/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-12 17:26:14,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-12 17:26:14,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-12 17:26:14,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-12 17:26:14,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-12 17:26:14,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-12 17:26:14,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-12 17:26:14,689 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-NoLbe.epf [2021-06-12 17:26:14,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-12 17:26:14,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-12 17:26:14,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-12 17:26:14,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-12 17:26:14,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-12 17:26:14,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-12 17:26:14,718 INFO L138 SettingsManager]: * Use SBE=true [2021-06-12 17:26:14,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-12 17:26:14,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-12 17:26:14,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-12 17:26:14,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-12 17:26:14,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-12 17:26:14,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-12 17:26:14,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-12 17:26:14,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-12 17:26:14,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-12 17:26:14,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-12 17:26:14,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 17:26:14,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-12 17:26:14,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-12 17:26:14,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-12 17:26:14,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-12 17:26:14,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-12 17:26:14,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-12 17:26:14,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-12 17:26:14,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-12 17:26:15,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-12 17:26:15,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-12 17:26:15,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-12 17:26:15,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-12 17:26:15,039 INFO L275 PluginConnector]: CDTParser initialized [2021-06-12 17:26:15,039 INFO L432 ainManager$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 [2021-06-12 17:26:15,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a203c01/798e7d67eb6a412a8bcda3668dd0cefc/FLAGca39a4a23 [2021-06-12 17:26:15,653 INFO L306 CDTParser]: Found 1 translation units. [2021-06-12 17:26:15,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2021-06-12 17:26:15,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a203c01/798e7d67eb6a412a8bcda3668dd0cefc/FLAGca39a4a23 [2021-06-12 17:26:15,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33a203c01/798e7d67eb6a412a8bcda3668dd0cefc [2021-06-12 17:26:15,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-12 17:26:15,914 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-12 17:26:15,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-12 17:26:15,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-12 17:26:15,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-12 17:26:15,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 05:26:15" (1/1) ... [2021-06-12 17:26:15,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4ed1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:15, skipping insertion in model container [2021-06-12 17:26:15,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 05:26:15" (1/1) ... [2021-06-12 17:26:15,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-12 17:26:16,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-12 17:26:16,562 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2021-06-12 17:26:16,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 17:26:16,591 INFO L203 MainTranslator]: Completed pre-run [2021-06-12 17:26:16,622 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2021-06-12 17:26:16,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 17:26:16,886 INFO L208 MainTranslator]: Completed translation [2021-06-12 17:26:16,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16 WrapperNode [2021-06-12 17:26:16,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-12 17:26:16,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-12 17:26:16,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-12 17:26:16,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-12 17:26:16,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:16,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:16,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-12 17:26:16,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-12 17:26:16,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-12 17:26:16,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-12 17:26:16,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:16,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:16,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:16,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:16,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:17,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:17,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (1/1) ... [2021-06-12 17:26:17,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-12 17:26:17,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-12 17:26:17,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-12 17:26:17,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-12 17:26:17,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (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 [2021-06-12 17:26:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-06-12 17:26:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-06-12 17:26:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-12 17:26:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-12 17:26:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-06-12 17:26:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-06-12 17:26:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-12 17:26:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-12 17:26:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-12 17:26:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-12 17:26:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-12 17:26:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-12 17:26:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-12 17:26:17,096 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-12 17:26:17,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-12 17:26:17,718 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-06-12 17:26:17,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:26:17 BoogieIcfgContainer [2021-06-12 17:26:17,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-12 17:26:17,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-12 17:26:17,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-12 17:26:17,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-12 17:26:17,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 05:26:15" (1/3) ... [2021-06-12 17:26:17,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2078e2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 05:26:17, skipping insertion in model container [2021-06-12 17:26:17,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:26:16" (2/3) ... [2021-06-12 17:26:17,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2078e2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 05:26:17, skipping insertion in model container [2021-06-12 17:26:17,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:26:17" (3/3) ... [2021-06-12 17:26:17,726 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2021-06-12 17:26:17,731 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-12 17:26:17,732 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-12 17:26:17,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-06-12 17:26:17,732 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-12 17:26:17,764 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,764 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,764 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,764 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,764 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,764 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,765 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,766 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,766 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,767 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,767 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,767 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,767 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,767 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,768 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,769 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,769 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,769 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,770 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,771 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,772 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,772 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,772 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,772 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,772 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,772 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,773 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,778 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,778 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,778 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,782 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,782 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,782 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,782 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,783 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,783 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,784 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,785 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,786 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,786 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,786 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,786 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,786 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,786 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,787 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,788 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,788 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,788 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,789 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,791 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,791 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,792 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,792 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,797 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,798 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,799 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,799 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,799 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,799 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,799 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,799 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,800 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,800 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,800 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,800 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,800 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,800 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,801 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,801 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,801 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,801 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,801 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,801 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,802 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,803 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,804 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,804 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,804 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,804 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,805 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,806 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,807 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,808 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,809 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,810 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,813 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,813 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,813 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,813 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,813 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,813 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,814 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,814 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,814 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,814 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,814 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,814 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,815 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,820 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,820 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,820 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,821 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,822 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,822 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,823 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,825 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,825 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,825 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,826 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,827 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,830 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,831 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,831 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,831 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,831 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,831 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,831 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,832 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,833 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,833 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,833 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,833 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet40.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,833 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,834 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,838 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,839 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,839 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,840 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,840 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,840 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,841 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,841 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,841 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,841 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,841 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,841 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:26:17,862 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-12 17:26:17,879 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 17:26:17,903 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:26:17,904 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:26:17,904 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:26:17,904 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:26:17,904 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:26:17,904 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:26:17,904 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:26:17,904 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread_ath9k======== [2021-06-12 17:26:17,923 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 290 transitions, 622 flow [2021-06-12 17:26:20,608 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:21,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:26:21,146 INFO L301 ceAbstractionStarter]: Result for error location thread_ath9k was SAFE (1/5) [2021-06-12 17:26:21,149 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-12 17:26:21,155 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:26:21,155 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:26:21,155 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:26:21,155 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:26:21,155 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:26:21,155 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:26:21,155 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:26:21,155 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 17:26:21,163 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 290 transitions, 622 flow [2021-06-12 17:26:23,234 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:23,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-06-12 17:26:23,285 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:23,286 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:23,286 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:23,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1221346519, now seen corresponding path program 1 times [2021-06-12 17:26:23,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:23,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359558589] [2021-06-12 17:26:23,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:23,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:23,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359558589] [2021-06-12 17:26:23,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359558589] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:23,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:23,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:23,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474035744] [2021-06-12 17:26:23,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:23,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:23,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:23,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:23,708 INFO L87 Difference]: Start difference. First operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:24,402 INFO L93 Difference]: Finished difference Result 62118 states and 189080 transitions. [2021-06-12 17:26:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:24,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-06-12 17:26:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:24,590 INFO L225 Difference]: With dead ends: 62118 [2021-06-12 17:26:24,590 INFO L226 Difference]: Without dead ends: 41938 [2021-06-12 17:26:24,591 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:25,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41938 states. [2021-06-12 17:26:25,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41938 to 29426. [2021-06-12 17:26:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29426 states, 29410 states have (on average 2.9987079224753486) internal successors, (88192), 29425 states have internal predecessors, (88192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29426 states to 29426 states and 88192 transitions. [2021-06-12 17:26:26,290 INFO L78 Accepts]: Start accepts. Automaton has 29426 states and 88192 transitions. Word has length 30 [2021-06-12 17:26:26,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:26,291 INFO L482 AbstractCegarLoop]: Abstraction has 29426 states and 88192 transitions. [2021-06-12 17:26:26,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29426 states and 88192 transitions. [2021-06-12 17:26:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-12 17:26:26,292 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:26,292 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:26,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-12 17:26:26,292 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:26,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:26,293 INFO L82 PathProgramCache]: Analyzing trace with hash 476007464, now seen corresponding path program 1 times [2021-06-12 17:26:26,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:26,293 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841604859] [2021-06-12 17:26:26,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:26,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:26,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841604859] [2021-06-12 17:26:26,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841604859] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:26,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:26,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:26,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863335688] [2021-06-12 17:26:26,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:26,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:26,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:26,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:26,406 INFO L87 Difference]: Start difference. First operand 29426 states and 88192 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:26,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:26,592 INFO L93 Difference]: Finished difference Result 29424 states and 88190 transitions. [2021-06-12 17:26:26,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-12 17:26:26,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-06-12 17:26:26,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:26,661 INFO L225 Difference]: With dead ends: 29424 [2021-06-12 17:26:26,661 INFO L226 Difference]: Without dead ends: 29418 [2021-06-12 17:26:26,662 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29418 states. [2021-06-12 17:26:27,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29418 to 29418. [2021-06-12 17:26:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29418 states, 29403 states have (on average 2.9991497466244943) internal successors, (88184), 29417 states have internal predecessors, (88184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29418 states to 29418 states and 88184 transitions. [2021-06-12 17:26:27,560 INFO L78 Accepts]: Start accepts. Automaton has 29418 states and 88184 transitions. Word has length 38 [2021-06-12 17:26:27,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:27,560 INFO L482 AbstractCegarLoop]: Abstraction has 29418 states and 88184 transitions. [2021-06-12 17:26:27,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 29418 states and 88184 transitions. [2021-06-12 17:26:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-06-12 17:26:27,570 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:27,570 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:27,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-12 17:26:27,571 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:27,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:27,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1974329272, now seen corresponding path program 1 times [2021-06-12 17:26:27,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:27,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565802298] [2021-06-12 17:26:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:27,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:27,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565802298] [2021-06-12 17:26:27,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565802298] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:27,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:27,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:27,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679485098] [2021-06-12 17:26:27,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:27,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:27,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:27,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:27,656 INFO L87 Difference]: Start difference. First operand 29418 states and 88184 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:28,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:28,118 INFO L93 Difference]: Finished difference Result 39367 states and 116020 transitions. [2021-06-12 17:26:28,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-12 17:26:28,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-06-12 17:26:28,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:28,192 INFO L225 Difference]: With dead ends: 39367 [2021-06-12 17:26:28,192 INFO L226 Difference]: Without dead ends: 28262 [2021-06-12 17:26:28,193 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-06-12 17:26:28,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28262 states. [2021-06-12 17:26:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28262 to 28262. [2021-06-12 17:26:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28262 states, 28249 states have (on average 2.964458918899784) internal successors, (83743), 28261 states have internal predecessors, (83743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28262 states to 28262 states and 83743 transitions. [2021-06-12 17:26:29,177 INFO L78 Accepts]: Start accepts. Automaton has 28262 states and 83743 transitions. Word has length 75 [2021-06-12 17:26:29,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:29,177 INFO L482 AbstractCegarLoop]: Abstraction has 28262 states and 83743 transitions. [2021-06-12 17:26:29,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 28262 states and 83743 transitions. [2021-06-12 17:26:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-06-12 17:26:29,209 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:29,209 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:29,209 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-12 17:26:29,210 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:29,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:29,210 INFO L82 PathProgramCache]: Analyzing trace with hash -885666674, now seen corresponding path program 1 times [2021-06-12 17:26:29,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:29,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862388080] [2021-06-12 17:26:29,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:29,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:29,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862388080] [2021-06-12 17:26:29,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862388080] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:29,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:29,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:29,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755777573] [2021-06-12 17:26:29,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:29,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:29,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:29,306 INFO L87 Difference]: Start difference. First operand 28262 states and 83743 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:29,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:29,581 INFO L93 Difference]: Finished difference Result 66124 states and 196969 transitions. [2021-06-12 17:26:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:29,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-06-12 17:26:29,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:29,902 INFO L225 Difference]: With dead ends: 66124 [2021-06-12 17:26:29,902 INFO L226 Difference]: Without dead ends: 66124 [2021-06-12 17:26:29,903 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66124 states. [2021-06-12 17:26:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66124 to 30707. [2021-06-12 17:26:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30707 states, 30694 states have (on average 2.959308008079755) internal successors, (90833), 30706 states have internal predecessors, (90833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30707 states to 30707 states and 90833 transitions. [2021-06-12 17:26:31,179 INFO L78 Accepts]: Start accepts. Automaton has 30707 states and 90833 transitions. Word has length 100 [2021-06-12 17:26:31,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:31,180 INFO L482 AbstractCegarLoop]: Abstraction has 30707 states and 90833 transitions. [2021-06-12 17:26:31,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30707 states and 90833 transitions. [2021-06-12 17:26:31,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-06-12 17:26:31,202 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:31,202 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:31,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-12 17:26:31,202 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:31,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:31,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1678958482, now seen corresponding path program 1 times [2021-06-12 17:26:31,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:31,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168140922] [2021-06-12 17:26:31,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:31,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:31,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168140922] [2021-06-12 17:26:31,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168140922] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:31,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:31,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:31,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491922612] [2021-06-12 17:26:31,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:31,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:31,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:31,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:31,307 INFO L87 Difference]: Start difference. First operand 30707 states and 90833 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:31,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:31,585 INFO L93 Difference]: Finished difference Result 54691 states and 160597 transitions. [2021-06-12 17:26:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:31,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-06-12 17:26:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:31,670 INFO L225 Difference]: With dead ends: 54691 [2021-06-12 17:26:31,670 INFO L226 Difference]: Without dead ends: 54691 [2021-06-12 17:26:31,670 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:32,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54691 states. [2021-06-12 17:26:32,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54691 to 33182. [2021-06-12 17:26:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33182 states, 33169 states have (on average 2.953902740510718) internal successors, (97978), 33181 states have internal predecessors, (97978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33182 states to 33182 states and 97978 transitions. [2021-06-12 17:26:32,623 INFO L78 Accepts]: Start accepts. Automaton has 33182 states and 97978 transitions. Word has length 100 [2021-06-12 17:26:32,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:32,624 INFO L482 AbstractCegarLoop]: Abstraction has 33182 states and 97978 transitions. [2021-06-12 17:26:32,624 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 33182 states and 97978 transitions. [2021-06-12 17:26:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-06-12 17:26:32,645 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:32,646 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:32,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-12 17:26:32,646 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:32,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:32,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1095694665, now seen corresponding path program 1 times [2021-06-12 17:26:32,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:32,647 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103902717] [2021-06-12 17:26:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:32,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:32,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103902717] [2021-06-12 17:26:32,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103902717] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:32,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:32,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 17:26:32,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809025543] [2021-06-12 17:26:32,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 17:26:32,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:32,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 17:26:32,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 17:26:32,716 INFO L87 Difference]: Start difference. First operand 33182 states and 97978 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:32,906 INFO L93 Difference]: Finished difference Result 8305 states and 24189 transitions. [2021-06-12 17:26:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 17:26:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-06-12 17:26:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:32,907 INFO L225 Difference]: With dead ends: 8305 [2021-06-12 17:26:32,907 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 17:26:32,907 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 17:26:32,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 17:26:32,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 17:26:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 17:26:32,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2021-06-12 17:26:32,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:32,908 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 17:26:32,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 17:26:32,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:26:32,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-12 17:26:32,908 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/5) [2021-06-12 17:26:32,909 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-12 17:26:32,909 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:26:32,909 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:26:32,910 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:26:32,910 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:26:32,910 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:26:32,910 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:26:32,910 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:26:32,910 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread_usb======== [2021-06-12 17:26:32,912 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 290 transitions, 622 flow [2021-06-12 17:26:35,084 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:35,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:26:35,220 INFO L301 ceAbstractionStarter]: Result for error location thread_usb was SAFE (3/5) [2021-06-12 17:26:35,220 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 17:26:35,221 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:26:35,221 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:26:35,221 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:26:35,221 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:26:35,221 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:26:35,221 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:26:35,221 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:26:35,221 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread_ath9kThread1of1ForFork1======== [2021-06-12 17:26:35,226 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 290 transitions, 622 flow [2021-06-12 17:26:37,406 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-06-12 17:26:37,456 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:37,456 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:37,456 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:37,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:37,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1378845390, now seen corresponding path program 1 times [2021-06-12 17:26:37,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:37,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494939877] [2021-06-12 17:26:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:37,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:37,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494939877] [2021-06-12 17:26:37,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494939877] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:37,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:37,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:37,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605901923] [2021-06-12 17:26:37,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:37,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:37,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:37,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:37,573 INFO L87 Difference]: Start difference. First operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:38,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:38,144 INFO L93 Difference]: Finished difference Result 109280 states and 331618 transitions. [2021-06-12 17:26:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 17:26:38,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-06-12 17:26:38,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:38,306 INFO L225 Difference]: With dead ends: 109280 [2021-06-12 17:26:38,306 INFO L226 Difference]: Without dead ends: 88773 [2021-06-12 17:26:38,306 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-06-12 17:26:38,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88773 states. [2021-06-12 17:26:39,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88773 to 35589. [2021-06-12 17:26:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35589 states, 35578 states have (on average 3.0494406655798527) internal successors, (108493), 35588 states have internal predecessors, (108493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35589 states to 35589 states and 108493 transitions. [2021-06-12 17:26:39,841 INFO L78 Accepts]: Start accepts. Automaton has 35589 states and 108493 transitions. Word has length 70 [2021-06-12 17:26:39,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:39,842 INFO L482 AbstractCegarLoop]: Abstraction has 35589 states and 108493 transitions. [2021-06-12 17:26:39,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 35589 states and 108493 transitions. [2021-06-12 17:26:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:26:39,855 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:39,856 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:39,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-12 17:26:39,856 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:39,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:39,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1544031044, now seen corresponding path program 1 times [2021-06-12 17:26:39,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:39,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30452657] [2021-06-12 17:26:39,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:39,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:39,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30452657] [2021-06-12 17:26:39,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30452657] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:39,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:39,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:39,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078042956] [2021-06-12 17:26:39,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:39,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:39,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:39,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:39,933 INFO L87 Difference]: Start difference. First operand 35589 states and 108493 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:40,287 INFO L93 Difference]: Finished difference Result 84321 states and 258445 transitions. [2021-06-12 17:26:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:40,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:26:40,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:40,663 INFO L225 Difference]: With dead ends: 84321 [2021-06-12 17:26:40,663 INFO L226 Difference]: Without dead ends: 84321 [2021-06-12 17:26:40,663 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84321 states. [2021-06-12 17:26:41,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84321 to 38969. [2021-06-12 17:26:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38969 states, 38958 states have (on average 3.043354381641768) internal successors, (118563), 38968 states have internal predecessors, (118563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38969 states to 38969 states and 118563 transitions. [2021-06-12 17:26:41,794 INFO L78 Accepts]: Start accepts. Automaton has 38969 states and 118563 transitions. Word has length 85 [2021-06-12 17:26:41,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:41,794 INFO L482 AbstractCegarLoop]: Abstraction has 38969 states and 118563 transitions. [2021-06-12 17:26:41,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38969 states and 118563 transitions. [2021-06-12 17:26:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:26:41,968 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:41,969 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:41,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-12 17:26:41,970 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:41,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:41,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1379710756, now seen corresponding path program 1 times [2021-06-12 17:26:41,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:41,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114551215] [2021-06-12 17:26:41,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:42,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:42,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114551215] [2021-06-12 17:26:42,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114551215] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:42,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:42,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:42,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435364494] [2021-06-12 17:26:42,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:42,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:42,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:42,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:42,073 INFO L87 Difference]: Start difference. First operand 38969 states and 118563 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:42,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:42,355 INFO L93 Difference]: Finished difference Result 69105 states and 208338 transitions. [2021-06-12 17:26:42,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:42,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:26:42,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:42,463 INFO L225 Difference]: With dead ends: 69105 [2021-06-12 17:26:42,463 INFO L226 Difference]: Without dead ends: 69105 [2021-06-12 17:26:42,464 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:42,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69105 states. [2021-06-12 17:26:43,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69105 to 41849. [2021-06-12 17:26:43,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41849 states, 41838 states have (on average 3.044194273148812) internal successors, (127363), 41848 states have internal predecessors, (127363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41849 states to 41849 states and 127363 transitions. [2021-06-12 17:26:43,720 INFO L78 Accepts]: Start accepts. Automaton has 41849 states and 127363 transitions. Word has length 85 [2021-06-12 17:26:43,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:43,720 INFO L482 AbstractCegarLoop]: Abstraction has 41849 states and 127363 transitions. [2021-06-12 17:26:43,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 41849 states and 127363 transitions. [2021-06-12 17:26:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-06-12 17:26:43,742 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:43,742 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:43,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-12 17:26:43,743 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:26:43,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:43,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2099403457, now seen corresponding path program 1 times [2021-06-12 17:26:43,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:43,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419671415] [2021-06-12 17:26:43,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:43,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:43,792 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419671415] [2021-06-12 17:26:43,792 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419671415] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:43,792 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:43,792 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 17:26:43,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210665497] [2021-06-12 17:26:43,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 17:26:43,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:43,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 17:26:43,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 17:26:43,793 INFO L87 Difference]: Start difference. First operand 41849 states and 127363 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:43,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:43,853 INFO L93 Difference]: Finished difference Result 12228 states and 35849 transitions. [2021-06-12 17:26:43,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 17:26:43,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-06-12 17:26:43,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:43,854 INFO L225 Difference]: With dead ends: 12228 [2021-06-12 17:26:43,855 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 17:26:43,855 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 17:26:43,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 17:26:43,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 17:26:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 17:26:43,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2021-06-12 17:26:43,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:43,856 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 17:26:43,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 17:26:43,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:26:43,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-12 17:26:43,856 INFO L301 ceAbstractionStarter]: Result for error location thread_ath9kThread1of1ForFork1 was SAFE (4/5) [2021-06-12 17:26:43,857 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-12 17:26:43,858 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:26:43,858 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:26:43,858 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:26:43,858 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:26:43,858 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:26:43,858 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:26:43,858 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:26:43,858 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread_usbThread1of1ForFork0======== [2021-06-12 17:26:43,860 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 290 transitions, 622 flow [2021-06-12 17:26:45,982 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:46,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-12 17:26:46,035 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:46,035 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:46,035 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]=== [2021-06-12 17:26:46,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:46,036 INFO L82 PathProgramCache]: Analyzing trace with hash 275060909, now seen corresponding path program 1 times [2021-06-12 17:26:46,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:46,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555892066] [2021-06-12 17:26:46,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:46,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:46,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555892066] [2021-06-12 17:26:46,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555892066] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:46,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:46,062 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-12 17:26:46,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687512836] [2021-06-12 17:26:46,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-12 17:26:46,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:46,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-12 17:26:46,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-12 17:26:46,122 INFO L87 Difference]: Start difference. First operand has 43664 states, 43625 states have (on average 3.254922636103152) internal successors, (141996), 43663 states have internal predecessors, (141996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:46,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:46,422 INFO L93 Difference]: Finished difference Result 39780 states and 121289 transitions. [2021-06-12 17:26:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-12 17:26:46,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-12 17:26:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:46,487 INFO L225 Difference]: With dead ends: 39780 [2021-06-12 17:26:46,487 INFO L226 Difference]: Without dead ends: 37024 [2021-06-12 17:26:46,487 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-12 17:26:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37024 states. [2021-06-12 17:26:47,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37024 to 37024. [2021-06-12 17:26:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37024 states, 37006 states have (on average 3.070475058098687) internal successors, (113626), 37023 states have internal predecessors, (113626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37024 states to 37024 states and 113626 transitions. [2021-06-12 17:26:47,348 INFO L78 Accepts]: Start accepts. Automaton has 37024 states and 113626 transitions. Word has length 46 [2021-06-12 17:26:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:47,348 INFO L482 AbstractCegarLoop]: Abstraction has 37024 states and 113626 transitions. [2021-06-12 17:26:47,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 37024 states and 113626 transitions. [2021-06-12 17:26:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-12 17:26:47,349 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:47,349 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:47,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-12 17:26:47,350 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]=== [2021-06-12 17:26:47,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:47,350 INFO L82 PathProgramCache]: Analyzing trace with hash 645251777, now seen corresponding path program 1 times [2021-06-12 17:26:47,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:47,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304775796] [2021-06-12 17:26:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:47,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:47,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304775796] [2021-06-12 17:26:47,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304775796] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:47,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:47,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:47,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893686138] [2021-06-12 17:26:47,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:47,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:47,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:47,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:47,410 INFO L87 Difference]: Start difference. First operand 37024 states and 113626 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:48,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:48,180 INFO L93 Difference]: Finished difference Result 77548 states and 237387 transitions. [2021-06-12 17:26:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 17:26:48,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-06-12 17:26:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:48,351 INFO L225 Difference]: With dead ends: 77548 [2021-06-12 17:26:48,351 INFO L226 Difference]: Without dead ends: 71840 [2021-06-12 17:26:48,351 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-06-12 17:26:48,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71840 states. [2021-06-12 17:26:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71840 to 37306. [2021-06-12 17:26:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37306 states, 37289 states have (on average 3.0522406071495616) internal successors, (113815), 37305 states have internal predecessors, (113815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37306 states to 37306 states and 113815 transitions. [2021-06-12 17:26:49,687 INFO L78 Accepts]: Start accepts. Automaton has 37306 states and 113815 transitions. Word has length 54 [2021-06-12 17:26:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:49,687 INFO L482 AbstractCegarLoop]: Abstraction has 37306 states and 113815 transitions. [2021-06-12 17:26:49,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 37306 states and 113815 transitions. [2021-06-12 17:26:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:26:49,697 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:49,697 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:49,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-12 17:26:49,698 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]=== [2021-06-12 17:26:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:49,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1436544201, now seen corresponding path program 1 times [2021-06-12 17:26:49,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:49,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741245851] [2021-06-12 17:26:49,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:49,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:49,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741245851] [2021-06-12 17:26:49,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741245851] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:49,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:49,763 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:49,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103032108] [2021-06-12 17:26:49,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:49,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:49,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:49,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:49,765 INFO L87 Difference]: Start difference. First operand 37306 states and 113815 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:50,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:50,156 INFO L93 Difference]: Finished difference Result 86166 states and 263951 transitions. [2021-06-12 17:26:50,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:50,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:26:50,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:50,333 INFO L225 Difference]: With dead ends: 86166 [2021-06-12 17:26:50,333 INFO L226 Difference]: Without dead ends: 86166 [2021-06-12 17:26:50,333 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86166 states. [2021-06-12 17:26:51,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86166 to 40606. [2021-06-12 17:26:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40606 states, 40589 states have (on average 3.046761437827983) internal successors, (123665), 40605 states have internal predecessors, (123665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40606 states to 40606 states and 123665 transitions. [2021-06-12 17:26:51,777 INFO L78 Accepts]: Start accepts. Automaton has 40606 states and 123665 transitions. Word has length 85 [2021-06-12 17:26:51,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:51,778 INFO L482 AbstractCegarLoop]: Abstraction has 40606 states and 123665 transitions. [2021-06-12 17:26:51,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 40606 states and 123665 transitions. [2021-06-12 17:26:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:26:51,791 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:51,791 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:51,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-12 17:26:51,792 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]=== [2021-06-12 17:26:51,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:51,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2059461463, now seen corresponding path program 1 times [2021-06-12 17:26:51,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:51,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283505701] [2021-06-12 17:26:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:51,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:51,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283505701] [2021-06-12 17:26:51,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283505701] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:51,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:51,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:51,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461478245] [2021-06-12 17:26:51,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:51,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:51,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:51,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:51,847 INFO L87 Difference]: Start difference. First operand 40606 states and 123665 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:52,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:52,441 INFO L93 Difference]: Finished difference Result 71966 states and 216911 transitions. [2021-06-12 17:26:52,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 17:26:52,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:26:52,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:52,576 INFO L225 Difference]: With dead ends: 71966 [2021-06-12 17:26:52,576 INFO L226 Difference]: Without dead ends: 71966 [2021-06-12 17:26:52,577 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71966 states. [2021-06-12 17:26:53,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71966 to 43411. [2021-06-12 17:26:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43411 states, 43394 states have (on average 3.0489238143522144) internal successors, (132305), 43410 states have internal predecessors, (132305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:53,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43411 states to 43411 states and 132305 transitions. [2021-06-12 17:26:53,902 INFO L78 Accepts]: Start accepts. Automaton has 43411 states and 132305 transitions. Word has length 85 [2021-06-12 17:26:53,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:53,903 INFO L482 AbstractCegarLoop]: Abstraction has 43411 states and 132305 transitions. [2021-06-12 17:26:53,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 43411 states and 132305 transitions. [2021-06-12 17:26:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-06-12 17:26:53,915 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:53,916 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:53,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-12 17:26:53,916 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]=== [2021-06-12 17:26:53,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:53,916 INFO L82 PathProgramCache]: Analyzing trace with hash -149417756, now seen corresponding path program 1 times [2021-06-12 17:26:53,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:53,916 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972361742] [2021-06-12 17:26:53,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:26:53,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:53,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972361742] [2021-06-12 17:26:53,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972361742] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:53,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:53,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 17:26:53,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078088224] [2021-06-12 17:26:53,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 17:26:53,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:53,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 17:26:53,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 17:26:53,963 INFO L87 Difference]: Start difference. First operand 43411 states and 132305 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:54,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:54,027 INFO L93 Difference]: Finished difference Result 13156 states and 38607 transitions. [2021-06-12 17:26:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 17:26:54,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-06-12 17:26:54,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:54,045 INFO L225 Difference]: With dead ends: 13156 [2021-06-12 17:26:54,045 INFO L226 Difference]: Without dead ends: 11444 [2021-06-12 17:26:54,045 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 17:26:54,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11444 states. [2021-06-12 17:26:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11444 to 11444. [2021-06-12 17:26:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11444 states, 11442 states have (on average 2.986453417234749) internal successors, (34171), 11443 states have internal predecessors, (34171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 34171 transitions. [2021-06-12 17:26:54,212 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 34171 transitions. Word has length 90 [2021-06-12 17:26:54,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:54,212 INFO L482 AbstractCegarLoop]: Abstraction has 11444 states and 34171 transitions. [2021-06-12 17:26:54,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 34171 transitions. [2021-06-12 17:26:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-06-12 17:26:54,225 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:26:54,225 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:26:54,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-12 17:26:54,225 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATION]=== [2021-06-12 17:26:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:26:54,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1564460421, now seen corresponding path program 1 times [2021-06-12 17:26:54,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:26:54,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862643712] [2021-06-12 17:26:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:26:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:26:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-12 17:26:54,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:26:54,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862643712] [2021-06-12 17:26:54,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862643712] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:26:54,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:26:54,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 17:26:54,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807837552] [2021-06-12 17:26:54,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 17:26:54,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:26:54,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 17:26:54,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-12 17:26:54,283 INFO L87 Difference]: Start difference. First operand 11444 states and 34171 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:54,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:26:54,659 INFO L93 Difference]: Finished difference Result 30500 states and 91828 transitions. [2021-06-12 17:26:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-12 17:26:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-06-12 17:26:54,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:26:54,660 INFO L225 Difference]: With dead ends: 30500 [2021-06-12 17:26:54,660 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 17:26:54,661 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-12 17:26:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 17:26:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 17:26:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 17:26:54,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2021-06-12 17:26:54,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:26:54,662 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 17:26:54,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:26:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 17:26:54,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:26:54,662 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-12 17:26:54,662 INFO L301 ceAbstractionStarter]: Result for error location thread_usbThread1of1ForFork0 was SAFE (5/5) [2021-06-12 17:26:54,662 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-12 17:26:54,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 05:26:54 BasicIcfg [2021-06-12 17:26:54,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-12 17:26:54,666 INFO L168 Benchmark]: Toolchain (without parser) took 38752.33 ms. Allocated memory was 199.2 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 160.1 MB in the beginning and 4.5 GB in the end (delta: -4.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-06-12 17:26:54,666 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 199.2 MB. Free memory is still 180.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-12 17:26:54,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.60 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 155.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. [2021-06-12 17:26:54,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.85 ms. Allocated memory is still 199.2 MB. Free memory was 155.7 MB in the beginning and 152.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-12 17:26:54,670 INFO L168 Benchmark]: Boogie Preprocessor took 42.04 ms. Allocated memory is still 199.2 MB. Free memory was 152.0 MB in the beginning and 149.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-12 17:26:54,671 INFO L168 Benchmark]: RCFGBuilder took 709.80 ms. Allocated memory is still 199.2 MB. Free memory was 148.9 MB in the beginning and 97.5 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2021-06-12 17:26:54,673 INFO L168 Benchmark]: TraceAbstraction took 36944.40 ms. Allocated memory was 199.2 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 97.0 MB in the beginning and 4.5 GB in the end (delta: -4.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. [2021-06-12 17:26:54,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 199.2 MB. Free memory is still 180.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 966.60 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 155.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 79.85 ms. Allocated memory is still 199.2 MB. Free memory was 155.7 MB in the beginning and 152.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.04 ms. Allocated memory is still 199.2 MB. Free memory was 152.0 MB in the beginning and 149.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 709.80 ms. Allocated memory is still 199.2 MB. Free memory was 148.9 MB in the beginning and 97.5 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36944.40 ms. Allocated memory was 199.2 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 97.0 MB in the beginning and 4.5 GB in the end (delta: -4.4 GB). Peak memory consumption was 2.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_ath9k with 1 thread instances CFG has 5 procedures, 279 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3243.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 536.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2703.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43664occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 279 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11753.6ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 134.2ms, AutomataDifference: 2891.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2078.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1638 SDtfs, 2364 SDslu, 3245 SDs, 0 SdLazy, 164 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 282.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 155.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43664occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5800.1ms AutomataMinimizationTime, 6 MinimizatonAttempts, 69438 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.8ms SsaConstructionTime, 115.9ms SatisfiabilityAnalysisTime, 469.5ms InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 449 ConstructedInterpolants, 0 QuantifiedInterpolants, 530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_usb with 1 thread instances CFG has 5 procedures, 279 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2310.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 135.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2174.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43664occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_ath9kThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 279 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8635.5ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 257.9ms, AutomataDifference: 1968.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2184.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1514 SDtfs, 1652 SDslu, 3107 SDs, 0 SdLazy, 125 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 96.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43664occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3921.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 125792 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.9ms SsaConstructionTime, 48.9ms SatisfiabilityAnalysisTime, 175.4ms InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_usbThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 279 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10804.4ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 102.1ms, AutomataDifference: 3128.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2124.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1865 SDtfs, 1657 SDslu, 3353 SDs, 0 SdLazy, 145 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 131.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=43664occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5131.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 108649 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.8ms SsaConstructionTime, 32.5ms SatisfiabilityAnalysisTime, 211.5ms InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 21/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...