./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b15092c76d03e75a71025b449ec40bba665d3bb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:31:07,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:31:07,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:31:07,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:31:07,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:31:07,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:31:07,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:31:07,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:31:07,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:31:07,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:31:07,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:31:07,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:31:07,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:31:07,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:31:07,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:31:07,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:31:07,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:31:07,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:31:07,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:31:07,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:31:07,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:31:07,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:31:07,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:31:07,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:31:07,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:31:07,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:31:07,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:31:07,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:31:07,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:31:07,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:31:07,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:31:07,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:31:07,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:31:07,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:31:07,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:31:07,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:31:07,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:31:07,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:31:07,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:31:07,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:31:07,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:31:07,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:31:07,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:31:07,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:31:07,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:31:07,839 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:31:07,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:31:07,839 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:31:07,840 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:31:07,840 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:31:07,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:31:07,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:31:07,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:31:07,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:31:07,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:31:07,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:31:07,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:31:07,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:31:07,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:31:07,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:31:07,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:31:07,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:31:07,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:31:07,844 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b15092c76d03e75a71025b449ec40bba665d3bb [2019-12-07 20:31:07,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:31:07,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:31:07,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:31:07,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:31:07,956 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:31:07,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2019-12-07 20:31:07,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/data/fb9da0803/025689c7c7184fcbb9106896d1e29e61/FLAGb6006478f [2019-12-07 20:31:08,498 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:31:08,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2019-12-07 20:31:08,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/data/fb9da0803/025689c7c7184fcbb9106896d1e29e61/FLAGb6006478f [2019-12-07 20:31:09,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/data/fb9da0803/025689c7c7184fcbb9106896d1e29e61 [2019-12-07 20:31:09,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:31:09,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:31:09,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:31:09,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:31:09,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:31:09,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b06cb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09, skipping insertion in model container [2019-12-07 20:31:09,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:31:09,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:31:09,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:31:09,558 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:31:09,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:31:09,809 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:31:09,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09 WrapperNode [2019-12-07 20:31:09,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:31:09,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:31:09,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:31:09,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:31:09,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:31:09,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:31:09,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:31:09,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:31:09,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... [2019-12-07 20:31:09,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:31:09,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:31:09,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:31:09,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:31:09,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/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 [2019-12-07 20:31:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2019-12-07 20:31:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2019-12-07 20:31:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2019-12-07 20:31:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:31:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:31:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 20:31:09,937 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 20:31:10,389 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:31:10,390 INFO L287 CfgBuilder]: Removed 34 assume(true) statements. [2019-12-07 20:31:10,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:31:10 BoogieIcfgContainer [2019-12-07 20:31:10,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:31:10,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:31:10,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:31:10,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:31:10,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:31:09" (1/3) ... [2019-12-07 20:31:10,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bec786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:31:10, skipping insertion in model container [2019-12-07 20:31:10,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:31:09" (2/3) ... [2019-12-07 20:31:10,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bec786c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:31:10, skipping insertion in model container [2019-12-07 20:31:10,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:31:10" (3/3) ... [2019-12-07 20:31:10,396 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2019-12-07 20:31:10,402 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 20:31:10,403 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:31:10,407 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-12-07 20:31:10,408 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 20:31:10,431 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,431 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,431 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,431 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,432 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,432 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,432 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,432 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,432 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,432 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,433 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,433 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,433 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,433 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,433 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,433 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,434 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,434 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,434 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,434 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,434 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,434 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,435 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,435 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,435 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,435 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,435 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,437 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,437 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,437 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,437 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,438 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,438 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,438 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,438 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,438 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,438 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,439 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,440 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,441 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,441 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,441 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,441 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,441 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,441 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,442 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,443 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,444 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,444 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,444 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,444 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,445 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,445 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,445 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,445 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,445 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,445 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,446 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,446 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,446 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,446 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,446 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,447 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,447 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,447 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,447 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,447 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,447 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,448 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,449 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,450 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,451 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,451 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,451 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,451 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,451 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,451 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,452 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,452 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,452 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 20:31:10,484 INFO L249 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-12-07 20:31:10,497 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:31:10,497 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:31:10,497 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:31:10,497 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:31:10,497 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:31:10,497 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:31:10,497 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:31:10,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:31:10,511 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 285 transitions [2019-12-07 20:31:10,512 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions [2019-12-07 20:31:10,606 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [614] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][17] and Marking [192#L1781-1true, 3#L1707-2true, 20#thread_ath9kENTRYtrue, 248#(not thread_ath9kThread1of1ForFork0_inUse), 251#thread_usbThread1of1ForFork1_inUse, 253#thread_ath9kThread1of1ForFork0_inUse] [2019-12-07 20:31:10,606 INFO L378 tUnfolder$Statistics]: new Event has 162 ancestors and is cut-off event [2019-12-07 20:31:10,606 INFO L381 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2019-12-07 20:31:10,609 INFO L134 PetriNetUnfolder]: 69/511 cut-off events. [2019-12-07 20:31:10,609 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 20:31:10,620 INFO L76 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1630 event pairs. 57/473 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2019-12-07 20:31:10,642 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions [2019-12-07 20:31:10,691 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [614] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][17] and Marking [192#L1781-1true, 3#L1707-2true, 20#thread_ath9kENTRYtrue, 248#(not thread_ath9kThread1of1ForFork0_inUse), 251#thread_usbThread1of1ForFork1_inUse, 253#thread_ath9kThread1of1ForFork0_inUse] [2019-12-07 20:31:10,691 INFO L378 tUnfolder$Statistics]: new Event has 162 ancestors and is cut-off event [2019-12-07 20:31:10,691 INFO L381 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2019-12-07 20:31:10,693 INFO L134 PetriNetUnfolder]: 69/511 cut-off events. [2019-12-07 20:31:10,693 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 20:31:10,699 INFO L76 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1630 event pairs. 57/473 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2019-12-07 20:31:10,717 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10574 [2019-12-07 20:31:10,717 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 20:31:17,167 WARN L192 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-12-07 20:31:17,906 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-12-07 20:31:18,080 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-12-07 20:31:18,564 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-12-07 20:31:18,669 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-07 20:31:18,955 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2019-12-07 20:31:19,091 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-07 20:31:19,100 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14048 [2019-12-07 20:31:19,100 INFO L214 etLargeBlockEncoding]: Total number of compositions: 335 [2019-12-07 20:31:19,102 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 69 transitions [2019-12-07 20:31:19,139 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 960 states. [2019-12-07 20:31:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states. [2019-12-07 20:31:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-07 20:31:19,144 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:19,144 INFO L410 BasicCegarLoop]: trace histogram [1] [2019-12-07 20:31:19,144 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:19,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:19,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1011, now seen corresponding path program 1 times [2019-12-07 20:31:19,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:19,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440404966] [2019-12-07 20:31:19,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:31:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:31:19,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440404966] [2019-12-07 20:31:19,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:31:19,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-07 20:31:19,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957211312] [2019-12-07 20:31:19,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:31:19,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:31:19,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:31:19,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:31:19,301 INFO L87 Difference]: Start difference. First operand 960 states. Second operand 2 states. [2019-12-07 20:31:19,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:31:19,332 INFO L93 Difference]: Finished difference Result 958 states and 2720 transitions. [2019-12-07 20:31:19,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:31:19,333 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-07 20:31:19,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:31:19,349 INFO L225 Difference]: With dead ends: 958 [2019-12-07 20:31:19,349 INFO L226 Difference]: Without dead ends: 929 [2019-12-07 20:31:19,350 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:31:19,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-12-07 20:31:19,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 929. [2019-12-07 20:31:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-12-07 20:31:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 2662 transitions. [2019-12-07 20:31:19,416 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 2662 transitions. Word has length 1 [2019-12-07 20:31:19,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:31:19,417 INFO L462 AbstractCegarLoop]: Abstraction has 929 states and 2662 transitions. [2019-12-07 20:31:19,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:31:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2662 transitions. [2019-12-07 20:31:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 20:31:19,417 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:19,417 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 20:31:19,418 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:19,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:19,418 INFO L82 PathProgramCache]: Analyzing trace with hash -473063374, now seen corresponding path program 1 times [2019-12-07 20:31:19,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:19,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084480891] [2019-12-07 20:31:19,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:31:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:31:19,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084480891] [2019-12-07 20:31:19,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:31:19,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:31:19,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699096489] [2019-12-07 20:31:19,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:31:19,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:31:19,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:31:19,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:31:19,513 INFO L87 Difference]: Start difference. First operand 929 states and 2662 transitions. Second operand 4 states. [2019-12-07 20:31:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:31:19,639 INFO L93 Difference]: Finished difference Result 1348 states and 3835 transitions. [2019-12-07 20:31:19,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:31:19,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 20:31:19,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:31:19,650 INFO L225 Difference]: With dead ends: 1348 [2019-12-07 20:31:19,650 INFO L226 Difference]: Without dead ends: 1325 [2019-12-07 20:31:19,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:31:19,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2019-12-07 20:31:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1019. [2019-12-07 20:31:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2019-12-07 20:31:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 2904 transitions. [2019-12-07 20:31:19,689 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 2904 transitions. Word has length 6 [2019-12-07 20:31:19,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:31:19,690 INFO L462 AbstractCegarLoop]: Abstraction has 1019 states and 2904 transitions. [2019-12-07 20:31:19,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:31:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2904 transitions. [2019-12-07 20:31:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 20:31:19,691 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:19,691 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 20:31:19,691 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:19,692 INFO L82 PathProgramCache]: Analyzing trace with hash -473033101, now seen corresponding path program 1 times [2019-12-07 20:31:19,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:19,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326697587] [2019-12-07 20:31:19,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:31:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:31:19,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326697587] [2019-12-07 20:31:19,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:31:19,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:31:19,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424766648] [2019-12-07 20:31:19,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:31:19,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:31:19,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:31:19,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:19,743 INFO L87 Difference]: Start difference. First operand 1019 states and 2904 transitions. Second operand 3 states. [2019-12-07 20:31:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:31:19,761 INFO L93 Difference]: Finished difference Result 1457 states and 4024 transitions. [2019-12-07 20:31:19,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:31:19,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 20:31:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:31:19,769 INFO L225 Difference]: With dead ends: 1457 [2019-12-07 20:31:19,770 INFO L226 Difference]: Without dead ends: 1451 [2019-12-07 20:31:19,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:19,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2019-12-07 20:31:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1067. [2019-12-07 20:31:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2019-12-07 20:31:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 3036 transitions. [2019-12-07 20:31:19,798 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 3036 transitions. Word has length 6 [2019-12-07 20:31:19,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:31:19,798 INFO L462 AbstractCegarLoop]: Abstraction has 1067 states and 3036 transitions. [2019-12-07 20:31:19,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:31:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 3036 transitions. [2019-12-07 20:31:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:31:19,799 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:19,799 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:31:19,799 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:19,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:19,799 INFO L82 PathProgramCache]: Analyzing trace with hash 662723744, now seen corresponding path program 1 times [2019-12-07 20:31:19,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:19,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770488985] [2019-12-07 20:31:19,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:31:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:31:19,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770488985] [2019-12-07 20:31:19,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:31:19,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:31:19,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412300343] [2019-12-07 20:31:19,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:31:19,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:31:19,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:31:19,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:19,838 INFO L87 Difference]: Start difference. First operand 1067 states and 3036 transitions. Second operand 3 states. [2019-12-07 20:31:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:31:19,891 INFO L93 Difference]: Finished difference Result 1511 states and 4398 transitions. [2019-12-07 20:31:19,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:31:19,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 20:31:19,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:31:19,900 INFO L225 Difference]: With dead ends: 1511 [2019-12-07 20:31:19,900 INFO L226 Difference]: Without dead ends: 1505 [2019-12-07 20:31:19,900 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:19,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2019-12-07 20:31:19,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1111. [2019-12-07 20:31:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2019-12-07 20:31:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 3103 transitions. [2019-12-07 20:31:19,928 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 3103 transitions. Word has length 8 [2019-12-07 20:31:19,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:31:19,928 INFO L462 AbstractCegarLoop]: Abstraction has 1111 states and 3103 transitions. [2019-12-07 20:31:19,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:31:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 3103 transitions. [2019-12-07 20:31:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:31:19,929 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:19,929 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:31:19,929 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:19,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:19,929 INFO L82 PathProgramCache]: Analyzing trace with hash 662305458, now seen corresponding path program 1 times [2019-12-07 20:31:19,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:19,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784095138] [2019-12-07 20:31:19,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:31:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:31:19,964 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784095138] [2019-12-07 20:31:19,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:31:19,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:31:19,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941808857] [2019-12-07 20:31:19,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:31:19,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:31:19,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:31:19,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:19,965 INFO L87 Difference]: Start difference. First operand 1111 states and 3103 transitions. Second operand 3 states. [2019-12-07 20:31:20,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:31:20,013 INFO L93 Difference]: Finished difference Result 1199 states and 3225 transitions. [2019-12-07 20:31:20,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:31:20,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 20:31:20,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:31:20,019 INFO L225 Difference]: With dead ends: 1199 [2019-12-07 20:31:20,019 INFO L226 Difference]: Without dead ends: 1158 [2019-12-07 20:31:20,019 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2019-12-07 20:31:20,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2019-12-07 20:31:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2019-12-07 20:31:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 3099 transitions. [2019-12-07 20:31:20,041 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 3099 transitions. Word has length 8 [2019-12-07 20:31:20,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:31:20,042 INFO L462 AbstractCegarLoop]: Abstraction has 1158 states and 3099 transitions. [2019-12-07 20:31:20,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:31:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 3099 transitions. [2019-12-07 20:31:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:31:20,043 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:20,043 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:31:20,043 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:20,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:20,043 INFO L82 PathProgramCache]: Analyzing trace with hash -930253359, now seen corresponding path program 1 times [2019-12-07 20:31:20,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:20,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871124771] [2019-12-07 20:31:20,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:31:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:31:20,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871124771] [2019-12-07 20:31:20,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:31:20,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:31:20,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522077975] [2019-12-07 20:31:20,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:31:20,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:31:20,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:31:20,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:20,077 INFO L87 Difference]: Start difference. First operand 1158 states and 3099 transitions. Second operand 3 states. [2019-12-07 20:31:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:31:20,102 INFO L93 Difference]: Finished difference Result 526 states and 1268 transitions. [2019-12-07 20:31:20,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:31:20,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-07 20:31:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:31:20,105 INFO L225 Difference]: With dead ends: 526 [2019-12-07 20:31:20,105 INFO L226 Difference]: Without dead ends: 511 [2019-12-07 20:31:20,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:31:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-12-07 20:31:20,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2019-12-07 20:31:20,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-12-07 20:31:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 1233 transitions. [2019-12-07 20:31:20,114 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 1233 transitions. Word has length 9 [2019-12-07 20:31:20,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:31:20,114 INFO L462 AbstractCegarLoop]: Abstraction has 511 states and 1233 transitions. [2019-12-07 20:31:20,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:31:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1233 transitions. [2019-12-07 20:31:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:31:20,115 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:31:20,115 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:31:20,115 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:31:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:31:20,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1222009817, now seen corresponding path program 1 times [2019-12-07 20:31:20,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:31:20,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205988104] [2019-12-07 20:31:20,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:31:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:31:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:31:20,170 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:31:20,170 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:31:20,173 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [982] [982] ULTIMATE.startENTRY-->L1771-1: Formula: (let ((.cse4 (store |v_#valid_200| 0 0))) (let ((.cse2 (store .cse4 |v_~#t1~0.base_18| 1))) (let ((.cse1 (select |v_#memory_int_64| |v_~#t1~0.base_18|)) (.cse0 (store .cse2 |v_~#t2~0.base_30| 1)) (.cse3 (select |v_#memory_int_64| |v_~#mutex~0.base_73|))) (and (= |v_#valid_198| (store .cse0 |v_~#mutex~0.base_73| 1)) (= |v_~#t1~0.offset_18| 0) (= (store |v_#memory_int_64| |v_~#t1~0.base_18| (store .cse1 |v_~#t1~0.offset_18| 1)) |v_#memory_int_63|) (= |v_#NULL.offset_8| 0) (= 0 |v_~#mutex~0.offset_73|) (= (select .cse1 |v_~#t1~0.offset_18|) 0) (= (select (select |v_#memory_int_64| |v_~#t2~0.base_30|) |v_~#t2~0.offset_30|) 0) (= 0 (select .cse2 |v_~#t2~0.base_30|)) (= 0 (select .cse0 |v_~#mutex~0.base_73|)) (= |v_#pthreadsMutex_119| (store |v_#pthreadsMutex_120| |v_~#mutex~0.base_73| (store (select |v_#pthreadsMutex_120| |v_~#mutex~0.base_73|) |v_~#mutex~0.offset_73| 0))) (= |v_#length_127| (store (store (store |v_#length_129| |v_~#t1~0.base_18| 4) |v_~#t2~0.base_30| 4) |v_~#mutex~0.base_73| 24)) (= 0 (select .cse3 |v_~#mutex~0.offset_73|)) (= (store |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.base_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.base_35|) (= (store |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.offset_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.offset_35|) (< 0 |v_#StackHeapBarrier_60|) (< |v_#StackHeapBarrier_60| |v_~#t1~0.base_18|) (= |v_~#t2~0.offset_30| 0) (< |v_#StackHeapBarrier_60| |v_~#mutex~0.base_73|) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (= 0 |v_#NULL.base_8|) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 12))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 16))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 4))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 8))) (= v_ULTIMATE.start_ldv_assert_~expression_83 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (< |v_#StackHeapBarrier_60| |v_~#t2~0.base_30|) (= 0 (select .cse4 |v_~#t1~0.base_18|)) (= 1 v_~pdev~0_308) (= 0 v_~ldv_usb_state~0_139))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_120|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_36|, #valid=|v_#valid_200|, #memory_int=|v_#memory_int_64|, #length=|v_#length_129|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_36|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_26|, #pthreadsMutex=|v_#pthreadsMutex_119|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_35|, ~#mutex~0.base=|v_~#mutex~0.base_73|, ~#mutex~0.offset=|v_~#mutex~0.offset_73|, #NULL.offset=|v_#NULL.offset_8|, ~#t1~0.offset=|v_~#t1~0.offset_18|, ULTIMATE.start_module_init_#t~nondet42=|v_ULTIMATE.start_module_init_#t~nondet42_19|, ULTIMATE.start_main_#t~ret45=|v_ULTIMATE.start_main_#t~ret45_50|, ULTIMATE.start_module_init_#t~nondet41=|v_ULTIMATE.start_module_init_#t~nondet41_42|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_65|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_83, ~ldv_usb_state~0=v_~ldv_usb_state~0_139, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, ~#t1~0.base=|v_~#t1~0.base_18|, ~pdev~0=v_~pdev~0_308, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_35|, #valid=|v_#valid_198|, ~#t2~0.offset=|v_~#t2~0.offset_30|, #memory_int=|v_#memory_int_63|, #length=|v_#length_127|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_35|, ~#t2~0.base=|v_~#t2~0.base_30|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_main_#t~ret45, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, ~ldv_usb_state~0, #NULL.base, ~#t1~0.base, ~pdev~0, ULTIMATE.start_main_#res, #valid, ~#t2~0.offset, #memory_int, #length, #memory_$Pointer$.offset, ~#t2~0.base] because there is no mapped edge [2019-12-07 20:31:20,173 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [814] [814] thread_usbENTRY-->L1734-2: Formula: (and (= |v_thread_usbThread1of1ForFork1_#in~arg.base_4| v_thread_usbThread1of1ForFork1_~arg.base_2) (= 0 v_~ldv_usb_state~0_34) (= v_thread_usbThread1of1ForFork1_~arg.offset_2 |v_thread_usbThread1of1ForFork1_#in~arg.offset_4|)) InVars {thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|} OutVars{thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_11, thread_usbThread1of1ForFork1_~arg.offset=v_thread_usbThread1of1ForFork1_~arg.offset_2, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|, ~ldv_usb_state~0=v_~ldv_usb_state~0_34, thread_usbThread1of1ForFork1_~arg.base=v_thread_usbThread1of1ForFork1_~arg.base_2} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_~arg.offset, ~ldv_usb_state~0, thread_usbThread1of1ForFork1_~arg.base] because there is no mapped edge [2019-12-07 20:31:20,173 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [961] [961] L1734-2-->L1707-1: Formula: (and (= (store |v_#memory_int_53| |v_~#t2~0.base_22| (store (select |v_#memory_int_53| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| 0)) |v_#memory_int_52|) (= (store |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.offset_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|))) |v_#memory_$Pointer$.offset_29|) (= 0 |v_thread_usbThread1of1ForFork1_#t~nondet38_55|) (= |v_#memory_$Pointer$.base_29| (store |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.base_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|)))) |v_thread_usbThread1of1ForFork1_#t~switch39_90| (= 0 v_~ldv_usb_state~0_112)) InVars {#memory_$Pointer$.base=|v_#memory_$Pointer$.base_30|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_53|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_55|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_30|, ~#t2~0.base=|v_~#t2~0.base_22|, ~ldv_usb_state~0=v_~ldv_usb_state~0_112} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_27|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_29|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_55|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_24, ~ldv_usb_state~0=v_~ldv_usb_state~0_112, thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_16|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_52|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_19|, thread_usbThread1of1ForFork1_#t~switch39=|v_thread_usbThread1of1ForFork1_#t~switch39_90|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_11|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33_27|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_29|, ~#t2~0.base=|v_~#t2~0.base_22|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_ath_ahb_probe_#res, #memory_$Pointer$.base, #memory_int, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_#t~switch39, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-07 20:31:20,173 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [929] [929] L1707-2-->L1738-4: Formula: (and (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| 0) (= 0 |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| v_thread_usbThread1of1ForFork1_~probe_ret~0_31) (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21)) InVars {} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_23|, thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_28|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_9|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_31, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0] because there is no mapped edge [2019-12-07 20:31:20,174 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [820] [820] L1738-4-->L1743: Formula: (and (= 0 v_thread_usbThread1of1ForFork1_~probe_ret~0_14) (= 7 v_~pdev~0_95) (= 1 v_~ldv_usb_state~0_36)) InVars {thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14} OutVars{thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_11|, ~pdev~0=v_~pdev~0_95, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14, ~ldv_usb_state~0=v_~ldv_usb_state~0_36} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~ret40, ~pdev~0, ~ldv_usb_state~0] because there is no mapped edge [2019-12-07 20:31:20,174 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [979] [979] L1693-2-->L1693-2: Formula: (let ((.cse0 (= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 1))) (or (and (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-831478479| |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479|) (= thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-831478479 thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-831478479) (<= 0 (+ |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 2147483648)) (= |#pthreadsMutex_In-831478479| |#pthreadsMutex_Out-831478479|) (= |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-831478479| |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-831478479|) (not (= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 2)) (<= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 2147483647) (not .cse0) (= ~pdev~0_In-831478479 ~pdev~0_Out-831478479)) (let ((.cse1 (select |#pthreadsMutex_In-831478479| |~#mutex~0.base_In-831478479|))) (and (= 6 ~pdev~0_Out-831478479) .cse0 (= |#pthreadsMutex_Out-831478479| (store |#pthreadsMutex_In-831478479| |~#mutex~0.base_In-831478479| (store .cse1 |~#mutex~0.offset_In-831478479| 0))) (= (select .cse1 |~#mutex~0.offset_In-831478479|) 0) (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479| thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-831478479) (= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479|))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-831478479|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-831478479|, ~#mutex~0.base=|~#mutex~0.base_In-831478479|, ~pdev~0=~pdev~0_In-831478479, ~#mutex~0.offset=|~#mutex~0.offset_In-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-831478479|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-831478479} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-831478479|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-831478479|, ~#mutex~0.base=|~#mutex~0.base_In-831478479|, ~pdev~0=~pdev~0_Out-831478479, ~#mutex~0.offset=|~#mutex~0.offset_In-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479|, thread_ath9kThread1of1ForFork0_#t~switch32=|thread_ath9kThread1of1ForFork0_#t~switch32_Out-831478479|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_Out-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-831478479} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30, ~pdev~0, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork0_#t~switch32, thread_ath9kThread1of1ForFork0_#t~nondet31, thread_ath9kThread1of1ForFork0_ldv_assert_~expression] because there is no mapped edge [2019-12-07 20:31:20,174 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [887] [887] L1743-->thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57) (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| (ite (= 7 v_~pdev~0_165) 1 0)) (= 0 v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57)) InVars {~pdev~0=v_~pdev~0_165} OutVars{thread_usbThread1of1ForFork1_ldv_assert_~expression=v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57, ~pdev~0=v_~pdev~0_165, thread_usbThread1of1ForFork1_ldv_assert_#in~expression=|v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ldv_assert_~expression, thread_usbThread1of1ForFork1_ldv_assert_#in~expression] because there is no mapped edge [2019-12-07 20:31:20,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:31:20 BasicIcfg [2019-12-07 20:31:20,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:31:20,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:31:20,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:31:20,186 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:31:20,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:31:10" (3/4) ... [2019-12-07 20:31:20,187 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 20:31:20,188 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [982] [982] ULTIMATE.startENTRY-->L1771-1: Formula: (let ((.cse4 (store |v_#valid_200| 0 0))) (let ((.cse2 (store .cse4 |v_~#t1~0.base_18| 1))) (let ((.cse1 (select |v_#memory_int_64| |v_~#t1~0.base_18|)) (.cse0 (store .cse2 |v_~#t2~0.base_30| 1)) (.cse3 (select |v_#memory_int_64| |v_~#mutex~0.base_73|))) (and (= |v_#valid_198| (store .cse0 |v_~#mutex~0.base_73| 1)) (= |v_~#t1~0.offset_18| 0) (= (store |v_#memory_int_64| |v_~#t1~0.base_18| (store .cse1 |v_~#t1~0.offset_18| 1)) |v_#memory_int_63|) (= |v_#NULL.offset_8| 0) (= 0 |v_~#mutex~0.offset_73|) (= (select .cse1 |v_~#t1~0.offset_18|) 0) (= (select (select |v_#memory_int_64| |v_~#t2~0.base_30|) |v_~#t2~0.offset_30|) 0) (= 0 (select .cse2 |v_~#t2~0.base_30|)) (= 0 (select .cse0 |v_~#mutex~0.base_73|)) (= |v_#pthreadsMutex_119| (store |v_#pthreadsMutex_120| |v_~#mutex~0.base_73| (store (select |v_#pthreadsMutex_120| |v_~#mutex~0.base_73|) |v_~#mutex~0.offset_73| 0))) (= |v_#length_127| (store (store (store |v_#length_129| |v_~#t1~0.base_18| 4) |v_~#t2~0.base_30| 4) |v_~#mutex~0.base_73| 24)) (= 0 (select .cse3 |v_~#mutex~0.offset_73|)) (= (store |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.base_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.base_35|) (= (store |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.offset_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.offset_35|) (< 0 |v_#StackHeapBarrier_60|) (< |v_#StackHeapBarrier_60| |v_~#t1~0.base_18|) (= |v_~#t2~0.offset_30| 0) (< |v_#StackHeapBarrier_60| |v_~#mutex~0.base_73|) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (= 0 |v_#NULL.base_8|) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 12))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 16))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 4))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 8))) (= v_ULTIMATE.start_ldv_assert_~expression_83 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (< |v_#StackHeapBarrier_60| |v_~#t2~0.base_30|) (= 0 (select .cse4 |v_~#t1~0.base_18|)) (= 1 v_~pdev~0_308) (= 0 v_~ldv_usb_state~0_139))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_120|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_36|, #valid=|v_#valid_200|, #memory_int=|v_#memory_int_64|, #length=|v_#length_129|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_36|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_26|, #pthreadsMutex=|v_#pthreadsMutex_119|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_35|, ~#mutex~0.base=|v_~#mutex~0.base_73|, ~#mutex~0.offset=|v_~#mutex~0.offset_73|, #NULL.offset=|v_#NULL.offset_8|, ~#t1~0.offset=|v_~#t1~0.offset_18|, ULTIMATE.start_module_init_#t~nondet42=|v_ULTIMATE.start_module_init_#t~nondet42_19|, ULTIMATE.start_main_#t~ret45=|v_ULTIMATE.start_main_#t~ret45_50|, ULTIMATE.start_module_init_#t~nondet41=|v_ULTIMATE.start_module_init_#t~nondet41_42|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_65|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_83, ~ldv_usb_state~0=v_~ldv_usb_state~0_139, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, ~#t1~0.base=|v_~#t1~0.base_18|, ~pdev~0=v_~pdev~0_308, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_35|, #valid=|v_#valid_198|, ~#t2~0.offset=|v_~#t2~0.offset_30|, #memory_int=|v_#memory_int_63|, #length=|v_#length_127|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_35|, ~#t2~0.base=|v_~#t2~0.base_30|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_main_#t~ret45, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, ~ldv_usb_state~0, #NULL.base, ~#t1~0.base, ~pdev~0, ULTIMATE.start_main_#res, #valid, ~#t2~0.offset, #memory_int, #length, #memory_$Pointer$.offset, ~#t2~0.base] because there is no mapped edge [2019-12-07 20:31:20,188 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [814] [814] thread_usbENTRY-->L1734-2: Formula: (and (= |v_thread_usbThread1of1ForFork1_#in~arg.base_4| v_thread_usbThread1of1ForFork1_~arg.base_2) (= 0 v_~ldv_usb_state~0_34) (= v_thread_usbThread1of1ForFork1_~arg.offset_2 |v_thread_usbThread1of1ForFork1_#in~arg.offset_4|)) InVars {thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|} OutVars{thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_11, thread_usbThread1of1ForFork1_~arg.offset=v_thread_usbThread1of1ForFork1_~arg.offset_2, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|, ~ldv_usb_state~0=v_~ldv_usb_state~0_34, thread_usbThread1of1ForFork1_~arg.base=v_thread_usbThread1of1ForFork1_~arg.base_2} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_~arg.offset, ~ldv_usb_state~0, thread_usbThread1of1ForFork1_~arg.base] because there is no mapped edge [2019-12-07 20:31:20,188 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [961] [961] L1734-2-->L1707-1: Formula: (and (= (store |v_#memory_int_53| |v_~#t2~0.base_22| (store (select |v_#memory_int_53| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| 0)) |v_#memory_int_52|) (= (store |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.offset_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|))) |v_#memory_$Pointer$.offset_29|) (= 0 |v_thread_usbThread1of1ForFork1_#t~nondet38_55|) (= |v_#memory_$Pointer$.base_29| (store |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.base_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|)))) |v_thread_usbThread1of1ForFork1_#t~switch39_90| (= 0 v_~ldv_usb_state~0_112)) InVars {#memory_$Pointer$.base=|v_#memory_$Pointer$.base_30|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_53|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_55|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_30|, ~#t2~0.base=|v_~#t2~0.base_22|, ~ldv_usb_state~0=v_~ldv_usb_state~0_112} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_27|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_29|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_55|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_24, ~ldv_usb_state~0=v_~ldv_usb_state~0_112, thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_16|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_52|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_19|, thread_usbThread1of1ForFork1_#t~switch39=|v_thread_usbThread1of1ForFork1_#t~switch39_90|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_11|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33_27|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_29|, ~#t2~0.base=|v_~#t2~0.base_22|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_ath_ahb_probe_#res, #memory_$Pointer$.base, #memory_int, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_#t~switch39, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-07 20:31:20,188 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [929] [929] L1707-2-->L1738-4: Formula: (and (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| 0) (= 0 |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| v_thread_usbThread1of1ForFork1_~probe_ret~0_31) (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21)) InVars {} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_23|, thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_28|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_9|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_31, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0] because there is no mapped edge [2019-12-07 20:31:20,188 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [820] [820] L1738-4-->L1743: Formula: (and (= 0 v_thread_usbThread1of1ForFork1_~probe_ret~0_14) (= 7 v_~pdev~0_95) (= 1 v_~ldv_usb_state~0_36)) InVars {thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14} OutVars{thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_11|, ~pdev~0=v_~pdev~0_95, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14, ~ldv_usb_state~0=v_~ldv_usb_state~0_36} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~ret40, ~pdev~0, ~ldv_usb_state~0] because there is no mapped edge [2019-12-07 20:31:20,189 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [979] [979] L1693-2-->L1693-2: Formula: (let ((.cse0 (= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 1))) (or (and (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-831478479| |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479|) (= thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-831478479 thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-831478479) (<= 0 (+ |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 2147483648)) (= |#pthreadsMutex_In-831478479| |#pthreadsMutex_Out-831478479|) (= |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-831478479| |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-831478479|) (not (= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 2)) (<= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479| 2147483647) (not .cse0) (= ~pdev~0_In-831478479 ~pdev~0_Out-831478479)) (let ((.cse1 (select |#pthreadsMutex_In-831478479| |~#mutex~0.base_In-831478479|))) (and (= 6 ~pdev~0_Out-831478479) .cse0 (= |#pthreadsMutex_Out-831478479| (store |#pthreadsMutex_In-831478479| |~#mutex~0.base_In-831478479| (store .cse1 |~#mutex~0.offset_In-831478479| 0))) (= (select .cse1 |~#mutex~0.offset_In-831478479|) 0) (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479| thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-831478479) (= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479|))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-831478479|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-831478479|, ~#mutex~0.base=|~#mutex~0.base_In-831478479|, ~pdev~0=~pdev~0_In-831478479, ~#mutex~0.offset=|~#mutex~0.offset_In-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-831478479|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_In-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-831478479} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-831478479|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-831478479|, ~#mutex~0.base=|~#mutex~0.base_In-831478479|, ~pdev~0=~pdev~0_Out-831478479, ~#mutex~0.offset=|~#mutex~0.offset_In-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-831478479|, thread_ath9kThread1of1ForFork0_#t~switch32=|thread_ath9kThread1of1ForFork0_#t~switch32_Out-831478479|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_Out-831478479|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-831478479} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30, ~pdev~0, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork0_#t~switch32, thread_ath9kThread1of1ForFork0_#t~nondet31, thread_ath9kThread1of1ForFork0_ldv_assert_~expression] because there is no mapped edge [2019-12-07 20:31:20,189 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [887] [887] L1743-->thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57) (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| (ite (= 7 v_~pdev~0_165) 1 0)) (= 0 v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57)) InVars {~pdev~0=v_~pdev~0_165} OutVars{thread_usbThread1of1ForFork1_ldv_assert_~expression=v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57, ~pdev~0=v_~pdev~0_165, thread_usbThread1of1ForFork1_ldv_assert_#in~expression=|v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ldv_assert_~expression, thread_usbThread1of1ForFork1_ldv_assert_#in~expression] because there is no mapped edge [2019-12-07 20:31:20,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_47c58456-f7ee-4143-aef5-87433c9492c0/bin/utaipan/witness.graphml [2019-12-07 20:31:20,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:31:20,215 INFO L168 Benchmark]: Toolchain (without parser) took 11187.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 932.6 MB in the beginning and 848.5 MB in the end (delta: 84.1 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,215 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:31:20,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 932.6 MB in the beginning and 957.6 MB in the end (delta: -24.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.51 ms. Allocated memory is still 1.1 GB. Free memory was 957.6 MB in the beginning and 952.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,216 INFO L168 Benchmark]: Boogie Preprocessor took 31.59 ms. Allocated memory is still 1.1 GB. Free memory was 952.2 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,217 INFO L168 Benchmark]: RCFGBuilder took 499.50 ms. Allocated memory is still 1.1 GB. Free memory was 946.8 MB in the beginning and 892.7 MB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,217 INFO L168 Benchmark]: TraceAbstraction took 9793.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 892.7 MB in the beginning and 851.0 MB in the end (delta: 41.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,217 INFO L168 Benchmark]: Witness Printer took 28.57 ms. Allocated memory is still 1.2 GB. Free memory was 851.0 MB in the beginning and 848.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:31:20,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 780.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 932.6 MB in the beginning and 957.6 MB in the end (delta: -24.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.51 ms. Allocated memory is still 1.1 GB. Free memory was 957.6 MB in the beginning and 952.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.59 ms. Allocated memory is still 1.1 GB. Free memory was 952.2 MB in the beginning and 946.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 499.50 ms. Allocated memory is still 1.1 GB. Free memory was 946.8 MB in the beginning and 892.7 MB in the end (delta: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9793.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 82.8 MB). Free memory was 892.7 MB in the beginning and 851.0 MB in the end (delta: 41.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. * Witness Printer took 28.57 ms. Allocated memory is still 1.2 GB. Free memory was 851.0 MB in the beginning and 848.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 8.5s, 251 ProgramPointsBefore, 57 ProgramPointsAfterwards, 285 TransitionsBefore, 69 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 8 FixpointIterations, 141 TrivialSequentialCompositions, 124 ConcurrentSequentialCompositions, 23 TrivialYvCompositions, 47 ConcurrentYvCompositions, 24 ChoiceCompositions, 6415 VarBasedMoverChecksPositive, 73 VarBasedMoverChecksNegative, 23 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 14048 CheckedPairsTotal, 335 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1771] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] [L1707] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Result: UNSAFE, OverallTime: 9.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 155 SDslu, 205 SDs, 0 SdLazy, 111 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1158occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1084 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...