./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.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 5eb3f0f7fbd0ab57546a0ac02256a38ed05a9424bb7a81ac298c225eddd7bc79 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:56:04,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:56:04,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:56:04,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:56:04,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:56:04,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:56:04,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:56:04,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:56:04,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:56:04,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:56:04,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:56:04,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:56:04,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:56:04,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:56:04,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:56:04,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:56:04,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:56:04,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:56:04,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:56:04,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:56:04,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:56:04,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:56:04,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:56:04,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:56:04,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:56:04,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:56:04,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:56:04,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:56:04,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:56:04,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:56:04,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:56:04,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:56:04,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:56:04,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:56:04,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:56:04,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:56:04,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:56:04,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:56:04,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:56:04,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:56:04,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:56:04,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:56:04,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:56:04,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:56:04,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:56:04,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:56:04,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:56:04,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:56:04,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:56:04,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:56:04,358 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:56:04,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:56:04,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:56:04,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:56:04,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:56:04,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:56:04,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:56:04,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:56:04,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:56:04,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:56:04,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:56:04,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:56:04,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:56:04,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:56:04,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:56:04,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:56:04,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:56:04,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:56:04,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:56:04,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:56:04,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:56:04,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:56:04,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:56:04,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb3f0f7fbd0ab57546a0ac02256a38ed05a9424bb7a81ac298c225eddd7bc79 [2021-12-16 03:56:04,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:56:04,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:56:04,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:56:04,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:56:04,622 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:56:04,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2021-12-16 03:56:04,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63abf356/11b3488ef68f414fa93ed1b04acaf83e/FLAGab8477edd [2021-12-16 03:56:05,397 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:56:05,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2021-12-16 03:56:05,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63abf356/11b3488ef68f414fa93ed1b04acaf83e/FLAGab8477edd [2021-12-16 03:56:05,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63abf356/11b3488ef68f414fa93ed1b04acaf83e [2021-12-16 03:56:05,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:56:05,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:56:05,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:56:05,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:56:05,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:56:05,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:56:05" (1/1) ... [2021-12-16 03:56:05,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746e68ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:05, skipping insertion in model container [2021-12-16 03:56:05,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:56:05" (1/1) ... [2021-12-16 03:56:05,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:56:05,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:56:06,361 WARN L230 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i[158290,158303] [2021-12-16 03:56:06,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:56:06,999 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:56:07,086 WARN L230 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i[158290,158303] [2021-12-16 03:56:07,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:56:07,364 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:56:07,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07 WrapperNode [2021-12-16 03:56:07,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:56:07,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:56:07,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:56:07,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:56:07,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,560 INFO L137 Inliner]: procedures = 212, calls = 2651, calls flagged for inlining = 91, calls inlined = 91, statements flattened = 5842 [2021-12-16 03:56:07,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:56:07,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:56:07,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:56:07,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:56:07,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:56:07,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:56:07,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:56:07,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:56:07,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (1/1) ... [2021-12-16 03:56:07,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:56:07,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:56:07,782 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) [2021-12-16 03:56:07,824 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 [2021-12-16 03:56:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2021-12-16 03:56:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2021-12-16 03:56:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 03:56:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 03:56:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:56:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:56:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 03:56:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 03:56:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-16 03:56:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-16 03:56:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2021-12-16 03:56:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2021-12-16 03:56:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2021-12-16 03:56:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2021-12-16 03:56:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:56:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:56:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2021-12-16 03:56:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2021-12-16 03:56:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2021-12-16 03:56:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2021-12-16 03:56:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2021-12-16 03:56:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2021-12-16 03:56:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2021-12-16 03:56:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2021-12-16 03:56:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2021-12-16 03:56:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2021-12-16 03:56:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 03:56:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 03:56:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 03:56:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 03:56:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2021-12-16 03:56:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2021-12-16 03:56:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:56:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:56:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 03:56:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 03:56:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2021-12-16 03:56:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2021-12-16 03:56:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2021-12-16 03:56:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2021-12-16 03:56:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2021-12-16 03:56:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2021-12-16 03:56:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:56:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:56:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:56:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2021-12-16 03:56:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2021-12-16 03:56:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 03:56:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 03:56:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-16 03:56:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-16 03:56:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:56:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2021-12-16 03:56:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 03:56:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 03:56:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-16 03:56:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 03:56:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 03:56:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2021-12-16 03:56:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2021-12-16 03:56:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2021-12-16 03:56:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2021-12-16 03:56:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2021-12-16 03:56:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2021-12-16 03:56:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:56:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2021-12-16 03:56:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2021-12-16 03:56:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:56:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2021-12-16 03:56:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2021-12-16 03:56:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2021-12-16 03:56:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2021-12-16 03:56:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2021-12-16 03:56:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2021-12-16 03:56:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 03:56:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 03:56:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 03:56:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 03:56:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 03:56:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 03:56:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 03:56:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 03:56:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2021-12-16 03:56:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2021-12-16 03:56:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:56:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 03:56:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 03:56:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-12-16 03:56:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-12-16 03:56:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2021-12-16 03:56:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2021-12-16 03:56:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:56:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-12-16 03:56:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-12-16 03:56:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2021-12-16 03:56:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2021-12-16 03:56:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:56:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-16 03:56:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-16 03:56:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-16 03:56:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-16 03:56:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2021-12-16 03:56:07,871 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2021-12-16 03:56:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 03:56:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 03:56:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2021-12-16 03:56:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2021-12-16 03:56:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2021-12-16 03:56:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-16 03:56:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-16 03:56:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2021-12-16 03:56:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:56:07,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:56:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2021-12-16 03:56:07,873 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2021-12-16 03:56:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2021-12-16 03:56:07,874 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2021-12-16 03:56:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:56:07,874 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-16 03:56:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-16 03:56:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 03:56:07,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 03:56:07,875 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2021-12-16 03:56:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:56:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2021-12-16 03:56:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2021-12-16 03:56:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:56:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2021-12-16 03:56:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2021-12-16 03:56:07,876 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 03:56:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 03:56:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:56:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2021-12-16 03:56:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2021-12-16 03:56:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2021-12-16 03:56:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2021-12-16 03:56:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2021-12-16 03:56:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2021-12-16 03:56:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2021-12-16 03:56:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2021-12-16 03:56:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2021-12-16 03:56:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2021-12-16 03:56:07,878 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2021-12-16 03:56:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2021-12-16 03:56:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2021-12-16 03:56:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2021-12-16 03:56:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2021-12-16 03:56:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2021-12-16 03:56:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:56:07,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:56:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:56:08,424 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:56:08,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:56:08,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 03:56:20,751 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:56:20,779 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:56:20,779 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:56:20,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:56:20 BoogieIcfgContainer [2021-12-16 03:56:20,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:56:20,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:56:20,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:56:20,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:56:20,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:56:05" (1/3) ... [2021-12-16 03:56:20,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a267bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:56:20, skipping insertion in model container [2021-12-16 03:56:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:56:07" (2/3) ... [2021-12-16 03:56:20,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a267bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:56:20, skipping insertion in model container [2021-12-16 03:56:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:56:20" (3/3) ... [2021-12-16 03:56:20,791 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2021-12-16 03:56:20,798 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:56:20,798 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:56:20,855 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:56:20,868 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 [2021-12-16 03:56:20,868 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:56:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 1455 states, 1058 states have (on average 1.4130434782608696) internal successors, (1495), 1074 states have internal predecessors, (1495), 331 states have call successors, (331), 65 states have call predecessors, (331), 64 states have return successors, (325), 325 states have call predecessors, (325), 325 states have call successors, (325) [2021-12-16 03:56:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-16 03:56:20,932 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:56:20,932 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:56:20,933 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:56:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:56:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2069414914, now seen corresponding path program 1 times [2021-12-16 03:56:20,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:56:20,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986514991] [2021-12-16 03:56:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:56:20,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:56:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:56:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:56:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 03:56:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:56:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:56:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 03:56:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 03:56:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:56:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 03:56:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:56:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-16 03:56:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 03:56:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 03:56:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:56:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-12-16 03:56:21,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:56:21,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986514991] [2021-12-16 03:56:21,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986514991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:56:21,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:56:21,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:56:21,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984748545] [2021-12-16 03:56:21,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:56:21,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:56:21,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:56:21,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:56:21,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:56:21,855 INFO L87 Difference]: Start difference. First operand has 1455 states, 1058 states have (on average 1.4130434782608696) internal successors, (1495), 1074 states have internal predecessors, (1495), 331 states have call successors, (331), 65 states have call predecessors, (331), 64 states have return successors, (325), 325 states have call predecessors, (325), 325 states have call successors, (325) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-16 03:56:23,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:28,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:30,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:32,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:34,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:36,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:38,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:40,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:41,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:43,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:47,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:49,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:51,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:53,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:55,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:57,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:56:59,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:00,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:57:00,211 INFO L93 Difference]: Finished difference Result 4437 states and 6695 transitions. [2021-12-16 03:57:00,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:57:00,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 95 [2021-12-16 03:57:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:57:00,250 INFO L225 Difference]: With dead ends: 4437 [2021-12-16 03:57:00,250 INFO L226 Difference]: Without dead ends: 2951 [2021-12-16 03:57:00,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:57:00,273 INFO L933 BasicCegarLoop]: 2333 mSDtfsCounter, 2526 mSDsluCounter, 4540 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 1561 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 6873 SdHoareTripleChecker+Invalid, 3345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2021-12-16 03:57:00,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2678 Valid, 6873 Invalid, 3345 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 1770 Invalid, 14 Unknown, 0 Unchecked, 37.9s Time] [2021-12-16 03:57:00,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2021-12-16 03:57:00,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2796. [2021-12-16 03:57:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2047 states have (on average 1.406448461162677) internal successors, (2879), 2058 states have internal predecessors, (2879), 622 states have call successors, (622), 127 states have call predecessors, (622), 126 states have return successors, (616), 616 states have call predecessors, (616), 616 states have call successors, (616) [2021-12-16 03:57:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4117 transitions. [2021-12-16 03:57:00,592 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4117 transitions. Word has length 95 [2021-12-16 03:57:00,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:57:00,597 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4117 transitions. [2021-12-16 03:57:00,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-16 03:57:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4117 transitions. [2021-12-16 03:57:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-16 03:57:00,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:57:00,603 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:57:00,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:57:00,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:57:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:57:00,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1074232853, now seen corresponding path program 1 times [2021-12-16 03:57:00,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:57:00,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072549413] [2021-12-16 03:57:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:57:00,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:57:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:57:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 03:57:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 03:57:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:57:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:57:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 03:57:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 03:57:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:57:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 03:57:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-16 03:57:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-16 03:57:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 03:57:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-16 03:57:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:57:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-12-16 03:57:01,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:57:01,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072549413] [2021-12-16 03:57:01,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072549413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:57:01,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:57:01,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:57:01,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142702965] [2021-12-16 03:57:01,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:57:01,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:57:01,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:57:01,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:57:01,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:57:01,099 INFO L87 Difference]: Start difference. First operand 2796 states and 4117 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-16 03:57:04,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:06,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:08,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:10,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:12,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:14,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:57:16,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []