./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 ff03de63 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-dev-ff03de6 [2021-12-21 16:09:36,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:09:36,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:09:36,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:09:36,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:09:36,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:09:36,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:09:36,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:09:36,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:09:36,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:09:36,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:09:36,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:09:36,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:09:36,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:09:36,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:09:36,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:09:36,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:09:36,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:09:36,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:09:36,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:09:37,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:09:37,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:09:37,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:09:37,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:09:37,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:09:37,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:09:37,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:09:37,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:09:37,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:09:37,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:09:37,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:09:37,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:09:37,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:09:37,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:09:37,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:09:37,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:09:37,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:09:37,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:09:37,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:09:37,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:09:37,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:09:37,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:09:37,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:09:37,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:09:37,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:09:37,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:09:37,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:09:37,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:09:37,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:09:37,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:09:37,034 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:09:37,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:09:37,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:09:37,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:09:37,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:09:37,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:09:37,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:09:37,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:09:37,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:09:37,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:09:37,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:09:37,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:09:37,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:09:37,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:09:37,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:09:37,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:09:37,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:09:37,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:09:37,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:09:37,038 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:09:37,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:09:37,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:09:37,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:09:37,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb3f0f7fbd0ab57546a0ac02256a38ed05a9424bb7a81ac298c225eddd7bc79 [2021-12-21 16:09:37,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:09:37,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:09:37,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:09:37,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:09:37,312 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:09:37,313 INFO L432 ainManager$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 [2021-12-21 16:09:37,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8252319be/0d4f53125d8a4079ada7b14e4e312837/FLAG2d788f022 [2021-12-21 16:09:38,110 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:09:38,111 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 [2021-12-21 16:09:38,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8252319be/0d4f53125d8a4079ada7b14e4e312837/FLAG2d788f022 [2021-12-21 16:09:38,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8252319be/0d4f53125d8a4079ada7b14e4e312837 [2021-12-21 16:09:38,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:09:38,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:09:38,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:09:38,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:09:38,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:09:38,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:09:38" (1/1) ... [2021-12-21 16:09:38,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c109f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:38, skipping insertion in model container [2021-12-21 16:09:38,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:09:38" (1/1) ... [2021-12-21 16:09:38,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:09:38,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:09:39,147 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] [2021-12-21 16:09:39,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:09:39,980 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:09:40,111 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] [2021-12-21 16:09:40,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:09:40,448 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:09:40,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40 WrapperNode [2021-12-21 16:09:40,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:09:40,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:09:40,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:09:40,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:09:40,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,691 INFO L137 Inliner]: procedures = 212, calls = 2651, calls flagged for inlining = 91, calls inlined = 91, statements flattened = 5842 [2021-12-21 16:09:40,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:09:40,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:09:40,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:09:40,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:09:40,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:09:40,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:09:40,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:09:40,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:09:40,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (1/1) ... [2021-12-21 16:09:40,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:09:40,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:09:40,984 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) [2021-12-21 16:09:41,003 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 [2021-12-21 16:09:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2021-12-21 16:09:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2021-12-21 16:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:09:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:09:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:09:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-21 16:09:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-21 16:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2021-12-21 16:09:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2021-12-21 16:09:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2021-12-21 16:09:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2021-12-21 16:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:09:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:09:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2021-12-21 16:09:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2021-12-21 16:09:41,019 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 [2021-12-21 16:09:41,019 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 [2021-12-21 16:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2021-12-21 16:09:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2021-12-21 16:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2021-12-21 16:09:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2021-12-21 16:09:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2021-12-21 16:09:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2021-12-21 16:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:09:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:09:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:09:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2021-12-21 16:09:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2021-12-21 16:09:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:09:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:09:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:09:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:09:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2021-12-21 16:09:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2021-12-21 16:09:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2021-12-21 16:09:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2021-12-21 16:09:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2021-12-21 16:09:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2021-12-21 16:09:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:09:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:09:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:09:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2021-12-21 16:09:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2021-12-21 16:09:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:09:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:09:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-21 16:09:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-21 16:09:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:09:41,024 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2021-12-21 16:09:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:09:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:09:41,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-21 16:09:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:09:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:09:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2021-12-21 16:09:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2021-12-21 16:09:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2021-12-21 16:09:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2021-12-21 16:09:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2021-12-21 16:09:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2021-12-21 16:09:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:09:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2021-12-21 16:09:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2021-12-21 16:09:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:09:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2021-12-21 16:09:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2021-12-21 16:09:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2021-12-21 16:09:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2021-12-21 16:09:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2021-12-21 16:09:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2021-12-21 16:09:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:09:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:09:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:09:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:09:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:09:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:09:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:09:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:09:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2021-12-21 16:09:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2021-12-21 16:09:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:09:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:09:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:09:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-12-21 16:09:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-12-21 16:09:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2021-12-21 16:09:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2021-12-21 16:09:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:09:41,033 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-12-21 16:09:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-12-21 16:09:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2021-12-21 16:09:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2021-12-21 16:09:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:09:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-21 16:09:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-21 16:09:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-21 16:09:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-21 16:09:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2021-12-21 16:09:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2021-12-21 16:09:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:09:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:09:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2021-12-21 16:09:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2021-12-21 16:09:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2021-12-21 16:09:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-21 16:09:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-21 16:09:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2021-12-21 16:09:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:09:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:09:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2021-12-21 16:09:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2021-12-21 16:09:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2021-12-21 16:09:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2021-12-21 16:09:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:09:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-21 16:09:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-21 16:09:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:09:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:09:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2021-12-21 16:09:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:09:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2021-12-21 16:09:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2021-12-21 16:09:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:09:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2021-12-21 16:09:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2021-12-21 16:09:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:09:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:09:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:09:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2021-12-21 16:09:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2021-12-21 16:09:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2021-12-21 16:09:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2021-12-21 16:09:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2021-12-21 16:09:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2021-12-21 16:09:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2021-12-21 16:09:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2021-12-21 16:09:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2021-12-21 16:09:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2021-12-21 16:09:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2021-12-21 16:09:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2021-12-21 16:09:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2021-12-21 16:09:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2021-12-21 16:09:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2021-12-21 16:09:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2021-12-21 16:09:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:09:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:09:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:09:41,791 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:09:41,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:09:42,048 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:09:50,120 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:09:50,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:09:50,143 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:09:50,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:09:50 BoogieIcfgContainer [2021-12-21 16:09:50,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:09:50,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:09:50,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:09:50,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:09:50,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:09:38" (1/3) ... [2021-12-21 16:09:50,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3f8f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:09:50, skipping insertion in model container [2021-12-21 16:09:50,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:09:40" (2/3) ... [2021-12-21 16:09:50,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3f8f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:09:50, skipping insertion in model container [2021-12-21 16:09:50,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:09:50" (3/3) ... [2021-12-21 16:09:50,153 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2021-12-21 16:09:50,157 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:09:50,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:09:50,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:09:50,223 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 [2021-12-21 16:09:50,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:09:50,270 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) [2021-12-21 16:09:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-21 16:09:50,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:09:50,287 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] [2021-12-21 16:09:50,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:09:50,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:09:50,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2069414914, now seen corresponding path program 1 times [2021-12-21 16:09:50,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:09:50,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989064285] [2021-12-21 16:09:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:09:50,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:09:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:09:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:09:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:09:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:09:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:09:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:09:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:09:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:09:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:09:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:09:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:09:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:09:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 16:09:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:09:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-12-21 16:09:51,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:09:51,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989064285] [2021-12-21 16:09:51,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989064285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:09:51,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:09:51,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:09:51,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244069255] [2021-12-21 16:09:51,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:09:51,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:09:51,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:09:51,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:09:51,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:09:51,108 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) [2021-12-21 16:09:57,165 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 [] [2021-12-21 16:09:59,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:01,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:03,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:05,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:07,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:08,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:10,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:14,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:16,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:18,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:20,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:22,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:24,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:26,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:26,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:10:26,981 INFO L93 Difference]: Finished difference Result 4437 states and 6695 transitions. [2021-12-21 16:10:26,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:10:26,983 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 [2021-12-21 16:10:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:10:27,020 INFO L225 Difference]: With dead ends: 4437 [2021-12-21 16:10:27,021 INFO L226 Difference]: Without dead ends: 2951 [2021-12-21 16:10:27,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:10:27,035 INFO L933 BasicCegarLoop]: 2332 mSDtfsCounter, 2526 mSDsluCounter, 4538 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 1561 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2677 SdHoareTripleChecker+Valid, 6870 SdHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:10:27,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2677 Valid, 6870 Invalid, 3343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1561 Valid, 1769 Invalid, 13 Unknown, 0 Unchecked, 35.5s Time] [2021-12-21 16:10:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2021-12-21 16:10:27,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2796. [2021-12-21 16:10:27,247 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) [2021-12-21 16:10:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4117 transitions. [2021-12-21 16:10:27,268 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4117 transitions. Word has length 95 [2021-12-21 16:10:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:10:27,270 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4117 transitions. [2021-12-21 16:10:27,270 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) [2021-12-21 16:10:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4117 transitions. [2021-12-21 16:10:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-21 16:10:27,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:10:27,278 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] [2021-12-21 16:10:27,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:10:27,279 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:10:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:10:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1074232853, now seen corresponding path program 1 times [2021-12-21 16:10:27,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:10:27,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912357781] [2021-12-21 16:10:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:10:27,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:10:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:10:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:10:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:10:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:10:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:10:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:10:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:10:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:10:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:10:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:10:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 16:10:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:10:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 16:10:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:10:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-12-21 16:10:27,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:10:27,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912357781] [2021-12-21 16:10:27,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912357781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:10:27,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:10:27,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:10:27,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97317609] [2021-12-21 16:10:27,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:10:27,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:10:27,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:10:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:10:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:10:27,702 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) [2021-12-21 16:10:30,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:32,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:34,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:36,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:38,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:40,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:42,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:10:44,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []