operand 3 states. [2020-04-18 11:34:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,604 INFO L93 Difference]: Finished difference Result 813 states and 2224 transitions. [2020-04-18 11:34:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:41,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 11:34:41,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:41,611 INFO L225 Difference]: With dead ends: 813 [2020-04-18 11:34:41,611 INFO L226 Difference]: Without dead ends: 783 [2020-04-18 11:34:41,611 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:41,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-04-18 11:34:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-04-18 11:34:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-04-18 11:34:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 2130 transitions. [2020-04-18 11:34:41,639 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 2130 transitions. Word has length 8 [2020-04-18 11:34:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:41,640 INFO L479 AbstractCegarLoop]: Abstraction has 783 states and 2130 transitions. [2020-04-18 11:34:41,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 2130 transitions. [2020-04-18 11:34:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 11:34:41,642 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:41,642 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:41,642 INFO L427 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]=== [2020-04-18 11:34:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:41,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1364531287, now seen corresponding path program 1 times [2020-04-18 11:34:41,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:41,643 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1075540003] [2020-04-18 11:34:41,643 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,644 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 11:34:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 11:34:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 11:34:41,645 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:41,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:41,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1364531287, now seen corresponding path program 2 times [2020-04-18 11:34:41,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:41,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598090887] [2020-04-18 11:34:41,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:41,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598090887] [2020-04-18 11:34:41,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:41,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:34:41,713 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:41,714 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,715 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 11:34:41,715 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:41,722 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:41,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:41,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:41,723 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-04-18 11:34:41,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,733 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2020-04-18 11:34:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-04-18 11:34:41,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:41,734 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1075540003] [2020-04-18 11:34:41,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:41,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:34:41,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1075540003] [2020-04-18 11:34:41,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:41,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:41,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:41,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:41,735 INFO L87 Difference]: Start difference. First operand 783 states and 2130 transitions. Second operand 3 states. [2020-04-18 11:34:41,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,772 INFO L93 Difference]: Finished difference Result 361 states and 877 transitions. [2020-04-18 11:34:41,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:41,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 11:34:41,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:41,776 INFO L225 Difference]: With dead ends: 361 [2020-04-18 11:34:41,776 INFO L226 Difference]: Without dead ends: 346 [2020-04-18 11:34:41,776 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:41,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-04-18 11:34:41,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-04-18 11:34:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-04-18 11:34:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 832 transitions. [2020-04-18 11:34:41,790 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 832 transitions. Word has length 9 [2020-04-18 11:34:41,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:41,790 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 832 transitions. [2020-04-18 11:34:41,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 832 transitions. [2020-04-18 11:34:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 11:34:41,797 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:41,798 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:41,798 INFO L427 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]=== [2020-04-18 11:34:41,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:41,798 INFO L82 PathProgramCache]: Analyzing trace with hash 637049370, now seen corresponding path program 1 times [2020-04-18 11:34:41,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:41,799 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [430160002] [2020-04-18 11:34:41,799 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,800 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2020-04-18 11:34:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-04-18 11:34:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 11:34:41,802 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:41,803 INFO L82 PathProgramCache]: Analyzing trace with hash 648499530, now seen corresponding path program 2 times [2020-04-18 11:34:41,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:41,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107157030] [2020-04-18 11:34:41,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:41,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107157030] [2020-04-18 11:34:41,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:41,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:34:41,886 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:41,888 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:41,890 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-04-18 11:34:41,890 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:41,923 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 2 times. [2020-04-18 11:34:41,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:34:41,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:34:41,924 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2020-04-18 11:34:41,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:41,943 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-04-18 11:34:41,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-04-18 11:34:41,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:41,944 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [430160002] [2020-04-18 11:34:41,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:41,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:34:41,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [430160002] [2020-04-18 11:34:41,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 11:34:41,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:41,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:34:41,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:34:41,946 INFO L87 Difference]: Start difference. First operand 346 states and 832 transitions. Second operand 4 states. [2020-04-18 11:34:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:42,004 INFO L93 Difference]: Finished difference Result 188 states and 446 transitions. [2020-04-18 11:34:42,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 11:34:42,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-04-18 11:34:42,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:42,006 INFO L225 Difference]: With dead ends: 188 [2020-04-18 11:34:42,006 INFO L226 Difference]: Without dead ends: 178 [2020-04-18 11:34:42,007 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:34:42,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-04-18 11:34:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 157. [2020-04-18 11:34:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-04-18 11:34:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 380 transitions. [2020-04-18 11:34:42,014 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 380 transitions. Word has length 10 [2020-04-18 11:34:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:42,014 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 380 transitions. [2020-04-18 11:34:42,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 11:34:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 380 transitions. [2020-04-18 11:34:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:34:42,017 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:42,018 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:42,018 INFO L427 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]=== [2020-04-18 11:34:42,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:42,018 INFO L82 PathProgramCache]: Analyzing trace with hash -545503077, now seen corresponding path program 1 times [2020-04-18 11:34:42,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:42,019 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1028388768] [2020-04-18 11:34:42,019 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:42,020 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 37 transitions. [2020-04-18 11:34:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-04-18 11:34:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 11:34:42,023 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:42,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:42,023 INFO L82 PathProgramCache]: Analyzing trace with hash -545503077, now seen corresponding path program 2 times [2020-04-18 11:34:42,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:42,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495283529] [2020-04-18 11:34:42,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:42,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495283529] [2020-04-18 11:34:42,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:42,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:34:42,094 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:42,096 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:42,099 INFO L259 McrAutomatonBuilder]: Finished intersection with 26 states and 37 transitions. [2020-04-18 11:34:42,100 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:42,108 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:42,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:42,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:42,109 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2020-04-18 11:34:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:42,118 INFO L93 Difference]: Finished difference Result 26 states and 37 transitions. [2020-04-18 11:34:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2020-04-18 11:34:42,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:42,119 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1028388768] [2020-04-18 11:34:42,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:42,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:34:42,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1028388768] [2020-04-18 11:34:42,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:42,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:42,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:42,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:42,121 INFO L87 Difference]: Start difference. First operand 157 states and 380 transitions. Second operand 3 states. [2020-04-18 11:34:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:42,147 INFO L93 Difference]: Finished difference Result 151 states and 369 transitions. [2020-04-18 11:34:42,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:42,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-18 11:34:42,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:42,149 INFO L225 Difference]: With dead ends: 151 [2020-04-18 11:34:42,149 INFO L226 Difference]: Without dead ends: 117 [2020-04-18 11:34:42,149 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:42,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-04-18 11:34:42,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-04-18 11:34:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-04-18 11:34:42,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 299 transitions. [2020-04-18 11:34:42,154 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 299 transitions. Word has length 13 [2020-04-18 11:34:42,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:42,154 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 299 transitions. [2020-04-18 11:34:42,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 299 transitions. [2020-04-18 11:34:42,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 11:34:42,155 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:42,155 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:42,155 INFO L427 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]=== [2020-04-18 11:34:42,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:42,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1905754679, now seen corresponding path program 1 times [2020-04-18 11:34:42,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:42,156 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [172438325] [2020-04-18 11:34:42,157 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:42,157 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2020-04-18 11:34:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-04-18 11:34:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 11:34:42,158 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:42,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:42,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1905754679, now seen corresponding path program 2 times [2020-04-18 11:34:42,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:42,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898476338] [2020-04-18 11:34:42,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-18 11:34:42,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898476338] [2020-04-18 11:34:42,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:42,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:34:42,237 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:42,241 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:42,245 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2020-04-18 11:34:42,245 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:42,253 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:42,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:42,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:42,254 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2020-04-18 11:34:42,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:42,260 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2020-04-18 11:34:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-04-18 11:34:42,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:42,261 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [172438325] [2020-04-18 11:34:42,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:42,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:34:42,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [172438325] [2020-04-18 11:34:42,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:42,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:42,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:42,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:42,263 INFO L87 Difference]: Start difference. First operand 117 states and 299 transitions. Second operand 3 states. [2020-04-18 11:34:42,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:42,281 INFO L93 Difference]: Finished difference Result 212 states and 565 transitions. [2020-04-18 11:34:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:42,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-04-18 11:34:42,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:42,282 INFO L225 Difference]: With dead ends: 212 [2020-04-18 11:34:42,282 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 11:34:42,283 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:42,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 11:34:42,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 11:34:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 11:34:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 11:34:42,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-04-18 11:34:42,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:42,284 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 11:34:42,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 11:34:42,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:42,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:34:42 BasicIcfg [2020-04-18 11:34:42,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:34:42,295 INFO L168 Benchmark]: Toolchain (without parser) took 16903.70 ms. Allocated memory was 144.2 MB in the beginning and 347.1 MB in the end (delta: 202.9 MB). Free memory was 98.9 MB in the beginning and 127.3 MB in the end (delta: -28.4 MB). Peak memory consumption was 174.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,297 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1404.37 ms. Allocated memory was 144.2 MB in the beginning and 233.3 MB in the end (delta: 89.1 MB). Free memory was 97.0 MB in the beginning and 163.2 MB in the end (delta: -66.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.24 ms. Allocated memory is still 233.3 MB. Free memory was 163.2 MB in the beginning and 160.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,304 INFO L168 Benchmark]: Boogie Preprocessor took 64.07 ms. Allocated memory is still 233.3 MB. Free memory was 160.1 MB in the beginning and 157.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,307 INFO L168 Benchmark]: RCFGBuilder took 960.87 ms. Allocated memory is still 233.3 MB. Free memory was 157.2 MB in the beginning and 106.0 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,308 INFO L168 Benchmark]: TraceAbstraction took 14366.96 ms. Allocated memory was 233.3 MB in the beginning and 347.1 MB in the end (delta: 113.8 MB). Free memory was 106.0 MB in the beginning and 127.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:42,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1404.37 ms. Allocated memory was 144.2 MB in the beginning and 233.3 MB in the end (delta: 89.1 MB). Free memory was 97.0 MB in the beginning and 163.2 MB in the end (delta: -66.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.24 ms. Allocated memory is still 233.3 MB. Free memory was 163.2 MB in the beginning and 160.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.07 ms. Allocated memory is still 233.3 MB. Free memory was 160.1 MB in the beginning and 157.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 960.87 ms. Allocated memory is still 233.3 MB. Free memory was 157.2 MB in the beginning and 106.0 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14366.96 ms. Allocated memory was 233.3 MB in the beginning and 347.1 MB in the end (delta: 113.8 MB). Free memory was 106.0 MB in the beginning and 127.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 12.0s, 237 ProgramPointsBefore, 55 ProgramPointsAfterwards, 269 TransitionsBefore, 66 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 139 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 38 ConcurrentYvCompositions, 21 ChoiceCompositions, 5725 VarBasedMoverChecksPositive, 85 VarBasedMoverChecksNegative, 55 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 12644 CheckedPairsTotal, 318 TotalNumberOfCompositions - 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. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.1s, HoareTripleCheckerStatistics: 374 SDtfs, 159 SDslu, 233 SDs, 0 SdLazy, 102 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=807occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 667 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...