./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 19e5a213554beb237dbccb315b6d7d71ba9b89be ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 19e5a213554beb237dbccb315b6d7d71ba9b89be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:09:22,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:09:22,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:09:22,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:09:22,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:09:22,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:09:22,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:09:22,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:09:22,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:09:22,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:09:22,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:09:22,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:09:22,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:09:22,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:09:22,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:09:22,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:09:22,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:09:22,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:09:22,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:09:22,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:09:22,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:09:22,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:09:22,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:09:22,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:09:22,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:09:22,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:09:22,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:09:22,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:09:22,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:09:22,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:09:22,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:09:22,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:09:22,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:09:22,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:09:22,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:09:22,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:09:22,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:09:22,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:09:22,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:09:22,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:09:22,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:09:22,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-15 21:09:22,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:09:22,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:09:22,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:09:22,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:09:22,755 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:09:22,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:09:22,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:09:22,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:09:22,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:09:22,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:09:22,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:09:22,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:09:22,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:09:22,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:09:22,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:09:22,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:09:22,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:09:22,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:09:22,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:09:22,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:09:22,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:09:22,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:09:22,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:09:22,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:09:22,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:09:22,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:09:22,762 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_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 -> 19e5a213554beb237dbccb315b6d7d71ba9b89be [2019-11-15 21:09:22,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:09:22,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:09:22,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:09:22,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:09:22,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:09:22,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-15 21:09:22,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/32ce93297/66a5a3c3a5234f5baed84ff766aaffc2/FLAG4ab0ed4bd [2019-11-15 21:09:23,716 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:09:23,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2019-11-15 21:09:23,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/32ce93297/66a5a3c3a5234f5baed84ff766aaffc2/FLAG4ab0ed4bd [2019-11-15 21:09:24,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/32ce93297/66a5a3c3a5234f5baed84ff766aaffc2 [2019-11-15 21:09:24,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:09:24,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:09:24,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:09:24,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:09:24,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:09:24,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:09:24" (1/1) ... [2019-11-15 21:09:24,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2896984b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:24, skipping insertion in model container [2019-11-15 21:09:24,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:09:24" (1/1) ... [2019-11-15 21:09:24,178 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:09:24,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:09:24,840 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-15 21:09:24,841 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] [2019-11-15 21:09:25,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:09:26,030 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:09:26,127 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-15 21:09:26,128 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] [2019-11-15 21:09:26,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:09:26,435 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:09:26,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26 WrapperNode [2019-11-15 21:09:26,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:09:26,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:09:26,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:09:26,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:09:26,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:09:26,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:09:26,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:09:26,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:09:26,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... [2019-11-15 21:09:26,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:09:26,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:09:26,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:09:26,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:09:26,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-11-15 21:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:09:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:09:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:09:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:09:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 21:09:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:09:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:09:31,729 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:09:31,730 INFO L284 CfgBuilder]: Removed 517 assume(true) statements. [2019-11-15 21:09:31,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:09:31 BoogieIcfgContainer [2019-11-15 21:09:31,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:09:31,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:09:31,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:09:31,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:09:31,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:09:24" (1/3) ... [2019-11-15 21:09:31,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70594f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:09:31, skipping insertion in model container [2019-11-15 21:09:31,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:26" (2/3) ... [2019-11-15 21:09:31,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70594f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:09:31, skipping insertion in model container [2019-11-15 21:09:31,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:09:31" (3/3) ... [2019-11-15 21:09:31,743 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 [2019-11-15 21:09:31,754 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:09:31,765 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-15 21:09:31,777 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-15 21:09:31,809 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:09:31,810 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:09:31,810 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:09:31,810 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:09:31,810 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:09:31,810 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:09:31,811 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:09:31,811 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:09:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states. [2019-11-15 21:09:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:09:31,973 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:09:31,974 INFO L380 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] [2019-11-15 21:09:31,977 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:09:31,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:09:31,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1935080779, now seen corresponding path program 1 times [2019-11-15 21:09:31,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:09:31,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134533481] [2019-11-15 21:09:31,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:31,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:31,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:09:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:09:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:09:32,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134533481] [2019-11-15 21:09:32,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:09:32,570 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:09:32,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471488458] [2019-11-15 21:09:32,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:09:32,575 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:09:32,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:09:32,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:09:32,591 INFO L87 Difference]: Start difference. First operand 551 states. Second operand 3 states. [2019-11-15 21:09:32,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:09:32,819 INFO L93 Difference]: Finished difference Result 1531 states and 2186 transitions. [2019-11-15 21:09:32,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:09:32,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-15 21:09:32,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:09:32,856 INFO L225 Difference]: With dead ends: 1531 [2019-11-15 21:09:32,856 INFO L226 Difference]: Without dead ends: 963 [2019-11-15 21:09:32,865 INFO L600 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 [2019-11-15 21:09:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-15 21:09:32,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 959. [2019-11-15 21:09:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-11-15 21:09:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1358 transitions. [2019-11-15 21:09:32,977 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1358 transitions. Word has length 29 [2019-11-15 21:09:32,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:09:32,977 INFO L462 AbstractCegarLoop]: Abstraction has 959 states and 1358 transitions. [2019-11-15 21:09:32,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:09:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1358 transitions. [2019-11-15 21:09:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 21:09:32,981 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:09:32,981 INFO L380 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] [2019-11-15 21:09:32,981 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:09:32,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:09:32,982 INFO L82 PathProgramCache]: Analyzing trace with hash 766727501, now seen corresponding path program 1 times [2019-11-15 21:09:32,982 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:09:32,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226627398] [2019-11-15 21:09:32,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:32,982 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:32,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:09:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:09:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:09:33,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226627398] [2019-11-15 21:09:33,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:09:33,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:09:33,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173690100] [2019-11-15 21:09:33,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:09:33,150 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:09:33,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:09:33,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:09:33,150 INFO L87 Difference]: Start difference. First operand 959 states and 1358 transitions. Second operand 3 states. [2019-11-15 21:09:33,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:09:33,466 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2019-11-15 21:09:33,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:09:33,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-11-15 21:09:33,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:09:33,481 INFO L225 Difference]: With dead ends: 2203 [2019-11-15 21:09:33,482 INFO L226 Difference]: Without dead ends: 1256 [2019-11-15 21:09:33,484 INFO L600 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 [2019-11-15 21:09:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-11-15 21:09:33,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1248. [2019-11-15 21:09:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-11-15 21:09:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1766 transitions. [2019-11-15 21:09:33,523 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1766 transitions. Word has length 40 [2019-11-15 21:09:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:09:33,523 INFO L462 AbstractCegarLoop]: Abstraction has 1248 states and 1766 transitions. [2019-11-15 21:09:33,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:09:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1766 transitions. [2019-11-15 21:09:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 21:09:33,526 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:09:33,526 INFO L380 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] [2019-11-15 21:09:33,527 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:09:33,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:09:33,527 INFO L82 PathProgramCache]: Analyzing trace with hash 539281720, now seen corresponding path program 1 times [2019-11-15 21:09:33,527 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:09:33,528 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689443786] [2019-11-15 21:09:33,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:33,528 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:33,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:09:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:09:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:09:33,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689443786] [2019-11-15 21:09:33,737 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:09:33,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:09:33,737 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800470078] [2019-11-15 21:09:33,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:09:33,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:09:33,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:09:33,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:09:33,739 INFO L87 Difference]: Start difference. First operand 1248 states and 1766 transitions. Second operand 3 states. [2019-11-15 21:09:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:09:33,833 INFO L93 Difference]: Finished difference Result 1248 states and 1766 transitions. [2019-11-15 21:09:33,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:09:33,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-15 21:09:33,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:09:33,842 INFO L225 Difference]: With dead ends: 1248 [2019-11-15 21:09:33,842 INFO L226 Difference]: Without dead ends: 1244 [2019-11-15 21:09:33,844 INFO L600 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 [2019-11-15 21:09:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2019-11-15 21:09:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2019-11-15 21:09:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-11-15 21:09:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1760 transitions. [2019-11-15 21:09:33,883 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1760 transitions. Word has length 47 [2019-11-15 21:09:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:09:33,884 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1760 transitions. [2019-11-15 21:09:33,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:09:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1760 transitions. [2019-11-15 21:09:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-15 21:09:33,888 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:09:33,889 INFO L380 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] [2019-11-15 21:09:33,889 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:09:33,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:09:33,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1818149696, now seen corresponding path program 1 times [2019-11-15 21:09:33,890 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:09:33,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076166754] [2019-11-15 21:09:33,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:33,891 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:09:33,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:09:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:09:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:09:44,043 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:09:44,043 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 21:09:44,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:09:44 BoogieIcfgContainer [2019-11-15 21:09:44,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:09:44,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:09:44,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:09:44,446 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:09:44,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:09:31" (3/4) ... [2019-11-15 21:09:44,462 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:09:44,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:09:44,472 INFO L168 Benchmark]: Toolchain (without parser) took 20311.58 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 891.8 MB). Free memory was 939.4 MB in the beginning and 964.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 866.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:09:44,472 INFO L168 Benchmark]: CDTParser took 0.49 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. [2019-11-15 21:09:44,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2275.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 991.0 MB in the end (delta: -51.6 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:09:44,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.80 ms. Allocated memory is still 1.2 GB. Free memory was 991.0 MB in the beginning and 977.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:09:44,474 INFO L168 Benchmark]: Boogie Preprocessor took 212.58 ms. Allocated memory is still 1.2 GB. Free memory was 977.5 MB in the beginning and 957.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:09:44,475 INFO L168 Benchmark]: RCFGBuilder took 4885.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 957.4 MB in the beginning and 797.7 MB in the end (delta: 159.6 MB). Peak memory consumption was 279.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:09:44,478 INFO L168 Benchmark]: TraceAbstraction took 12711.73 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 628.6 MB). Free memory was 797.7 MB in the beginning and 964.4 MB in the end (delta: -166.6 MB). Peak memory consumption was 462.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:09:44,478 INFO L168 Benchmark]: Witness Printer took 24.16 ms. Allocated memory is still 1.9 GB. Free memory is still 964.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:09:44,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 2275.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 991.0 MB in the end (delta: -51.6 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 196.80 ms. Allocated memory is still 1.2 GB. Free memory was 991.0 MB in the beginning and 977.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 212.58 ms. Allocated memory is still 1.2 GB. Free memory was 977.5 MB in the beginning and 957.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4885.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 957.4 MB in the beginning and 797.7 MB in the end (delta: 159.6 MB). Peak memory consumption was 279.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12711.73 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 628.6 MB). Free memory was 797.7 MB in the beginning and 964.4 MB in the end (delta: -166.6 MB). Peak memory consumption was 462.0 MB. Max. memory is 11.5 GB. * Witness Printer took 24.16 ms. Allocated memory is still 1.9 GB. Free memory is still 964.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3980]: 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 5876, overapproximation of bitwiseAnd at line 6549. Possible FailurePath: [L4003] int ldv_irq_1_2 = 0; [L4004] int LDV_IN_INTERRUPT = 1; [L4005] int ldv_irq_1_3 = 0; [L4006] void *ldv_irq_data_1_1 ; [L4007] int ldv_irq_1_1 = 0; [L4008] int ldv_irq_1_0 = 0; [L4009] struct urb *max3421_hcd_desc_group0 ; [L4010] int ldv_irq_line_1_3 ; [L4011] void *ldv_irq_data_1_0 ; [L4012] int ldv_state_variable_0 ; [L4013] struct usb_hcd *max3421_hcd_desc_group1 ; [L4014] int ldv_state_variable_3 ; [L4015] int ldv_irq_line_1_0 ; [L4016] int ldv_state_variable_2 ; [L4017] void *ldv_irq_data_1_3 ; [L4018] struct spi_device *max3421_driver_group0 ; [L4019] int ref_cnt ; [L4020] int ldv_irq_line_1_1 ; [L4021] void *ldv_irq_data_1_2 ; [L4022] int ldv_state_variable_1 ; [L4023] int ldv_irq_line_1_2 ; [L4201] static struct max3421_hcd *max3421_hcd_list ; [L4202-L4206] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5875-L5881] 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}; [L6020-L6022] 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}}; [L6038] int ldv_retval_0 ; [L6039] int ldv_retval_1 ; [L6042] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6187] char *ldvarg7 ; [L6188] void *tmp ; [L6189] u16 ldvarg3 ; [L6190] u16 tmp___0 ; [L6191] u16 ldvarg0 ; [L6192] u16 tmp___1 ; [L6193] gfp_t ldvarg5 ; [L6194] gfp_t ldvarg6 ; [L6195] struct usb_host_endpoint *ldvarg8 ; [L6196] void *tmp___2 ; [L6197] u16 ldvarg1 ; [L6198] u16 tmp___3 ; [L6199] char *ldvarg4 ; [L6200] void *tmp___4 ; [L6201] int ldvarg9 ; [L6202] int tmp___5 ; [L6203] u16 ldvarg2 ; [L6204] u16 tmp___6 ; [L6205] int tmp___7 ; [L6206] int tmp___8 ; [L6207] int tmp___9 ; [L6208] int tmp___10 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6210] tmp = ldv_zalloc(1UL) [L6211] ldvarg7 = (char *)tmp [L6212] tmp___0 = __VERIFIER_nondet_u16() [L6213] ldvarg3 = tmp___0 [L6214] tmp___1 = __VERIFIER_nondet_u16() [L6215] ldvarg0 = tmp___1 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6216] tmp___2 = ldv_zalloc(72UL) [L6217] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6218] tmp___3 = __VERIFIER_nondet_u16() [L6219] ldvarg1 = tmp___3 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6220] tmp___4 = ldv_zalloc(1UL) [L6221] ldvarg4 = (char *)tmp___4 [L6222] tmp___5 = __VERIFIER_nondet_int() [L6223] ldvarg9 = tmp___5 [L6224] tmp___6 = __VERIFIER_nondet_u16() [L6225] ldvarg2 = tmp___6 VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6227] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6228] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6229] ldv_state_variable_1 = 1 [L6230] ref_cnt = 0 [L6231] ldv_state_variable_0 = 1 [L6232] ldv_state_variable_3 = 0 [L6233] ldv_state_variable_2 = 0 VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6244] COND TRUE ldv_state_variable_0 != 0 [L6245] tmp___8 = __VERIFIER_nondet_int() [L6247] case 0: [L6255] case 1: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6256] COND TRUE ldv_state_variable_0 == 1 [L6025] int tmp ; [L6694] return __VERIFIER_nondet_int(); [L6027] tmp = spi_register_driver(& max3421_driver) [L6028] return (tmp); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6257] ldv_retval_0 = max3421_driver_init() [L6258] COND TRUE ldv_retval_0 == 0 [L6259] ldv_state_variable_0 = 3 [L6260] ldv_state_variable_2 = 1 [L6152] void *tmp ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6154] tmp = ldv_zalloc(1496UL) [L6155] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6262] ldv_state_variable_3 = 1 [L6115] void *tmp ; [L6116] void *tmp___0 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6118] tmp = ldv_zalloc(192UL) [L6119] max3421_hcd_desc_group0 = (struct urb *)tmp [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6120] tmp___0 = ldv_zalloc(968UL) [L6121] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6266] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: [L6281] case 2: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6282] COND TRUE ldv_state_variable_3 != 0 [L6283] tmp___9 = __VERIFIER_nondet_int() [L6285] case 0: [L6296] case 1: [L6308] case 2: [L6320] case 3: [L6332] case 4: [L6344] case 5: [L6356] case 6: [L6368] case 7: [L6380] case 8: [L6388] case 9: [L6400] case 10: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6401] COND TRUE ldv_state_variable_3 == 1 [L5528] struct spi_device *spi ; [L5529] struct spi_device *tmp ; [L5530] struct max3421_hcd *max3421_hcd ; [L5531] struct max3421_hcd *tmp___0 ; [L5532] struct max3421_ep *max3421_ep ; [L5533] unsigned long flags ; [L5534] int retval ; [L5535] void *tmp___1 ; [L5537] EXPR hcd->self.controller [L4055] struct device const *__mptr ; [L4056] struct spi_device *tmp ; VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L4058] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4059] __mptr = (struct device const *)dev [L4060] tmp = (struct spi_device *)__mptr VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L4064] return (tmp); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L5537] tmp = to_spi_device(hcd->self.controller) [L5538] spi = tmp [L4216] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L5539] tmp___0 = hcd_to_max3421(hcd) [L5540] max3421_hcd = tmp___0 [L5541] urb->pipe [L5542] case 1U: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L5543] case 0U: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L5550] default: VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L5555] EXPR urb->ep [L5555] EXPR (urb->ep)->hcpriv [L5555] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5556] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] [L3980] __VERIFIER_error() VAL [__this_module={18446744073709551592:18446744073709551590}, hrsl_to_error={5:0}, 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={4:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-66:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={140:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 551 locations, 4 error locations. Result: UNSAFE, OverallTime: 12.6s, 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, 4.7s 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-cad4683 [2019-11-15 21:09:46,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:09:46,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:09:46,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:09:46,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:09:46,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:09:46,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:09:46,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:09:46,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:09:46,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:09:46,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:09:46,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:09:46,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:09:46,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:09:46,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:09:46,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:09:46,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:09:46,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:09:46,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:09:46,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:09:46,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:09:46,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:09:46,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:09:46,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:09:46,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:09:46,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:09:46,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:09:46,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:09:46,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:09:46,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:09:46,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:09:46,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:09:46,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:09:46,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:09:46,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:09:46,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:09:46,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:09:46,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:09:46,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:09:46,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:09:46,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:09:46,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-15 21:09:46,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:09:46,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:09:46,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:09:46,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:09:46,844 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:09:46,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:09:46,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:09:46,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:09:46,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:09:46,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:09:46,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:09:46,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:09:46,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:09:46,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:09:46,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:09:46,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:09:46,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:09:46,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:09:46,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:09:46,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:09:46,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:09:46,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:09:46,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:09:46,849 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:09:46,850 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:09:46,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:09:46,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:09:46,850 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-15 21:09:46,851 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_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 -> 19e5a213554beb237dbccb315b6d7d71ba9b89be [2019-11-15 21:09:46,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:09:46,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:09:46,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:09:46,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:09:46,910 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:09:46,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:09:46,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/a5138b966/ce9e7a71fb1a4cfaa5c145f26e10be5d/FLAG451c47a75 [2019-11-15 21:09:47,812 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:09:47,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:09:47,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/a5138b966/ce9e7a71fb1a4cfaa5c145f26e10be5d/FLAG451c47a75 [2019-11-15 21:09:48,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/bin/uautomizer/data/a5138b966/ce9e7a71fb1a4cfaa5c145f26e10be5d [2019-11-15 21:09:48,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:09:48,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:09:48,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:09:48,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:09:48,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:09:48,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:09:48" (1/1) ... [2019-11-15 21:09:48,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f8bf7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:48, skipping insertion in model container [2019-11-15 21:09:48,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:09:48" (1/1) ... [2019-11-15 21:09:48,349 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:09:48,494 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:09:49,139 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-15 21:09:49,140 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] [2019-11-15 21:09:50,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:09:50,204 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:09:50,281 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3703] [2019-11-15 21:09:50,281 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] [2019-11-15 21:09:50,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:09:50,630 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:09:50,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50 WrapperNode [2019-11-15 21:09:50,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:09:50,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:09:50,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:09:50,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:09:50,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:50,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:50,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:09:50,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:09:50,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:09:50,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:09:50,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:50,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:50,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:50,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:51,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:51,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:51,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... [2019-11-15 21:09:51,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:09:51,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:09:51,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:09:51,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:09:51,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:09:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-15 21:09:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-11-15 21:09:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:09:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-11-15 21:09:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-11-15 21:09:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 21:09:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-15 21:09:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:09:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-15 21:09:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-15 21:09:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-11-15 21:09:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:09:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:09:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-15 21:09:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-11-15 21:09:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-15 21:09:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:09:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:10:06,144 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:10:06,144 INFO L284 CfgBuilder]: Removed 517 assume(true) statements. [2019-11-15 21:10:06,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:10:06 BoogieIcfgContainer [2019-11-15 21:10:06,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:10:06,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:10:06,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:10:06,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:10:06,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:09:48" (1/3) ... [2019-11-15 21:10:06,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16239341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:10:06, skipping insertion in model container [2019-11-15 21:10:06,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:09:50" (2/3) ... [2019-11-15 21:10:06,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16239341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:10:06, skipping insertion in model container [2019-11-15 21:10:06,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:10:06" (3/3) ... [2019-11-15 21:10:06,153 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 [2019-11-15 21:10:06,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:10:06,171 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-15 21:10:06,183 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-15 21:10:06,222 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:10:06,223 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:10:06,223 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:10:06,223 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:10:06,223 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:10:06,223 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:10:06,224 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:10:06,224 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:10:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states. [2019-11-15 21:10:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:10:06,270 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:10:06,271 INFO L380 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] [2019-11-15 21:10:06,274 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:10:06,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:10:06,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1935080779, now seen corresponding path program 1 times [2019-11-15 21:10:06,288 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:10:06,288 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [741640163] [2019-11-15 21:10:06,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:10:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:10:07,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:10:07,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:10:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:10:07,116 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:10:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:10:07,124 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [741640163] [2019-11-15 21:10:07,124 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:10:07,125 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-15 21:10:07,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908615473] [2019-11-15 21:10:07,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:10:07,129 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:10:07,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:10:07,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:10:07,146 INFO L87 Difference]: Start difference. First operand 551 states. Second operand 3 states. [2019-11-15 21:10:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:10:07,692 INFO L93 Difference]: Finished difference Result 1531 states and 2186 transitions. [2019-11-15 21:10:07,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:10:07,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-11-15 21:10:07,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:10:07,725 INFO L225 Difference]: With dead ends: 1531 [2019-11-15 21:10:07,726 INFO L226 Difference]: Without dead ends: 963 [2019-11-15 21:10:07,731 INFO L600 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 [2019-11-15 21:10:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-15 21:10:07,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 959. [2019-11-15 21:10:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2019-11-15 21:10:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1358 transitions. [2019-11-15 21:10:07,848 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1358 transitions. Word has length 29 [2019-11-15 21:10:07,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:10:07,848 INFO L462 AbstractCegarLoop]: Abstraction has 959 states and 1358 transitions. [2019-11-15 21:10:07,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:10:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1358 transitions. [2019-11-15 21:10:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 21:10:07,854 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:10:07,854 INFO L380 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] [2019-11-15 21:10:08,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:10:08,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:10:08,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:10:08,062 INFO L82 PathProgramCache]: Analyzing trace with hash 766727501, now seen corresponding path program 1 times [2019-11-15 21:10:08,064 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:10:08,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1389083233] [2019-11-15 21:10:08,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:10:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:10:08,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:10:08,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:10:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:10:08,802 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:10:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:10:08,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1389083233] [2019-11-15 21:10:08,808 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:10:08,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-15 21:10:08,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185038790] [2019-11-15 21:10:08,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:10:08,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:10:08,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:10:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:10:08,812 INFO L87 Difference]: Start difference. First operand 959 states and 1358 transitions. Second operand 3 states. [2019-11-15 21:10:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:10:09,430 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2019-11-15 21:10:09,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:10:09,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-11-15 21:10:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:10:09,439 INFO L225 Difference]: With dead ends: 2203 [2019-11-15 21:10:09,439 INFO L226 Difference]: Without dead ends: 1256 [2019-11-15 21:10:09,442 INFO L600 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 [2019-11-15 21:10:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2019-11-15 21:10:09,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1248. [2019-11-15 21:10:09,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-11-15 21:10:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1766 transitions. [2019-11-15 21:10:09,490 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1766 transitions. Word has length 40 [2019-11-15 21:10:09,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:10:09,490 INFO L462 AbstractCegarLoop]: Abstraction has 1248 states and 1766 transitions. [2019-11-15 21:10:09,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:10:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1766 transitions. [2019-11-15 21:10:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-15 21:10:09,495 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:10:09,495 INFO L380 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] [2019-11-15 21:10:09,700 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:10:09,700 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:10:09,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:10:09,701 INFO L82 PathProgramCache]: Analyzing trace with hash 539281720, now seen corresponding path program 1 times [2019-11-15 21:10:09,702 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:10:09,702 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [370358373] [2019-11-15 21:10:09,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:10:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:10:10,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:10:10,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:10:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:10:10,370 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:10:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 21:10:10,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [370358373] [2019-11-15 21:10:10,381 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:10:10,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 21:10:10,381 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122758658] [2019-11-15 21:10:10,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:10:10,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:10:10,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:10:10,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:10:10,383 INFO L87 Difference]: Start difference. First operand 1248 states and 1766 transitions. Second operand 3 states. [2019-11-15 21:10:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:10:10,486 INFO L93 Difference]: Finished difference Result 1248 states and 1766 transitions. [2019-11-15 21:10:10,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:10:10,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-15 21:10:10,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:10:10,495 INFO L225 Difference]: With dead ends: 1248 [2019-11-15 21:10:10,496 INFO L226 Difference]: Without dead ends: 1244 [2019-11-15 21:10:10,497 INFO L600 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 [2019-11-15 21:10:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2019-11-15 21:10:10,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2019-11-15 21:10:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-11-15 21:10:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1760 transitions. [2019-11-15 21:10:10,558 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1760 transitions. Word has length 47 [2019-11-15 21:10:10,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:10:10,558 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1760 transitions. [2019-11-15 21:10:10,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:10:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1760 transitions. [2019-11-15 21:10:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-15 21:10:10,564 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:10:10,564 INFO L380 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] [2019-11-15 21:10:10,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:10:10,769 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:10:10,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:10:10,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1818149696, now seen corresponding path program 1 times [2019-11-15 21:10:10,770 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:10:10,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [692594274] [2019-11-15 21:10:10,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad1da7e9-62a8-4f55-8bbd-d4b199826c3e/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 [2019-11-15 21:13:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:17:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:17:42,951 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-15 21:17:42,952 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 21:17:43,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:17:43,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:17:43 BoogieIcfgContainer [2019-11-15 21:17:43,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:17:43,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:17:43,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:17:43,495 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:17:43,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:10:06" (3/4) ... [2019-11-15 21:17:43,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:17:43,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:17:43,501 INFO L168 Benchmark]: Toolchain (without parser) took 475169.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 284.7 MB). Free memory was 934.9 MB in the beginning and 970.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 248.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:43,502 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:17:43,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2299.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 934.9 MB in the beginning and 941.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:43,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 252.76 ms. Allocated memory is still 1.1 GB. Free memory was 941.4 MB in the beginning and 920.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:43,506 INFO L168 Benchmark]: Boogie Preprocessor took 206.95 ms. Allocated memory is still 1.1 GB. Free memory was 920.6 MB in the beginning and 906.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:43,509 INFO L168 Benchmark]: RCFGBuilder took 15053.82 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 906.7 MB in the beginning and 1.2 GB in the end (delta: -308.2 MB). Peak memory consumption was 297.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:43,511 INFO L168 Benchmark]: TraceAbstraction took 457347.67 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 6.3 MB). Free memory was 1.2 GB in the beginning and 970.8 MB in the end (delta: 244.1 MB). Peak memory consumption was 250.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:17:43,511 INFO L168 Benchmark]: Witness Printer took 4.64 ms. Allocated memory is still 1.3 GB. Free memory is still 970.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:17:43,516 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2299.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 934.9 MB in the beginning and 941.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 252.76 ms. Allocated memory is still 1.1 GB. Free memory was 941.4 MB in the beginning and 920.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 206.95 ms. Allocated memory is still 1.1 GB. Free memory was 920.6 MB in the beginning and 906.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15053.82 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 906.7 MB in the beginning and 1.2 GB in the end (delta: -308.2 MB). Peak memory consumption was 297.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 457347.67 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 6.3 MB). Free memory was 1.2 GB in the beginning and 970.8 MB in the end (delta: 244.1 MB). Peak memory consumption was 250.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.64 ms. Allocated memory is still 1.3 GB. Free memory is still 970.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3980]: 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 5876. Possible FailurePath: [L4003] int ldv_irq_1_2 = 0; [L4004] int LDV_IN_INTERRUPT = 1; [L4005] int ldv_irq_1_3 = 0; [L4006] void *ldv_irq_data_1_1 ; [L4007] int ldv_irq_1_1 = 0; [L4008] int ldv_irq_1_0 = 0; [L4009] struct urb *max3421_hcd_desc_group0 ; [L4010] int ldv_irq_line_1_3 ; [L4011] void *ldv_irq_data_1_0 ; [L4012] int ldv_state_variable_0 ; [L4013] struct usb_hcd *max3421_hcd_desc_group1 ; [L4014] int ldv_state_variable_3 ; [L4015] int ldv_irq_line_1_0 ; [L4016] int ldv_state_variable_2 ; [L4017] void *ldv_irq_data_1_3 ; [L4018] struct spi_device *max3421_driver_group0 ; [L4019] int ref_cnt ; [L4020] int ldv_irq_line_1_1 ; [L4021] void *ldv_irq_data_1_2 ; [L4022] int ldv_state_variable_1 ; [L4023] int ldv_irq_line_1_2 ; [L4201] static struct max3421_hcd *max3421_hcd_list ; [L4202-L4206] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5875-L5881] 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}; [L6020-L6022] 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}}; [L6038] int ldv_retval_0 ; [L6039] int ldv_retval_1 ; [L6042] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6187] char *ldvarg7 ; [L6188] void *tmp ; [L6189] u16 ldvarg3 ; [L6190] u16 tmp___0 ; [L6191] u16 ldvarg0 ; [L6192] u16 tmp___1 ; [L6193] gfp_t ldvarg5 ; [L6194] gfp_t ldvarg6 ; [L6195] struct usb_host_endpoint *ldvarg8 ; [L6196] void *tmp___2 ; [L6197] u16 ldvarg1 ; [L6198] u16 tmp___3 ; [L6199] char *ldvarg4 ; [L6200] void *tmp___4 ; [L6201] int ldvarg9 ; [L6202] int tmp___5 ; [L6203] u16 ldvarg2 ; [L6204] u16 tmp___6 ; [L6205] int tmp___7 ; [L6206] int tmp___8 ; [L6207] int tmp___9 ; [L6208] int tmp___10 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6210] tmp = ldv_zalloc(1UL) [L6211] ldvarg7 = (char *)tmp [L6212] tmp___0 = __VERIFIER_nondet_u16() [L6213] ldvarg3 = tmp___0 [L6214] tmp___1 = __VERIFIER_nondet_u16() [L6215] ldvarg0 = tmp___1 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6216] tmp___2 = ldv_zalloc(72UL) [L6217] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6218] tmp___3 = __VERIFIER_nondet_u16() [L6219] ldvarg1 = tmp___3 [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6220] tmp___4 = ldv_zalloc(1UL) [L6221] ldvarg4 = (char *)tmp___4 [L6222] tmp___5 = __VERIFIER_nondet_int() [L6223] ldvarg9 = tmp___5 [L6224] tmp___6 = __VERIFIER_nondet_u16() [L6225] ldvarg2 = tmp___6 VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6227] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6228] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6229] ldv_state_variable_1 = 1 [L6230] ref_cnt = 0 [L6231] ldv_state_variable_0 = 1 [L6232] ldv_state_variable_3 = 0 [L6233] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6244] COND TRUE ldv_state_variable_0 != 0 [L6245] tmp___8 = __VERIFIER_nondet_int() [L6247] case 0: [L6255] case 1: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6256] COND TRUE ldv_state_variable_0 == 1 [L6025] int tmp ; [L6694] return __VERIFIER_nondet_int(); [L6027] tmp = spi_register_driver(& max3421_driver) [L6028] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6257] ldv_retval_0 = max3421_driver_init() [L6258] COND TRUE ldv_retval_0 == 0 [L6259] ldv_state_variable_0 = 3 [L6260] ldv_state_variable_2 = 1 [L6152] void *tmp ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6154] tmp = ldv_zalloc(1496UL) [L6155] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6262] ldv_state_variable_3 = 1 [L6115] void *tmp ; [L6116] void *tmp___0 ; [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6118] tmp = ldv_zalloc(192UL) [L6119] max3421_hcd_desc_group0 = (struct urb *)tmp [L3937] void *p ; [L3938] void *tmp ; [L3939] int tmp___0 ; [L3941] tmp___0 = __VERIFIER_nondet_int() [L3942] COND TRUE tmp___0 != 0 [L3943] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6120] tmp___0 = ldv_zalloc(968UL) [L6121] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6266] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6235] tmp___7 = __VERIFIER_nondet_int() [L6237] case 0: [L6243] case 1: [L6281] case 2: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6282] COND TRUE ldv_state_variable_3 != 0 [L6283] tmp___9 = __VERIFIER_nondet_int() [L6285] case 0: [L6296] case 1: [L6308] case 2: [L6320] case 3: [L6332] case 4: [L6344] case 5: [L6356] case 6: [L6368] case 7: [L6380] case 8: [L6388] case 9: [L6400] case 10: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6401] COND TRUE ldv_state_variable_3 == 1 [L5528] struct spi_device *spi ; [L5529] struct spi_device *tmp ; [L5530] struct max3421_hcd *max3421_hcd ; [L5531] struct max3421_hcd *tmp___0 ; [L5532] struct max3421_ep *max3421_ep ; [L5533] unsigned long flags ; [L5534] int retval ; [L5535] void *tmp___1 ; [L5537] EXPR hcd->self.controller [L4055] struct device const *__mptr ; [L4056] struct spi_device *tmp ; VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L4058] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4059] __mptr = (struct device const *)dev [L4060] tmp = (struct spi_device *)__mptr VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L4064] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L5537] tmp = to_spi_device(hcd->self.controller) [L5538] spi = tmp [L4216] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L5539] tmp___0 = hcd_to_max3421(hcd) [L5540] max3421_hcd = tmp___0 [L5541] urb->pipe [L5542] case 1U: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L5543] case 0U: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L5550] default: VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L5555] EXPR urb->ep [L5555] EXPR (urb->ep)->hcpriv [L5555] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5556] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] [L3980] __VERIFIER_error() VAL [__this_module={0:0}, hrsl_to_error={-2138830846:0}, 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={-872666478:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-873470219:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-2138699776:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 551 locations, 4 error locations. Result: UNSAFE, OverallTime: 457.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.3s, 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: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 212.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 18574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2023 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...