./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-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 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 23:07:01,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:07:01,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:07:01,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:07:01,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:07:01,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:07:01,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:07:01,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:07:01,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:07:01,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:07:01,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:07:01,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:07:01,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:07:01,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:07:01,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:07:01,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:07:01,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:07:01,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:07:01,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:07:01,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:07:01,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:07:01,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:07:01,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:07:01,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:07:01,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:07:01,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:07:01,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:07:01,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:07:01,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:07:01,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:07:01,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:07:01,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:07:01,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:07:01,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:07:01,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:07:01,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:07:01,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:07:01,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:07:01,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:07:01,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:07:01,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:07:01,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 23:07:01,318 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:07:01,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:07:01,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:07:01,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:07:01,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:07:01,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:07:01,323 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:07:01,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:07:01,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:07:01,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:07:01,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 23:07:01,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 23:07:01,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 23:07:01,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:07:01,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:07:01,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 23:07:01,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:07:01,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:07:01,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 23:07:01,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:07:01,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:07:01,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 23:07:01,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 23:07:01,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:07:01,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 23:07:01,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 23:07:01,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 23:07:01,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 23:07:01,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:07:01,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f349249e9e86997fa8ff3fec7fb7aa332cbfd0034f841eea19465e389dd90de [2021-11-02 23:07:01,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:07:01,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:07:01,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:07:01,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:07:01,516 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:07:01,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-11-02 23:07:01,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635d488ac/e4210b28de124ac5b046ae41632518d1/FLAGb93fee3e7 [2021-11-02 23:07:02,240 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:07:02,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-11-02 23:07:02,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635d488ac/e4210b28de124ac5b046ae41632518d1/FLAGb93fee3e7 [2021-11-02 23:07:02,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635d488ac/e4210b28de124ac5b046ae41632518d1 [2021-11-02 23:07:02,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:07:02,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:07:02,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:07:02,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:07:02,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:07:02,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:07:02" (1/1) ... [2021-11-02 23:07:02,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f47fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:02, skipping insertion in model container [2021-11-02 23:07:02,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:07:02" (1/1) ... [2021-11-02 23:07:02,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:07:02,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:07:04,231 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2021-11-02 23:07:04,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:07:04,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:07:04,594 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[281346,281359] [2021-11-02 23:07:04,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:07:04,670 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:07:04,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04 WrapperNode [2021-11-02 23:07:04,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:07:04,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:07:04,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:07:04,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:07:04,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:04,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:10,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:07:10,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:07:10,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:07:10,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:07:10,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:10,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:11,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:11,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:13,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:14,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:14,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:15,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:07:15,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:07:15,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:07:15,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:07:15,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (1/1) ... [2021-11-02 23:07:15,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 23:07:15,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 23:07:15,624 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) [2021-11-02 23:07:15,639 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 [2021-11-02 23:07:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-11-02 23:07:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-11-02 23:07:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-02 23:07:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-02 23:07:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 23:07:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 23:07:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2021-11-02 23:07:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2021-11-02 23:07:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2021-11-02 23:07:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2021-11-02 23:07:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2021-11-02 23:07:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2021-11-02 23:07:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 23:07:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 23:07:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-02 23:07:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2021-11-02 23:07:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-11-02 23:07:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 23:07:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2021-11-02 23:07:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2021-11-02 23:07:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 23:07:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 23:07:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-02 23:07:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-02 23:07:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-11-02 23:07:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-11-02 23:07:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2021-11-02 23:07:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2021-11-02 23:07:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 23:07:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-02 23:07:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2021-11-02 23:07:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2021-11-02 23:07:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-11-02 23:07:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-11-02 23:07:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 23:07:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 23:07:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 23:07:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-11-02 23:07:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-11-02 23:07:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-11-02 23:07:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-11-02 23:07:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 23:07:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:07:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:07:48,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 23:07:48,979 INFO L299 CfgBuilder]: Removed 39632 assume(true) statements. [2021-11-02 23:07:49,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:07:49 BoogieIcfgContainer [2021-11-02 23:07:49,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 23:07:49,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 23:07:49,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 23:07:49,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 23:07:49,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:07:02" (1/3) ... [2021-11-02 23:07:49,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9efc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:07:49, skipping insertion in model container [2021-11-02 23:07:49,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:07:04" (2/3) ... [2021-11-02 23:07:49,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9efc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:07:49, skipping insertion in model container [2021-11-02 23:07:49,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:07:49" (3/3) ... [2021-11-02 23:07:49,018 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-11-02 23:07:49,029 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 23:07:49,029 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-02 23:07:49,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 23:07:49,154 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 [2021-11-02 23:07:49,154 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-02 23:07:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 38283 states, 38088 states have (on average 1.3922757823986558) internal successors, (53029), 38141 states have internal predecessors, (53029), 166 states have call successors, (166), 16 states have call predecessors, (166), 16 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2021-11-02 23:07:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-02 23:07:49,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 23:07:49,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:07:49,723 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-02 23:07:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:07:49,736 INFO L85 PathProgramCache]: Analyzing trace with hash -287012948, now seen corresponding path program 1 times [2021-11-02 23:07:49,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:07:49,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617246581] [2021-11-02 23:07:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:07:49,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:07:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:07:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:07:50,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:07:50,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617246581] [2021-11-02 23:07:50,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617246581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:07:50,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:07:50,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 23:07:50,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352689300] [2021-11-02 23:07:50,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 23:07:50,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:07:50,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 23:07:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 23:07:50,354 INFO L87 Difference]: Start difference. First operand has 38283 states, 38088 states have (on average 1.3922757823986558) internal successors, (53029), 38141 states have internal predecessors, (53029), 166 states have call successors, (166), 16 states have call predecessors, (166), 16 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-11-02 23:07:52,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:07:59,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:08:03,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:08:06,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:08:09,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:30,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:36,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:42,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:44,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:47,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:52,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:54,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:09:59,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:01,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:04,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:06,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:10,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:13,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:17,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:19,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:22,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:25,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:29,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:31,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:36,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:38,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:41,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:47,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:10:52,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:06,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:14,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:21,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:25,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:32,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:39,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:44,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:48,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:11:57,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:01,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:03,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:11,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:16,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:20,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:26,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:28,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:31,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:39,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 23:12:41,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []