/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 18:32:05,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 18:32:05,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 18:32:05,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 18:32:05,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 18:32:05,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 18:32:05,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 18:32:05,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 18:32:05,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 18:32:05,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 18:32:05,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 18:32:05,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 18:32:05,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 18:32:05,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 18:32:05,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 18:32:05,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 18:32:05,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 18:32:05,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 18:32:05,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 18:32:05,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 18:32:05,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 18:32:05,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 18:32:05,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 18:32:05,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 18:32:05,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 18:32:05,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 18:32:05,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 18:32:05,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 18:32:05,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 18:32:05,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 18:32:05,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 18:32:05,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 18:32:05,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 18:32:05,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 18:32:05,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 18:32:05,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 18:32:06,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 18:32:06,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 18:32:06,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 18:32:06,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 18:32:06,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 18:32:06,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-09 18:32:06,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 18:32:06,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 18:32:06,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 18:32:06,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 18:32:06,027 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 18:32:06,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 18:32:06,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 18:32:06,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 18:32:06,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 18:32:06,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 18:32:06,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 18:32:06,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 18:32:06,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 18:32:06,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 18:32:06,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 18:32:06,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 18:32:06,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 18:32:06,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 18:32:06,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 18:32:06,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 18:32:06,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 18:32:06,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 18:32:06,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 18:32:06,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 18:32:06,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 18:32:06,031 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-09 18:32:06,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 18:32:06,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-09 18:32:06,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-09 18:32:06,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 18:32:06,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 18:32:06,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 18:32:06,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 18:32:06,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 18:32:06,374 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 18:32:06,375 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-09 18:32:06,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e88bf60/025ee24cb1ea4d35858182de5ca62041/FLAG4ab62fe21 [2020-10-09 18:32:07,060 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 18:32:07,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-09 18:32:07,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e88bf60/025ee24cb1ea4d35858182de5ca62041/FLAG4ab62fe21 [2020-10-09 18:32:07,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6e88bf60/025ee24cb1ea4d35858182de5ca62041 [2020-10-09 18:32:07,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 18:32:07,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 18:32:07,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 18:32:07,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 18:32:07,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 18:32:07,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 06:32:07" (1/1) ... [2020-10-09 18:32:07,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4e428a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:07, skipping insertion in model container [2020-10-09 18:32:07,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 06:32:07" (1/1) ... [2020-10-09 18:32:07,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 18:32:07,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 18:32:08,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 18:32:08,205 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 18:32:08,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 18:32:08,785 INFO L208 MainTranslator]: Completed translation [2020-10-09 18:32:08,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08 WrapperNode [2020-10-09 18:32:08,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 18:32:08,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 18:32:08,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 18:32:08,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 18:32:08,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 18:32:08,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 18:32:08,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 18:32:08,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 18:32:08,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... [2020-10-09 18:32:08,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 18:32:08,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 18:32:08,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 18:32:08,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 18:32:08,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 18:32:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-09 18:32:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-09 18:32:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 18:32:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 18:32:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-09 18:32:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-09 18:32:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 18:32:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-09 18:32:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 18:32:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 18:32:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 18:32:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 18:32:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 18:32:09,078 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 18:32:09,906 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 18:32:09,907 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-09 18:32:09,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 06:32:09 BoogieIcfgContainer [2020-10-09 18:32:09,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 18:32:09,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 18:32:09,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 18:32:09,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 18:32:09,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 06:32:07" (1/3) ... [2020-10-09 18:32:09,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3df6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 06:32:09, skipping insertion in model container [2020-10-09 18:32:09,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:08" (2/3) ... [2020-10-09 18:32:09,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3df6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 06:32:09, skipping insertion in model container [2020-10-09 18:32:09,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 06:32:09" (3/3) ... [2020-10-09 18:32:09,919 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-10-09 18:32:09,931 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 18:32:09,941 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-09 18:32:09,942 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 18:32:09,978 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,978 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,978 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,979 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,979 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,979 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,980 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,980 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,980 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,980 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,980 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,981 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,981 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,981 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,981 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,981 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,982 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,982 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,982 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,982 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,983 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,983 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,983 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,983 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,983 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,984 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,984 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,986 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,986 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,986 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,986 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,987 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,987 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,987 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,988 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,989 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,990 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,990 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,990 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,990 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,992 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,992 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,992 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,992 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,993 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,993 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,993 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,993 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,993 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,995 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,995 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,995 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,000 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,000 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,000 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,000 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,002 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,002 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,002 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,002 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,002 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,003 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,003 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,004 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,004 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,005 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,005 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,005 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,005 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,006 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,006 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,006 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,006 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,010 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,010 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,011 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,012 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,012 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,020 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,020 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,020 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,022 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,022 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,022 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,022 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,022 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,023 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,023 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,023 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,023 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,023 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,024 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,024 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,024 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,026 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,027 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,027 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,027 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,027 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,028 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,028 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,028 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,028 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:10,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-10-09 18:32:10,085 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 18:32:10,085 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-09 18:32:10,085 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 18:32:10,085 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 18:32:10,085 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 18:32:10,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 18:32:10,086 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 18:32:10,086 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 18:32:10,105 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-10-09 18:32:10,276 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-10-09 18:32:10,276 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-09 18:32:10,293 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-10-09 18:32:10,293 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 269 transitions, 580 flow [2020-10-09 18:32:10,310 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 182 transitions, 387 flow [2020-10-09 18:32:10,315 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2020-10-09 18:32:10,315 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 18:32:10,315 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:10,316 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:10,317 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:10,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:10,323 INFO L82 PathProgramCache]: Analyzing trace with hash 511218125, now seen corresponding path program 1 times [2020-10-09 18:32:10,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:10,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459449465] [2020-10-09 18:32:10,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:10,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:10,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:10,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:10,604 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:10,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459449465] [2020-10-09 18:32:10,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:10,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:10,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248933084] [2020-10-09 18:32:10,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:10,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:10,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:10,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:11,156 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 269 [2020-10-09 18:32:11,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 182 transitions, 387 flow. Second operand 5 states. [2020-10-09 18:32:11,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:11,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 269 [2020-10-09 18:32:11,162 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:11,422 INFO L129 PetriNetUnfolder]: 134/876 cut-off events. [2020-10-09 18:32:11,422 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2020-10-09 18:32:11,427 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 876 events. 134/876 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4077 event pairs, 3 based on Foata normal form. 103/861 useless extension candidates. Maximal degree in co-relation 893. Up to 65 conditions per place. [2020-10-09 18:32:11,434 INFO L132 encePairwiseOnDemand]: 248/269 looper letters, 16 selfloop transitions, 12 changer transitions 0/181 dead transitions. [2020-10-09 18:32:11,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 181 transitions, 441 flow [2020-10-09 18:32:11,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:11,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1693 transitions. [2020-10-09 18:32:11,462 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8990971853425385 [2020-10-09 18:32:11,463 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1693 transitions. [2020-10-09 18:32:11,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1693 transitions. [2020-10-09 18:32:11,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:11,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1693 transitions. [2020-10-09 18:32:11,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:11,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:11,493 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:11,496 INFO L185 Difference]: Start difference. First operand has 165 places, 182 transitions, 387 flow. Second operand 7 states and 1693 transitions. [2020-10-09 18:32:11,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 181 transitions, 441 flow [2020-10-09 18:32:11,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 181 transitions, 437 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-09 18:32:11,509 INFO L241 Difference]: Finished difference. Result has 168 places, 175 transitions, 407 flow [2020-10-09 18:32:11,514 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=407, PETRI_PLACES=168, PETRI_TRANSITIONS=175} [2020-10-09 18:32:11,515 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 3 predicate places. [2020-10-09 18:32:11,515 INFO L481 AbstractCegarLoop]: Abstraction has has 168 places, 175 transitions, 407 flow [2020-10-09 18:32:11,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:11,515 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:11,516 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:11,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-09 18:32:11,729 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:11,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:11,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2020152462, now seen corresponding path program 1 times [2020-10-09 18:32:11,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:11,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756070385] [2020-10-09 18:32:11,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:11,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:11,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:11,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:11,886 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:11,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756070385] [2020-10-09 18:32:11,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:11,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:11,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107495312] [2020-10-09 18:32:11,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:11,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:11,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:11,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:12,197 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 269 [2020-10-09 18:32:12,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 175 transitions, 407 flow. Second operand 5 states. [2020-10-09 18:32:12,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:12,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 269 [2020-10-09 18:32:12,198 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:12,396 INFO L129 PetriNetUnfolder]: 134/874 cut-off events. [2020-10-09 18:32:12,396 INFO L130 PetriNetUnfolder]: For 88/126 co-relation queries the response was YES. [2020-10-09 18:32:12,402 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 874 events. 134/874 cut-off events. For 88/126 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4088 event pairs, 11 based on Foata normal form. 1/745 useless extension candidates. Maximal degree in co-relation 353. Up to 130 conditions per place. [2020-10-09 18:32:12,408 INFO L132 encePairwiseOnDemand]: 265/269 looper letters, 17 selfloop transitions, 0 changer transitions 6/173 dead transitions. [2020-10-09 18:32:12,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 173 transitions, 445 flow [2020-10-09 18:32:12,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 18:32:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-09 18:32:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1188 transitions. [2020-10-09 18:32:12,413 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.883271375464684 [2020-10-09 18:32:12,413 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1188 transitions. [2020-10-09 18:32:12,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1188 transitions. [2020-10-09 18:32:12,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:12,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1188 transitions. [2020-10-09 18:32:12,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-09 18:32:12,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-09 18:32:12,422 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-09 18:32:12,422 INFO L185 Difference]: Start difference. First operand has 168 places, 175 transitions, 407 flow. Second operand 5 states and 1188 transitions. [2020-10-09 18:32:12,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 173 transitions, 445 flow [2020-10-09 18:32:12,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 173 transitions, 427 flow, removed 0 selfloop flow, removed 5 redundant places. [2020-10-09 18:32:12,429 INFO L241 Difference]: Finished difference. Result has 165 places, 167 transitions, 371 flow [2020-10-09 18:32:12,430 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=371, PETRI_PLACES=165, PETRI_TRANSITIONS=167} [2020-10-09 18:32:12,431 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 0 predicate places. [2020-10-09 18:32:12,431 INFO L481 AbstractCegarLoop]: Abstraction has has 165 places, 167 transitions, 371 flow [2020-10-09 18:32:12,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:12,431 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:12,431 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:12,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-09 18:32:12,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:12,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:12,646 INFO L82 PathProgramCache]: Analyzing trace with hash 66931279, now seen corresponding path program 1 times [2020-10-09 18:32:12,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:12,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818184807] [2020-10-09 18:32:12,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:12,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:12,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:12,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:12,810 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:12,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818184807] [2020-10-09 18:32:12,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:12,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:12,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377643384] [2020-10-09 18:32:12,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:12,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:12,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:12,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:13,058 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 269 [2020-10-09 18:32:13,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 167 transitions, 371 flow. Second operand 5 states. [2020-10-09 18:32:13,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:13,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 269 [2020-10-09 18:32:13,059 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:13,305 INFO L129 PetriNetUnfolder]: 191/1396 cut-off events. [2020-10-09 18:32:13,305 INFO L130 PetriNetUnfolder]: For 121/201 co-relation queries the response was YES. [2020-10-09 18:32:13,314 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1774 conditions, 1396 events. 191/1396 cut-off events. For 121/201 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 7758 event pairs, 5 based on Foata normal form. 18/1232 useless extension candidates. Maximal degree in co-relation 1769. Up to 129 conditions per place. [2020-10-09 18:32:13,324 INFO L132 encePairwiseOnDemand]: 263/269 looper letters, 23 selfloop transitions, 11 changer transitions 0/182 dead transitions. [2020-10-09 18:32:13,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 182 transitions, 489 flow [2020-10-09 18:32:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1691 transitions. [2020-10-09 18:32:13,331 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8980350504514073 [2020-10-09 18:32:13,331 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1691 transitions. [2020-10-09 18:32:13,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1691 transitions. [2020-10-09 18:32:13,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:13,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1691 transitions. [2020-10-09 18:32:13,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:13,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:13,341 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:13,341 INFO L185 Difference]: Start difference. First operand has 165 places, 167 transitions, 371 flow. Second operand 7 states and 1691 transitions. [2020-10-09 18:32:13,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 182 transitions, 489 flow [2020-10-09 18:32:13,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 182 transitions, 489 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:13,348 INFO L241 Difference]: Finished difference. Result has 166 places, 176 transitions, 458 flow [2020-10-09 18:32:13,349 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=458, PETRI_PLACES=166, PETRI_TRANSITIONS=176} [2020-10-09 18:32:13,349 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 1 predicate places. [2020-10-09 18:32:13,349 INFO L481 AbstractCegarLoop]: Abstraction has has 166 places, 176 transitions, 458 flow [2020-10-09 18:32:13,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:13,349 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:13,350 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:13,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-09 18:32:13,564 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:13,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:13,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1821618395, now seen corresponding path program 1 times [2020-10-09 18:32:13,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:13,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153793822] [2020-10-09 18:32:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:13,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:13,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:13,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:13,732 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:13,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153793822] [2020-10-09 18:32:13,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:13,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:13,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428820054] [2020-10-09 18:32:13,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:13,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:13,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:13,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:13,898 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 269 [2020-10-09 18:32:13,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 176 transitions, 458 flow. Second operand 5 states. [2020-10-09 18:32:13,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:13,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 269 [2020-10-09 18:32:13,900 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:14,351 INFO L129 PetriNetUnfolder]: 341/2728 cut-off events. [2020-10-09 18:32:14,351 INFO L130 PetriNetUnfolder]: For 1660/1789 co-relation queries the response was YES. [2020-10-09 18:32:14,368 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4210 conditions, 2728 events. 341/2728 cut-off events. For 1660/1789 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 21679 event pairs, 28 based on Foata normal form. 54/2499 useless extension candidates. Maximal degree in co-relation 4200. Up to 257 conditions per place. [2020-10-09 18:32:14,384 INFO L132 encePairwiseOnDemand]: 260/269 looper letters, 35 selfloop transitions, 26 changer transitions 0/216 dead transitions. [2020-10-09 18:32:14,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 216 transitions, 822 flow [2020-10-09 18:32:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-09 18:32:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-09 18:32:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1963 transitions. [2020-10-09 18:32:14,390 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9121747211895911 [2020-10-09 18:32:14,390 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1963 transitions. [2020-10-09 18:32:14,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1963 transitions. [2020-10-09 18:32:14,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:14,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1963 transitions. [2020-10-09 18:32:14,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-09 18:32:14,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-09 18:32:14,399 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-09 18:32:14,399 INFO L185 Difference]: Start difference. First operand has 166 places, 176 transitions, 458 flow. Second operand 8 states and 1963 transitions. [2020-10-09 18:32:14,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 216 transitions, 822 flow [2020-10-09 18:32:14,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 216 transitions, 786 flow, removed 18 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:14,413 INFO L241 Difference]: Finished difference. Result has 179 places, 199 transitions, 711 flow [2020-10-09 18:32:14,414 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=711, PETRI_PLACES=179, PETRI_TRANSITIONS=199} [2020-10-09 18:32:14,414 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 14 predicate places. [2020-10-09 18:32:14,415 INFO L481 AbstractCegarLoop]: Abstraction has has 179 places, 199 transitions, 711 flow [2020-10-09 18:32:14,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:14,415 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:14,415 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:14,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-09 18:32:14,644 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:14,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1077285847, now seen corresponding path program 1 times [2020-10-09 18:32:14,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:14,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781154101] [2020-10-09 18:32:14,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:14,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:14,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:14,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:14,788 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:14,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781154101] [2020-10-09 18:32:14,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:14,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:14,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585456996] [2020-10-09 18:32:14,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:14,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:14,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:14,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:15,015 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 269 [2020-10-09 18:32:15,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 199 transitions, 711 flow. Second operand 5 states. [2020-10-09 18:32:15,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:15,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 269 [2020-10-09 18:32:15,016 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:15,903 INFO L129 PetriNetUnfolder]: 747/4545 cut-off events. [2020-10-09 18:32:15,903 INFO L130 PetriNetUnfolder]: For 9107/9615 co-relation queries the response was YES. [2020-10-09 18:32:15,930 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9090 conditions, 4545 events. 