./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-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_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/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 49e2d85226f9a0e01de34099e0818d1a97184f58 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:49:16,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:16,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:16,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:16,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:16,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:16,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:16,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:16,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:16,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:16,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:16,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:16,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:16,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:16,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:16,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:16,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:16,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:16,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:16,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:16,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:16,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:16,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:16,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:16,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:16,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:16,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:16,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:16,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:16,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:16,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:16,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:16,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:16,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:16,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:16,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:16,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:16,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:16,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:16,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:16,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:16,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:49:16,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:16,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:16,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:49:16,687 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:49:16,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:49:16,687 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:49:16,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:49:16,687 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:49:16,688 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:49:16,688 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:49:16,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:49:16,688 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:49:16,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:49:16,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:49:16,688 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:49:16,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:16,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:16,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:49:16,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:16,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:16,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:16,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:49:16,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:16,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:16,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:16,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:16,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:16,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:16,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:49:16,691 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:49:16,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:49:16,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:49:16,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:16,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:49:16,692 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_0cdb7947-e9ed-4416-b902-53a759b463af/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 -> 49e2d85226f9a0e01de34099e0818d1a97184f58 [2019-12-07 11:49:16,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:16,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:16,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:16,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:16,807 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:16,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2019-12-07 11:49:16,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/data/3c9cb79dd/addc26c0f39146ccb2584bf304c224ac/FLAG8ba2d5bef [2019-12-07 11:49:17,367 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:17,368 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2019-12-07 11:49:17,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/data/3c9cb79dd/addc26c0f39146ccb2584bf304c224ac/FLAG8ba2d5bef [2019-12-07 11:49:17,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/data/3c9cb79dd/addc26c0f39146ccb2584bf304c224ac [2019-12-07 11:49:17,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:17,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:17,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:17,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:17,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:17,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:17" (1/1) ... [2019-12-07 11:49:17,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f04252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:17, skipping insertion in model container [2019-12-07 11:49:17,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:17" (1/1) ... [2019-12-07 11:49:17,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:17,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:18,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:18,420 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:49:18,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:18,684 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:49:18,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18 WrapperNode [2019-12-07 11:49:18,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:18,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:18,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:49:18,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:49:18,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:18,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:49:18,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:49:18,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:49:18,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... [2019-12-07 11:49:18,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:49:18,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:49:18,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:49:18,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:49:18,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/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 11:49:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2019-12-07 11:49:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2019-12-07 11:49:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:49:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:49:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:49:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:49:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:49:18,810 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 11:49:19,290 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:49:19,290 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-12-07 11:49:19,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:19 BoogieIcfgContainer [2019-12-07 11:49:19,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:19,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:19,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:19,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:19,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:49:17" (1/3) ... [2019-12-07 11:49:19,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9e9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:19, skipping insertion in model container [2019-12-07 11:49:19,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:18" (2/3) ... [2019-12-07 11:49:19,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9e9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:19, skipping insertion in model container [2019-12-07 11:49:19,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:19" (3/3) ... [2019-12-07 11:49:19,298 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2019-12-07 11:49:19,306 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 11:49:19,307 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:19,312 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-12-07 11:49:19,312 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 11:49:19,338 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,338 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,338 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,339 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,339 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,339 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,339 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,339 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,340 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,341 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,341 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,341 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,341 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,342 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,342 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,342 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,342 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,343 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,343 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,343 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,343 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,345 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,345 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,345 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,346 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,346 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,346 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,346 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,347 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,347 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,347 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,347 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,348 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,348 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,348 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,348 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,348 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,348 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,349 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,349 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,349 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,349 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,349 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,349 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,350 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,350 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,350 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,350 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,350 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,351 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,352 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,352 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,352 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,352 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,352 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,353 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,353 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,353 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,353 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,354 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,354 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,354 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,354 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,354 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,354 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,355 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,355 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,355 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,355 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,356 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,356 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,356 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,356 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,356 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,357 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,357 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,357 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,357 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,357 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,358 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,358 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,358 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,358 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,358 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,359 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,359 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,359 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,359 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,359 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,359 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,360 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,360 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,360 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,360 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,360 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,360 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,361 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,361 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,361 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,361 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 11:49:19,393 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-12-07 11:49:19,405 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:19,405 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:49:19,405 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:19,406 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:19,406 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:19,406 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:19,406 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:19,406 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:19,419 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions [2019-12-07 11:49:19,420 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions [2019-12-07 11:49:19,511 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [584] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][14] and Marking [18#thread_ath9kENTRYtrue, 3#L1707-2true, 234#(not thread_ath9kThread1of1ForFork0_inUse), 154#L1779-1true, 237#thread_ath9kThread1of1ForFork0_inUse, 239#thread_usbThread1of1ForFork1_inUse] [2019-12-07 11:49:19,511 INFO L378 tUnfolder$Statistics]: new Event has 152 ancestors and is cut-off event [2019-12-07 11:49:19,511 INFO L381 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2019-12-07 11:49:19,513 INFO L134 PetriNetUnfolder]: 65/479 cut-off events. [2019-12-07 11:49:19,513 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 11:49:19,523 INFO L76 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1592 event pairs. 57/449 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2019-12-07 11:49:19,543 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions [2019-12-07 11:49:19,606 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [584] 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][14] and Marking [18#thread_ath9kENTRYtrue, 3#L1707-2true, 234#(not thread_ath9kThread1of1ForFork0_inUse), 154#L1779-1true, 237#thread_ath9kThread1of1ForFork0_inUse, 239#thread_usbThread1of1ForFork1_inUse] [2019-12-07 11:49:19,606 INFO L378 tUnfolder$Statistics]: new Event has 152 ancestors and is cut-off event [2019-12-07 11:49:19,606 INFO L381 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2019-12-07 11:49:19,608 INFO L134 PetriNetUnfolder]: 65/479 cut-off events. [2019-12-07 11:49:19,608 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 11:49:19,613 INFO L76 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1592 event pairs. 57/449 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2019-12-07 11:49:19,628 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2019-12-07 11:49:19,629 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 11:49:26,462 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-12-07 11:49:27,118 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-12-07 11:49:27,246 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-07 11:49:27,442 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-12-07 11:49:27,554 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-07 11:49:27,570 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12563 [2019-12-07 11:49:27,570 INFO L214 etLargeBlockEncoding]: Total number of compositions: 316 [2019-12-07 11:49:27,573 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 68 transitions [2019-12-07 11:49:27,613 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 828 states. [2019-12-07 11:49:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states. [2019-12-07 11:49:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-07 11:49:27,618 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:27,618 INFO L410 BasicCegarLoop]: trace histogram [1] [2019-12-07 11:49:27,619 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:27,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:27,622 INFO L82 PathProgramCache]: Analyzing trace with hash 960, now seen corresponding path program 1 times [2019-12-07 11:49:27,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:27,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867262994] [2019-12-07 11:49:27,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:27,758 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 11:49:27,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867262994] [2019-12-07 11:49:27,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:27,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-07 11:49:27,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514482823] [2019-12-07 11:49:27,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:49:27,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:27,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:49:27,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:49:27,773 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 2 states. [2019-12-07 11:49:27,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:27,800 INFO L93 Difference]: Finished difference Result 826 states and 2354 transitions. [2019-12-07 11:49:27,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:49:27,801 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-07 11:49:27,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:27,817 INFO L225 Difference]: With dead ends: 826 [2019-12-07 11:49:27,817 INFO L226 Difference]: Without dead ends: 797 [2019-12-07 11:49:27,818 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 11:49:27,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-12-07 11:49:27,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2019-12-07 11:49:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-12-07 11:49:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 2296 transitions. [2019-12-07 11:49:27,880 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 2296 transitions. Word has length 1 [2019-12-07 11:49:27,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:27,880 INFO L462 AbstractCegarLoop]: Abstraction has 797 states and 2296 transitions. [2019-12-07 11:49:27,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:49:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2296 transitions. [2019-12-07 11:49:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 11:49:27,881 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:27,881 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:49:27,881 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:27,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2075173250, now seen corresponding path program 1 times [2019-12-07 11:49:27,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:27,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305947837] [2019-12-07 11:49:27,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:27,971 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 11:49:27,972 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305947837] [2019-12-07 11:49:27,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:27,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:27,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442022156] [2019-12-07 11:49:27,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:27,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:27,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:27,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:27,974 INFO L87 Difference]: Start difference. First operand 797 states and 2296 transitions. Second operand 4 states. [2019-12-07 11:49:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:28,077 INFO L93 Difference]: Finished difference Result 1619 states and 4736 transitions. [2019-12-07 11:49:28,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:49:28,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 11:49:28,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:28,087 INFO L225 Difference]: With dead ends: 1619 [2019-12-07 11:49:28,087 INFO L226 Difference]: Without dead ends: 1595 [2019-12-07 11:49:28,088 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 11:49:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2019-12-07 11:49:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 887. [2019-12-07 11:49:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2019-12-07 11:49:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 2538 transitions. [2019-12-07 11:49:28,115 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 2538 transitions. Word has length 6 [2019-12-07 11:49:28,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:28,116 INFO L462 AbstractCegarLoop]: Abstraction has 887 states and 2538 transitions. [2019-12-07 11:49:28,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 2538 transitions. [2019-12-07 11:49:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 11:49:28,116 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:28,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:28,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:28,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1423076220, now seen corresponding path program 1 times [2019-12-07 11:49:28,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:28,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459108154] [2019-12-07 11:49:28,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:28,160 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 11:49:28,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459108154] [2019-12-07 11:49:28,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:28,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:28,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524396092] [2019-12-07 11:49:28,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:28,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:28,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:28,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:28,162 INFO L87 Difference]: Start difference. First operand 887 states and 2538 transitions. Second operand 3 states. [2019-12-07 11:49:28,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:28,204 INFO L93 Difference]: Finished difference Result 906 states and 2483 transitions. [2019-12-07 11:49:28,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:28,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 11:49:28,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:28,211 INFO L225 Difference]: With dead ends: 906 [2019-12-07 11:49:28,211 INFO L226 Difference]: Without dead ends: 865 [2019-12-07 11:49:28,212 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 11:49:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-12-07 11:49:28,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 865. [2019-12-07 11:49:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2019-12-07 11:49:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 2357 transitions. [2019-12-07 11:49:28,239 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 2357 transitions. Word has length 8 [2019-12-07 11:49:28,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:28,239 INFO L462 AbstractCegarLoop]: Abstraction has 865 states and 2357 transitions. [2019-12-07 11:49:28,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 2357 transitions. [2019-12-07 11:49:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:49:28,240 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:28,240 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:28,240 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:28,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:28,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1176550797, now seen corresponding path program 1 times [2019-12-07 11:49:28,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:28,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306690077] [2019-12-07 11:49:28,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:28,277 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 11:49:28,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306690077] [2019-12-07 11:49:28,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:28,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:28,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299379103] [2019-12-07 11:49:28,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:28,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:28,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:28,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:28,278 INFO L87 Difference]: Start difference. First operand 865 states and 2357 transitions. Second operand 3 states. [2019-12-07 11:49:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:28,304 INFO L93 Difference]: Finished difference Result 412 states and 1010 transitions. [2019-12-07 11:49:28,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:28,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-07 11:49:28,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:28,307 INFO L225 Difference]: With dead ends: 412 [2019-12-07 11:49:28,307 INFO L226 Difference]: Without dead ends: 393 [2019-12-07 11:49:28,307 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 11:49:28,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-12-07 11:49:28,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2019-12-07 11:49:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2019-12-07 11:49:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 954 transitions. [2019-12-07 11:49:28,319 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 954 transitions. Word has length 9 [2019-12-07 11:49:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:28,320 INFO L462 AbstractCegarLoop]: Abstraction has 393 states and 954 transitions. [2019-12-07 11:49:28,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 954 transitions. [2019-12-07 11:49:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 11:49:28,321 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:28,321 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:28,322 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash 2101231688, now seen corresponding path program 1 times [2019-12-07 11:49:28,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:28,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614013417] [2019-12-07 11:49:28,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:28,360 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 11:49:28,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614013417] [2019-12-07 11:49:28,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:28,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:28,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057451773] [2019-12-07 11:49:28,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:28,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:28,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:28,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:28,361 INFO L87 Difference]: Start difference. First operand 393 states and 954 transitions. Second operand 3 states. [2019-12-07 11:49:28,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:28,375 INFO L93 Difference]: Finished difference Result 214 states and 518 transitions. [2019-12-07 11:49:28,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:28,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 11:49:28,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:28,377 INFO L225 Difference]: With dead ends: 214 [2019-12-07 11:49:28,377 INFO L226 Difference]: Without dead ends: 202 [2019-12-07 11:49:28,377 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 11:49:28,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-12-07 11:49:28,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2019-12-07 11:49:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-12-07 11:49:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 444 transitions. [2019-12-07 11:49:28,381 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 444 transitions. Word has length 10 [2019-12-07 11:49:28,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:28,381 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 444 transitions. [2019-12-07 11:49:28,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 444 transitions. [2019-12-07 11:49:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 11:49:28,382 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:28,382 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:28,382 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:28,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:28,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1141032469, now seen corresponding path program 1 times [2019-12-07 11:49:28,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:28,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154918661] [2019-12-07 11:49:28,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:28,417 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 11:49:28,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154918661] [2019-12-07 11:49:28,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:28,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:28,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550246470] [2019-12-07 11:49:28,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:28,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:28,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:28,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:28,418 INFO L87 Difference]: Start difference. First operand 180 states and 444 transitions. Second operand 3 states. [2019-12-07 11:49:28,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:28,437 INFO L93 Difference]: Finished difference Result 174 states and 433 transitions. [2019-12-07 11:49:28,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:28,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 11:49:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:28,438 INFO L225 Difference]: With dead ends: 174 [2019-12-07 11:49:28,438 INFO L226 Difference]: Without dead ends: 140 [2019-12-07 11:49:28,438 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 11:49:28,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-07 11:49:28,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-12-07 11:49:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 11:49:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 363 transitions. [2019-12-07 11:49:28,441 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 363 transitions. Word has length 13 [2019-12-07 11:49:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:28,442 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 363 transitions. [2019-12-07 11:49:28,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 363 transitions. [2019-12-07 11:49:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 11:49:28,442 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:28,442 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:28,442 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash 421659588, now seen corresponding path program 1 times [2019-12-07 11:49:28,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:49:28,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658099810] [2019-12-07 11:49:28,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 11:49:28,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658099810] [2019-12-07 11:49:28,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:28,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:28,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275742004] [2019-12-07 11:49:28,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:28,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:49:28,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:28,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:28,478 INFO L87 Difference]: Start difference. First operand 140 states and 363 transitions. Second operand 3 states. [2019-12-07 11:49:28,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:28,491 INFO L93 Difference]: Finished difference Result 254 states and 686 transitions. [2019-12-07 11:49:28,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:28,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-07 11:49:28,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:28,492 INFO L225 Difference]: With dead ends: 254 [2019-12-07 11:49:28,492 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:49:28,492 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 11:49:28,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:49:28,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:49:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:49:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:49:28,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-12-07 11:49:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:28,493 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:49:28,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:49:28,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:49:28,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:49:28 BasicIcfg [2019-12-07 11:49:28,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:49:28,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:49:28,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:49:28,496 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:49:28,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:19" (3/4) ... [2019-12-07 11:49:28,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:49:28,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2019-12-07 11:49:28,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2019-12-07 11:49:28,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 11:49:28,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 11:49:28,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:49:28,541 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0cdb7947-e9ed-4416-b902-53a759b463af/bin/utaipan/witness.graphml [2019-12-07 11:49:28,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:49:28,542 INFO L168 Benchmark]: Toolchain (without parser) took 10659.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 939.3 MB in the beginning and 973.1 MB in the end (delta: -33.8 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:28,542 INFO L168 Benchmark]: CDTParser took 0.13 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 11:49:28,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 939.3 MB in the beginning and 950.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:28,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 1.1 GB. Free memory was 950.2 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:28,543 INFO L168 Benchmark]: Boogie Preprocessor took 32.22 ms. Allocated memory is still 1.1 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:28,543 INFO L168 Benchmark]: RCFGBuilder took 525.29 ms. Allocated memory is still 1.1 GB. Free memory was 944.8 MB in the beginning and 890.0 MB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:28,544 INFO L168 Benchmark]: TraceAbstraction took 9203.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.8 MB). Free memory was 890.0 MB in the beginning and 983.2 MB in the end (delta: -93.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:28,544 INFO L168 Benchmark]: Witness Printer took 44.98 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 973.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:28,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 801.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 939.3 MB in the beginning and 950.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.05 ms. Allocated memory is still 1.1 GB. Free memory was 950.2 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.22 ms. Allocated memory is still 1.1 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 525.29 ms. Allocated memory is still 1.1 GB. Free memory was 944.8 MB in the beginning and 890.0 MB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9203.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.8 MB). Free memory was 890.0 MB in the beginning and 983.2 MB in the end (delta: -93.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 44.98 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 973.1 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: 8.1s, 237 ProgramPointsBefore, 54 ProgramPointsAfterwards, 269 TransitionsBefore, 68 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 138 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 34 ConcurrentYvCompositions, 20 ChoiceCompositions, 5671 VarBasedMoverChecksPositive, 94 VarBasedMoverChecksNegative, 67 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 12563 CheckedPairsTotal, 316 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 385 SDtfs, 161 SDslu, 225 SDs, 0 SdLazy, 88 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=887occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 730 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...