./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--net--wan--lmc--lmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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--net--wan--lmc--lmc.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 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:32:07,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:32:07,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:32:07,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:32:07,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:32:07,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:32:07,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:32:07,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:32:07,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:32:07,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:32:07,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:32:07,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:32:07,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:32:07,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:32:07,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:32:07,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:32:07,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:32:07,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:32:07,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:32:07,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:32:07,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:32:07,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:32:07,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:32:07,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:32:07,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:32:07,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:32:07,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:32:07,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:32:07,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:32:07,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:32:07,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:32:07,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:32:07,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:32:07,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:32:07,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:32:07,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:32:07,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:32:07,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:32:07,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:32:07,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:32:07,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:32:07,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:32:07,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:32:07,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:32:07,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:32:07,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:32:07,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:32:07,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:32:07,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:32:07,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:32:07,802 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:32:07,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:32:07,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:32:07,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:32:07,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:32:07,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:32:07,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:32:07,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:32:07,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:32:07,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:32:07,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:32:07,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:32:07,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:32:07,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:32:07,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:32:07,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:32:07,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:32:07,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:32:07,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:32:07,807 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:32:07,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:32:07,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:32:07,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2021-12-28 04:32:08,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:32:08,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:32:08,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:32:08,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:32:08,198 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:32:08,200 INFO L432 ainManager$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--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2021-12-28 04:32:08,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd98ea08/c3cf205f06c2433faa208842e2c480d7/FLAG87fbaac01 [2021-12-28 04:32:09,053 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:32:09,055 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--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2021-12-28 04:32:09,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd98ea08/c3cf205f06c2433faa208842e2c480d7/FLAG87fbaac01 [2021-12-28 04:32:09,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acd98ea08/c3cf205f06c2433faa208842e2c480d7 [2021-12-28 04:32:09,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:32:09,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:32:09,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:32:09,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:32:09,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:32:09,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:32:09" (1/1) ... [2021-12-28 04:32:09,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210dc8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:09, skipping insertion in model container [2021-12-28 04:32:09,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:32:09" (1/1) ... [2021-12-28 04:32:09,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:32:09,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:32:11,680 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2021-12-28 04:32:11,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:32:11,794 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:32:12,460 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2021-12-28 04:32:12,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:32:12,587 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:32:12,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12 WrapperNode [2021-12-28 04:32:12,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:32:12,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:32:12,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:32:12,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:32:12,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:12,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:12,890 INFO L137 Inliner]: procedures = 274, calls = 2121, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4342 [2021-12-28 04:32:12,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:32:12,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:32:12,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:32:12,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:32:12,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:12,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:12,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:12,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:13,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:13,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:13,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:13,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:32:13,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:32:13,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:32:13,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:32:13,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (1/1) ... [2021-12-28 04:32:13,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:32:13,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:32:13,192 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) [2021-12-28 04:32:13,216 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 [2021-12-28 04:32:13,234 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-12-28 04:32:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-12-28 04:32:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2021-12-28 04:32:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2021-12-28 04:32:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:32:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:32:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:32:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:32:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:32:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:32:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:32:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:32:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2021-12-28 04:32:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2021-12-28 04:32:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2021-12-28 04:32:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2021-12-28 04:32:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:32:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:32:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:32:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:32:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:32:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:32:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2021-12-28 04:32:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2021-12-28 04:32:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2021-12-28 04:32:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2021-12-28 04:32:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:32:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:32:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:32:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:32:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:32:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:32:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2021-12-28 04:32:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2021-12-28 04:32:13,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:32:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:32:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:32:13,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:32:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2021-12-28 04:32:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2021-12-28 04:32:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2021-12-28 04:32:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2021-12-28 04:32:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2021-12-28 04:32:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2021-12-28 04:32:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2021-12-28 04:32:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2021-12-28 04:32:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-12-28 04:32:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-12-28 04:32:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:32:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:32:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2021-12-28 04:32:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2021-12-28 04:32:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:32:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2021-12-28 04:32:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2021-12-28 04:32:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-12-28 04:32:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-12-28 04:32:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2021-12-28 04:32:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2021-12-28 04:32:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:32:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:32:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:32:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:32:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:32:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:32:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:32:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2021-12-28 04:32:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2021-12-28 04:32:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:32:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2021-12-28 04:32:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2021-12-28 04:32:13,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:32:13,248 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-28 04:32:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-28 04:32:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:32:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:32:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:32:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:32:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2021-12-28 04:32:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2021-12-28 04:32:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:32:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:32:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2021-12-28 04:32:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2021-12-28 04:32:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-28 04:32:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-28 04:32:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2021-12-28 04:32:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2021-12-28 04:32:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2021-12-28 04:32:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2021-12-28 04:32:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:32:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:32:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2021-12-28 04:32:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2021-12-28 04:32:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:32:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:32:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:32:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-28 04:32:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-28 04:32:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:32:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:32:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:32:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:32:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2021-12-28 04:32:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2021-12-28 04:32:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2021-12-28 04:32:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2021-12-28 04:32:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:32:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:32:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:32:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:32:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:32:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-28 04:32:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-28 04:32:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:32:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:32:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2021-12-28 04:32:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2021-12-28 04:32:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2021-12-28 04:32:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2021-12-28 04:32:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:32:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:32:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2021-12-28 04:32:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2021-12-28 04:32:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-28 04:32:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-28 04:32:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-12-28 04:32:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-12-28 04:32:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:32:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:32:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:32:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:32:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:32:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:32:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:32:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:32:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:32:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2021-12-28 04:32:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2021-12-28 04:32:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:32:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:32:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-28 04:32:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-28 04:32:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:32:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:32:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:32:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:32:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2021-12-28 04:32:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2021-12-28 04:32:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:32:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:32:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2021-12-28 04:32:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2021-12-28 04:32:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-28 04:32:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-28 04:32:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:32:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2021-12-28 04:32:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2021-12-28 04:32:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:32:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:32:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-28 04:32:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-28 04:32:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-28 04:32:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-28 04:32:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:32:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:32:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-28 04:32:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-28 04:32:13,946 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:32:13,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:32:14,714 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:32:19,126 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:32:19,147 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:32:19,147 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:32:19,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:32:19 BoogieIcfgContainer [2021-12-28 04:32:19,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:32:19,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:32:19,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:32:19,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:32:19,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:32:09" (1/3) ... [2021-12-28 04:32:19,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cbe30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:32:19, skipping insertion in model container [2021-12-28 04:32:19,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:32:12" (2/3) ... [2021-12-28 04:32:19,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cbe30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:32:19, skipping insertion in model container [2021-12-28 04:32:19,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:32:19" (3/3) ... [2021-12-28 04:32:19,159 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2021-12-28 04:32:19,163 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:32:19,163 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:32:19,207 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:32:19,212 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 [2021-12-28 04:32:19,213 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:32:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 1794 states, 1154 states have (on average 1.3223570190641247) internal successors, (1526), 1202 states have internal predecessors, (1526), 563 states have call successors, (563), 76 states have call predecessors, (563), 75 states have return successors, (557), 542 states have call predecessors, (557), 557 states have call successors, (557) [2021-12-28 04:32:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-28 04:32:19,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:32:19,281 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:32:19,282 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:32:19,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:32:19,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2114030879, now seen corresponding path program 1 times [2021-12-28 04:32:19,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:32:19,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795095518] [2021-12-28 04:32:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:32:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:32:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:32:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:32:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:32:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-28 04:32:19,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:32:19,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795095518] [2021-12-28 04:32:19,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795095518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:32:19,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:32:19,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:32:19,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537991520] [2021-12-28 04:32:19,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:32:19,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:32:19,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:32:20,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:32:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:32:20,029 INFO L87 Difference]: Start difference. First operand has 1794 states, 1154 states have (on average 1.3223570190641247) internal successors, (1526), 1202 states have internal predecessors, (1526), 563 states have call successors, (563), 76 states have call predecessors, (563), 75 states have return successors, (557), 542 states have call predecessors, (557), 557 states have call successors, (557) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:32:23,630 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 [] [2021-12-28 04:32:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:32:29,826 INFO L93 Difference]: Finished difference Result 3793 states and 5763 transitions. [2021-12-28 04:32:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:32:29,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2021-12-28 04:32:29,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:32:29,870 INFO L225 Difference]: With dead ends: 3793 [2021-12-28 04:32:29,873 INFO L226 Difference]: Without dead ends: 1987 [2021-12-28 04:32:29,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:32:29,902 INFO L933 BasicCegarLoop]: 2366 mSDtfsCounter, 1193 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 2895 mSolverCounterSat, 1518 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 4617 SdHoareTripleChecker+Invalid, 4414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1518 IncrementalHoareTripleChecker+Valid, 2895 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:32:29,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 4617 Invalid, 4414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1518 Valid, 2895 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2021-12-28 04:32:29,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2021-12-28 04:32:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1777. [2021-12-28 