747/4545 cut-off events. For 9107/9615 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 40035 event pairs, 72 based on Foata normal form. 167/4210 useless extension candidates. Maximal degree in co-relation 9074. Up to 432 conditions per place. [2020-10-09 18:32:15,957 INFO L132 encePairwiseOnDemand]: 262/269 looper letters, 53 selfloop transitions, 24 changer transitions 4/243 dead transitions. [2020-10-09 18:32:15,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 243 transitions, 1306 flow [2020-10-09 18:32:15,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:15,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1673 transitions. [2020-10-09 18:32:15,963 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8884758364312267 [2020-10-09 18:32:15,963 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1673 transitions. [2020-10-09 18:32:15,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1673 transitions. [2020-10-09 18:32:15,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:15,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1673 transitions. [2020-10-09 18:32:15,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:15,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:15,971 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:15,971 INFO L185 Difference]: Start difference. First operand has 179 places, 199 transitions, 711 flow. Second operand 7 states and 1673 transitions. [2020-10-09 18:32:15,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 243 transitions, 1306 flow [2020-10-09 18:32:15,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 243 transitions, 1296 flow, removed 5 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:15,996 INFO L241 Difference]: Finished difference. Result has 189 places, 213 transitions, 948 flow [2020-10-09 18:32:15,997 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=948, PETRI_PLACES=189, PETRI_TRANSITIONS=213} [2020-10-09 18:32:15,997 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 24 predicate places. [2020-10-09 18:32:15,998 INFO L481 AbstractCegarLoop]: Abstraction has has 189 places, 213 transitions, 948 flow [2020-10-09 18:32:15,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:15,998 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:15,998 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:16,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-09 18:32:16,215 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:16,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:16,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1657330136, now seen corresponding path program 1 times [2020-10-09 18:32:16,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:16,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654388151] [2020-10-09 18:32:16,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:16,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 18:32:16,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:16,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:16,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654388151] [2020-10-09 18:32:16,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:16,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:16,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177273584] [2020-10-09 18:32:16,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:16,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:16,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:16,465 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 269 [2020-10-09 18:32:16,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 213 transitions, 948 flow. Second operand 5 states. [2020-10-09 18:32:16,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:16,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 269 [2020-10-09 18:32:16,468 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:17,952 INFO L129 PetriNetUnfolder]: 1243/9040 cut-off events. [2020-10-09 18:32:17,953 INFO L130 PetriNetUnfolder]: For 20504/23910 co-relation queries the response was YES. [2020-10-09 18:32:18,017 INFO L80 FinitePrefix]: Finished finitePrefix Result has 18346 conditions, 9040 events. 1243/9040 cut-off events. For 20504/23910 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 99985 event pairs, 122 based on Foata normal form. 84/8301 useless extension candidates. Maximal degree in co-relation 18325. Up to 735 conditions per place. [2020-10-09 18:32:18,056 INFO L132 encePairwiseOnDemand]: 262/269 looper letters, 13 selfloop transitions, 9 changer transitions 0/225 dead transitions. [2020-10-09 18:32:18,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 225 transitions, 1016 flow [2020-10-09 18:32:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1738 transitions. [2020-10-09 18:32:18,062 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9229952203929899 [2020-10-09 18:32:18,062 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1738 transitions. [2020-10-09 18:32:18,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1738 transitions. [2020-10-09 18:32:18,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:18,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1738 transitions. [2020-10-09 18:32:18,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:18,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:18,071 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:18,071 INFO L185 Difference]: Start difference. First operand has 189 places, 213 transitions, 948 flow. Second operand 7 states and 1738 transitions. [2020-10-09 18:32:18,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 225 transitions, 1016 flow [2020-10-09 18:32:18,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 225 transitions, 974 flow, removed 21 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:18,188 INFO L241 Difference]: Finished difference. Result has 201 places, 221 transitions, 974 flow [2020-10-09 18:32:18,188 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=974, PETRI_PLACES=201, PETRI_TRANSITIONS=221} [2020-10-09 18:32:18,188 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 36 predicate places. [2020-10-09 18:32:18,189 INFO L481 AbstractCegarLoop]: Abstraction has has 201 places, 221 transitions, 974 flow [2020-10-09 18:32:18,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:18,189 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:18,189 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:18,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-09 18:32:18,408 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:18,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:18,409 INFO L82 PathProgramCache]: Analyzing trace with hash -994042056, now seen corresponding path program 1 times [2020-10-09 18:32:18,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:18,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423133940] [2020-10-09 18:32:18,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:18,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 18:32:18,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:18,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:18,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423133940] [2020-10-09 18:32:18,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:18,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:18,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524702132] [2020-10-09 18:32:18,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:18,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:18,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:18,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:18,633 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 269 [2020-10-09 18:32:18,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 221 transitions, 974 flow. Second operand 5 states. [2020-10-09 18:32:18,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:18,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 269 [2020-10-09 18:32:18,634 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:21,397 INFO L129 PetriNetUnfolder]: 1639/11864 cut-off events. [2020-10-09 18:32:21,398 INFO L130 PetriNetUnfolder]: For 24042/33297 co-relation queries the response was YES. [2020-10-09 18:32:21,456 INFO L80 FinitePrefix]: Finished finitePrefix Result has 23724 conditions, 11864 events. 1639/11864 cut-off events. For 24042/33297 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 138714 event pairs, 181 based on Foata normal form. 141/10902 useless extension candidates. Maximal degree in co-relation 23697. Up to 897 conditions per place. [2020-10-09 18:32:21,502 INFO L132 encePairwiseOnDemand]: 261/269 looper letters, 11 selfloop transitions, 8 changer transitions 0/229 dead transitions. [2020-10-09 18:32:21,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 229 transitions, 1028 flow [2020-10-09 18:32:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1728 transitions. [2020-10-09 18:32:21,507 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9176845459373341 [2020-10-09 18:32:21,507 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1728 transitions. [2020-10-09 18:32:21,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1728 transitions. [2020-10-09 18:32:21,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:21,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1728 transitions. [2020-10-09 18:32:21,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:21,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:21,516 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:21,516 INFO L185 Difference]: Start difference. First operand has 201 places, 221 transitions, 974 flow. Second operand 7 states and 1728 transitions. [2020-10-09 18:32:21,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 229 transitions, 1028 flow [2020-10-09 18:32:21,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 229 transitions, 1028 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:21,671 INFO L241 Difference]: Finished difference. Result has 212 places, 228 transitions, 1032 flow [2020-10-09 18:32:21,672 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1032, PETRI_PLACES=212, PETRI_TRANSITIONS=228} [2020-10-09 18:32:21,672 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 47 predicate places. [2020-10-09 18:32:21,672 INFO L481 AbstractCegarLoop]: Abstraction has has 212 places, 228 transitions, 1032 flow [2020-10-09 18:32:21,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:21,672 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:21,673 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:21,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-09 18:32:21,886 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:21,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1583330869, now seen corresponding path program 1 times [2020-10-09 18:32:21,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:21,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862993217] [2020-10-09 18:32:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:21,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-09 18:32:21,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:21,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:22,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862993217] [2020-10-09 18:32:22,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:22,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-09 18:32:22,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993152822] [2020-10-09 18:32:22,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 18:32:22,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:22,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 18:32:22,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 18:32:22,067 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 269 [2020-10-09 18:32:22,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 228 transitions, 1032 flow. Second operand 3 states. [2020-10-09 18:32:22,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:22,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 269 [2020-10-09 18:32:22,068 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:22,188 INFO L129 PetriNetUnfolder]: 63/669 cut-off events. [2020-10-09 18:32:22,189 INFO L130 PetriNetUnfolder]: For 403/403 co-relation queries the response was YES. [2020-10-09 18:32:22,198 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 669 events. 63/669 cut-off events. For 403/403 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2468 event pairs, 0 based on Foata normal form. 16/628 useless extension candidates. Maximal degree in co-relation 1019. Up to 54 conditions per place. [2020-10-09 18:32:22,200 INFO L132 encePairwiseOnDemand]: 264/269 looper letters, 4 selfloop transitions, 2 changer transitions 26/182 dead transitions. [2020-10-09 18:32:22,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 182 transitions, 657 flow [2020-10-09 18:32:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 18:32:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-09 18:32:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2020-10-09 18:32:22,204 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9157372986369269 [2020-10-09 18:32:22,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 739 transitions. [2020-10-09 18:32:22,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 739 transitions. [2020-10-09 18:32:22,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:22,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 739 transitions. [2020-10-09 18:32:22,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-09 18:32:22,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-09 18:32:22,211 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-09 18:32:22,211 INFO L185 Difference]: Start difference. First operand has 212 places, 228 transitions, 1032 flow. Second operand 3 states and 739 transitions. [2020-10-09 18:32:22,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 182 transitions, 657 flow [2020-10-09 18:32:22,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 182 transitions, 553 flow, removed 27 selfloop flow, removed 17 redundant places. [2020-10-09 18:32:22,220 INFO L241 Difference]: Finished difference. Result has 187 places, 156 transitions, 460 flow [2020-10-09 18:32:22,221 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=460, PETRI_PLACES=187, PETRI_TRANSITIONS=156} [2020-10-09 18:32:22,221 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, 22 predicate places. [2020-10-09 18:32:22,222 INFO L481 AbstractCegarLoop]: Abstraction has has 187 places, 156 transitions, 460 flow [2020-10-09 18:32:22,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 18:32:22,222 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:22,222 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:22,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-09 18:32:22,438 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:22,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:22,439 INFO L82 PathProgramCache]: Analyzing trace with hash -182563517, now seen corresponding path program 1 times [2020-10-09 18:32:22,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:22,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2914837] [2020-10-09 18:32:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:22,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:22,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-09 18:32:22,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:22,568 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-09 18:32:22,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2914837] [2020-10-09 18:32:22,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:22,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:22,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957490284] [2020-10-09 18:32:22,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:22,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:22,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:22,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:22,864 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 269 [2020-10-09 18:32:22,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 156 transitions, 460 flow. Second operand 5 states. [2020-10-09 18:32:22,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:22,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 269 [2020-10-09 18:32:22,866 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:22,967 INFO L129 PetriNetUnfolder]: 37/384 cut-off events. [2020-10-09 18:32:22,967 INFO L130 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2020-10-09 18:32:22,970 INFO L80 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 384 events. 37/384 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 798 event pairs, 0 based on Foata normal form. 2/352 useless extension candidates. Maximal degree in co-relation 531. Up to 24 conditions per place. [2020-10-09 18:32:22,971 INFO L132 encePairwiseOnDemand]: 262/269 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2020-10-09 18:32:22,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 159 transitions, 524 flow [2020-10-09 18:32:22,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 18:32:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-09 18:32:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1440 transitions. [2020-10-09 18:32:22,977 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8921933085501859 [2020-10-09 18:32:22,977 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1440 transitions. [2020-10-09 18:32:22,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1440 transitions. [2020-10-09 18:32:22,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:22,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1440 transitions. [2020-10-09 18:32:22,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-09 18:32:22,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-09 18:32:22,987 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-09 18:32:22,988 INFO L185 Difference]: Start difference. First operand has 187 places, 156 transitions, 460 flow. Second operand 6 states and 1440 transitions. [2020-10-09 18:32:22,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 159 transitions, 524 flow [2020-10-09 18:32:22,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 480 flow, removed 6 selfloop flow, removed 15 redundant places. [2020-10-09 18:32:22,992 INFO L241 Difference]: Finished difference. Result has 161 places, 0 transitions, 0 flow [2020-10-09 18:32:22,992 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=161, PETRI_TRANSITIONS=0} [2020-10-09 18:32:22,992 INFO L341 CegarLoopForPetriNet]: 165 programPoint places, -4 predicate places. [2020-10-09 18:32:22,992 INFO L481 AbstractCegarLoop]: Abstraction has has 161 places, 0 transitions, 0 flow [2020-10-09 18:32:22,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:23,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-09 18:32:23,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 06:32:23 BasicIcfg [2020-10-09 18:32:23,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 18:32:23,214 INFO L168 Benchmark]: Toolchain (without parser) took 15936.27 ms. Allocated memory was 251.7 MB in the beginning and 896.5 MB in the end (delta: 644.9 MB). Free memory was 204.9 MB in the beginning and 438.0 MB in the end (delta: -233.0 MB). Peak memory consumption was 411.8 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:23,215 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 18:32:23,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1507.75 ms. Allocated memory was 251.7 MB in the beginning and 356.5 MB in the end (delta: 104.9 MB). Free memory was 204.9 MB in the beginning and 316.1 MB in the end (delta: -111.2 MB). Peak memory consumption was 110.5 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:23,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.55 ms. Allocated memory is still 356.5 MB. Free memory was 316.1 MB in the beginning and 309.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:23,217 INFO L168 Benchmark]: Boogie Preprocessor took 57.26 ms. Allocated memory is still 356.5 MB. Free memory is still 309.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 18:32:23,218 INFO L168 Benchmark]: RCFGBuilder took 946.30 ms. Allocated memory is still 356.5 MB. Free memory was 309.4 MB in the beginning and 256.1 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:23,218 INFO L168 Benchmark]: TraceAbstraction took 13300.97 ms. Allocated memory was 356.5 MB in the beginning and 896.5 MB in the end (delta: 540.0 MB). Free memory was 256.1 MB in the beginning and 438.0 MB in the end (delta: -181.8 MB). Peak memory consumption was 358.2 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:23,225 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1507.75 ms. Allocated memory was 251.7 MB in the beginning and 356.5 MB in the end (delta: 104.9 MB). Free memory was 204.9 MB in the beginning and 316.1 MB in the end (delta: -111.2 MB). Peak memory consumption was 110.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 116.55 ms. Allocated memory is still 356.5 MB. Free memory was 316.1 MB in the beginning and 309.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 57.26 ms. Allocated memory is still 356.5 MB. Free memory is still 309.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 946.30 ms. Allocated memory is still 356.5 MB. Free memory was 309.4 MB in the beginning and 256.1 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 13300.97 ms. Allocated memory was 356.5 MB in the beginning and 896.5 MB in the end (delta: 540.0 MB). Free memory was 256.1 MB in the beginning and 438.0 MB in the end (delta: -181.8 MB). Peak memory consumption was 358.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 181 SDtfs, 375 SDslu, 432 SDs, 0 SdLazy, 651 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1136 GetRequests, 1075 SyntacticMatches, 13 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1032occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1112 ConstructedInterpolants, 0 QuantifiedInterpolants, 87416 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1196 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 38/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...