./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3640f2b9774e2403e60c9b899c72c327d8b5573 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3640f2b9774e2403e60c9b899c72c327d8b5573 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:21:39,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:21:39,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:21:39,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:21:39,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:21:39,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:21:39,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:21:39,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:21:39,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:21:39,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:21:39,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:21:39,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:21:39,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:21:39,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:21:39,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:21:39,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:21:39,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:21:39,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:21:39,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:21:39,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:21:39,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:21:39,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:21:39,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:21:39,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:21:39,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:21:39,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:21:39,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:21:39,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:21:39,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:21:39,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:21:39,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:21:39,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:21:39,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:21:39,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:21:39,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:21:39,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:21:39,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:21:39,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:21:39,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:21:39,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:21:39,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:21:39,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 01:21:39,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:21:39,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:21:39,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:21:39,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:21:39,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:21:39,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:21:39,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:21:39,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:21:39,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:21:39,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:21:39,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:21:39,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:21:39,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:21:39,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:21:39,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:21:39,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:21:39,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:21:39,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:21:39,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:21:39,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:21:39,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:21:39,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:21:39,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:21:39,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:21:39,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:21:39,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:21:39,424 INFO L138 SettingsManager]: * To the following directory=dump/ 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_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3640f2b9774e2403e60c9b899c72c327d8b5573 [2019-11-20 01:21:39,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:21:39,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:21:39,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:21:39,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:21:39,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:21:39,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-20 01:21:39,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/3ac119150/60db761209ba40e1adf1b396a1c6e6ad/FLAG2a4df6d41 [2019-11-20 01:21:40,434 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:21:40,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-20 01:21:40,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/3ac119150/60db761209ba40e1adf1b396a1c6e6ad/FLAG2a4df6d41 [2019-11-20 01:21:40,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/3ac119150/60db761209ba40e1adf1b396a1c6e6ad [2019-11-20 01:21:40,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:21:40,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:21:40,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:21:40,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:21:40,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:21:40,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:21:40" (1/1) ... [2019-11-20 01:21:40,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd858f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:40, skipping insertion in model container [2019-11-20 01:21:40,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:21:40" (1/1) ... [2019-11-20 01:21:40,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:21:40,828 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:21:41,438 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-20 01:21:41,439 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-11-20 01:21:42,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:21:42,528 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:21:42,616 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-20 01:21:42,617 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-11-20 01:21:42,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:21:42,984 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:21:42,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42 WrapperNode [2019-11-20 01:21:42,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:21:42,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:21:42,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:21:42,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:21:42,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:21:43,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:21:43,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:21:43,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:21:43,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... [2019-11-20 01:21:43,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:21:43,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:21:43,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:21:43,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:21:43,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/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 [2019-11-20 01:21:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:21:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:21:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-11-20 01:21:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 01:21:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 01:21:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:21:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 01:21:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:21:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 01:21:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:21:43,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:21:43,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:21:48,396 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:21:48,397 INFO L285 CfgBuilder]: Removed 517 assume(true) statements. [2019-11-20 01:21:48,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:21:48 BoogieIcfgContainer [2019-11-20 01:21:48,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:21:48,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:21:48,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:21:48,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:21:48,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:21:40" (1/3) ... [2019-11-20 01:21:48,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1455ede7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:21:48, skipping insertion in model container [2019-11-20 01:21:48,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:42" (2/3) ... [2019-11-20 01:21:48,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1455ede7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:21:48, skipping insertion in model container [2019-11-20 01:21:48,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:21:48" (3/3) ... [2019-11-20 01:21:48,407 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-20 01:21:48,417 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:21:48,426 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 01:21:48,437 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 01:21:48,471 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:21:48,471 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:21:48,471 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:21:48,471 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:21:48,471 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:21:48,472 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:21:48,472 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:21:48,472 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:21:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states. [2019-11-20 01:21:48,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 01:21:48,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:21:48,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:21:48,527 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:21:48,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:21:48,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1935080779, now seen corresponding path program 1 times [2019-11-20 01:21:48,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:21:48,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818539128] [2019-11-20 01:21:48,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:21:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:21:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:21:49,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818539128] [2019-11-20 01:21:49,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:21:49,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:21:49,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857869879] [2019-11-20 01:21:49,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:21:49,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:21:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:21:49,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:21:49,256 INFO L87 Difference]: Start difference. First operand 551 states. Second operand 3 states. [2019-11-20 01:21:49,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:21:49,501 INFO L93 Difference]: Finished difference Result 1531 states and 2186 transitions. [2019-11-20 01:21:49,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:21:49,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-20 01:21:49,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:21:49,540 INFO L225 Difference]: With dead ends: 1531 [2019-11-20 01:21:49,540 INFO L226 Difference]: Without dead ends: 963 [2019-11-20 01:21:49,550 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 [2019-11-20 01:21:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-20 01:21:49,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 959. [2019-11-20 01:21:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-11-20 01:21:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1358 transitions. [2019-11-20 01:21:49,668 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1358 transitions. Word has length 29 [2019-11-20 01:21:49,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:21:49,669 INFO L462 AbstractCegarLoop]: Abstraction has 959 states and 1358 transitions. [2019-11-20 01:21:49,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:21:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1358 transitions. [2019-11-20 01:21:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:21:49,673 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:21:49,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:21:49,674 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:21:49,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:21:49,675 INFO L82 PathProgramCache]: Analyzing trace with hash 766727501, now seen corresponding path program 1 times [2019-11-20 01:21:49,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:21:49,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633189691] [2019-11-20 01:21:49,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:21:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:21:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:21:49,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633189691] [2019-11-20 01:21:49,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:21:49,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:21:49,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537506021] [2019-11-20 01:21:49,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:21:49,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:21:49,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:21:49,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:21:49,844 INFO L87 Difference]: Start difference. First operand 959 states and 1358 transitions. Second operand 3 states. [2019-11-20 01:21:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:21:50,128 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2019-11-20 01:21:50,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:21:50,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-11-20 01:21:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:21:50,136 INFO L225 Difference]: With dead ends: 2203 [2019-11-20 01:21:50,136 INFO L226 Difference]: Without dead ends: 1256 [2019-11-20 01:21:50,138 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 [2019-11-20 01:21:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-11-20 01:21:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1248. [2019-11-20 01:21:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-11-20 01:21:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1766 transitions. [2019-11-20 01:21:50,176 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1766 transitions. Word has length 40 [2019-11-20 01:21:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:21:50,177 INFO L462 AbstractCegarLoop]: Abstraction has 1248 states and 1766 transitions. [2019-11-20 01:21:50,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:21:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1766 transitions. [2019-11-20 01:21:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:21:50,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:21:50,180 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:21:50,181 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:21:50,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:21:50,191 INFO L82 PathProgramCache]: Analyzing trace with hash 539281720, now seen corresponding path program 1 times [2019-11-20 01:21:50,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:21:50,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552835965] [2019-11-20 01:21:50,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:21:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:21:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:21:50,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552835965] [2019-11-20 01:21:50,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:21:50,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:21:50,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576576643] [2019-11-20 01:21:50,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:21:50,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:21:50,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:21:50,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:21:50,438 INFO L87 Difference]: Start difference. First operand 1248 states and 1766 transitions. Second operand 3 states. [2019-11-20 01:21:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:21:50,518 INFO L93 Difference]: Finished difference Result 1248 states and 1766 transitions. [2019-11-20 01:21:50,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:21:50,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-20 01:21:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:21:50,530 INFO L225 Difference]: With dead ends: 1248 [2019-11-20 01:21:50,530 INFO L226 Difference]: Without dead ends: 1244 [2019-11-20 01:21:50,531 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 [2019-11-20 01:21:50,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2019-11-20 01:21:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2019-11-20 01:21:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-11-20 01:21:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1760 transitions. [2019-11-20 01:21:50,566 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1760 transitions. Word has length 47 [2019-11-20 01:21:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:21:50,567 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1760 transitions. [2019-11-20 01:21:50,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:21:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1760 transitions. [2019-11-20 01:21:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:21:50,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:21:50,572 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:21:50,572 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:21:50,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:21:50,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1818149696, now seen corresponding path program 1 times [2019-11-20 01:21:50,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:21:50,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771846425] [2019-11-20 01:21:50,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:21:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:21:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:21:52,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:21:52,001 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:21:52,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:21:52 BoogieIcfgContainer [2019-11-20 01:21:52,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:21:52,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:21:52,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:21:52,382 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:21:52,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:21:48" (3/4) ... [2019-11-20 01:21:52,397 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:21:52,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:21:52,407 INFO L168 Benchmark]: Toolchain (without parser) took 11711.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 939.3 MB in the beginning and 774.2 MB in the end (delta: 165.2 MB). Peak memory consumption was 481.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:21:52,408 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:21:52,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2289.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 991.4 MB in the end (delta: -52.0 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:21:52,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.38 ms. Allocated memory is still 1.2 GB. Free memory was 991.4 MB in the beginning and 977.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:21:52,411 INFO L168 Benchmark]: Boogie Preprocessor took 210.88 ms. Allocated memory is still 1.2 GB. Free memory was 977.3 MB in the beginning and 956.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:21:52,412 INFO L168 Benchmark]: RCFGBuilder took 4960.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.8 MB). Free memory was 956.1 MB in the beginning and 818.7 MB in the end (delta: 137.4 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:21:52,413 INFO L168 Benchmark]: TraceAbstraction took 3982.09 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 44.0 MB). Free memory was 818.7 MB in the beginning and 774.2 MB in the end (delta: 44.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:21:52,414 INFO L168 Benchmark]: Witness Printer took 22.85 ms. Allocated memory is still 1.3 GB. Free memory is still 774.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:21:52,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2289.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 991.4 MB in the end (delta: -52.0 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 240.38 ms. Allocated memory is still 1.2 GB. Free memory was 991.4 MB in the beginning and 977.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 210.88 ms. Allocated memory is still 1.2 GB. Free memory was 977.3 MB in the beginning and 956.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4960.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 125.8 MB). Free memory was 956.1 MB in the beginning and 818.7 MB in the end (delta: 137.4 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3982.09 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 44.0 MB). Free memory was 818.7 MB in the beginning and 774.2 MB in the end (delta: 44.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. * Witness Printer took 22.85 ms. Allocated memory is still 1.3 GB. Free memory is still 774.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3971]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5867, overapproximation of bitwiseAnd at line 6533. Possible FailurePath: [L3994] int ldv_irq_1_2 = 0; [L3995] int LDV_IN_INTERRUPT = 1; [L3996] int ldv_irq_1_3 = 0; [L3997] void *ldv_irq_data_1_1 ; [L3998] int ldv_irq_1_1 = 0; [L3999] int ldv_irq_1_0 = 0; [L4000] struct urb *max3421_hcd_desc_group0 ; [L4001] int ldv_irq_line_1_3 ; [L4002] void *ldv_irq_data_1_0 ; [L4003] int ldv_state_variable_0 ; [L4004] struct usb_hcd *max3421_hcd_desc_group1 ; [L4005] int ldv_state_variable_3 ; [L4006] int ldv_irq_line_1_0 ; [L4007] int ldv_state_variable_2 ; [L4008] void *ldv_irq_data_1_3 ; [L4009] struct spi_device *max3421_driver_group0 ; [L4010] int ref_cnt ; [L4011] int ldv_irq_line_1_1 ; [L4012] void *ldv_irq_data_1_2 ; [L4013] int ldv_state_variable_1 ; [L4014] int ldv_irq_line_1_2 ; [L4192] static struct max3421_hcd *max3421_hcd_list ; [L4193-L4197] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5866-L5872] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6011-L6013] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6029] int ldv_retval_0 ; [L6030] int ldv_retval_1 ; [L6033] int ldv_retval_2 ; [L6529] int ldv_spin = 0; VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6178] char *ldvarg7 ; [L6179] void *tmp ; [L6180] u16 ldvarg3 ; [L6181] u16 tmp___0 ; [L6182] u16 ldvarg0 ; [L6183] u16 tmp___1 ; [L6184] gfp_t ldvarg5 ; [L6185] gfp_t ldvarg6 ; [L6186] struct usb_host_endpoint *ldvarg8 ; [L6187] void *tmp___2 ; [L6188] u16 ldvarg1 ; [L6189] u16 tmp___3 ; [L6190] char *ldvarg4 ; [L6191] void *tmp___4 ; [L6192] int ldvarg9 ; [L6193] int tmp___5 ; [L6194] u16 ldvarg2 ; [L6195] u16 tmp___6 ; [L6196] int tmp___7 ; [L6197] int tmp___8 ; [L6198] int tmp___9 ; [L6199] int tmp___10 ; [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6201] tmp = ldv_zalloc(1UL) [L6202] ldvarg7 = (char *)tmp [L6203] tmp___0 = __VERIFIER_nondet_u16() [L6204] ldvarg3 = tmp___0 [L6205] tmp___1 = __VERIFIER_nondet_u16() [L6206] ldvarg0 = tmp___1 [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6207] tmp___2 = ldv_zalloc(72UL) [L6208] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6209] tmp___3 = __VERIFIER_nondet_u16() [L6210] ldvarg1 = tmp___3 [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6211] tmp___4 = ldv_zalloc(1UL) [L6212] ldvarg4 = (char *)tmp___4 [L6213] tmp___5 = __VERIFIER_nondet_int() [L6214] ldvarg9 = tmp___5 [L6215] tmp___6 = __VERIFIER_nondet_u16() [L6216] ldvarg2 = tmp___6 VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6218] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6219] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6220] ldv_state_variable_1 = 1 [L6221] ref_cnt = 0 [L6222] ldv_state_variable_0 = 1 [L6223] ldv_state_variable_3 = 0 [L6224] ldv_state_variable_2 = 0 VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6226] tmp___7 = __VERIFIER_nondet_int() [L6228] case 0: [L6234] case 1: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6235] COND TRUE ldv_state_variable_0 != 0 [L6236] tmp___8 = __VERIFIER_nondet_int() [L6238] case 0: [L6246] case 1: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6247] COND TRUE ldv_state_variable_0 == 1 [L6016] int tmp ; [L6678] return __VERIFIER_nondet_int(); [L6018] tmp = spi_register_driver(& max3421_driver) [L6019] return (tmp); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6248] ldv_retval_0 = max3421_driver_init() [L6249] COND TRUE ldv_retval_0 == 0 [L6250] ldv_state_variable_0 = 3 [L6251] ldv_state_variable_2 = 1 [L6143] void *tmp ; [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6145] tmp = ldv_zalloc(1496UL) [L6146] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6253] ldv_state_variable_3 = 1 [L6106] void *tmp ; [L6107] void *tmp___0 ; [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6109] tmp = ldv_zalloc(192UL) [L6110] max3421_hcd_desc_group0 = (struct urb *)tmp [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6111] tmp___0 = ldv_zalloc(968UL) [L6112] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6257] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6226] tmp___7 = __VERIFIER_nondet_int() [L6228] case 0: [L6234] case 1: [L6272] case 2: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6273] COND TRUE ldv_state_variable_3 != 0 [L6274] tmp___9 = __VERIFIER_nondet_int() [L6276] case 0: [L6287] case 1: [L6299] case 2: [L6311] case 3: [L6323] case 4: [L6335] case 5: [L6347] case 6: [L6359] case 7: [L6371] case 8: [L6379] case 9: [L6391] case 10: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6392] COND TRUE ldv_state_variable_3 == 1 [L5519] struct spi_device *spi ; [L5520] struct spi_device *tmp ; [L5521] struct max3421_hcd *max3421_hcd ; [L5522] struct max3421_hcd *tmp___0 ; [L5523] struct max3421_ep *max3421_ep ; [L5524] unsigned long flags ; [L5525] int retval ; [L5526] void *tmp___1 ; [L5528] EXPR hcd->self.controller [L4046] struct device const *__mptr ; [L4047] struct spi_device *tmp ; VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L4049] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4050] __mptr = (struct device const *)dev [L4051] tmp = (struct spi_device *)__mptr VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L4055] return (tmp); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L5528] tmp = to_spi_device(hcd->self.controller) [L5529] spi = tmp [L4207] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L5530] tmp___0 = hcd_to_max3421(hcd) [L5531] max3421_hcd = tmp___0 [L5532] urb->pipe [L5533] case 1U: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L5534] case 0U: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L5541] default: VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L6566] ldv_spin = 1 VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L5546] EXPR urb->ep [L5546] EXPR (urb->ep)->hcpriv [L5546] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5547] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6533] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] [L3971] __VERIFIER_error() VAL [__this_module={18446744073709551619:18446744073709551616}, hrsl_to_error={93:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={30:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={141:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={132:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 551 locations, 4 error locations. Result: UNSAFE, OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2400 SDtfs, 1329 SDslu, 1687 SDs, 0 SdLazy, 101 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 9287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 01:21:54,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:21:54,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:21:54,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:21:54,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:21:54,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:21:54,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:21:54,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:21:54,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:21:54,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:21:54,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:21:54,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:21:54,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:21:54,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:21:54,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:21:54,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:21:54,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:21:54,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:21:54,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:21:54,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:21:54,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:21:54,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:21:54,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:21:54,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:21:54,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:21:54,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:21:54,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:21:54,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:21:54,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:21:54,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:21:54,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:21:54,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:21:54,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:21:54,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:21:54,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:21:54,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:21:54,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:21:54,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:21:54,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:21:54,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:21:54,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:21:54,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-20 01:21:54,573 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:21:54,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:21:54,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:21:54,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:21:54,577 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:21:54,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:21:54,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:21:54,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:21:54,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:21:54,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:21:54,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 01:21:54,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 01:21:54,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:21:54,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:21:54,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:21:54,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:21:54,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:21:54,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:21:54,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:21:54,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:21:54,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:21:54,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:21:54,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:21:54,583 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 01:21:54,583 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 01:21:54,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:21:54,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:21:54,584 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-20 01:21:54,584 INFO L138 SettingsManager]: * To the following directory=dump/ 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_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3640f2b9774e2403e60c9b899c72c327d8b5573 [2019-11-20 01:21:54,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:21:54,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:21:54,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:21:54,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:21:54,856 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:21:54,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-20 01:21:54,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/1ee5ed511/6d2d71f906df4e9f8d68e0dba081e3f9/FLAG7e0add1c1 [2019-11-20 01:21:55,615 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:21:55,615 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-20 01:21:55,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/1ee5ed511/6d2d71f906df4e9f8d68e0dba081e3f9/FLAG7e0add1c1 [2019-11-20 01:21:55,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/data/1ee5ed511/6d2d71f906df4e9f8d68e0dba081e3f9 [2019-11-20 01:21:55,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:21:55,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:21:55,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:21:55,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:21:55,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:21:55,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:21:55" (1/1) ... [2019-11-20 01:21:55,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637e99b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:55, skipping insertion in model container [2019-11-20 01:21:55,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:21:55" (1/1) ... [2019-11-20 01:21:55,771 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:21:55,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:21:56,403 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-20 01:21:56,404 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-11-20 01:21:57,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:21:57,289 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:21:57,372 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-20 01:21:57,372 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3704-3705] [2019-11-20 01:21:57,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:21:57,703 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:21:57,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57 WrapperNode [2019-11-20 01:21:57,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:21:57,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:21:57,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:21:57,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:21:57,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:57,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:57,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:21:57,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:21:57,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:21:57,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:21:57,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:57,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:58,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:58,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:58,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:58,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:58,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... [2019-11-20 01:21:58,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:21:58,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:21:58,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:21:58,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:21:58,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/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 [2019-11-20 01:21:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-20 01:21:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-11-20 01:21:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 01:21:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-11-20 01:21:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-11-20 01:21:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 01:21:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 01:21:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:21:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 01:21:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-20 01:21:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-11-20 01:21:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:21:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 01:21:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 01:21:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-20 01:21:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-20 01:21:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:21:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:22:12,628 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:22:12,628 INFO L285 CfgBuilder]: Removed 517 assume(true) statements. [2019-11-20 01:22:12,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:22:12 BoogieIcfgContainer [2019-11-20 01:22:12,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:22:12,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:22:12,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:22:12,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:22:12,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:21:55" (1/3) ... [2019-11-20 01:22:12,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14796cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:22:12, skipping insertion in model container [2019-11-20 01:22:12,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:57" (2/3) ... [2019-11-20 01:22:12,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14796cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:22:12, skipping insertion in model container [2019-11-20 01:22:12,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:22:12" (3/3) ... [2019-11-20 01:22:12,640 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-20 01:22:12,650 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:22:12,661 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 01:22:12,672 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 01:22:12,708 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:22:12,708 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:22:12,708 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:22:12,709 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:22:12,709 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:22:12,709 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:22:12,709 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:22:12,709 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:22:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states. [2019-11-20 01:22:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 01:22:12,761 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:22:12,762 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:22:12,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:22:12,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:22:12,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1935080779, now seen corresponding path program 1 times [2019-11-20 01:22:12,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:22:12,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [510368053] [2019-11-20 01:22:12,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:22:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:22:13,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:22:13,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:22:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:22:13,592 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:22:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:22:13,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [510368053] [2019-11-20 01:22:13,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:22:13,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-20 01:22:13,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80026485] [2019-11-20 01:22:13,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:22:13,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:22:13,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:22:13,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:22:13,620 INFO L87 Difference]: Start difference. First operand 551 states. Second operand 3 states. [2019-11-20 01:22:14,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:22:14,146 INFO L93 Difference]: Finished difference Result 1531 states and 2186 transitions. [2019-11-20 01:22:14,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:22:14,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-20 01:22:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:22:14,175 INFO L225 Difference]: With dead ends: 1531 [2019-11-20 01:22:14,175 INFO L226 Difference]: Without dead ends: 963 [2019-11-20 01:22:14,181 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:22:14,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-20 01:22:14,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 959. [2019-11-20 01:22:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-11-20 01:22:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1358 transitions. [2019-11-20 01:22:14,284 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1358 transitions. Word has length 29 [2019-11-20 01:22:14,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:22:14,285 INFO L462 AbstractCegarLoop]: Abstraction has 959 states and 1358 transitions. [2019-11-20 01:22:14,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:22:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1358 transitions. [2019-11-20 01:22:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 01:22:14,288 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:22:14,289 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:22:14,494 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:22:14,495 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:22:14,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:22:14,495 INFO L82 PathProgramCache]: Analyzing trace with hash 766727501, now seen corresponding path program 1 times [2019-11-20 01:22:14,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:22:14,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1966250903] [2019-11-20 01:22:14,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:22:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:22:15,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:22:15,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:22:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:22:15,256 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:22:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:22:15,260 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1966250903] [2019-11-20 01:22:15,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:22:15,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-20 01:22:15,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719793158] [2019-11-20 01:22:15,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:22:15,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:22:15,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:22:15,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:22:15,264 INFO L87 Difference]: Start difference. First operand 959 states and 1358 transitions. Second operand 3 states. [2019-11-20 01:22:15,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:22:15,991 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2019-11-20 01:22:15,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:22:15,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-11-20 01:22:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:22:16,001 INFO L225 Difference]: With dead ends: 2203 [2019-11-20 01:22:16,001 INFO L226 Difference]: Without dead ends: 1256 [2019-11-20 01:22:16,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:22:16,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-11-20 01:22:16,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1248. [2019-11-20 01:22:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-11-20 01:22:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1766 transitions. [2019-11-20 01:22:16,058 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1766 transitions. Word has length 40 [2019-11-20 01:22:16,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:22:16,058 INFO L462 AbstractCegarLoop]: Abstraction has 1248 states and 1766 transitions. [2019-11-20 01:22:16,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:22:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1766 transitions. [2019-11-20 01:22:16,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:22:16,063 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:22:16,063 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:22:16,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:22:16,270 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:22:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:22:16,270 INFO L82 PathProgramCache]: Analyzing trace with hash 539281720, now seen corresponding path program 1 times [2019-11-20 01:22:16,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:22:16,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1319878571] [2019-11-20 01:22:16,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:22:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:22:17,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:22:17,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:22:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:22:17,191 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:22:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:22:17,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1319878571] [2019-11-20 01:22:17,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:22:17,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 01:22:17,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840101741] [2019-11-20 01:22:17,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:22:17,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:22:17,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:22:17,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:22:17,206 INFO L87 Difference]: Start difference. First operand 1248 states and 1766 transitions. Second operand 3 states. [2019-11-20 01:22:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:22:17,317 INFO L93 Difference]: Finished difference Result 1248 states and 1766 transitions. [2019-11-20 01:22:17,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:22:17,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-20 01:22:17,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:22:17,327 INFO L225 Difference]: With dead ends: 1248 [2019-11-20 01:22:17,328 INFO L226 Difference]: Without dead ends: 1244 [2019-11-20 01:22:17,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:22:17,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2019-11-20 01:22:17,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2019-11-20 01:22:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-11-20 01:22:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1760 transitions. [2019-11-20 01:22:17,386 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1760 transitions. Word has length 47 [2019-11-20 01:22:17,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:22:17,387 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1760 transitions. [2019-11-20 01:22:17,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:22:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1760 transitions. [2019-11-20 01:22:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:22:17,392 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:22:17,392 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:22:17,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:22:17,600 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:22:17,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:22:17,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1818149696, now seen corresponding path program 1 times [2019-11-20 01:22:17,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:22:17,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [949309823] [2019-11-20 01:22:17,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_955ca72b-f1db-457a-a66b-f8540c6b0604/bin/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:25:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:29:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:29:39,221 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-20 01:29:39,222 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:29:39,429 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:29:39,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:29:39 BoogieIcfgContainer [2019-11-20 01:29:39,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:29:39,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:29:39,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:29:39,707 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:29:39,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:22:12" (3/4) ... [2019-11-20 01:29:39,711 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:29:39,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:29:39,713 INFO L168 Benchmark]: Toolchain (without parser) took 463962.30 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.5 MB). Free memory was 944.3 MB in the beginning and 1.0 GB in the end (delta: -56.7 MB). Peak memory consumption was 321.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:29:39,713 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:29:39,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1950.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 944.3 MB in the beginning and 1.0 GB in the end (delta: -74.7 MB). Peak memory consumption was 117.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:29:39,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 276.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:29:39,722 INFO L168 Benchmark]: Boogie Preprocessor took 236.87 ms. Allocated memory is still 1.2 GB. Free memory was 999.3 MB in the beginning and 986.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:29:39,723 INFO L168 Benchmark]: RCFGBuilder took 14411.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 986.1 MB in the beginning and 1.3 GB in the end (delta: -273.0 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:29:39,725 INFO L168 Benchmark]: TraceAbstraction took 447076.20 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 5.2 MB). Free memory was 1.3 GB in the beginning and 1.0 GB in the end (delta: 258.0 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:29:39,725 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:29:39,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1950.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 944.3 MB in the beginning and 1.0 GB in the end (delta: -74.7 MB). Peak memory consumption was 117.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 276.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 236.87 ms. Allocated memory is still 1.2 GB. Free memory was 999.3 MB in the beginning and 986.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14411.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 986.1 MB in the beginning and 1.3 GB in the end (delta: -273.0 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 447076.20 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 5.2 MB). Free memory was 1.3 GB in the beginning and 1.0 GB in the end (delta: 258.0 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.10 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3971]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 5867. Possible FailurePath: [L3994] int ldv_irq_1_2 = 0; [L3995] int LDV_IN_INTERRUPT = 1; [L3996] int ldv_irq_1_3 = 0; [L3997] void *ldv_irq_data_1_1 ; [L3998] int ldv_irq_1_1 = 0; [L3999] int ldv_irq_1_0 = 0; [L4000] struct urb *max3421_hcd_desc_group0 ; [L4001] int ldv_irq_line_1_3 ; [L4002] void *ldv_irq_data_1_0 ; [L4003] int ldv_state_variable_0 ; [L4004] struct usb_hcd *max3421_hcd_desc_group1 ; [L4005] int ldv_state_variable_3 ; [L4006] int ldv_irq_line_1_0 ; [L4007] int ldv_state_variable_2 ; [L4008] void *ldv_irq_data_1_3 ; [L4009] struct spi_device *max3421_driver_group0 ; [L4010] int ref_cnt ; [L4011] int ldv_irq_line_1_1 ; [L4012] void *ldv_irq_data_1_2 ; [L4013] int ldv_state_variable_1 ; [L4014] int ldv_irq_line_1_2 ; [L4192] static struct max3421_hcd *max3421_hcd_list ; [L4193-L4197] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5866-L5872] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6011-L6013] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6029] int ldv_retval_0 ; [L6030] int ldv_retval_1 ; [L6033] int ldv_retval_2 ; [L6529] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6178] char *ldvarg7 ; [L6179] void *tmp ; [L6180] u16 ldvarg3 ; [L6181] u16 tmp___0 ; [L6182] u16 ldvarg0 ; [L6183] u16 tmp___1 ; [L6184] gfp_t ldvarg5 ; [L6185] gfp_t ldvarg6 ; [L6186] struct usb_host_endpoint *ldvarg8 ; [L6187] void *tmp___2 ; [L6188] u16 ldvarg1 ; [L6189] u16 tmp___3 ; [L6190] char *ldvarg4 ; [L6191] void *tmp___4 ; [L6192] int ldvarg9 ; [L6193] int tmp___5 ; [L6194] u16 ldvarg2 ; [L6195] u16 tmp___6 ; [L6196] int tmp___7 ; [L6197] int tmp___8 ; [L6198] int tmp___9 ; [L6199] int tmp___10 ; [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6201] tmp = ldv_zalloc(1UL) [L6202] ldvarg7 = (char *)tmp [L6203] tmp___0 = __VERIFIER_nondet_u16() [L6204] ldvarg3 = tmp___0 [L6205] tmp___1 = __VERIFIER_nondet_u16() [L6206] ldvarg0 = tmp___1 [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6207] tmp___2 = ldv_zalloc(72UL) [L6208] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6209] tmp___3 = __VERIFIER_nondet_u16() [L6210] ldvarg1 = tmp___3 [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6211] tmp___4 = ldv_zalloc(1UL) [L6212] ldvarg4 = (char *)tmp___4 [L6213] tmp___5 = __VERIFIER_nondet_int() [L6214] ldvarg9 = tmp___5 [L6215] tmp___6 = __VERIFIER_nondet_u16() [L6216] ldvarg2 = tmp___6 VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6218] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6219] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6220] ldv_state_variable_1 = 1 [L6221] ref_cnt = 0 [L6222] ldv_state_variable_0 = 1 [L6223] ldv_state_variable_3 = 0 [L6224] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6226] tmp___7 = __VERIFIER_nondet_int() [L6228] case 0: [L6234] case 1: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6235] COND TRUE ldv_state_variable_0 != 0 [L6236] tmp___8 = __VERIFIER_nondet_int() [L6238] case 0: [L6246] case 1: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6247] COND TRUE ldv_state_variable_0 == 1 [L6016] int tmp ; [L6678] return __VERIFIER_nondet_int(); [L6018] tmp = spi_register_driver(& max3421_driver) [L6019] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6248] ldv_retval_0 = max3421_driver_init() [L6249] COND TRUE ldv_retval_0 == 0 [L6250] ldv_state_variable_0 = 3 [L6251] ldv_state_variable_2 = 1 [L6143] void *tmp ; [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6145] tmp = ldv_zalloc(1496UL) [L6146] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6253] ldv_state_variable_3 = 1 [L6106] void *tmp ; [L6107] void *tmp___0 ; [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6109] tmp = ldv_zalloc(192UL) [L6110] max3421_hcd_desc_group0 = (struct urb *)tmp [L3936] void *p ; [L3937] void *tmp ; [L3938] int tmp___0 ; [L3940] tmp___0 = __VERIFIER_nondet_int() [L3941] COND TRUE tmp___0 != 0 [L3942] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6111] tmp___0 = ldv_zalloc(968UL) [L6112] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6257] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6226] tmp___7 = __VERIFIER_nondet_int() [L6228] case 0: [L6234] case 1: [L6272] case 2: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6273] COND TRUE ldv_state_variable_3 != 0 [L6274] tmp___9 = __VERIFIER_nondet_int() [L6276] case 0: [L6287] case 1: [L6299] case 2: [L6311] case 3: [L6323] case 4: [L6335] case 5: [L6347] case 6: [L6359] case 7: [L6371] case 8: [L6379] case 9: [L6391] case 10: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6392] COND TRUE ldv_state_variable_3 == 1 [L5519] struct spi_device *spi ; [L5520] struct spi_device *tmp ; [L5521] struct max3421_hcd *max3421_hcd ; [L5522] struct max3421_hcd *tmp___0 ; [L5523] struct max3421_ep *max3421_ep ; [L5524] unsigned long flags ; [L5525] int retval ; [L5526] void *tmp___1 ; [L5528] EXPR hcd->self.controller [L4046] struct device const *__mptr ; [L4047] struct spi_device *tmp ; VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L4049] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4050] __mptr = (struct device const *)dev [L4051] tmp = (struct spi_device *)__mptr VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L4055] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L5528] tmp = to_spi_device(hcd->self.controller) [L5529] spi = tmp [L4207] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L5530] tmp___0 = hcd_to_max3421(hcd) [L5531] max3421_hcd = tmp___0 [L5532] urb->pipe [L5533] case 1U: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L5534] case 0U: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L5541] default: VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L6566] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L5546] EXPR urb->ep [L5546] EXPR (urb->ep)->hcpriv [L5546] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5547] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6533] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] [L3971] __VERIFIER_error() VAL [__this_module={0:0}, hrsl_to_error={2063865887:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={1367479491:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={1833897099:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={2063865883:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 551 locations, 4 error locations. Result: UNSAFE, OverallTime: 446.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2400 SDtfs, 1329 SDslu, 1687 SDs, 0 SdLazy, 101 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 211.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 18574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2026 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...