./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 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e08c7abd7036b355ca3bf6867bde70f508f01ffc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e08c7abd7036b355ca3bf6867bde70f508f01ffc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 03:51:02,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 03:51:02,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 03:51:02,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 03:51:02,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 03:51:02,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 03:51:02,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 03:51:02,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 03:51:02,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 03:51:02,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 03:51:02,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 03:51:02,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 03:51:02,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 03:51:02,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 03:51:02,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 03:51:02,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 03:51:02,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 03:51:02,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 03:51:02,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 03:51:02,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 03:51:02,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 03:51:02,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 03:51:02,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 03:51:02,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 03:51:02,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 03:51:02,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 03:51:02,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 03:51:02,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 03:51:02,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 03:51:02,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 03:51:02,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 03:51:02,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 03:51:02,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 03:51:02,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 03:51:02,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 03:51:02,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 03:51:02,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 03:51:02,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 03:51:02,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 03:51:02,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 03:51:02,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 03:51:02,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-30 03:51:02,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 03:51:02,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 03:51:02,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 03:51:02,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 03:51:02,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 03:51:02,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 03:51:02,871 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 03:51:02,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 03:51:02,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 03:51:02,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 03:51:02,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 03:51:02,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 03:51:02,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 03:51:02,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 03:51:02,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 03:51:02,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 03:51:02,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 03:51:02,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 03:51:02,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 03:51:02,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 03:51:02,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 03:51:02,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 03:51:02,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 03:51:02,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 03:51:02,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 03:51:02,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 03:51:02,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 03:51:02,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08c7abd7036b355ca3bf6867bde70f508f01ffc [2021-08-30 03:51:03,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 03:51:03,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 03:51:03,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 03:51:03,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 03:51:03,158 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 03:51:03,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-08-30 03:51:03,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250de7267/8d6c9f5c291e4d1e837ee712d2d330f4/FLAGd6ba0e988 [2021-08-30 03:51:03,789 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 03:51:03,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-08-30 03:51:03,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250de7267/8d6c9f5c291e4d1e837ee712d2d330f4/FLAGd6ba0e988 [2021-08-30 03:51:04,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/250de7267/8d6c9f5c291e4d1e837ee712d2d330f4 [2021-08-30 03:51:04,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 03:51:04,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 03:51:04,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 03:51:04,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 03:51:04,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 03:51:04,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:51:04" (1/1) ... [2021-08-30 03:51:04,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fc9bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:04, skipping insertion in model container [2021-08-30 03:51:04,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:51:04" (1/1) ... [2021-08-30 03:51:04,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 03:51:04,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 03:51:04,614 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-08-30 03:51:04,614 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-08-30 03:51:04,756 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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[111905,111918] [2021-08-30 03:51:05,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 03:51:05,263 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 03:51:05,378 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-08-30 03:51:05,378 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-08-30 03:51:05,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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[111905,111918] [2021-08-30 03:51:05,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 03:51:05,589 INFO L208 MainTranslator]: Completed translation [2021-08-30 03:51:05,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05 WrapperNode [2021-08-30 03:51:05,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 03:51:05,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 03:51:05,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 03:51:05,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 03:51:05,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 03:51:05,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 03:51:05,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 03:51:05,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 03:51:05,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 03:51:05,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 03:51:05,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 03:51:05,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 03:51:05,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (1/1) ... [2021-08-30 03:51:05,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 03:51:05,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 03:51:05,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-30 03:51:05,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-30 03:51:05,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-30 03:51:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-30 03:51:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 03:51:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 03:51:05,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 03:51:07,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 03:51:07,548 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2021-08-30 03:51:07,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:51:07 BoogieIcfgContainer [2021-08-30 03:51:07,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 03:51:07,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 03:51:07,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 03:51:07,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 03:51:07,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 03:51:04" (1/3) ... [2021-08-30 03:51:07,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b97512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:51:07, skipping insertion in model container [2021-08-30 03:51:07,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:05" (2/3) ... [2021-08-30 03:51:07,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b97512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:51:07, skipping insertion in model container [2021-08-30 03:51:07,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:51:07" (3/3) ... [2021-08-30 03:51:07,557 INFO L111 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 [2021-08-30 03:51:07,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 03:51:07,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-30 03:51:07,605 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 03:51:07,609 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-30 03:51:07,610 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-30 03:51:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 601 states have (on average 1.4276206322795342) internal successors, (858), 605 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-30 03:51:07,654 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:07,655 INFO L513 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] [2021-08-30 03:51:07,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:07,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:07,659 INFO L82 PathProgramCache]: Analyzing trace with hash -345089639, now seen corresponding path program 1 times [2021-08-30 03:51:07,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 03:51:07,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350986036] [2021-08-30 03:51:07,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:07,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 03:51:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 03:51:08,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 03:51:08,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350986036] [2021-08-30 03:51:08,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350986036] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:08,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:08,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 03:51:08,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341647812] [2021-08-30 03:51:08,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:51:08,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 03:51:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:51:08,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:08,076 INFO L87 Difference]: Start difference. First operand has 606 states, 601 states have (on average 1.4276206322795342) internal successors, (858), 605 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:10,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:51:10,333 INFO L93 Difference]: Finished difference Result 1648 states and 2342 transitions. [2021-08-30 03:51:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:51:10,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-08-30 03:51:10,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:51:10,373 INFO L225 Difference]: With dead ends: 1648 [2021-08-30 03:51:10,373 INFO L226 Difference]: Without dead ends: 1018 [2021-08-30 03:51:10,377 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:10,379 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 655 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1720.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.76ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2120.00ms IncrementalHoareTripleChecker+Time [2021-08-30 03:51:10,380 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 18 Invalid, 1622 Unknown, 0 Unchecked, 11.76ms Time], IncrementalHoareTripleChecker [2 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 2120.00ms Time] [2021-08-30 03:51:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-08-30 03:51:10,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1014. [2021-08-30 03:51:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1010 states have (on average 1.4) internal successors, (1414), 1013 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1414 transitions. [2021-08-30 03:51:10,460 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1414 transitions. Word has length 30 [2021-08-30 03:51:10,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:51:10,460 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1414 transitions. [2021-08-30 03:51:10,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1414 transitions. [2021-08-30 03:51:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-30 03:51:10,462 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:10,463 INFO L513 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] [2021-08-30 03:51:10,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 03:51:10,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:10,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:10,464 INFO L82 PathProgramCache]: Analyzing trace with hash -501809799, now seen corresponding path program 1 times [2021-08-30 03:51:10,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 03:51:10,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584244390] [2021-08-30 03:51:10,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:10,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 03:51:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 03:51:10,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 03:51:10,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584244390] [2021-08-30 03:51:10,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584244390] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:10,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:10,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 03:51:10,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584814911] [2021-08-30 03:51:10,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:51:10,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 03:51:10,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:51:10,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:10,558 INFO L87 Difference]: Start difference. First operand 1014 states and 1414 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:12,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:51:12,054 INFO L93 Difference]: Finished difference Result 2320 states and 3238 transitions. [2021-08-30 03:51:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:51:12,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-08-30 03:51:12,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:51:12,058 INFO L225 Difference]: With dead ends: 2320 [2021-08-30 03:51:12,058 INFO L226 Difference]: Without dead ends: 1336 [2021-08-30 03:51:12,061 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:12,061 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 322 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1181.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.82ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1434.20ms IncrementalHoareTripleChecker+Time [2021-08-30 03:51:12,062 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 0 Invalid, 1728 Unknown, 0 Unchecked, 3.82ms Time], IncrementalHoareTripleChecker [2 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 1434.20ms Time] [2021-08-30 03:51:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-08-30 03:51:12,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1322. [2021-08-30 03:51:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1318 states have (on average 1.3975720789074355) internal successors, (1842), 1321 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1842 transitions. [2021-08-30 03:51:12,085 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1842 transitions. Word has length 40 [2021-08-30 03:51:12,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:51:12,086 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1842 transitions. [2021-08-30 03:51:12,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1842 transitions. [2021-08-30 03:51:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-30 03:51:12,088 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:12,088 INFO L513 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] [2021-08-30 03:51:12,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 03:51:12,088 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:12,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:12,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1114337862, now seen corresponding path program 1 times [2021-08-30 03:51:12,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 03:51:12,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576246787] [2021-08-30 03:51:12,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:12,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 03:51:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:51:12,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 03:51:12,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576246787] [2021-08-30 03:51:12,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576246787] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:12,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:12,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-30 03:51:12,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856979295] [2021-08-30 03:51:12,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:51:12,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 03:51:12,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:51:12,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:12,178 INFO L87 Difference]: Start difference. First operand 1322 states and 1842 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:13,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:51:13,370 INFO L93 Difference]: Finished difference Result 1322 states and 1842 transitions. [2021-08-30 03:51:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:51:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-08-30 03:51:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:51:13,376 INFO L225 Difference]: With dead ends: 1322 [2021-08-30 03:51:13,376 INFO L226 Difference]: Without dead ends: 1318 [2021-08-30 03:51:13,377 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.60ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:13,381 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 469 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 967.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1152.97ms IncrementalHoareTripleChecker+Time [2021-08-30 03:51:13,383 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 0 Invalid, 1100 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [12 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 1152.97ms Time] [2021-08-30 03:51:13,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2021-08-30 03:51:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2021-08-30 03:51:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 1316 states have (on average 1.3951367781155015) internal successors, (1836), 1317 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1836 transitions. [2021-08-30 03:51:13,415 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1836 transitions. Word has length 48 [2021-08-30 03:51:13,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:51:13,416 INFO L470 AbstractCegarLoop]: Abstraction has 1318 states and 1836 transitions. [2021-08-30 03:51:13,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1836 transitions. [2021-08-30 03:51:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-30 03:51:13,420 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:13,420 INFO L513 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] [2021-08-30 03:51:13,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-30 03:51:13,422 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:13,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1653029978, now seen corresponding path program 1 times [2021-08-30 03:51:13,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 03:51:13,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224204081] [2021-08-30 03:51:13,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:13,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 03:51:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:51:13,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 03:51:13,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224204081] [2021-08-30 03:51:13,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224204081] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:13,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:13,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 03:51:13,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620040648] [2021-08-30 03:51:13,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:51:13,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 03:51:13,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:51:13,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:13,549 INFO L87 Difference]: Start difference. First operand 1318 states and 1836 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:51:15,940 INFO L93 Difference]: Finished difference Result 3790 states and 5308 transitions. [2021-08-30 03:51:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:51:15,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-30 03:51:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:51:15,948 INFO L225 Difference]: With dead ends: 3790 [2021-08-30 03:51:15,948 INFO L226 Difference]: Without dead ends: 2502 [2021-08-30 03:51:15,950 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:15,950 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 747 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1879.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.00ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2305.65ms IncrementalHoareTripleChecker+Time [2021-08-30 03:51:15,951 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [747 Valid, 0 Invalid, 2262 Unknown, 0 Unchecked, 4.00ms Time], IncrementalHoareTripleChecker [9 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 2305.65ms Time] [2021-08-30 03:51:15,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-08-30 03:51:15,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 1322. [2021-08-30 03:51:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1320 states have (on average 1.3909090909090909) internal successors, (1836), 1321 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1836 transitions. [2021-08-30 03:51:15,986 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1836 transitions. Word has length 58 [2021-08-30 03:51:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:51:15,988 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1836 transitions. [2021-08-30 03:51:15,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1836 transitions. [2021-08-30 03:51:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-30 03:51:15,990 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:15,990 INFO L513 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] [2021-08-30 03:51:15,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-30 03:51:15,990 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:15,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1260002968, now seen corresponding path program 1 times [2021-08-30 03:51:15,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 03:51:15,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728818316] [2021-08-30 03:51:15,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:15,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 03:51:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 03:51:16,345 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-30 03:51:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 03:51:16,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-30 03:51:16,670 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-30 03:51:16,671 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-08-30 03:51:16,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-08-30 03:51:16,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-08-30 03:51:16,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-08-30 03:51:16,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-30 03:51:16,683 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 03:51:16,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 03:51:16 BoogieIcfgContainer [2021-08-30 03:51:16,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 03:51:16,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 03:51:16,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 03:51:16,917 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 03:51:16,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:51:07" (3/4) ... [2021-08-30 03:51:16,919 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-30 03:51:16,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 03:51:16,919 INFO L158 Benchmark]: Toolchain (without parser) took 12681.24ms. Allocated memory was 58.7MB in the beginning and 417.3MB in the end (delta: 358.6MB). Free memory was 29.5MB in the beginning and 274.8MB in the end (delta: -245.3MB). Peak memory consumption was 111.7MB. Max. memory is 16.1GB. [2021-08-30 03:51:16,919 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 03:51:16,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.07ms. Allocated memory was 58.7MB in the beginning and 113.2MB in the end (delta: 54.5MB). Free memory was 29.4MB in the beginning and 65.9MB in the end (delta: -36.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-08-30 03:51:16,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.87ms. Allocated memory is still 113.2MB. Free memory was 65.4MB in the beginning and 47.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-30 03:51:16,920 INFO L158 Benchmark]: Boogie Preprocessor took 158.91ms. Allocated memory is still 113.2MB. Free memory was 47.6MB in the beginning and 50.9MB in the end (delta: -3.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-08-30 03:51:16,920 INFO L158 Benchmark]: RCFGBuilder took 1620.37ms. Allocated memory was 113.2MB in the beginning and 262.1MB in the end (delta: 148.9MB). Free memory was 50.9MB in the beginning and 139.7MB in the end (delta: -88.8MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2021-08-30 03:51:16,921 INFO L158 Benchmark]: TraceAbstraction took 9364.04ms. Allocated memory was 262.1MB in the beginning and 417.3MB in the end (delta: 155.2MB). Free memory was 139.7MB in the beginning and 274.8MB in the end (delta: -135.1MB). Peak memory consumption was 196.2MB. Max. memory is 16.1GB. [2021-08-30 03:51:16,921 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 417.3MB. Free memory is still 274.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 03:51:16,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.07ms. Allocated memory was 58.7MB in the beginning and 113.2MB in the end (delta: 54.5MB). Free memory was 29.4MB in the beginning and 65.9MB in the end (delta: -36.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.87ms. Allocated memory is still 113.2MB. Free memory was 65.4MB in the beginning and 47.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.91ms. Allocated memory is still 113.2MB. Free memory was 47.6MB in the beginning and 50.9MB in the end (delta: -3.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1620.37ms. Allocated memory was 113.2MB in the beginning and 262.1MB in the end (delta: 148.9MB). Free memory was 50.9MB in the beginning and 139.7MB in the end (delta: -88.8MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9364.04ms. Allocated memory was 262.1MB in the beginning and 417.3MB in the end (delta: 155.2MB). Free memory was 139.7MB in the beginning and 274.8MB in the end (delta: -135.1MB). Peak memory consumption was 196.2MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 417.3MB. Free memory is still 274.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5883, overapproximation of bitwiseAnd at line 6549. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] 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}; [L6027-L6029] 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}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6032] int tmp ; [L6691] return __VERIFIER_nondet_int(); [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6159] void *tmp ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6269] ldv_state_variable_3 = 1 [L6122] void *tmp ; [L6123] void *tmp___0 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6408] COND TRUE ldv_state_variable_3 == 1 [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L4065] COND FALSE !((unsigned long )dev != (unsigned long )((struct device *)0)) [L4069] tmp = (struct spi_device *)0 VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L5557] default: VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] [L3987] reach_error() VAL [__this_module={159987531777:159987531778}, hrsl_to_error={118:0}, 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={139:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={93:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={131:0}, ref_cnt=0] - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 606 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9076.59ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 36.74ms, AutomataDifference: 7436.82ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 16.12ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2193 SdHoareTripleChecker+Valid, 7012.82ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2193 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 5748.09ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2501 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6687 IncrementalHoareTripleChecker+Invalid, 6712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 9 mSDtfsCounter, 6687 mSolverCounterSat, 21.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.58ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1322occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 159.42ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1198 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 52.66ms SsaConstructionTime, 594.34ms SatisfiabilityAnalysisTime, 285.55ms InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-30 03:51:16,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 03:51:18,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 03:51:18,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 03:51:18,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 03:51:18,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 03:51:18,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 03:51:18,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 03:51:18,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 03:51:18,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 03:51:18,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 03:51:18,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 03:51:18,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 03:51:18,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 03:51:18,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 03:51:18,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 03:51:18,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 03:51:18,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 03:51:18,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 03:51:18,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 03:51:18,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 03:51:18,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 03:51:18,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 03:51:18,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 03:51:18,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 03:51:18,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 03:51:18,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 03:51:18,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 03:51:18,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 03:51:18,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 03:51:18,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 03:51:18,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 03:51:18,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 03:51:18,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 03:51:18,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 03:51:18,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 03:51:18,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 03:51:18,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 03:51:18,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 03:51:18,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 03:51:18,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 03:51:18,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 03:51:18,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-08-30 03:51:18,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 03:51:18,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 03:51:18,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 03:51:18,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 03:51:18,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 03:51:18,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 03:51:18,709 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 03:51:18,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 03:51:18,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 03:51:18,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 03:51:18,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 03:51:18,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 03:51:18,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 03:51:18,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 03:51:18,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 03:51:18,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 03:51:18,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 03:51:18,714 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e08c7abd7036b355ca3bf6867bde70f508f01ffc [2021-08-30 03:51:18,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 03:51:19,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 03:51:19,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 03:51:19,006 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 03:51:19,006 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 03:51:19,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-08-30 03:51:19,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5eec40a5/fb6071d48c7b4f5cad0f2558b1097659/FLAG535481f02 [2021-08-30 03:51:19,637 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 03:51:19,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-08-30 03:51:19,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5eec40a5/fb6071d48c7b4f5cad0f2558b1097659/FLAG535481f02 [2021-08-30 03:51:19,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5eec40a5/fb6071d48c7b4f5cad0f2558b1097659 [2021-08-30 03:51:19,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 03:51:19,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 03:51:19,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 03:51:19,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 03:51:19,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 03:51:19,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:51:19" (1/1) ... [2021-08-30 03:51:19,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49accccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:19, skipping insertion in model container [2021-08-30 03:51:19,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 03:51:19" (1/1) ... [2021-08-30 03:51:19,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 03:51:19,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 03:51:20,257 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-08-30 03:51:20,257 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-08-30 03:51:20,411 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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[111905,111918] [2021-08-30 03:51:20,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 03:51:20,791 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 03:51:20,852 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-08-30 03:51:20,853 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-08-30 03:51:20,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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[111905,111918] [2021-08-30 03:51:21,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 03:51:21,097 INFO L208 MainTranslator]: Completed translation [2021-08-30 03:51:21,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21 WrapperNode [2021-08-30 03:51:21,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 03:51:21,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 03:51:21,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 03:51:21,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 03:51:21,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 03:51:21,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 03:51:21,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 03:51:21,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 03:51:21,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 03:51:21,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 03:51:21,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 03:51:21,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 03:51:21,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (1/1) ... [2021-08-30 03:51:21,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 03:51:21,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 03:51:21,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-30 03:51:21,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-30 03:51:21,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 03:51:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 03:51:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 03:51:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-08-30 03:51:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 03:51:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 03:51:23,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 03:51:23,327 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2021-08-30 03:51:23,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:51:23 BoogieIcfgContainer [2021-08-30 03:51:23,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 03:51:23,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 03:51:23,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 03:51:23,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 03:51:23,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 03:51:19" (1/3) ... [2021-08-30 03:51:23,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acc8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:51:23, skipping insertion in model container [2021-08-30 03:51:23,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 03:51:21" (2/3) ... [2021-08-30 03:51:23,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acc8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 03:51:23, skipping insertion in model container [2021-08-30 03:51:23,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:51:23" (3/3) ... [2021-08-30 03:51:23,335 INFO L111 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 [2021-08-30 03:51:23,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 03:51:23,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-30 03:51:23,394 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 03:51:23,398 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-30 03:51:23,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-30 03:51:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 601 states have (on average 1.4276206322795342) internal successors, (858), 605 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-30 03:51:23,465 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:23,466 INFO L513 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] [2021-08-30 03:51:23,466 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:23,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:23,470 INFO L82 PathProgramCache]: Analyzing trace with hash -345089639, now seen corresponding path program 1 times [2021-08-30 03:51:23,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 03:51:23,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128369869] [2021-08-30 03:51:23,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:23,483 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 03:51:23,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 03:51:23,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 03:51:23,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-30 03:51:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:24,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 03:51:24,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 03:51:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 03:51:24,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 03:51:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 03:51:24,332 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 03:51:24,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128369869] [2021-08-30 03:51:24,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128369869] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:24,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:24,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-30 03:51:24,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400997567] [2021-08-30 03:51:24,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:51:24,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 03:51:24,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:51:24,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:24,361 INFO L87 Difference]: Start difference. First operand has 606 states, 601 states have (on average 1.4276206322795342) internal successors, (858), 605 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:26,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:51:29,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:51:37,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:51:37,097 INFO L93 Difference]: Finished difference Result 1648 states and 2342 transitions. [2021-08-30 03:51:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:51:37,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-08-30 03:51:37,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:51:37,134 INFO L225 Difference]: With dead ends: 1648 [2021-08-30 03:51:37,134 INFO L226 Difference]: Without dead ends: 1018 [2021-08-30 03:51:37,141 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:37,146 INFO L928 BasicCegarLoop]: 9 mSDtfsCounter, 624 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 1650 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12088.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.02ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1650 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12631.11ms IncrementalHoareTripleChecker+Time [2021-08-30 03:51:37,149 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 18 Invalid, 1652 Unknown, 0 Unchecked, 8.02ms Time], IncrementalHoareTripleChecker [1 Valid, 1650 Invalid, 1 Unknown, 0 Unchecked, 12631.11ms Time] [2021-08-30 03:51:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-08-30 03:51:37,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1014. [2021-08-30 03:51:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1010 states have (on average 1.4) internal successors, (1414), 1013 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1414 transitions. [2021-08-30 03:51:37,301 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1414 transitions. Word has length 30 [2021-08-30 03:51:37,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:51:37,301 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1414 transitions. [2021-08-30 03:51:37,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1414 transitions. [2021-08-30 03:51:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-30 03:51:37,322 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:37,322 INFO L513 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] [2021-08-30 03:51:37,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-30 03:51:37,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 03:51:37,535 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:37,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:37,535 INFO L82 PathProgramCache]: Analyzing trace with hash -501809799, now seen corresponding path program 1 times [2021-08-30 03:51:37,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 03:51:37,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132247051] [2021-08-30 03:51:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:37,537 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 03:51:37,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 03:51:37,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 03:51:37,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-30 03:51:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:38,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 03:51:38,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 03:51:38,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 03:51:38,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 03:51:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 03:51:38,266 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 03:51:38,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132247051] [2021-08-30 03:51:38,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132247051] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:38,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:38,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-30 03:51:38,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869843231] [2021-08-30 03:51:38,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:51:38,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 03:51:38,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:51:38,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:38,268 INFO L87 Difference]: Start difference. First operand 1014 states and 1414 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:40,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:51:43,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:51:44,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:51:46,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:51:52,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:51:52,617 INFO L93 Difference]: Finished difference Result 2320 states and 3238 transitions. [2021-08-30 03:51:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:51:52,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-08-30 03:51:52,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:51:52,622 INFO L225 Difference]: With dead ends: 2320 [2021-08-30 03:51:52,623 INFO L226 Difference]: Without dead ends: 1336 [2021-08-30 03:51:52,624 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:51:52,625 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 291 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13590.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.13ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14223.73ms IncrementalHoareTripleChecker+Time [2021-08-30 03:51:52,625 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 0 Invalid, 1758 Unknown, 0 Unchecked, 8.13ms Time], IncrementalHoareTripleChecker [1 Valid, 1756 Invalid, 1 Unknown, 0 Unchecked, 14223.73ms Time] [2021-08-30 03:51:52,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-08-30 03:51:52,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1322. [2021-08-30 03:51:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1318 states have (on average 1.3975720789074355) internal successors, (1842), 1321 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1842 transitions. [2021-08-30 03:51:52,669 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1842 transitions. Word has length 40 [2021-08-30 03:51:52,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:51:52,669 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1842 transitions. [2021-08-30 03:51:52,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1842 transitions. [2021-08-30 03:51:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-30 03:51:52,671 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:51:52,672 INFO L513 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] [2021-08-30 03:51:52,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-30 03:51:52,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 03:51:52,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:51:52,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:51:52,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1114337862, now seen corresponding path program 1 times [2021-08-30 03:51:52,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 03:51:52,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297046643] [2021-08-30 03:51:52,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:51:52,886 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 03:51:52,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 03:51:52,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 03:51:52,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-30 03:51:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:51:53,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-30 03:51:53,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 03:51:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:51:53,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 03:51:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:51:53,643 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 03:51:53,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297046643] [2021-08-30 03:51:53,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297046643] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 03:51:53,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:51:53,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-30 03:51:53,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774666608] [2021-08-30 03:51:53,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-30 03:51:53,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 03:51:53,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-30 03:51:53,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-30 03:51:53,644 INFO L87 Difference]: Start difference. First operand 1322 states and 1842 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:51:55,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:04,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:07,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:09,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:10,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:12,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:14,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:15,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:30,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:32,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:35,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:36,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:41,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:48,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:52:59,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:00,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:02,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:08,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:14,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:15,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:53:23,923 INFO L93 Difference]: Finished difference Result 9562 states and 13482 transitions. [2021-08-30 03:53:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-30 03:53:23,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-08-30 03:53:23,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:53:23,950 INFO L225 Difference]: With dead ends: 9562 [2021-08-30 03:53:23,950 INFO L226 Difference]: Without dead ends: 8270 [2021-08-30 03:53:23,953 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 112.82ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-30 03:53:23,954 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 5547 mSDsluCounter, 8587 mSDsCounter, 0 mSdLazyCounter, 10794 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85380.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.62ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 10794 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89586.62ms IncrementalHoareTripleChecker+Time [2021-08-30 03:53:23,954 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [5547 Valid, 0 Invalid, 10808 Unknown, 0 Unchecked, 55.62ms Time], IncrementalHoareTripleChecker [12 Valid, 10794 Invalid, 2 Unknown, 0 Unchecked, 89586.62ms Time] [2021-08-30 03:53:23,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8270 states. [2021-08-30 03:53:24,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8270 to 1330. [2021-08-30 03:53:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1326 states have (on average 1.3951734539969833) internal successors, (1850), 1329 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1850 transitions. [2021-08-30 03:53:24,072 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1850 transitions. Word has length 48 [2021-08-30 03:53:24,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:53:24,073 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1850 transitions. [2021-08-30 03:53:24,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1850 transitions. [2021-08-30 03:53:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-30 03:53:24,076 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:53:24,076 INFO L513 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] [2021-08-30 03:53:24,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-30 03:53:24,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 03:53:24,313 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:53:24,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:53:24,315 INFO L82 PathProgramCache]: Analyzing trace with hash -155622078, now seen corresponding path program 1 times [2021-08-30 03:53:24,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 03:53:24,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642847607] [2021-08-30 03:53:24,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:53:24,316 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 03:53:24,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 03:53:24,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 03:53:24,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-30 03:53:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:53:24,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 03:53:24,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 03:53:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:53:25,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 03:53:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:53:25,174 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 03:53:25,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [642847607] [2021-08-30 03:53:25,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [642847607] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 03:53:25,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:53:25,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-30 03:53:25,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371246103] [2021-08-30 03:53:25,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:53:25,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 03:53:25,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:53:25,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:53:25,180 INFO L87 Difference]: Start difference. First operand 1330 states and 1850 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:27,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:31,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:32,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:33,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:38,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:53:38,575 INFO L93 Difference]: Finished difference Result 1330 states and 1850 transitions. [2021-08-30 03:53:38,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:53:38,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-08-30 03:53:38,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:53:38,581 INFO L225 Difference]: With dead ends: 1330 [2021-08-30 03:53:38,581 INFO L226 Difference]: Without dead ends: 1326 [2021-08-30 03:53:38,581 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:53:38,582 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 463 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12810.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.96ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13322.44ms IncrementalHoareTripleChecker+Time [2021-08-30 03:53:38,582 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [463 Valid, 0 Invalid, 1100 Unknown, 0 Unchecked, 2.96ms Time], IncrementalHoareTripleChecker [12 Valid, 1087 Invalid, 1 Unknown, 0 Unchecked, 13322.44ms Time] [2021-08-30 03:53:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2021-08-30 03:53:38,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2021-08-30 03:53:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1324 states have (on average 1.392749244712991) internal successors, (1844), 1325 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1844 transitions. [2021-08-30 03:53:38,646 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1844 transitions. Word has length 54 [2021-08-30 03:53:38,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:53:38,647 INFO L470 AbstractCegarLoop]: Abstraction has 1326 states and 1844 transitions. [2021-08-30 03:53:38,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1844 transitions. [2021-08-30 03:53:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-30 03:53:38,649 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:53:38,649 INFO L513 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] [2021-08-30 03:53:38,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-08-30 03:53:38,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 03:53:38,865 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:53:38,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:53:38,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1653029978, now seen corresponding path program 1 times [2021-08-30 03:53:38,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 03:53:38,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601891372] [2021-08-30 03:53:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:53:38,867 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 03:53:38,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 03:53:38,869 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 03:53:38,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-30 03:53:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 03:53:39,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 03:53:39,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 03:53:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:53:39,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 03:53:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 03:53:39,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 03:53:39,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601891372] [2021-08-30 03:53:39,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601891372] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 03:53:39,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 03:53:39,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-08-30 03:53:39,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667750389] [2021-08-30 03:53:39,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 03:53:39,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 03:53:39,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 03:53:39,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:53:39,653 INFO L87 Difference]: Start difference. First operand 1326 states and 1844 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:41,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:46,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:48,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 03:53:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 03:53:57,141 INFO L93 Difference]: Finished difference Result 3814 states and 5332 transitions. [2021-08-30 03:53:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 03:53:57,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-30 03:53:57,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 03:53:57,147 INFO L225 Difference]: With dead ends: 3814 [2021-08-30 03:53:57,147 INFO L226 Difference]: Without dead ends: 2518 [2021-08-30 03:53:57,148 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 03:53:57,149 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 747 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16569.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.94ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17356.16ms IncrementalHoareTripleChecker+Time [2021-08-30 03:53:57,149 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [747 Valid, 0 Invalid, 2261 Unknown, 0 Unchecked, 4.94ms Time], IncrementalHoareTripleChecker [9 Valid, 2251 Invalid, 1 Unknown, 0 Unchecked, 17356.16ms Time] [2021-08-30 03:53:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-08-30 03:53:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1330. [2021-08-30 03:53:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1328 states have (on average 1.3885542168674698) internal successors, (1844), 1329 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1844 transitions. [2021-08-30 03:53:57,243 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1844 transitions. Word has length 58 [2021-08-30 03:53:57,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 03:53:57,243 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1844 transitions. [2021-08-30 03:53:57,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 03:53:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1844 transitions. [2021-08-30 03:53:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-30 03:53:57,259 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 03:53:57,259 INFO L513 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] [2021-08-30 03:53:57,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-30 03:53:57,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 03:53:57,471 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-30 03:53:57,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 03:53:57,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1260002968, now seen corresponding path program 1 times [2021-08-30 03:53:57,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 03:53:57,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093364289] [2021-08-30 03:53:57,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 03:53:57,473 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 03:53:57,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 03:53:57,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 03:53:57,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-30 03:54:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 03:54:47,675 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-30 03:55:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 03:55:29,915 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-30 03:55:29,916 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-30 03:55:29,917 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-08-30 03:55:29,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-08-30 03:55:29,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-08-30 03:55:29,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-08-30 03:55:30,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-30 03:55:30,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 03:55:30,130 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 03:55:30,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 03:55:30 BoogieIcfgContainer [2021-08-30 03:55:30,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 03:55:30,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 03:55:30,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 03:55:30,322 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 03:55:30,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 03:51:23" (3/4) ... [2021-08-30 03:55:30,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-30 03:55:30,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 03:55:30,326 INFO L158 Benchmark]: Toolchain (without parser) took 250528.07ms. Allocated memory was 73.4MB in the beginning and 371.2MB in the end (delta: 297.8MB). Free memory was 52.1MB in the beginning and 93.1MB in the end (delta: -41.0MB). Peak memory consumption was 255.9MB. Max. memory is 16.1GB. [2021-08-30 03:55:30,326 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 03:55:30,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1297.81ms. Allocated memory was 73.4MB in the beginning and 130.0MB in the end (delta: 56.6MB). Free memory was 51.8MB in the beginning and 87.7MB in the end (delta: -35.8MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-08-30 03:55:30,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.55ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 70.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-30 03:55:30,327 INFO L158 Benchmark]: Boogie Preprocessor took 130.20ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 53.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-30 03:55:30,328 INFO L158 Benchmark]: RCFGBuilder took 1924.38ms. Allocated memory was 130.0MB in the beginning and 371.2MB in the end (delta: 241.2MB). Free memory was 53.4MB in the beginning and 159.9MB in the end (delta: -106.5MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. [2021-08-30 03:55:30,329 INFO L158 Benchmark]: TraceAbstraction took 246990.17ms. Allocated memory is still 371.2MB. Free memory was 158.8MB in the beginning and 93.1MB in the end (delta: 65.7MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-08-30 03:55:30,329 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 371.2MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 03:55:30,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1297.81ms. Allocated memory was 73.4MB in the beginning and 130.0MB in the end (delta: 56.6MB). Free memory was 51.8MB in the beginning and 87.7MB in the end (delta: -35.8MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.55ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 70.2MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.20ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 53.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1924.38ms. Allocated memory was 130.0MB in the beginning and 371.2MB in the end (delta: 241.2MB). Free memory was 53.4MB in the beginning and 159.9MB in the end (delta: -106.5MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. * TraceAbstraction took 246990.17ms. Allocated memory is still 371.2MB. Free memory was 158.8MB in the beginning and 93.1MB in the end (delta: 65.7MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 371.2MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5883. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] 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}; [L6027-L6029] 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}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6032] int tmp ; [L6691] return __VERIFIER_nondet_int(); [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6159] void *tmp ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6269] ldv_state_variable_3 = 1 [L6122] void *tmp ; [L6123] void *tmp___0 ; [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6408] COND TRUE ldv_state_variable_3 == 1 [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L4065] COND FALSE !((unsigned long )dev != (unsigned long )((struct device *)0)) [L4069] tmp = (struct spi_device *)0 VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L5557] default: VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] 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={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] [L3987] reach_error() VAL [__this_module={0:0}, hrsl_to_error={-1073476939:0}, 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={-1870643197:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={-1878783044:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={-1212418953:0}, ref_cnt=0] - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 606 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 246736.27ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 63.67ms, AutomataDifference: 148383.16ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 29.04ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 7672 SdHoareTripleChecker+Valid, 147120.06ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7672 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 140439.11ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11149 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17538 IncrementalHoareTripleChecker+Invalid, 17579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 9 mSDtfsCounter, 17538 mSolverCounterSat, 79.67ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 128.24ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1330occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 459.05ms AutomataMinimizationTime, 5 MinimizatonAttempts, 8146 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 382.56ms SsaConstructionTime, 51436.57ms SatisfiabilityAnalysisTime, 1365.66ms InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 735 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3532 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-30 03:55:30,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...