./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.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 e57b227c3abe31be68752eb7f86364cb989c58b5c435217a8e7dfebd98179f97 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 22:41:04,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:41:04,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:41:04,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:41:04,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:41:04,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:41:04,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:41:04,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:41:04,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:41:04,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:41:04,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:41:04,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:41:04,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:41:04,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:41:04,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:41:04,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:41:04,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:41:04,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:41:04,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:41:04,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:41:04,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:41:04,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:41:04,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:41:04,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:41:04,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:41:04,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:41:04,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:41:04,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:41:04,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:41:04,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:41:04,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:41:04,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:41:04,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:41:04,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:41:04,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:41:04,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:41:04,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:41:04,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:41:04,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:41:04,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:41:04,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:41:04,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:41:04,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:41:04,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:41:04,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:41:04,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:41:04,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:41:04,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:41:04,168 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:41:04,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:41:04,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:41:04,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:41:04,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:41:04,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:41:04,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:41:04,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:41:04,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:41:04,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:41:04,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:41:04,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e57b227c3abe31be68752eb7f86364cb989c58b5c435217a8e7dfebd98179f97 [2021-11-02 22:41:04,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:41:04,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:41:04,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:41:04,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:41:04,359 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:41:04,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-02 22:41:04,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab5e2a8a8/e12d91bef6954e0a83764660db868dae/FLAG7a33d7aa4 [2021-11-02 22:41:05,025 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:41:05,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-02 22:41:05,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab5e2a8a8/e12d91bef6954e0a83764660db868dae/FLAG7a33d7aa4 [2021-11-02 22:41:05,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab5e2a8a8/e12d91bef6954e0a83764660db868dae [2021-11-02 22:41:05,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:41:05,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:41:05,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:41:05,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:41:05,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:41:05,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:41:05" (1/1) ... [2021-11-02 22:41:05,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eebdc10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:05, skipping insertion in model container [2021-11-02 22:41:05,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:41:05" (1/1) ... [2021-11-02 22:41:05,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:41:05,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:41:07,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[420903,420916] [2021-11-02 22:41:07,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:41:07,627 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:41:07,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[420903,420916] [2021-11-02 22:41:07,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:41:08,076 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:41:08,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08 WrapperNode [2021-11-02 22:41:08,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:41:08,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:41:08,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:41:08,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:41:08,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:41:08,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:41:08,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:41:08,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:41:08,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:08,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:09,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:09,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:41:09,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:41:09,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:41:09,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:41:09,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (1/1) ... [2021-11-02 22:41:09,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:41:09,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 22:41:09,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:41:09,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:41:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-02 22:41:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-02 22:41:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-02 22:41:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2021-11-02 22:41:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2021-11-02 22:41:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:41:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:41:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2021-11-02 22:41:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2021-11-02 22:41:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2021-11-02 22:41:09,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2021-11-02 22:41:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2021-11-02 22:41:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2021-11-02 22:41:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:41:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:41:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2021-11-02 22:41:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2021-11-02 22:41:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2021-11-02 22:41:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2021-11-02 22:41:09,221 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2021-11-02 22:41:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2021-11-02 22:41:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2021-11-02 22:41:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2021-11-02 22:41:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:41:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2021-11-02 22:41:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:41:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2021-11-02 22:41:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2021-11-02 22:41:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2021-11-02 22:41:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2021-11-02 22:41:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:41:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:41:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:41:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2021-11-02 22:41:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2021-11-02 22:41:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2021-11-02 22:41:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2021-11-02 22:41:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-02 22:41:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:41:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:41:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2021-11-02 22:41:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2021-11-02 22:41:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2021-11-02 22:41:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2021-11-02 22:42:05,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:42:05,163 INFO L299 CfgBuilder]: Removed 2056 assume(true) statements. [2021-11-02 22:42:05,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:42:05 BoogieIcfgContainer [2021-11-02 22:42:05,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:42:05,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:42:05,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:42:05,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:42:05,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:41:05" (1/3) ... [2021-11-02 22:42:05,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0c59f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:42:05, skipping insertion in model container [2021-11-02 22:42:05,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:41:08" (2/3) ... [2021-11-02 22:42:05,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0c59f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:42:05, skipping insertion in model container [2021-11-02 22:42:05,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:42:05" (3/3) ... [2021-11-02 22:42:05,184 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-02 22:42:05,188 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:42:05,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-02 22:42:05,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:42:05,255 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:42:05,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-02 22:42:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 3620 states, 3414 states have (on average 1.4745166959578206) internal successors, (5034), 3436 states have internal predecessors, (5034), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-02 22:42:05,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-02 22:42:05,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:42:05,341 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:42:05,342 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:42:05,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:42:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash -534271952, now seen corresponding path program 1 times [2021-11-02 22:42:05,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:42:05,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222353772] [2021-11-02 22:42:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:42:05,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:42:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:42:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:42:06,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:42:06,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222353772] [2021-11-02 22:42:06,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222353772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:42:06,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:42:06,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:42:06,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285926500] [2021-11-02 22:42:06,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:42:06,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:42:06,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:42:06,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:42:06,272 INFO L87 Difference]: Start difference. First operand has 3620 states, 3414 states have (on average 1.4745166959578206) internal successors, (5034), 3436 states have internal predecessors, (5034), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) Second operand has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:42:08,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:42:36,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:42:43,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:42:48,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:42:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:42:52,765 INFO L93 Difference]: Finished difference Result 7236 states and 10753 transitions. [2021-11-02 22:42:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:42:52,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 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 185 [2021-11-02 22:42:52,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:42:52,803 INFO L225 Difference]: With dead ends: 7236 [2021-11-02 22:42:52,804 INFO L226 Difference]: Without dead ends: 3595 [2021-11-02 22:42:52,833 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 [2021-11-02 22:42:52,837 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4916 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42544.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 4920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4916 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45652.22ms IncrementalHoareTripleChecker+Time [2021-11-02 22:42:52,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 4920 Unknown, 0 Unchecked, 51.24ms Time], IncrementalHoareTripleChecker [0 Valid, 4916 Invalid, 4 Unknown, 0 Unchecked, 45652.22ms Time] [2021-11-02 22:42:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2021-11-02 22:42:53,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 3595. [2021-11-02 22:42:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3595 states, 3390 states have (on average 1.4436578171091445) internal successors, (4894), 3411 states have internal predecessors, (4894), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-02 22:42:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 5170 transitions. [2021-11-02 22:42:53,041 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 5170 transitions. Word has length 185 [2021-11-02 22:42:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:42:53,041 INFO L470 AbstractCegarLoop]: Abstraction has 3595 states and 5170 transitions. [2021-11-02 22:42:53,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:42:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 5170 transitions. [2021-11-02 22:42:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-02 22:42:53,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:42:53,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:42:53,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:42:53,047 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:42:53,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:42:53,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1179309336, now seen corresponding path program 1 times [2021-11-02 22:42:53,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:42:53,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862108203] [2021-11-02 22:42:53,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:42:53,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:42:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:42:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:42:53,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:42:53,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862108203] [2021-11-02 22:42:53,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862108203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:42:53,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:42:53,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:42:53,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051479842] [2021-11-02 22:42:53,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:42:53,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:42:53,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:42:53,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:42:53,782 INFO L87 Difference]: Start difference. First operand 3595 states and 5170 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:42:55,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:44:10,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:44:14,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:44:17,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:44:22,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:44:25,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:44:35,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:44:35,033 INFO L93 Difference]: Finished difference Result 7033 states and 10189 transitions. [2021-11-02 22:44:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:44:35,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 185 [2021-11-02 22:44:35,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:44:35,050 INFO L225 Difference]: With dead ends: 7033 [2021-11-02 22:44:35,051 INFO L226 Difference]: Without dead ends: 3602 [2021-11-02 22:44:35,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.64ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:44:35,066 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 0 mSDsluCounter, 5134 mSDsCounter, 0 mSdLazyCounter, 9769 mSolverCounterSat, 12 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95728.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 9787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 113.87ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 9769 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100471.22ms IncrementalHoareTripleChecker+Time [2021-11-02 22:44:35,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 9787 Unknown, 0 Unchecked, 113.87ms Time], IncrementalHoareTripleChecker [12 Valid, 9769 Invalid, 6 Unknown, 0 Unchecked, 100471.22ms Time] [2021-11-02 22:44:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2021-11-02 22:44:35,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 3602. [2021-11-02 22:44:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 3397 states have (on average 1.442743597291728) internal successors, (4901), 3418 states have internal predecessors, (4901), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-02 22:44:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 5177 transitions. [2021-11-02 22:44:35,137 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 5177 transitions. Word has length 185 [2021-11-02 22:44:35,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:44:35,139 INFO L470 AbstractCegarLoop]: Abstraction has 3602 states and 5177 transitions. [2021-11-02 22:44:35,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 5177 transitions. [2021-11-02 22:44:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-02 22:44:35,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:44:35,141 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:44:35,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:44:35,141 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:44:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:44:35,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1971765608, now seen corresponding path program 1 times [2021-11-02 22:44:35,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:44:35,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793146815] [2021-11-02 22:44:35,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:44:35,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:44:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:44:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 22:44:35,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:44:35,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793146815] [2021-11-02 22:44:35,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793146815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:44:35,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:44:35,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:44:35,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607995668] [2021-11-02 22:44:35,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:44:35,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:44:35,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:44:35,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:44:35,795 INFO L87 Difference]: Start difference. First operand 3602 states and 5177 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:44:37,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:45:49,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:46:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:46:05,868 INFO L93 Difference]: Finished difference Result 7033 states and 10181 transitions. [2021-11-02 22:46:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:46:05,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 188 [2021-11-02 22:46:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:46:05,889 INFO L225 Difference]: With dead ends: 7033 [2021-11-02 22:46:05,889 INFO L226 Difference]: Without dead ends: 3603 [2021-11-02 22:46:05,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:46:05,912 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 0 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 9783 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85239.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 9785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9783 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89573.96ms IncrementalHoareTripleChecker+Time [2021-11-02 22:46:05,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 552 Invalid, 9785 Unknown, 0 Unchecked, 67.15ms Time], IncrementalHoareTripleChecker [0 Valid, 9783 Invalid, 2 Unknown, 0 Unchecked, 89573.96ms Time] [2021-11-02 22:46:05,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3603 states. [2021-11-02 22:46:05,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3603 to 3603. [2021-11-02 22:46:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3603 states, 3398 states have (on average 1.442613301942319) internal successors, (4902), 3419 states have internal predecessors, (4902), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-02 22:46:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 5178 transitions. [2021-11-02 22:46:05,989 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 5178 transitions. Word has length 188 [2021-11-02 22:46:05,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:46:05,990 INFO L470 AbstractCegarLoop]: Abstraction has 3603 states and 5178 transitions. [2021-11-02 22:46:05,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 5178 transitions. [2021-11-02 22:46:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-02 22:46:05,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:46:05,993 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:46:05,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:46:05,993 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:46:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:46:05,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1129878940, now seen corresponding path program 1 times [2021-11-02 22:46:05,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:46:05,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254839558] [2021-11-02 22:46:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:46:05,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:46:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:46:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:46:06,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:46:06,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254839558] [2021-11-02 22:46:06,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254839558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:46:06,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:46:06,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:46:06,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411327112] [2021-11-02 22:46:06,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:46:06,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:46:06,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:46:06,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:46:06,531 INFO L87 Difference]: Start difference. First operand 3603 states and 5178 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:46:08,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:47:21,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:47:25,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:47:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:47:44,033 INFO L93 Difference]: Finished difference Result 10417 states and 15127 transitions. [2021-11-02 22:47:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:47:44,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 189 [2021-11-02 22:47:44,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:47:44,069 INFO L225 Difference]: With dead ends: 10417 [2021-11-02 22:47:44,069 INFO L226 Difference]: Without dead ends: 6993 [2021-11-02 22:47:44,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:47:44,089 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 4940 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 9832 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90409.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4941 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 9836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 97.56ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9832 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96647.77ms IncrementalHoareTripleChecker+Time [2021-11-02 22:47:44,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4941 Valid, 692 Invalid, 9836 Unknown, 0 Unchecked, 97.56ms Time], IncrementalHoareTripleChecker [1 Valid, 9832 Invalid, 3 Unknown, 0 Unchecked, 96647.77ms Time] [2021-11-02 22:47:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2021-11-02 22:47:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6925. [2021-11-02 22:47:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6925 states, 6534 states have (on average 1.458065503520049) internal successors, (9527), 6558 states have internal predecessors, (9527), 276 states have call successors, (276), 96 states have call predecessors, (276), 96 states have return successors, (277), 272 states have call predecessors, (277), 276 states have call successors, (277) [2021-11-02 22:47:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6925 states to 6925 states and 10080 transitions. [2021-11-02 22:47:44,319 INFO L78 Accepts]: Start accepts. Automaton has 6925 states and 10080 transitions. Word has length 189 [2021-11-02 22:47:44,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:47:44,319 INFO L470 AbstractCegarLoop]: Abstraction has 6925 states and 10080 transitions. [2021-11-02 22:47:44,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6925 states and 10080 transitions. [2021-11-02 22:47:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-02 22:47:44,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:47:44,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:47:44,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:47:44,324 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting pccard_read_tupleErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:47:44,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:47:44,325 INFO L85 PathProgramCache]: Analyzing trace with hash -453769271, now seen corresponding path program 1 times [2021-11-02 22:47:44,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:47:44,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181600231] [2021-11-02 22:47:44,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:47:44,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:47:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:47:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:47:44,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:47:44,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181600231] [2021-11-02 22:47:44,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181600231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:47:44,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:47:44,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:47:44,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357767528] [2021-11-02 22:47:44,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:47:44,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:47:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:47:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:47:44,825 INFO L87 Difference]: Start difference. First operand 6925 states and 10080 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:47:46,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:49:04,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:49:25,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:49:25,668 INFO L93 Difference]: Finished difference Result 20231 states and 29580 transitions. [2021-11-02 22:49:25,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:49:25,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-11-02 22:49:25,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:49:25,742 INFO L225 Difference]: With dead ends: 20231 [2021-11-02 22:49:25,742 INFO L226 Difference]: Without dead ends: 13485 [2021-11-02 22:49:25,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:49:25,774 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 4827 mSDsluCounter, 5131 mSDsCounter, 0 mSdLazyCounter, 9904 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92963.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4828 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 9907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 90.91ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9904 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99858.72ms IncrementalHoareTripleChecker+Time [2021-11-02 22:49:25,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4828 Valid, 685 Invalid, 9907 Unknown, 0 Unchecked, 90.91ms Time], IncrementalHoareTripleChecker [1 Valid, 9904 Invalid, 2 Unknown, 0 Unchecked, 99858.72ms Time] [2021-11-02 22:49:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13485 states. [2021-11-02 22:49:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13485 to 13420. [2021-11-02 22:49:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13420 states, 12673 states have (on average 1.464373076619585) internal successors, (18558), 12703 states have internal predecessors, (18558), 536 states have call successors, (536), 192 states have call predecessors, (536), 192 states have return successors, (540), 528 states have call predecessors, (540), 536 states have call successors, (540) [2021-11-02 22:49:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13420 states to 13420 states and 19634 transitions. [2021-11-02 22:49:26,085 INFO L78 Accepts]: Start accepts. Automaton has 13420 states and 19634 transitions. Word has length 205 [2021-11-02 22:49:26,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:49:26,086 INFO L470 AbstractCegarLoop]: Abstraction has 13420 states and 19634 transitions. [2021-11-02 22:49:26,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:49:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 13420 states and 19634 transitions. [2021-11-02 22:49:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-02 22:49:26,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:49:26,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:49:26,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:49:26,089 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting verify_cis_cacheErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:49:26,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:49:26,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1089410054, now seen corresponding path program 1 times [2021-11-02 22:49:26,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:49:26,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329315578] [2021-11-02 22:49:26,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:49:26,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:49:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:49:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:49:26,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:49:26,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329315578] [2021-11-02 22:49:26,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329315578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:49:26,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:49:26,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:49:26,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759115858] [2021-11-02 22:49:26,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:49:26,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:49:26,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:49:26,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:49:26,648 INFO L87 Difference]: Start difference. First operand 13420 states and 19634 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:49:28,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:50:02,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:50:08,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:50:22,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:51:01,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:51:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:51:20,596 INFO L93 Difference]: Finished difference Result 39341 states and 57744 transitions. [2021-11-02 22:51:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:51:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-11-02 22:51:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:51:20,715 INFO L225 Difference]: With dead ends: 39341 [2021-11-02 22:51:20,715 INFO L226 Difference]: Without dead ends: 26100 [2021-11-02 22:51:20,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:51:20,781 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 4736 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 10549 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104531.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4739 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 10555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 78.37ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10549 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112818.73ms IncrementalHoareTripleChecker+Time [2021-11-02 22:51:20,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4739 Valid, 692 Invalid, 10555 Unknown, 0 Unchecked, 78.37ms Time], IncrementalHoareTripleChecker [1 Valid, 10549 Invalid, 5 Unknown, 0 Unchecked, 112818.73ms Time] [2021-11-02 22:51:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26100 states. [2021-11-02 22:51:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26100 to 26062. [2021-11-02 22:51:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26062 states, 24627 states have (on average 1.4694441060624517) internal successors, (36188), 24669 states have internal predecessors, (36188), 1032 states have call successors, (1032), 384 states have call predecessors, (1032), 384 states have return successors, (1050), 1016 states have call predecessors, (1050), 1032 states have call successors, (1050) [2021-11-02 22:51:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26062 states to 26062 states and 38270 transitions. [2021-11-02 22:51:21,354 INFO L78 Accepts]: Start accepts. Automaton has 26062 states and 38270 transitions. Word has length 207 [2021-11-02 22:51:21,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:51:21,355 INFO L470 AbstractCegarLoop]: Abstraction has 26062 states and 38270 transitions. [2021-11-02 22:51:21,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:51:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 26062 states and 38270 transitions. [2021-11-02 22:51:21,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-02 22:51:21,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:51:21,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:51:21,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:51:21,358 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting pccard_loop_tupleErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:51:21,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:51:21,358 INFO L85 PathProgramCache]: Analyzing trace with hash 99205663, now seen corresponding path program 1 times [2021-11-02 22:51:21,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:51:21,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870442311] [2021-11-02 22:51:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:51:21,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:51:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:51:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:51:21,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:51:21,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870442311] [2021-11-02 22:51:21,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870442311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:51:21,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:51:21,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:51:21,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082676337] [2021-11-02 22:51:21,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:51:21,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:51:21,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:51:21,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:51:21,877 INFO L87 Difference]: Start difference. First operand 26062 states and 38270 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:51:24,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:51:55,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:52:02,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:52:56,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:53:06,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:53:20,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:53:20,738 INFO L93 Difference]: Finished difference Result 77248 states and 113851 transitions. [2021-11-02 22:53:20,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:53:20,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2021-11-02 22:53:20,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:53:21,039 INFO L225 Difference]: With dead ends: 77248 [2021-11-02 22:53:21,039 INFO L226 Difference]: Without dead ends: 51365 [2021-11-02 22:53:21,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:53:21,172 INFO L933 BasicCegarLoop]: 435 mSDtfsCounter, 4844 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 10686 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107713.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 10692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 82.06ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10686 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117125.75ms IncrementalHoareTripleChecker+Time [2021-11-02 22:53:21,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4868 Valid, 711 Invalid, 10692 Unknown, 0 Unchecked, 82.06ms Time], IncrementalHoareTripleChecker [1 Valid, 10686 Invalid, 5 Unknown, 0 Unchecked, 117125.75ms Time] [2021-11-02 22:53:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51365 states. [2021-11-02 22:53:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51365 to 51322. [2021-11-02 22:53:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51322 states, 48479 states have (on average 1.472720146867716) internal successors, (71396), 48545 states have internal predecessors, (71396), 2056 states have call successors, (2056), 768 states have call predecessors, (2056), 768 states have return successors, (2280), 2024 states have call predecessors, (2280), 2056 states have call successors, (2280) [2021-11-02 22:53:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51322 states to 51322 states and 75732 transitions. [2021-11-02 22:53:22,309 INFO L78 Accepts]: Start accepts. Automaton has 51322 states and 75732 transitions. Word has length 218 [2021-11-02 22:53:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:53:22,311 INFO L470 AbstractCegarLoop]: Abstraction has 51322 states and 75732 transitions. [2021-11-02 22:53:22,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:53:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 51322 states and 75732 transitions. [2021-11-02 22:53:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-02 22:53:22,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:53:22,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:53:22,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:53:22,315 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting pccard_loop_tupleErr0ASSERT_VIOLATIONERROR_FUNCTION === [pcmcia_card_addErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr0ASSERT_VIOLATIONERROR_FUNCTION, pcmcia_device_queryErr1ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-02 22:53:22,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:53:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1560181570, now seen corresponding path program 1 times [2021-11-02 22:53:22,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:53:22,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380023569] [2021-11-02 22:53:22,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:53:22,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:53:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:53:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:53:23,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:53:23,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380023569] [2021-11-02 22:53:23,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380023569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:53:23,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:53:23,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:53:23,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949166365] [2021-11-02 22:53:23,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:53:23,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:53:23,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:53:23,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:53:23,182 INFO L87 Difference]: Start difference. First operand 51322 states and 75732 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 1 states have call successors, (8), 1 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:53:25,333 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 [] [2021-11-02 22:53:26,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:54:41,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:54:49,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:54:57,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 22:55:04,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] Killed by 15