./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-08_1a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b 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-08_1a-drivers--mmc--host--sdhci.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 fdf6fafc1bcc5fd40df2965365b1af69d50c0300f0c7615a08381d68bdd26fe3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 06:05:04,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 06:05:04,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 06:05:04,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 06:05:04,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 06:05:04,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 06:05:04,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 06:05:04,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 06:05:04,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 06:05:04,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 06:05:04,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 06:05:04,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 06:05:04,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 06:05:04,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 06:05:04,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 06:05:04,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 06:05:04,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 06:05:04,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 06:05:04,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 06:05:04,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 06:05:04,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 06:05:04,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 06:05:04,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 06:05:04,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 06:05:04,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 06:05:04,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 06:05:04,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 06:05:04,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 06:05:04,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 06:05:04,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 06:05:04,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 06:05:04,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 06:05:04,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 06:05:04,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 06:05:04,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 06:05:04,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 06:05:04,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 06:05:04,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 06:05:04,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 06:05:04,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 06:05:04,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 06:05:04,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 06:05:04,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 06:05:04,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 06:05:04,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 06:05:04,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 06:05:04,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 06:05:04,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 06:05:04,447 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 06:05:04,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 06:05:04,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 06:05:04,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 06:05:04,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 06:05:04,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 06:05:04,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 06:05:04,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 06:05:04,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 06:05:04,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 06:05:04,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 06:05:04,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 06:05:04,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 06:05:04,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 06:05:04,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 06:05:04,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 06:05:04,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 06:05:04,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 06:05:04,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 06:05:04,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 06:05:04,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 06:05:04,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 06:05:04,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 06:05:04,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdf6fafc1bcc5fd40df2965365b1af69d50c0300f0c7615a08381d68bdd26fe3 [2021-11-04 06:05:04,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 06:05:04,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 06:05:04,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 06:05:04,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 06:05:04,643 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 06:05:04,644 INFO L432 ainManager$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-08_1a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-04 06:05:04,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f052b0c/1b3537f6527d4a7da14198cf1137bde2/FLAG34ffb431d [2021-11-04 06:05:05,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 06:05:05,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-04 06:05:05,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f052b0c/1b3537f6527d4a7da14198cf1137bde2/FLAG34ffb431d [2021-11-04 06:05:05,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f052b0c/1b3537f6527d4a7da14198cf1137bde2 [2021-11-04 06:05:05,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 06:05:05,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 06:05:05,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 06:05:05,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 06:05:05,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 06:05:05,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 06:05:05" (1/1) ... [2021-11-04 06:05:05,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e13bf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:05, skipping insertion in model container [2021-11-04 06:05:05,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 06:05:05" (1/1) ... [2021-11-04 06:05:05,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 06:05:05,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 06:05:06,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i[316441,316454] [2021-11-04 06:05:07,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 06:05:07,076 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 06:05:07,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i[316441,316454] [2021-11-04 06:05:07,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 06:05:07,463 INFO L208 MainTranslator]: Completed translation [2021-11-04 06:05:07,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07 WrapperNode [2021-11-04 06:05:07,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 06:05:07,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 06:05:07,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 06:05:07,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 06:05:07,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:07,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:13,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 06:05:13,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 06:05:13,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 06:05:13,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 06:05:13,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:13,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:13,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:13,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:15,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:16,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:16,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:17,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 06:05:17,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 06:05:17,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 06:05:17,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 06:05:17,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (1/1) ... [2021-11-04 06:05:17,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 06:05:17,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 06:05:17,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 06:05:17,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 06:05:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-04 06:05:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 06:05:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 06:05:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_execute_tuning [2021-11-04 06:05:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_execute_tuning [2021-11-04 06:05:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_hw_reset [2021-11-04 06:05:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_hw_reset [2021-11-04 06:05:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-04 06:05:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-04 06:05:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_remove_host [2021-11-04 06:05:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_remove_host [2021-11-04 06:05:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-04 06:05:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-04 06:05:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_check_ro [2021-11-04 06:05:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_check_ro [2021-11-04 06:05:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 06:05:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 06:05:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_prepare_data [2021-11-04 06:05:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_prepare_data [2021-11-04 06:05:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_request [2021-11-04 06:05:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_request [2021-11-04 06:05:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 06:05:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 06:05:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_reinit [2021-11-04 06:05:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_reinit [2021-11-04 06:05:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_timeout [2021-11-04 06:05:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_timeout [2021-11-04 06:05:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 06:05:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 06:05:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 06:05:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_resume_host [2021-11-04 06:05:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_resume_host [2021-11-04 06:05:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 06:05:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_set_ios [2021-11-04 06:05:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_set_ios [2021-11-04 06:05:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_event [2021-11-04 06:05:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_event [2021-11-04 06:05:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_start_signal_voltage_switch [2021-11-04 06:05:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_start_signal_voltage_switch [2021-11-04 06:05:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 06:05:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 06:05:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 06:05:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 06:05:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 06:05:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 06:05:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 06:05:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_ro [2021-11-04 06:05:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_ro [2021-11-04 06:05:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_send_command [2021-11-04 06:05:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_send_command [2021-11-04 06:05:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_ro [2021-11-04 06:05:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_ro [2021-11-04 06:05:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_ios [2021-11-04 06:05:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_ios [2021-11-04 06:05:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_resume_host [2021-11-04 06:05:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_resume_host [2021-11-04 06:05:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_init [2021-11-04 06:05:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_init [2021-11-04 06:05:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_add_host [2021-11-04 06:05:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_add_host [2021-11-04 06:05:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 06:05:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-04 06:05:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-04 06:05:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_reset [2021-11-04 06:05:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_reset [2021-11-04 06:05:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 06:05:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 06:05:39,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 06:05:39,689 INFO L299 CfgBuilder]: Removed 37051 assume(true) statements. [2021-11-04 06:05:39,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 06:05:39 BoogieIcfgContainer [2021-11-04 06:05:39,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 06:05:39,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 06:05:39,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 06:05:39,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 06:05:39,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 06:05:05" (1/3) ... [2021-11-04 06:05:39,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da1413a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 06:05:39, skipping insertion in model container [2021-11-04 06:05:39,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 06:05:07" (2/3) ... [2021-11-04 06:05:39,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da1413a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 06:05:39, skipping insertion in model container [2021-11-04 06:05:39,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 06:05:39" (3/3) ... [2021-11-04 06:05:39,720 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-04 06:05:39,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 06:05:39,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-04 06:05:39,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 06:05:39,829 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 06:05:39,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-04 06:05:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 35626 states, 35282 states have (on average 1.3648035825633467) internal successors, (48153), 35361 states have internal predecessors, (48153), 317 states have call successors, (317), 25 states have call predecessors, (317), 25 states have return successors, (317), 313 states have call predecessors, (317), 317 states have call successors, (317) [2021-11-04 06:05:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-04 06:05:40,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 06:05:40,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 06:05:40,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 06:05:40,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 06:05:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1252814206, now seen corresponding path program 1 times [2021-11-04 06:05:40,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 06:05:40,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992131353] [2021-11-04 06:05:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 06:05:40,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 06:05:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 06:05:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 06:05:40,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 06:05:40,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992131353] [2021-11-04 06:05:40,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992131353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 06:05:40,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 06:05:40,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 06:05:40,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344884723] [2021-11-04 06:05:40,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 06:05:40,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 06:05:40,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 06:05:40,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 06:05:40,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 06:05:40,753 INFO L87 Difference]: Start difference. First operand has 35626 states, 35282 states have (on average 1.3648035825633467) internal successors, (48153), 35361 states have internal predecessors, (48153), 317 states have call successors, (317), 25 states have call predecessors, (317), 25 states have return successors, (317), 313 states have call predecessors, (317), 317 states have call successors, (317) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 06:05:42,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 06:06:07,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 06:09:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 06:09:10,244 INFO L93 Difference]: Finished difference Result 71233 states and 97866 transitions. [2021-11-04 06:09:10,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-04 06:09:10,246 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-04 06:09:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 06:09:10,597 INFO L225 Difference]: With dead ends: 71233 [2021-11-04 06:09:10,597 INFO L226 Difference]: Without dead ends: 34566 [2021-11-04 06:09:10,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 06:09:10,758 INFO L933 BasicCegarLoop]: 1675 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46791 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189436.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 46793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 161.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46791 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 206132.85ms IncrementalHoareTripleChecker+Time [2021-11-04 06:09:10,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1675 Invalid, 46793 Unknown, 0 Unchecked, 161.87ms Time], IncrementalHoareTripleChecker [0 Valid, 46791 Invalid, 2 Unknown, 0 Unchecked, 206132.85ms Time] [2021-11-04 06:09:10,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34566 states. [2021-11-04 06:09:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34566 to 34566. [2021-11-04 06:09:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34566 states, 34223 states have (on average 1.3367618268415977) internal successors, (45748), 34301 states have internal predecessors, (45748), 317 states have call successors, (317), 25 states have call predecessors, (317), 25 states have return successors, (317), 313 states have call predecessors, (317), 317 states have call successors, (317) [2021-11-04 06:09:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34566 states to 34566 states and 46382 transitions. [2021-11-04 06:09:11,587 INFO L78 Accepts]: Start accepts. Automaton has 34566 states and 46382 transitions. Word has length 44 [2021-11-04 06:09:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 06:09:11,588 INFO L470 AbstractCegarLoop]: Abstraction has 34566 states and 46382 transitions. [2021-11-04 06:09:11,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 06:09:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 34566 states and 46382 transitions. [2021-11-04 06:09:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-04 06:09:11,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 06:09:11,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 06:09:11,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 06:09:11,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 06:09:11,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 06:09:11,600 INFO L85 PathProgramCache]: Analyzing trace with hash -593282684, now seen corresponding path program 1 times [2021-11-04 06:09:11,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 06:09:11,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163306414] [2021-11-04 06:09:11,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 06:09:11,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 06:09:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 06:09:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 06:09:11,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 06:09:11,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163306414] [2021-11-04 06:09:11,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163306414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 06:09:11,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 06:09:11,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 06:09:11,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607795470] [2021-11-04 06:09:11,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 06:09:11,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 06:09:11,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 06:09:11,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 06:09:11,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 06:09:11,899 INFO L87 Difference]: Start difference. First operand 34566 states and 46382 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 06:09:14,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 06:10:16,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 06:18:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 06:18:31,868 INFO L93 Difference]: Finished difference Result 69126 states and 92763 transitions. [2021-11-04 06:18:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 06:18:31,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-04 06:18:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 06:18:32,027 INFO L225 Difference]: With dead ends: 69126 [2021-11-04 06:18:32,028 INFO L226 Difference]: Without dead ends: 34572 [2021-11-04 06:18:32,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.96ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 06:18:32,263 INFO L933 BasicCegarLoop]: 634 mSDtfsCounter, 0 mSDsluCounter, 46359 mSDsCounter, 0 mSdLazyCounter, 91486 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 497368.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 91498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 590.55ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91486 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 555795.31ms IncrementalHoareTripleChecker+Time [2021-11-04 06:18:32,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1268 Invalid, 91498 Unknown, 0 Unchecked, 590.55ms Time], IncrementalHoareTripleChecker [10 Valid, 91486 Invalid, 2 Unknown, 0 Unchecked, 555795.31ms Time] [2021-11-04 06:18:32,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34572 states. [2021-11-04 06:18:32,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34572 to 34572. [2021-11-04 06:18:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34572 states, 34229 states have (on average 1.336702795874843) internal successors, (45754), 34307 states have internal predecessors, (45754), 317 states have call successors, (317), 25 states have call predecessors, (317), 25 states have return successors, (317), 313 states have call predecessors, (317), 317 states have call successors, (317) [2021-11-04 06:18:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34572 states to 34572 states and 46388 transitions. [2021-11-04 06:18:33,011 INFO L78 Accepts]: Start accepts. Automaton has 34572 states and 46388 transitions. Word has length 44 [2021-11-04 06:18:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 06:18:33,011 INFO L470 AbstractCegarLoop]: Abstraction has 34572 states and 46388 transitions. [2021-11-04 06:18:33,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 06:18:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 34572 states and 46388 transitions. [2021-11-04 06:18:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-04 06:18:33,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 06:18:33,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 06:18:33,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 06:18:33,014 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 06:18:33,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 06:18:33,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1835230938, now seen corresponding path program 1 times [2021-11-04 06:18:33,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 06:18:33,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674095702] [2021-11-04 06:18:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 06:18:33,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 06:18:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 06:18:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-04 06:18:33,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 06:18:33,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674095702] [2021-11-04 06:18:33,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674095702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 06:18:33,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 06:18:33,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 06:18:33,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099816563] [2021-11-04 06:18:33,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 06:18:33,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 06:18:33,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 06:18:33,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 06:18:33,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 06:18:33,256 INFO L87 Difference]: Start difference. First operand 34572 states and 46388 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 06:18:35,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15