./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 5f08f0f0 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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 16:52:25,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 16:52:25,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 16:52:25,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 16:52:25,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 16:52:25,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 16:52:25,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 16:52:25,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 16:52:26,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 16:52:26,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 16:52:26,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 16:52:26,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 16:52:26,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 16:52:26,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 16:52:26,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 16:52:26,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 16:52:26,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 16:52:26,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 16:52:26,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 16:52:26,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 16:52:26,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 16:52:26,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 16:52:26,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 16:52:26,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 16:52:26,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 16:52:26,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 16:52:26,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 16:52:26,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 16:52:26,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 16:52:26,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 16:52:26,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 16:52:26,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 16:52:26,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 16:52:26,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 16:52:26,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 16:52:26,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 16:52:26,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 16:52:26,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 16:52:26,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 16:52:26,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 16:52:26,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 16:52:26,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 16:52:26,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 16:52:26,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 16:52:26,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 16:52:26,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 16:52:26,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 16:52:26,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 16:52:26,070 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 16:52:26,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 16:52:26,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 16:52:26,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 16:52:26,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 16:52:26,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 16:52:26,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 16:52:26,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 16:52:26,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 16:52:26,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 16:52:26,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 16:52:26,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 16:52:26,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 16:52:26,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:52:26,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 16:52:26,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 16:52:26,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 16:52:26,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 16:52:26,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 16:52:26,073 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 16:52:26,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 16:52:26,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 16:52:26,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 16:52:26,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2021-11-05 16:52:26,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 16:52:26,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 16:52:26,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 16:52:26,399 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 16:52:26,400 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 16:52:26,401 INFO L432 ainManager$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 [2021-11-05 16:52:26,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14068a074/2f2c0c2bb5984195b215a708cb6ccb05/FLAGbae538d99 [2021-11-05 16:52:26,989 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 16:52:26,989 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 [2021-11-05 16:52:27,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14068a074/2f2c0c2bb5984195b215a708cb6ccb05/FLAGbae538d99 [2021-11-05 16:52:27,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14068a074/2f2c0c2bb5984195b215a708cb6ccb05 [2021-11-05 16:52:27,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 16:52:27,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 16:52:27,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 16:52:27,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 16:52:27,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 16:52:27,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:52:27" (1/1) ... [2021-11-05 16:52:27,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fef9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:27, skipping insertion in model container [2021-11-05 16:52:27,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:52:27" (1/1) ... [2021-11-05 16:52:27,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 16:52:27,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 16:52:27,611 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-05 16:52:27,612 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-05 16:52:27,801 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] [2021-11-05 16:52:28,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:52:28,211 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 16:52:28,269 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-05 16:52:28,269 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-05 16:52:28,290 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] [2021-11-05 16:52:28,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:52:28,461 INFO L208 MainTranslator]: Completed translation [2021-11-05 16:52:28,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28 WrapperNode [2021-11-05 16:52:28,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 16:52:28,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 16:52:28,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 16:52:28,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 16:52:28,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 16:52:28,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 16:52:28,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 16:52:28,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 16:52:28,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 16:52:28,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 16:52:28,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 16:52:28,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 16:52:28,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (1/1) ... [2021-11-05 16:52:28,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:52:28,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 16:52:28,882 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) [2021-11-05 16:52:28,923 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 [2021-11-05 16:52:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 16:52:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 16:52:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-05 16:52:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 16:52:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 16:52:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 16:52:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 16:52:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 16:52:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 16:52:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 16:52:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 16:52:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 16:52:31,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 16:52:31,273 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2021-11-05 16:52:31,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:52:31 BoogieIcfgContainer [2021-11-05 16:52:31,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 16:52:31,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 16:52:31,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 16:52:31,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 16:52:31,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 04:52:27" (1/3) ... [2021-11-05 16:52:31,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551ce400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:52:31, skipping insertion in model container [2021-11-05 16:52:31,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:28" (2/3) ... [2021-11-05 16:52:31,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551ce400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:52:31, skipping insertion in model container [2021-11-05 16:52:31,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:52:31" (3/3) ... [2021-11-05 16:52:31,279 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 [2021-11-05 16:52:31,283 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 16:52:31,283 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-05 16:52:31,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 16:52:31,316 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-11-05 16:52:31,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-05 16:52:31,331 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) [2021-11-05 16:52:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-05 16:52:31,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:31,339 INFO L514 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] [2021-11-05 16:52:31,339 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)] === [2021-11-05 16:52:31,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:31,343 INFO L85 PathProgramCache]: Analyzing trace with hash -345089639, now seen corresponding path program 1 times [2021-11-05 16:52:31,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:52:31,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405025497] [2021-11-05 16:52:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:31,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:52:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:52:31,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:52:31,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405025497] [2021-11-05 16:52:31,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405025497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:31,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:31,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:52:31,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169022928] [2021-11-05 16:52:31,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:31,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:31,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:52:31,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:31,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:31,772 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) [2021-11-05 16:52:31,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:31,889 INFO L93 Difference]: Finished difference Result 1648 states and 2342 transitions. [2021-11-05 16:52:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:31,891 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 [2021-11-05 16:52:31,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:31,903 INFO L225 Difference]: With dead ends: 1648 [2021-11-05 16:52:31,903 INFO L226 Difference]: Without dead ends: 1018 [2021-11-05 16:52:31,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:31,909 INFO L933 BasicCegarLoop]: 835 mSDtfsCounter, 655 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.33ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.00ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:31,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 1629 Invalid, 11 Unknown, 0 Unchecked, 7.33ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 53.00ms Time] [2021-11-05 16:52:31,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-11-05 16:52:31,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1014. [2021-11-05 16:52:31,984 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) [2021-11-05 16:52:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1414 transitions. [2021-11-05 16:52:31,988 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1414 transitions. Word has length 30 [2021-11-05 16:52:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:31,988 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1414 transitions. [2021-11-05 16:52:31,989 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) [2021-11-05 16:52:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1414 transitions. [2021-11-05 16:52:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-05 16:52:31,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:31,996 INFO L514 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] [2021-11-05 16:52:31,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 16:52:31,996 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)] === [2021-11-05 16:52:31,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:31,998 INFO L85 PathProgramCache]: Analyzing trace with hash -501809799, now seen corresponding path program 1 times [2021-11-05 16:52:31,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:52:31,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561208773] [2021-11-05 16:52:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:31,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:52:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:52:32,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:52:32,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561208773] [2021-11-05 16:52:32,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561208773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:32,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:32,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:52:32,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418763737] [2021-11-05 16:52:32,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:32,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:32,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:52:32,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:32,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:32,174 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) [2021-11-05 16:52:32,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:32,309 INFO L93 Difference]: Finished difference Result 2320 states and 3238 transitions. [2021-11-05 16:52:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:32,309 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 [2021-11-05 16:52:32,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:32,314 INFO L225 Difference]: With dead ends: 2320 [2021-11-05 16:52:32,314 INFO L226 Difference]: Without dead ends: 1336 [2021-11-05 16:52:32,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:32,320 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 322 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.76ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101.21ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:32,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 1651 Invalid, 77 Unknown, 0 Unchecked, 3.76ms Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 101.21ms Time] [2021-11-05 16:52:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-11-05 16:52:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1322. [2021-11-05 16:52:32,346 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) [2021-11-05 16:52:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1842 transitions. [2021-11-05 16:52:32,349 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1842 transitions. Word has length 40 [2021-11-05 16:52:32,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:32,349 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1842 transitions. [2021-11-05 16:52:32,350 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) [2021-11-05 16:52:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1842 transitions. [2021-11-05 16:52:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-05 16:52:32,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:32,355 INFO L514 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] [2021-11-05 16:52:32,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 16:52:32,356 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)] === [2021-11-05 16:52:32,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:32,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1114337862, now seen corresponding path program 1 times [2021-11-05 16:52:32,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:52:32,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741982136] [2021-11-05 16:52:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:32,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:52:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:32,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:52:32,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741982136] [2021-11-05 16:52:32,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741982136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:32,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:32,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 16:52:32,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205211490] [2021-11-05 16:52:32,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:32,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:32,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:52:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:32,460 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) [2021-11-05 16:52:32,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:32,497 INFO L93 Difference]: Finished difference Result 1322 states and 1842 transitions. [2021-11-05 16:52:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:32,498 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 [2021-11-05 16:52:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:32,502 INFO L225 Difference]: With dead ends: 1322 [2021-11-05 16:52:32,502 INFO L226 Difference]: Without dead ends: 1318 [2021-11-05 16:52:32,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:32,503 INFO L933 BasicCegarLoop]: 804 mSDtfsCounter, 469 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.67ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:32,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 1071 Invalid, 29 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [12 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 20.67ms Time] [2021-11-05 16:52:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2021-11-05 16:52:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2021-11-05 16:52:32,542 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) [2021-11-05 16:52:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1836 transitions. [2021-11-05 16:52:32,545 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1836 transitions. Word has length 48 [2021-11-05 16:52:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:32,545 INFO L470 AbstractCegarLoop]: Abstraction has 1318 states and 1836 transitions. [2021-11-05 16:52:32,545 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) [2021-11-05 16:52:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1836 transitions. [2021-11-05 16:52:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-05 16:52:32,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:32,547 INFO L514 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] [2021-11-05 16:52:32,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 16:52:32,548 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)] === [2021-11-05 16:52:32,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:32,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1653029978, now seen corresponding path program 1 times [2021-11-05 16:52:32,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:52:32,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626075148] [2021-11-05 16:52:32,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:32,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:52:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:32,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:52:32,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626075148] [2021-11-05 16:52:32,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626075148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:32,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:32,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:52:32,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90717996] [2021-11-05 16:52:32,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:32,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:32,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:52:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:32,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:32,620 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) [2021-11-05 16:52:32,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:32,681 INFO L93 Difference]: Finished difference Result 3790 states and 5308 transitions. [2021-11-05 16:52:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:32,682 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 [2021-11-05 16:52:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:32,689 INFO L225 Difference]: With dead ends: 3790 [2021-11-05 16:52:32,689 INFO L226 Difference]: Without dead ends: 2502 [2021-11-05 16:52:32,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:32,692 INFO L933 BasicCegarLoop]: 1497 mSDtfsCounter, 747 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 2235 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.67ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.48ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:32,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [747 Valid, 2235 Invalid, 27 Unknown, 0 Unchecked, 2.67ms Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 20.48ms Time] [2021-11-05 16:52:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-11-05 16:52:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 1322. [2021-11-05 16:52:32,722 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) [2021-11-05 16:52:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1836 transitions. [2021-11-05 16:52:32,724 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1836 transitions. Word has length 58 [2021-11-05 16:52:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:32,725 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1836 transitions. [2021-11-05 16:52:32,725 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) [2021-11-05 16:52:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1836 transitions. [2021-11-05 16:52:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-05 16:52:32,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:32,727 INFO L514 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] [2021-11-05 16:52:32,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 16:52:32,727 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)] === [2021-11-05 16:52:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1260002968, now seen corresponding path program 1 times [2021-11-05 16:52:32,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:52:32,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671635210] [2021-11-05 16:52:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:32,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:52:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-05 16:52:33,005 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-05 16:52:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-05 16:52:33,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-05 16:52:33,283 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-05 16:52:33,284 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-05 16:52:33,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-05 16:52:33,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-05 16:52:33,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-05 16:52:33,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 16:52:33,287 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-05 16:52:33,289 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-05 16:52:33,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 04:52:33 BoogieIcfgContainer [2021-11-05 16:52:33,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-05 16:52:33,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-05 16:52:33,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-05 16:52:33,487 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-05 16:52:33,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:52:31" (3/4) ... [2021-11-05 16:52:33,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-05 16:52:33,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-05 16:52:33,491 INFO L158 Benchmark]: Toolchain (without parser) took 6292.94ms. Allocated memory was 69.2MB in the beginning and 377.5MB in the end (delta: 308.3MB). Free memory was 42.0MB in the beginning and 275.8MB in the end (delta: -233.