/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/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 05:26:30,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 05:26:30,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 05:26:30,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 05:26:30,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 05:26:30,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 05:26:30,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 05:26:30,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 05:26:30,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 05:26:30,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 05:26:30,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 05:26:30,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 05:26:30,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 05:26:30,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 05:26:30,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 05:26:30,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 05:26:30,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 05:26:30,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 05:26:30,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 05:26:30,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 05:26:30,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 05:26:30,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 05:26:30,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 05:26:30,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 05:26:30,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 05:26:30,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 05:26:30,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 05:26:30,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 05:26:30,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 05:26:30,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 05:26:30,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 05:26:30,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 05:26:30,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 05:26:30,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 05:26:30,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 05:26:30,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 05:26:30,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 05:26:30,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 05:26:30,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 05:26:30,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 05:26:30,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 05:26:30,640 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 05:26:30,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 05:26:30,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 05:26:30,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 05:26:30,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 05:26:30,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 05:26:30,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 05:26:30,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 05:26:30,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 05:26:30,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 05:26:30,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 05:26:30,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 05:26:30,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 05:26:30,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 05:26:30,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 05:26:30,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 05:26:30,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 05:26:30,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:26:30,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 05:26:30,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 05:26:30,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 05:26:30,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 05:26:30,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 05:26:30,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 05:26:30,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 05:26:30,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 05:26:30,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 05:26:30,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 05:26:30,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 05:26:30,972 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 05:26:30,973 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-16 05:26:31,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cf7462a/59399691aedf4ad9b5b63719d8285137/FLAGe19f24591 [2020-10-16 05:26:31,699 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 05:26:31,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-10-16 05:26:31,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cf7462a/59399691aedf4ad9b5b63719d8285137/FLAGe19f24591 [2020-10-16 05:26:31,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cf7462a/59399691aedf4ad9b5b63719d8285137 [2020-10-16 05:26:31,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 05:26:31,892 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 05:26:31,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 05:26:31,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 05:26:31,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 05:26:31,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:31" (1/1) ... [2020-10-16 05:26:31,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6619a02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:31, skipping insertion in model container [2020-10-16 05:26:31,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:31" (1/1) ... [2020-10-16 05:26:31,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 05:26:31,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 05:26:32,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:26:32,861 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 05:26:32,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:26:33,466 INFO L208 MainTranslator]: Completed translation [2020-10-16 05:26:33,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33 WrapperNode [2020-10-16 05:26:33,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 05:26:33,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 05:26:33,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 05:26:33,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 05:26:33,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 05:26:33,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 05:26:33,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 05:26:33,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 05:26:33,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (1/1) ... [2020-10-16 05:26:33,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 05:26:33,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 05:26:33,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 05:26:33,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 05:26:33,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (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 [2020-10-16 05:26:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-16 05:26:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-16 05:26:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 05:26:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 05:26:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-16 05:26:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-16 05:26:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 05:26:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 05:26:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 05:26:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 05:26:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 05:26:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 05:26:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 05:26:33,710 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 05:26:34,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 05:26:34,359 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-16 05:26:34,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:34 BoogieIcfgContainer [2020-10-16 05:26:34,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 05:26:34,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 05:26:34,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 05:26:34,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 05:26:34,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:26:31" (1/3) ... [2020-10-16 05:26:34,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b54a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:34, skipping insertion in model container [2020-10-16 05:26:34,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:33" (2/3) ... [2020-10-16 05:26:34,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b54a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:34, skipping insertion in model container [2020-10-16 05:26:34,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:34" (3/3) ... [2020-10-16 05:26:34,369 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-10-16 05:26:34,381 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 05:26:34,389 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 05:26:34,390 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 05:26:34,423 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,424 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,424 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,424 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,424 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,425 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,425 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,425 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,425 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,426 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,426 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,426 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,426 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,426 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,426 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,427 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,427 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,427 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,427 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,428 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,428 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,428 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,428 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,429 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,429 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,429 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,429 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,431 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,431 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,431 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,432 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,432 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,432 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,432 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,433 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,433 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,433 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,433 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,434 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,434 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,434 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,434 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,434 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,435 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,435 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,435 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,436 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,436 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,436 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,436 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,437 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,437 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,437 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,437 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,437 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,438 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,438 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,438 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,438 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,438 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,439 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,439 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,439 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,439 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,439 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,440 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,440 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,440 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,440 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,441 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,441 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,441 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,441 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,442 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,443 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,443 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,443 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,443 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,443 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,444 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,444 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,444 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,444 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,445 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,445 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,445 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,445 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,446 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,446 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,446 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,446 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,446 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,447 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,447 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,447 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,447 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,447 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,448 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,448 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,448 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,448 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,449 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,449 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,449 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,449 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,449 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,450 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,450 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,450 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,450 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,450 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,451 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,451 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,451 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,455 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,455 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,455 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,456 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,456 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,456 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,456 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,456 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,457 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,464 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,464 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,464 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,465 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,465 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,465 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,465 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,465 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,466 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,466 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,466 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,466 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,466 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,467 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,467 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,467 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,467 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,467 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,467 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,468 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,468 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,471 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,472 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,472 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,472 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,473 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,473 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,473 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,473 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,473 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:34,505 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-10-16 05:26:34,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 05:26:34,523 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 05:26:34,523 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 05:26:34,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 05:26:34,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 05:26:34,524 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 05:26:34,524 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 05:26:34,524 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 05:26:34,545 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-10-16 05:26:34,716 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-10-16 05:26:34,717 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 05:26:34,733 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. [2020-10-16 05:26:34,733 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 269 transitions, 580 flow [2020-10-16 05:26:34,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 182 transitions, 387 flow [2020-10-16 05:26:34,747 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 05:26:34,750 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 182 transitions, 387 flow [2020-10-16 05:26:34,753 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 182 transitions, 387 flow [2020-10-16 05:26:34,753 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 165 places, 182 transitions, 387 flow [2020-10-16 05:26:34,820 INFO L129 PetriNetUnfolder]: 63/467 cut-off events. [2020-10-16 05:26:34,820 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 05:26:34,824 INFO L80 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 467 events. 63/467 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1129 event pairs, 0 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 408. Up to 24 conditions per place. [2020-10-16 05:26:34,841 INFO L117 LiptonReduction]: Number of co-enabled transitions 9678 [2020-10-16 05:26:38,140 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:26:39,329 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-16 05:26:39,479 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-16 05:26:39,526 INFO L132 LiptonReduction]: Checked pairs total: 16891 [2020-10-16 05:26:39,526 INFO L134 LiptonReduction]: Total number of compositions: 220 [2020-10-16 05:26:39,529 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4784 [2020-10-16 05:26:39,533 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2020-10-16 05:26:39,533 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:26:39,533 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:39,534 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 05:26:39,534 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]=== [2020-10-16 05:26:39,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:39,539 INFO L82 PathProgramCache]: Analyzing trace with hash 844, now seen corresponding path program 1 times [2020-10-16 05:26:39,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:39,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862472264] [2020-10-16 05:26:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:39,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862472264] [2020-10-16 05:26:39,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:39,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 05:26:39,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408341600] [2020-10-16 05:26:39,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 05:26:39,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:39,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 05:26:39,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 05:26:39,819 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 489 [2020-10-16 05:26:39,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 43 transitions, 109 flow. Second operand 2 states. [2020-10-16 05:26:39,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:39,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 489 [2020-10-16 05:26:39,824 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:39,845 INFO L129 PetriNetUnfolder]: 20/106 cut-off events. [2020-10-16 05:26:39,846 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 05:26:39,846 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 106 events. 20/106 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 322 event pairs, 0 based on Foata normal form. 6/74 useless extension candidates. Maximal degree in co-relation 126. Up to 11 conditions per place. [2020-10-16 05:26:39,848 INFO L132 encePairwiseOnDemand]: 485/489 looper letters, 0 selfloop transitions, 0 changer transitions 0/39 dead transitions. [2020-10-16 05:26:39,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 101 flow [2020-10-16 05:26:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 05:26:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 05:26:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 894 transitions. [2020-10-16 05:26:39,869 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9141104294478528 [2020-10-16 05:26:39,870 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 894 transitions. [2020-10-16 05:26:39,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 894 transitions. [2020-10-16 05:26:39,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:39,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 894 transitions. [2020-10-16 05:26:39,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 05:26:39,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 05:26:39,891 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 05:26:39,894 INFO L185 Difference]: Start difference. First operand has 39 places, 43 transitions, 109 flow. Second operand 2 states and 894 transitions. [2020-10-16 05:26:39,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 101 flow [2020-10-16 05:26:39,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:39,900 INFO L241 Difference]: Finished difference. Result has 36 places, 39 transitions, 97 flow [2020-10-16 05:26:39,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=97, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2020-10-16 05:26:39,904 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2020-10-16 05:26:39,904 INFO L481 AbstractCegarLoop]: Abstraction has has 36 places, 39 transitions, 97 flow [2020-10-16 05:26:39,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 05:26:39,905 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:39,905 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 05:26:39,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 05:26:39,906 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]=== [2020-10-16 05:26:39,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:39,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1132824231, now seen corresponding path program 1 times [2020-10-16 05:26:39,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:39,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232831395] [2020-10-16 05:26:39,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:40,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232831395] [2020-10-16 05:26:40,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:40,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:26:40,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116617156] [2020-10-16 05:26:40,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 05:26:40,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:40,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 05:26:40,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 05:26:40,098 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 489 [2020-10-16 05:26:40,100 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 39 transitions, 97 flow. Second operand 4 states. [2020-10-16 05:26:40,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:40,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 489 [2020-10-16 05:26:40,100 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:40,315 INFO L129 PetriNetUnfolder]: 553/1061 cut-off events. [2020-10-16 05:26:40,315 INFO L130 PetriNetUnfolder]: For 16/19 co-relation queries the response was YES. [2020-10-16 05:26:40,317 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1953 conditions, 1061 events. 553/1061 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5318 event pairs, 104 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1949. Up to 324 conditions per place. [2020-10-16 05:26:40,325 INFO L132 encePairwiseOnDemand]: 480/489 looper letters, 30 selfloop transitions, 14 changer transitions 0/67 dead transitions. [2020-10-16 05:26:40,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 67 transitions, 241 flow [2020-10-16 05:26:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 05:26:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 05:26:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1921 transitions. [2020-10-16 05:26:40,331 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7856850715746422 [2020-10-16 05:26:40,331 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1921 transitions. [2020-10-16 05:26:40,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1921 transitions. [2020-10-16 05:26:40,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:40,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1921 transitions. [2020-10-16 05:26:40,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 05:26:40,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 05:26:40,340 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 05:26:40,341 INFO L185 Difference]: Start difference. First operand has 36 places, 39 transitions, 97 flow. Second operand 5 states and 1921 transitions. [2020-10-16 05:26:40,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 67 transitions, 241 flow [2020-10-16 05:26:40,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 67 transitions, 241 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:26:40,344 INFO L241 Difference]: Finished difference. Result has 44 places, 51 transitions, 201 flow [2020-10-16 05:26:40,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=201, PETRI_PLACES=44, PETRI_TRANSITIONS=51} [2020-10-16 05:26:40,345 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 5 predicate places. [2020-10-16 05:26:40,346 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 51 transitions, 201 flow [2020-10-16 05:26:40,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 05:26:40,346 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:40,346 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:40,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 05:26:40,347 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]=== [2020-10-16 05:26:40,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:40,347 INFO L82 PathProgramCache]: Analyzing trace with hash -2003495890, now seen corresponding path program 1 times [2020-10-16 05:26:40,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:40,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342522211] [2020-10-16 05:26:40,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:40,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:40,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342522211] [2020-10-16 05:26:40,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:40,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:26:40,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810489644] [2020-10-16 05:26:40,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:40,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:40,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:40,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:40,443 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 489 [2020-10-16 05:26:40,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 51 transitions, 201 flow. Second operand 3 states. [2020-10-16 05:26:40,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:40,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 489 [2020-10-16 05:26:40,444 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:40,613 INFO L129 PetriNetUnfolder]: 411/859 cut-off events. [2020-10-16 05:26:40,614 INFO L130 PetriNetUnfolder]: For 710/764 co-relation queries the response was YES. [2020-10-16 05:26:40,617 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2442 conditions, 859 events. 411/859 cut-off events. For 710/764 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4369 event pairs, 94 based on Foata normal form. 37/659 useless extension candidates. Maximal degree in co-relation 2434. Up to 521 conditions per place. [2020-10-16 05:26:40,627 INFO L132 encePairwiseOnDemand]: 484/489 looper letters, 26 selfloop transitions, 8 changer transitions 0/60 dead transitions. [2020-10-16 05:26:40,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 60 transitions, 315 flow [2020-10-16 05:26:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1172 transitions. [2020-10-16 05:26:40,632 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7989093387866394 [2020-10-16 05:26:40,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1172 transitions. [2020-10-16 05:26:40,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1172 transitions. [2020-10-16 05:26:40,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:40,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1172 transitions. [2020-10-16 05:26:40,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:40,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:40,641 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:40,641 INFO L185 Difference]: Start difference. First operand has 44 places, 51 transitions, 201 flow. Second operand 3 states and 1172 transitions. [2020-10-16 05:26:40,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 60 transitions, 315 flow [2020-10-16 05:26:40,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 315 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:26:40,651 INFO L241 Difference]: Finished difference. Result has 47 places, 56 transitions, 267 flow [2020-10-16 05:26:40,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=267, PETRI_PLACES=47, PETRI_TRANSITIONS=56} [2020-10-16 05:26:40,652 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places. [2020-10-16 05:26:40,652 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 56 transitions, 267 flow [2020-10-16 05:26:40,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:40,652 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:40,652 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:40,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 05:26:40,653 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]=== [2020-10-16 05:26:40,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:40,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1969626149, now seen corresponding path program 1 times [2020-10-16 05:26:40,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:40,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607206143] [2020-10-16 05:26:40,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:40,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607206143] [2020-10-16 05:26:40,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:40,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:26:40,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197327513] [2020-10-16 05:26:40,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:40,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:40,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:40,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:40,747 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 489 [2020-10-16 05:26:40,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 56 transitions, 267 flow. Second operand 3 states. [2020-10-16 05:26:40,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:40,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 489 [2020-10-16 05:26:40,749 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:40,802 INFO L129 PetriNetUnfolder]: 48/191 cut-off events. [2020-10-16 05:26:40,803 INFO L130 PetriNetUnfolder]: For 162/174 co-relation queries the response was YES. [2020-10-16 05:26:40,803 INFO L80 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 191 events. 48/191 cut-off events. For 162/174 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 798 event pairs, 0 based on Foata normal form. 12/174 useless extension candidates. Maximal degree in co-relation 426. Up to 46 conditions per place. [2020-10-16 05:26:40,805 INFO L132 encePairwiseOnDemand]: 482/489 looper letters, 9 selfloop transitions, 4 changer transitions 1/55 dead transitions. [2020-10-16 05:26:40,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 55 transitions, 277 flow [2020-10-16 05:26:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:40,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1167 transitions. [2020-10-16 05:26:40,809 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7955010224948875 [2020-10-16 05:26:40,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1167 transitions. [2020-10-16 05:26:40,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1167 transitions. [2020-10-16 05:26:40,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:40,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1167 transitions. [2020-10-16 05:26:40,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:40,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:40,826 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:40,827 INFO L185 Difference]: Start difference. First operand has 47 places, 56 transitions, 267 flow. Second operand 3 states and 1167 transitions. [2020-10-16 05:26:40,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 55 transitions, 277 flow [2020-10-16 05:26:40,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 55 transitions, 261 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 05:26:40,835 INFO L241 Difference]: Finished difference. Result has 47 places, 53 transitions, 255 flow [2020-10-16 05:26:40,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=47, PETRI_TRANSITIONS=53} [2020-10-16 05:26:40,836 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places. [2020-10-16 05:26:40,836 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 53 transitions, 255 flow [2020-10-16 05:26:40,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:40,836 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:40,837 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:40,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 05:26:40,837 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]=== [2020-10-16 05:26:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1214163500, now seen corresponding path program 1 times [2020-10-16 05:26:40,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:40,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707351600] [2020-10-16 05:26:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:40,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707351600] [2020-10-16 05:26:40,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:40,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:26:40,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731620304] [2020-10-16 05:26:40,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:40,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:40,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:40,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:40,964 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 489 [2020-10-16 05:26:40,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 53 transitions, 255 flow. Second operand 3 states. [2020-10-16 05:26:40,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:40,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 489 [2020-10-16 05:26:40,965 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:40,996 INFO L129 PetriNetUnfolder]: 17/80 cut-off events. [2020-10-16 05:26:40,997 INFO L130 PetriNetUnfolder]: For 68/76 co-relation queries the response was YES. [2020-10-16 05:26:40,998 INFO L80 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 80 events. 17/80 cut-off events. For 68/76 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 150 event pairs, 0 based on Foata normal form. 12/85 useless extension candidates. Maximal degree in co-relation 160. Up to 13 conditions per place. [2020-10-16 05:26:40,999 INFO L132 encePairwiseOnDemand]: 486/489 looper letters, 4 selfloop transitions, 2 changer transitions 1/43 dead transitions. [2020-10-16 05:26:40,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 43 transitions, 201 flow [2020-10-16 05:26:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2020-10-16 05:26:41,005 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8759372869802318 [2020-10-16 05:26:41,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1285 transitions. [2020-10-16 05:26:41,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1285 transitions. [2020-10-16 05:26:41,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:41,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1285 transitions. [2020-10-16 05:26:41,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:41,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:41,014 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:41,014 INFO L185 Difference]: Start difference. First operand has 47 places, 53 transitions, 255 flow. Second operand 3 states and 1285 transitions. [2020-10-16 05:26:41,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 43 transitions, 201 flow [2020-10-16 05:26:41,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 177 flow, removed 7 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:41,020 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 169 flow [2020-10-16 05:26:41,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2020-10-16 05:26:41,021 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 7 predicate places. [2020-10-16 05:26:41,022 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 169 flow [2020-10-16 05:26:41,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:41,022 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:41,022 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:41,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 05:26:41,050 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]=== [2020-10-16 05:26:41,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:41,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1928571725, now seen corresponding path program 1 times [2020-10-16 05:26:41,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:41,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004023592] [2020-10-16 05:26:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:41,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004023592] [2020-10-16 05:26:41,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:41,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:26:41,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251813666] [2020-10-16 05:26:41,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:41,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:41,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:41,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:41,123 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 489 [2020-10-16 05:26:41,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 169 flow. Second operand 3 states. [2020-10-16 05:26:41,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:41,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 489 [2020-10-16 05:26:41,124 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:41,161 INFO L129 PetriNetUnfolder]: 15/69 cut-off events. [2020-10-16 05:26:41,161 INFO L130 PetriNetUnfolder]: For 103/115 co-relation queries the response was YES. [2020-10-16 05:26:41,161 INFO L80 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 69 events. 15/69 cut-off events. For 103/115 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 8/71 useless extension candidates. Maximal degree in co-relation 144. Up to 18 conditions per place. [2020-10-16 05:26:41,162 INFO L132 encePairwiseOnDemand]: 487/489 looper letters, 9 selfloop transitions, 1 changer transitions 10/41 dead transitions. [2020-10-16 05:26:41,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 41 transitions, 201 flow [2020-10-16 05:26:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2020-10-16 05:26:41,166 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7934560327198364 [2020-10-16 05:26:41,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1164 transitions. [2020-10-16 05:26:41,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1164 transitions. [2020-10-16 05:26:41,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:41,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1164 transitions. [2020-10-16 05:26:41,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:41,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:41,171 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:41,172 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 169 flow. Second operand 3 states and 1164 transitions. [2020-10-16 05:26:41,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 41 transitions, 201 flow [2020-10-16 05:26:41,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 199 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 05:26:41,176 INFO L241 Difference]: Finished difference. Result has 46 places, 31 transitions, 102 flow [2020-10-16 05:26:41,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=46, PETRI_TRANSITIONS=31} [2020-10-16 05:26:41,177 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, 7 predicate places. [2020-10-16 05:26:41,177 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 31 transitions, 102 flow [2020-10-16 05:26:41,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:41,177 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:41,177 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:26:41,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 05:26:41,178 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]=== [2020-10-16 05:26:41,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:41,178 INFO L82 PathProgramCache]: Analyzing trace with hash -248226698, now seen corresponding path program 1 times [2020-10-16 05:26:41,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:41,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521776237] [2020-10-16 05:26:41,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 05:26:41,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521776237] [2020-10-16 05:26:41,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:41,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:26:41,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377474505] [2020-10-16 05:26:41,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:41,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:41,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:41,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:41,265 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 489 [2020-10-16 05:26:41,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 31 transitions, 102 flow. Second operand 3 states. [2020-10-16 05:26:41,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:41,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 489 [2020-10-16 05:26:41,266 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:41,294 INFO L129 PetriNetUnfolder]: 17/66 cut-off events. [2020-10-16 05:26:41,294 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2020-10-16 05:26:41,294 INFO L80 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 66 events. 17/66 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 0 based on Foata normal form. 2/61 useless extension candidates. Maximal degree in co-relation 116. Up to 13 conditions per place. [2020-10-16 05:26:41,295 INFO L132 encePairwiseOnDemand]: 483/489 looper letters, 0 selfloop transitions, 0 changer transitions 34/34 dead transitions. [2020-10-16 05:26:41,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 140 flow [2020-10-16 05:26:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:41,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:41,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2020-10-16 05:26:41,299 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7941376959781867 [2020-10-16 05:26:41,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2020-10-16 05:26:41,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2020-10-16 05:26:41,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:41,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2020-10-16 05:26:41,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:41,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:41,305 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:41,305 INFO L185 Difference]: Start difference. First operand has 46 places, 31 transitions, 102 flow. Second operand 3 states and 1165 transitions. [2020-10-16 05:26:41,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 140 flow [2020-10-16 05:26:41,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 34 transitions, 127 flow, removed 2 selfloop flow, removed 6 redundant places. [2020-10-16 05:26:41,307 INFO L241 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2020-10-16 05:26:41,307 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=489, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2020-10-16 05:26:41,307 INFO L342 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2020-10-16 05:26:41,307 INFO L481 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2020-10-16 05:26:41,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:41,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 05:26:41,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:26:41 BasicIcfg [2020-10-16 05:26:41,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 05:26:41,315 INFO L168 Benchmark]: Toolchain (without parser) took 9421.49 ms. Allocated memory was 252.2 MB in the beginning and 484.4 MB in the end (delta: 232.3 MB). Free memory was 202.9 MB in the beginning and 389.8 MB in the end (delta: -186.8 MB). Peak memory consumption was 45.4 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:41,316 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 252.2 MB. Free memory is still 226.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:26:41,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1574.79 ms. Allocated memory was 252.2 MB in the beginning and 357.0 MB in the end (delta: 104.9 MB). Free memory was 202.9 MB in the beginning and 316.5 MB in the end (delta: -113.6 MB). Peak memory consumption was 107.5 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:41,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.14 ms. Allocated memory is still 357.0 MB. Free memory was 316.5 MB in the beginning and 313.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:41,324 INFO L168 Benchmark]: Boogie Preprocessor took 64.79 ms. Allocated memory is still 357.0 MB. Free memory was 313.1 MB in the beginning and 309.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:41,324 INFO L168 Benchmark]: RCFGBuilder took 735.28 ms. Allocated memory is still 357.0 MB. Free memory was 309.8 MB in the beginning and 256.5 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 14.2 GB. [2020-10-16 05:26:41,325 INFO L168 Benchmark]: TraceAbstraction took 6949.91 ms. Allocated memory was 357.0 MB in the beginning and 484.4 MB in the end (delta: 127.4 MB). Free memory was 256.5 MB in the beginning and 389.8 MB in the end (delta: -133.2 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:26:41,338 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 252.2 MB. Free memory is still 226.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1574.79 ms. Allocated memory was 252.2 MB in the beginning and 357.0 MB in the end (delta: 104.9 MB). Free memory was 202.9 MB in the beginning and 316.5 MB in the end (delta: -113.6 MB). Peak memory consumption was 107.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 89.14 ms. Allocated memory is still 357.0 MB. Free memory was 316.5 MB in the beginning and 313.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 64.79 ms. Allocated memory is still 357.0 MB. Free memory was 313.1 MB in the beginning and 309.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 735.28 ms. Allocated memory is still 357.0 MB. Free memory was 309.8 MB in the beginning and 256.5 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 6949.91 ms. Allocated memory was 357.0 MB in the beginning and 484.4 MB in the end (delta: 127.4 MB). Free memory was 256.5 MB in the beginning and 389.8 MB in the end (delta: -133.2 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7503 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 23 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 307 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.7s, 165 PlacesBefore, 39 PlacesAfterwards, 182 TransitionsBefore, 43 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 119 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 43 ConcurrentYvCompositions, 13 ChoiceCompositions, 220 TotalNumberOfCompositions, 16891 MoverChecksTotal - 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: 6.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: 73 SDtfs, 24 SDslu, 14 SDs, 0 SdLazy, 96 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 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...