04:32:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1145 states have (on average 1.3161572052401747) internal successors, (1507), 1185 states have internal predecessors, (1507), 557 states have call successors, (557), 75 states have call predecessors, (557), 74 states have return successors, (556), 541 states have call predecessors, (556), 556 states have call successors, (556) [2021-12-28 04:32:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2620 transitions. [2021-12-28 04:32:30,138 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2620 transitions. Word has length 92 [2021-12-28 04:32:30,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:32:30,138 INFO L470 AbstractCegarLoop]: Abstraction has 1777 states and 2620 transitions. [2021-12-28 04:32:30,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:32:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2620 transitions. [2021-12-28 04:32:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-28 04:32:30,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:32:30,143 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:32:30,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:32:30,144 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:32:30,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:32:30,145 INFO L85 PathProgramCache]: Analyzing trace with hash -645505755, now seen corresponding path program 1 times [2021-12-28 04:32:30,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:32:30,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224099798] [2021-12-28 04:32:30,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:30,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:32:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:32:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:32:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:32:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:32:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-28 04:32:30,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:32:30,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224099798] [2021-12-28 04:32:30,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224099798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:32:30,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:32:30,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:32:30,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490943930] [2021-12-28 04:32:30,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:32:30,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:32:30,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:32:30,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:32:30,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:32:30,524 INFO L87 Difference]: Start difference. First operand 1777 states and 2620 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-28 04:32:35,014 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 [] [2021-12-28 04:32:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:32:42,422 INFO L93 Difference]: Finished difference Result 5629 states and 8535 transitions. [2021-12-28 04:32:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:32:42,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 92 [2021-12-28 04:32:42,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:32:42,463 INFO L225 Difference]: With dead ends: 5629 [2021-12-28 04:32:42,464 INFO L226 Difference]: Without dead ends: 3870 [2021-12-28 04:32:42,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:32:42,481 INFO L933 BasicCegarLoop]: 3063 mSDtfsCounter, 4266 mSDsluCounter, 3568 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 3208 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4590 SdHoareTripleChecker+Valid, 6631 SdHoareTripleChecker+Invalid, 7523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3208 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:32:42,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4590 Valid, 6631 Invalid, 7523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3208 Valid, 4314 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-12-28 04:32:42,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2021-12-28 04:32:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 3449. [2021-12-28 04:32:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3449 states, 2214 states have (on average 1.3175248419150858) internal successors, (2917), 2292 states have internal predecessors, (2917), 1087 states have call successors, (1087), 148 states have call predecessors, (1087), 147 states have return successors, (1086), 1056 states have call predecessors, (1086), 1086 states have call successors, (1086) [2021-12-28 04:32:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 5090 transitions. [2021-12-28 04:32:42,657 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 5090 transitions. Word has length 92 [2021-12-28 04:32:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:32:42,658 INFO L470 AbstractCegarLoop]: Abstraction has 3449 states and 5090 transitions. [2021-12-28 04:32:42,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-28 04:32:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 5090 transitions. [2021-12-28 04:32:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-28 04:32:42,665 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:32:42,665 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:32:42,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:32:42,666 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:32:42,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:32:42,667 INFO L85 PathProgramCache]: Analyzing trace with hash -600008244, now seen corresponding path program 1 times [2021-12-28 04:32:42,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:32:42,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467462447] [2021-12-28 04:32:42,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:42,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:32:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:32:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:32:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:32:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:32:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:32:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-12-28 04:32:43,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:32:43,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467462447] [2021-12-28 04:32:43,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467462447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:32:43,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:32:43,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:32:43,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13803573] [2021-12-28 04:32:43,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:32:43,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:32:43,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:32:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:32:43,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:32:43,116 INFO L87 Difference]: Start difference. First operand 3449 states and 5090 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:32:50,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:32:50,238 INFO L93 Difference]: Finished difference Result 6414 states and 9853 transitions. [2021-12-28 04:32:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:32:50,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 122 [2021-12-28 04:32:50,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:32:50,311 INFO L225 Difference]: With dead ends: 6414 [2021-12-28 04:32:50,311 INFO L226 Difference]: Without dead ends: 6411 [2021-12-28 04:32:50,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:32:50,319 INFO L933 BasicCegarLoop]: 3466 mSDtfsCounter, 4112 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 2990 mSolverCounterSat, 3484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 5849 SdHoareTripleChecker+Invalid, 6474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3484 IncrementalHoareTripleChecker+Valid, 2990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:32:50,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4349 Valid, 5849 Invalid, 6474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3484 Valid, 2990 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-28 04:32:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6411 states. [2021-12-28 04:32:50,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6411 to 5756. [2021-12-28 04:32:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5756 states, 3679 states have (on average 1.3101386246262572) internal successors, (4820), 3821 states have internal predecessors, (4820), 1815 states have call successors, (1815), 258 states have call predecessors, (1815), 261 states have return successors, (1901), 1758 states have call predecessors, (1901), 1814 states have call successors, (1901) [2021-12-28 04:32:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 8536 transitions. [2021-12-28 04:32:50,637 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 8536 transitions. Word has length 122 [2021-12-28 04:32:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:32:50,639 INFO L470 AbstractCegarLoop]: Abstraction has 5756 states and 8536 transitions. [2021-12-28 04:32:50,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:32:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 8536 transitions. [2021-12-28 04:32:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-28 04:32:50,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:32:50,657 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:32:50,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:32:50,657 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:32:50,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:32:50,658 INFO L85 PathProgramCache]: Analyzing trace with hash -377035489, now seen corresponding path program 1 times [2021-12-28 04:32:50,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:32:50,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348487920] [2021-12-28 04:32:50,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:32:50,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:32:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:32:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:32:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:32:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:32:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:32:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:32:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:32:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:32:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:32:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:32:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:32:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:32:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 04:32:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:32:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:32:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:32:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 04:32:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:32:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-28 04:32:51,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:32:51,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348487920] [2021-12-28 04:32:51,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348487920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:32:51,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:32:51,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:32:51,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967882970] [2021-12-28 04:32:51,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:32:51,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:32:51,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:32:51,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:32:51,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:32:51,156 INFO L87 Difference]: Start difference. First operand 5756 states and 8536 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:32:55,101 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 [] [2021-12-28 04:33:06,005 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 []