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2021-11-05 16:52:33,491 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-05 16:52:33,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1261.01ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.8MB in the beginning and 45.2MB in the end (delta: -3.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-11-05 16:52:33,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.95ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 45.2MB in the beginning and 68.7MB in the end (delta: -23.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-05 16:52:33,492 INFO L158 Benchmark]: Boogie Preprocessor took 162.71ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 52.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-05 16:52:33,492 INFO L158 Benchmark]: RCFGBuilder took 2449.29ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 52.9MB in the beginning and 55.7MB in the end (delta: -2.8MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2021-11-05 16:52:33,493 INFO L158 Benchmark]: TraceAbstraction took 2211.17ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 55.7MB in the beginning and 275.8MB in the end (delta: -220.1MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2021-11-05 16:52:33,494 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 377.5MB. Free memory is still 275.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-05 16:52:33,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1261.01ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.8MB in the beginning and 45.2MB in the end (delta: -3.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.95ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 45.2MB in the beginning and 68.7MB in the end (delta: -23.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.71ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 52.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2449.29ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 52.9MB in the beginning and 55.7MB in the end (delta: -2.8MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2211.17ms. Allocated memory was 167.8MB in the beginning and 377.5MB in the end (delta: 209.7MB). Free memory was 55.7MB in the beginning and 275.8MB in the end (delta: -220.1MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 377.5MB. Free memory is still 275.8MB. 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L4065] COND FALSE !((unsigned long )dev != (unsigned long )((struct device *)0)) [L4069] tmp = (struct spi_device *)0 VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L5557] default: VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, ref_cnt=0] [L3987] reach_error() VAL [__this_module={163208757249:163208757250}, hrsl_to_error={122:0}, 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={142:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={96:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={134:0}, 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: 1976.91ms, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 24.68ms, AutomataDifference: 441.74ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 10.47ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2193 SdHoareTripleChecker+Valid, 195.36ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2193 mSDsluCounter, 6586 SdHoareTripleChecker+Invalid, 164.27ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2501 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 4085 mSDtfsCounter, 119 mSolverCounterSat, 15.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.63ms 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: 166.96ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1198 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.62ms SsaConstructionTime, 528.24ms SatisfiabilityAnalysisTime, 329.05ms 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 [2021-11-05 16:52:33,550 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 16:52:35,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 16:52:35,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 16:52:35,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 16:52:35,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 16:52:35,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 16:52:35,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 16:52:35,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 16:52:35,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 16:52:35,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 16:52:35,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 16:52:35,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 16:52:35,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 16:52:35,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 16:52:35,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 16:52:35,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 16:52:35,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 16:52:35,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 16:52:35,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 16:52:35,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 16:52:35,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 16:52:35,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 16:52:35,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 16:52:35,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 16:52:35,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 16:52:35,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 16:52:35,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 16:52:35,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 16:52:35,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 16:52:35,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 16:52:35,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 16:52:35,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 16:52:35,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 16:52:35,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 16:52:35,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 16:52:35,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 16:52:35,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 16:52:35,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 16:52:35,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 16:52:35,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 16:52:35,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 16:52:35,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-05 16:52:35,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 16:52:35,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 16:52:35,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 16:52:35,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 16:52:35,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 16:52:35,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 16:52:35,268 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 16:52:35,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 16:52:35,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 16:52:35,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 16:52:35,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 16:52:35,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 16:52:35,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-05 16:52:35,269 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-05 16:52:35,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 16:52:35,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 16:52:35,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 16:52:35,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 16:52:35,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 16:52:35,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 16:52:35,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:52:35,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 16:52:35,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 16:52:35,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 16:52:35,271 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-05 16:52:35,271 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-05 16:52:35,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 16:52:35,272 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 16:52:35,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 16:52:35,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 16:52:35,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-05 16:52:35,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2021-11-05 16:52:35,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 16:52:35,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 16:52:35,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 16:52:35,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 16:52:35,544 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 16:52:35,546 INFO L432 ainManager$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 [2021-11-05 16:52:35,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42e584dd/b573f3da3b47400bace4eae405081e19/FLAG9c942c355 [2021-11-05 16:52:36,189 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 16:52:36,190 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 [2021-11-05 16:52:36,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42e584dd/b573f3da3b47400bace4eae405081e19/FLAG9c942c355 [2021-11-05 16:52:36,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42e584dd/b573f3da3b47400bace4eae405081e19 [2021-11-05 16:52:36,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 16:52:36,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 16:52:36,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 16:52:36,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 16:52:36,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 16:52:36,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:52:36" (1/1) ... [2021-11-05 16:52:36,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da9e3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:36, skipping insertion in model container [2021-11-05 16:52:36,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:52:36" (1/1) ... [2021-11-05 16:52:36,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 16:52:36,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 16:52:36,883 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-05 16:52:36,888 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-05 16:52:37,012 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] [2021-11-05 16:52:37,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:52:37,446 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 16:52:37,543 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-05 16:52:37,545 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-05 16:52:37,561 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] [2021-11-05 16:52:37,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:52:37,789 INFO L208 MainTranslator]: Completed translation [2021-11-05 16:52:37,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37 WrapperNode [2021-11-05 16:52:37,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 16:52:37,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 16:52:37,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 16:52:37,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 16:52:37,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:37,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 16:52:37,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 16:52:37,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 16:52:37,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 16:52:37,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:37,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 16:52:38,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 16:52:38,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 16:52:38,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 16:52:38,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (1/1) ... [2021-11-05 16:52:38,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:52:38,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 16:52:38,246 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) [2021-11-05 16:52:38,254 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 [2021-11-05 16:52:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-05 16:52:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-05 16:52:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-05 16:52:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-05 16:52:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 16:52:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-05 16:52:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 16:52:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-05 16:52:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-05 16:52:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-05 16:52:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 16:52:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 16:52:45,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 16:52:45,190 INFO L299 CfgBuilder]: Removed 589 assume(true) statements. [2021-11-05 16:52:45,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:52:45 BoogieIcfgContainer [2021-11-05 16:52:45,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 16:52:45,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 16:52:45,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 16:52:45,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 16:52:45,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 04:52:36" (1/3) ... [2021-11-05 16:52:45,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc7440c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:52:45, skipping insertion in model container [2021-11-05 16:52:45,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:52:37" (2/3) ... [2021-11-05 16:52:45,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc7440c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:52:45, skipping insertion in model container [2021-11-05 16:52:45,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:52:45" (3/3) ... [2021-11-05 16:52:45,197 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 [2021-11-05 16:52:45,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 16:52:45,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-05 16:52:45,246 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 16:52:45,255 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-11-05 16:52:45,258 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-05 16:52:45,282 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) [2021-11-05 16:52:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-05 16:52:45,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:45,296 INFO L514 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] [2021-11-05 16:52:45,297 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)] === [2021-11-05 16:52:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash -345089639, now seen corresponding path program 1 times [2021-11-05 16:52:45,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 16:52:45,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915736421] [2021-11-05 16:52:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:45,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 16:52:45,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 16:52:45,338 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) [2021-11-05 16:52:45,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-05 16:52:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:46,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 16:52:46,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 16:52:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:52:46,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 16:52:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:52:46,270 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 16:52:46,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915736421] [2021-11-05 16:52:46,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915736421] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:46,271 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:46,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-05 16:52:46,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968549830] [2021-11-05 16:52:46,273 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:46,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:46,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 16:52:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:46,293 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) [2021-11-05 16:52:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:46,502 INFO L93 Difference]: Finished difference Result 1648 states and 2342 transitions. [2021-11-05 16:52:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:46,504 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 [2021-11-05 16:52:46,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:46,516 INFO L225 Difference]: With dead ends: 1648 [2021-11-05 16:52:46,516 INFO L226 Difference]: Without dead ends: 1018 [2021-11-05 16:52:46,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:46,522 INFO L933 BasicCegarLoop]: 835 mSDtfsCounter, 655 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.20ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 129.15ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:46,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 1629 Invalid, 11 Unknown, 0 Unchecked, 9.20ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 129.15ms Time] [2021-11-05 16:52:46,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2021-11-05 16:52:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1014. [2021-11-05 16:52:46,576 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) [2021-11-05 16:52:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1414 transitions. [2021-11-05 16:52:46,579 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1414 transitions. Word has length 30 [2021-11-05 16:52:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:46,579 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1414 transitions. [2021-11-05 16:52:46,580 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) [2021-11-05 16:52:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1414 transitions. [2021-11-05 16:52:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-05 16:52:46,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:46,582 INFO L514 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] [2021-11-05 16:52:46,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-05 16:52:46,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 16:52:46,799 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)] === [2021-11-05 16:52:46,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash -501809799, now seen corresponding path program 1 times [2021-11-05 16:52:46,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 16:52:46,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979424253] [2021-11-05 16:52:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:46,801 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 16:52:46,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 16:52:46,802 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) [2021-11-05 16:52:46,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-05 16:52:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:47,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 16:52:47,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 16:52:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:52:47,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 16:52:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:52:47,523 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 16:52:47,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979424253] [2021-11-05 16:52:47,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979424253] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:47,523 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:47,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-05 16:52:47,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237505801] [2021-11-05 16:52:47,523 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:47,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:47,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 16:52:47,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:47,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:47,525 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) [2021-11-05 16:52:47,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:47,809 INFO L93 Difference]: Finished difference Result 2320 states and 3238 transitions. [2021-11-05 16:52:47,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:47,809 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 [2021-11-05 16:52:47,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:47,813 INFO L225 Difference]: With dead ends: 2320 [2021-11-05 16:52:47,813 INFO L226 Difference]: Without dead ends: 1336 [2021-11-05 16:52:47,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.79ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:47,816 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 322 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 188.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.95ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.99ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:47,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 1651 Invalid, 77 Unknown, 0 Unchecked, 2.95ms Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 230.99ms Time] [2021-11-05 16:52:47,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2021-11-05 16:52:47,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1322. [2021-11-05 16:52:47,838 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) [2021-11-05 16:52:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1842 transitions. [2021-11-05 16:52:47,840 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1842 transitions. Word has length 40 [2021-11-05 16:52:47,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:47,841 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 1842 transitions. [2021-11-05 16:52:47,841 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) [2021-11-05 16:52:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1842 transitions. [2021-11-05 16:52:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-05 16:52:47,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:47,843 INFO L514 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] [2021-11-05 16:52:47,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-05 16:52:48,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 16:52:48,055 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)] === [2021-11-05 16:52:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1114337862, now seen corresponding path program 1 times [2021-11-05 16:52:48,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 16:52:48,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618138113] [2021-11-05 16:52:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:48,061 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 16:52:48,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 16:52:48,063 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) [2021-11-05 16:52:48,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-05 16:52:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:48,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 16:52:48,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 16:52:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:48,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 16:52:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:48,918 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 16:52:48,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618138113] [2021-11-05 16:52:48,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618138113] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:48,918 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:48,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-05 16:52:48,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735045805] [2021-11-05 16:52:48,918 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:48,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 16:52:48,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 16:52:48,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 16:52:48,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-05 16:52:48,919 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) [2021-11-05 16:52:49,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:49,556 INFO L93 Difference]: Finished difference Result 9562 states and 13482 transitions. [2021-11-05 16:52:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 16:52:49,558 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 [2021-11-05 16:52:49,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:49,582 INFO L225 Difference]: With dead ends: 9562 [2021-11-05 16:52:49,582 INFO L226 Difference]: Without dead ends: 8270 [2021-11-05 16:52:49,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 190.06ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-05 16:52:49,585 INFO L933 BasicCegarLoop]: 2162 mSDtfsCounter, 5547 mSDsluCounter, 8591 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 192.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 10753 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.33ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.31ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:49,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5547 Valid, 10753 Invalid, 59 Unknown, 0 Unchecked, 18.33ms Time], IncrementalHoareTripleChecker [12 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 230.31ms Time] [2021-11-05 16:52:49,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8270 states. [2021-11-05 16:52:49,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8270 to 1330. [2021-11-05 16:52:49,661 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) [2021-11-05 16:52:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1850 transitions. [2021-11-05 16:52:49,663 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1850 transitions. Word has length 48 [2021-11-05 16:52:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:49,664 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1850 transitions. [2021-11-05 16:52:49,664 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) [2021-11-05 16:52:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1850 transitions. [2021-11-05 16:52:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-05 16:52:49,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:49,667 INFO L514 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] [2021-11-05 16:52:49,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-05 16:52:49,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 16:52:49,898 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)] === [2021-11-05 16:52:49,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:49,900 INFO L85 PathProgramCache]: Analyzing trace with hash -155622078, now seen corresponding path program 1 times [2021-11-05 16:52:49,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 16:52:49,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497708888] [2021-11-05 16:52:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:49,901 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 16:52:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 16:52:49,902 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) [2021-11-05 16:52:49,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-05 16:52:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:50,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 16:52:50,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 16:52:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:50,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 16:52:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:50,732 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 16:52:50,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497708888] [2021-11-05 16:52:50,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497708888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:50,733 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:50,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-05 16:52:50,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424020958] [2021-11-05 16:52:50,733 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:50,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:50,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 16:52:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:50,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:50,734 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) [2021-11-05 16:52:50,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:50,821 INFO L93 Difference]: Finished difference Result 1330 states and 1850 transitions. [2021-11-05 16:52:50,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:50,821 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 [2021-11-05 16:52:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:50,825 INFO L225 Difference]: With dead ends: 1330 [2021-11-05 16:52:50,825 INFO L226 Difference]: Without dead ends: 1326 [2021-11-05 16:52:50,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:50,826 INFO L933 BasicCegarLoop]: 804 mSDtfsCounter, 463 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.42ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.68ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:50,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [463 Valid, 1071 Invalid, 29 Unknown, 0 Unchecked, 1.42ms Time], IncrementalHoareTripleChecker [12 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 46.68ms Time] [2021-11-05 16:52:50,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2021-11-05 16:52:50,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2021-11-05 16:52:50,867 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) [2021-11-05 16:52:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1844 transitions. [2021-11-05 16:52:50,869 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1844 transitions. Word has length 54 [2021-11-05 16:52:50,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:50,871 INFO L470 AbstractCegarLoop]: Abstraction has 1326 states and 1844 transitions. [2021-11-05 16:52:50,872 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) [2021-11-05 16:52:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1844 transitions. [2021-11-05 16:52:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-05 16:52:50,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:50,877 INFO L514 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] [2021-11-05 16:52:50,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-05 16:52:51,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 16:52:51,095 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)] === [2021-11-05 16:52:51,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:51,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1653029978, now seen corresponding path program 1 times [2021-11-05 16:52:51,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 16:52:51,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387343142] [2021-11-05 16:52:51,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:51,102 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 16:52:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 16:52:51,107 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) [2021-11-05 16:52:51,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-05 16:52:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:52:51,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 16:52:51,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 16:52:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:51,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 16:52:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 16:52:51,815 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 16:52:51,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387343142] [2021-11-05 16:52:51,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387343142] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 16:52:51,815 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:52:51,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-05 16:52:51,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957098987] [2021-11-05 16:52:51,816 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 16:52:51,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:52:51,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 16:52:51,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:52:51,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:51,817 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) [2021-11-05 16:52:51,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:52:51,943 INFO L93 Difference]: Finished difference Result 3814 states and 5332 transitions. [2021-11-05 16:52:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:52:51,944 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 [2021-11-05 16:52:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:52:51,950 INFO L225 Difference]: With dead ends: 3814 [2021-11-05 16:52:51,950 INFO L226 Difference]: Without dead ends: 2518 [2021-11-05 16:52:51,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:52:51,952 INFO L933 BasicCegarLoop]: 1497 mSDtfsCounter, 747 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 2235 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.52ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.47ms IncrementalHoareTripleChecker+Time [2021-11-05 16:52:51,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [747 Valid, 2235 Invalid, 27 Unknown, 0 Unchecked, 2.52ms Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 36.47ms Time] [2021-11-05 16:52:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-05 16:52:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1330. [2021-11-05 16:52:51,991 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) [2021-11-05 16:52:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1844 transitions. [2021-11-05 16:52:51,993 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1844 transitions. Word has length 58 [2021-11-05 16:52:51,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:52:51,994 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1844 transitions. [2021-11-05 16:52:51,994 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) [2021-11-05 16:52:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1844 transitions. [2021-11-05 16:52:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-05 16:52:51,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:52:51,995 INFO L514 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] [2021-11-05 16:52:52,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-05 16:52:52,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 16:52:52,211 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)] === [2021-11-05 16:52:52,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:52:52,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1260002968, now seen corresponding path program 1 times [2021-11-05 16:52:52,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 16:52:52,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282626915] [2021-11-05 16:52:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:52:52,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 16:52:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 16:52:52,214 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) [2021-11-05 16:52:52,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-05 16:54:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-05 16:54:29,867 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-05 16:55:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-05 16:55:55,750 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-05 16:55:55,750 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-05 16:55:55,751 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-05 16:55:55,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-05 16:55:55,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-05 16:55:55,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-05 16:55:55,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-05 16:55:55,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 16:55:55,965 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-05 16:55:55,966 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-05 16:55:56,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 04:55:56 BoogieIcfgContainer [2021-11-05 16:55:56,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-05 16:55:56,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-05 16:55:56,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-05 16:55:56,191 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-05 16:55:56,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:52:45" (3/4) ... [2021-11-05 16:55:56,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-05 16:55:56,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-05 16:55:56,196 INFO L158 Benchmark]: Toolchain (without parser) took 199626.64ms. Allocated memory was 56.6MB in the beginning and 335.5MB in the end (delta: 278.9MB). Free memory was 27.5MB in the beginning and 225.6MB in the end (delta: -198.0MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,196 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-05 16:55:56,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1219.78ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 27.4MB in the beginning and 39.2MB in the end (delta: -11.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.00ms. Allocated memory is still 86.0MB. Free memory was 39.2MB in the beginning and 33.3MB in the end (delta: 5.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,197 INFO L158 Benchmark]: Boogie Preprocessor took 225.67ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 33.3MB in the beginning and 51.3MB in the end (delta: -18.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,197 INFO L158 Benchmark]: RCFGBuilder took 6978.89ms. Allocated memory was 111.1MB in the beginning and 270.5MB in the end (delta: 159.4MB). Free memory was 51.3MB in the beginning and 71.4MB in the end (delta: -20.2MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,198 INFO L158 Benchmark]: TraceAbstraction took 190996.83ms. Allocated memory was 270.5MB in the beginning and 335.5MB in the end (delta: 65.0MB). Free memory was 70.4MB in the beginning and 226.6MB in the end (delta: -156.2MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,198 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 335.5MB. Free memory was 226.6MB in the beginning and 225.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-05 16:55:56,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1219.78ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 27.4MB in the beginning and 39.2MB in the end (delta: -11.8MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 195.00ms. Allocated memory is still 86.0MB. Free memory was 39.2MB in the beginning and 33.3MB in the end (delta: 5.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 225.67ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 33.3MB in the beginning and 51.3MB in the end (delta: -18.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6978.89ms. Allocated memory was 111.1MB in the beginning and 270.5MB in the end (delta: 159.4MB). Free memory was 51.3MB in the beginning and 71.4MB in the end (delta: -20.2MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. * TraceAbstraction took 190996.83ms. Allocated memory was 270.5MB in the beginning and 335.5MB in the end (delta: 65.0MB). Free memory was 70.4MB in the beginning and 226.6MB in the end (delta: -156.2MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 335.5MB. Free memory was 226.6MB in the beginning and 225.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L4071] return (tmp); VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L5550] case 0U: VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L5557] default: VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, ref_cnt=0] [L3987] reach_error() VAL [__this_module={0:0}, hrsl_to_error={4652225218337570831:0}, 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={6895010892065274917:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={2778720970087596999:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={6922595577221873670:0}, 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: 190720.44ms, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 30.62ms, AutomataDifference: 1438.15ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 17.75ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7734 SdHoareTripleChecker+Valid, 673.60ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7734 mSDsluCounter, 17339 SdHoareTripleChecker+Invalid, 546.14ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11092 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 6247 mSDtfsCounter, 166 mSolverCounterSat, 34.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 204.69ms 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: 230.39ms AutomataMinimizationTime, 5 MinimizatonAttempts, 8146 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 324.72ms SsaConstructionTime, 99140.67ms SatisfiabilityAnalysisTime, 1293.64ms InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 732 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3537 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 [2021-11-05 16:55:56,267 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample