./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.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-08_1a-drivers--message--fusion--mptbase.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 a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 20:19:32,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 20:19:32,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 20:19:32,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 20:19:32,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 20:19:32,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 20:19:32,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 20:19:32,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 20:19:32,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 20:19:32,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 20:19:32,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 20:19:32,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 20:19:32,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 20:19:32,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 20:19:32,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 20:19:32,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 20:19:32,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 20:19:32,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 20:19:32,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 20:19:32,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 20:19:32,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 20:19:32,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 20:19:32,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 20:19:32,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 20:19:32,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 20:19:32,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 20:19:32,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 20:19:32,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 20:19:32,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 20:19:32,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 20:19:32,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 20:19:32,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 20:19:32,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 20:19:32,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 20:19:32,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 20:19:32,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 20:19:32,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 20:19:32,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 20:19:32,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 20:19:32,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 20:19:32,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 20:19:32,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 20:19:32,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 20:19:32,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 20:19:32,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 20:19:32,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 20:19:32,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 20:19:32,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 20:19:32,352 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 20:19:32,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 20:19:32,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 20:19:32,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 20:19:32,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 20:19:32,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 20:19:32,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 20:19:32,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 20:19:32,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 20:19:32,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 20:19:32,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 20:19:32,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 20:19:32,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 20:19:32,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 20:19:32,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 20:19:32,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 20:19:32,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 20:19:32,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 20:19:32,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 20:19:32,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 20:19:32,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 20:19:32,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 20:19:32,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 20:19:32,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a800ce821f0027a37295e74d8d23d805ad4cea4862f5e6322de6c247d42f91b2 [2021-11-02 20:19:32,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 20:19:32,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 20:19:32,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 20:19:32,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 20:19:32,603 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 20:19:32,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-02 20:19:32,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187a4f7ed/39cd43ed0f5e4d41af6e221385fa0627/FLAG3b7532bb0 [2021-11-02 20:19:33,429 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 20:19:33,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-02 20:19:33,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187a4f7ed/39cd43ed0f5e4d41af6e221385fa0627/FLAG3b7532bb0 [2021-11-02 20:19:33,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/187a4f7ed/39cd43ed0f5e4d41af6e221385fa0627 [2021-11-02 20:19:33,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 20:19:33,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 20:19:33,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 20:19:33,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 20:19:33,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 20:19:33,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:33" (1/1) ... [2021-11-02 20:19:33,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef19fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:33, skipping insertion in model container [2021-11-02 20:19:33,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:19:33" (1/1) ... [2021-11-02 20:19:33,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 20:19:33,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 20:19:36,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-02 20:19:36,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 20:19:36,637 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 20:19:37,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i[442757,442770] [2021-11-02 20:19:37,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 20:19:37,182 INFO L208 MainTranslator]: Completed translation [2021-11-02 20:19:37,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37 WrapperNode [2021-11-02 20:19:37,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 20:19:37,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 20:19:37,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 20:19:37,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 20:19:37,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:37,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:38,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 20:19:38,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 20:19:38,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 20:19:38,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 20:19:38,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:38,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:38,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:38,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:39,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:39,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:39,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:39,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 20:19:39,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 20:19:39,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 20:19:39,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 20:19:39,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (1/1) ... [2021-11-02 20:19:39,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 20:19:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 20:19:39,908 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 20:19:39,927 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 20:19:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 20:19:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 20:19:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_Soft_Hard_ResetHandler [2021-11-02 20:19:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_Soft_Hard_ResetHandler [2021-11-02 20:19:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure KickStart [2021-11-02 20:19:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure KickStart [2021-11-02 20:19:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_readScsiDevicePageHeaders [2021-11-02 20:19:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_readScsiDevicePageHeaders [2021-11-02 20:19:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_manufacturing_pg_0 [2021-11-02 20:19:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_manufacturing_pg_0 [2021-11-02 20:19:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_3 [2021-11-02 20:19:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_3 [2021-11-02 20:19:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_4 [2021-11-02 20:19:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_4 [2021-11-02 20:19:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_read_ioc_pg_1 [2021-11-02 20:19:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_read_ioc_pg_1 [2021-11-02 20:19:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_signal_reset [2021-11-02 20:19:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_signal_reset [2021-11-02 20:19:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 20:19:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_raid_phys_disk_pg0 [2021-11-02 20:19:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_raid_phys_disk_pg0 [2021-11-02 20:19:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure MakeIocReady [2021-11-02 20:19:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure MakeIocReady [2021-11-02 20:19:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 20:19:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_HardResetHandler [2021-11-02 20:19:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_HardResetHandler [2021-11-02 20:19:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-02 20:19:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-02 20:19:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 20:19:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 20:19:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-02 20:19:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_SoftResetHandler [2021-11-02 20:19:39,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_SoftResetHandler [2021-11-02 20:19:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure mptbase_sas_persist_operation [2021-11-02 20:19:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mptbase_sas_persist_operation [2021-11-02 20:19:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure GetIoUnitPage2 [2021-11-02 20:19:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure GetIoUnitPage2 [2021-11-02 20:19:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 20:19:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-02 20:19:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-02 20:19:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 20:19:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 20:19:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_inactive_raid_volumes [2021-11-02 20:19:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_inactive_raid_volumes [2021-11-02 20:19:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_diag_reset [2021-11-02 20:19:39,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_diag_reset [2021-11-02 20:19:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 20:19:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_fault_reset_work [2021-11-02 20:19:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_fault_reset_work [2021-11-02 20:19:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_13 [2021-11-02 20:19:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_13 [2021-11-02 20:19:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2021-11-02 20:19:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2021-11-02 20:19:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 20:19:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_detach [2021-11-02 20:19:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_detach [2021-11-02 20:19:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 20:19:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 20:19:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_do_ioc_recovery [2021-11-02 20:19:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_do_ioc_recovery [2021-11-02 20:19:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 20:19:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 20:19:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure GetLanConfigPages [2021-11-02 20:19:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure GetLanConfigPages [2021-11-02 20:19:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-02 20:19:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-02 20:19:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_findImVolumes [2021-11-02 20:19:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_findImVolumes [2021-11-02 20:19:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetScsiPortSettings [2021-11-02 20:19:39,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetScsiPortSettings [2021-11-02 20:19:39,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 20:19:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 20:19:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_attach [2021-11-02 20:19:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_attach [2021-11-02 20:19:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 20:19:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-02 20:19:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 20:19:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 20:19:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2021-11-02 20:19:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2021-11-02 20:21:38,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 20:21:38,674 INFO L299 CfgBuilder]: Removed 6511 assume(true) statements. [2021-11-02 20:21:38,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:21:38 BoogieIcfgContainer [2021-11-02 20:21:38,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 20:21:38,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 20:21:38,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 20:21:38,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 20:21:38,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:19:33" (1/3) ... [2021-11-02 20:21:38,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389e812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:21:38, skipping insertion in model container [2021-11-02 20:21:38,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:19:37" (2/3) ... [2021-11-02 20:21:38,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389e812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:21:38, skipping insertion in model container [2021-11-02 20:21:38,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:21:38" (3/3) ... [2021-11-02 20:21:38,698 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--message--fusion--mptbase.ko-entry_point.cil.out.i [2021-11-02 20:21:38,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 20:21:38,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 20:21:38,790 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 20:21:38,800 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 20:21:38,800 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 20:21:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 12682 states, 12548 states have (on average 1.4929869301880778) internal successors, (18734), 12558 states have internal predecessors, (18734), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-02 20:21:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-02 20:21:38,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 20:21:38,974 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] [2021-11-02 20:21:38,975 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 20:21:38,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 20:21:38,980 INFO L85 PathProgramCache]: Analyzing trace with hash -648009664, now seen corresponding path program 1 times [2021-11-02 20:21:38,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 20:21:38,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302148235] [2021-11-02 20:21:38,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 20:21:38,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 20:21:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 20:21:40,015 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 20:21:40,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 20:21:40,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302148235] [2021-11-02 20:21:40,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302148235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 20:21:40,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 20:21:40,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 20:21:40,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936183031] [2021-11-02 20:21:40,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 20:21:40,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 20:21:40,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 20:21:40,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 20:21:40,103 INFO L87 Difference]: Start difference. First operand has 12682 states, 12548 states have (on average 1.4929869301880778) internal successors, (18734), 12558 states have internal predecessors, (18734), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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 20:21:42,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 20:24:04,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 20:24:04,196 INFO L93 Difference]: Finished difference Result 25306 states and 37896 transitions. [2021-11-02 20:24:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 20:24:04,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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 78 [2021-11-02 20:24:04,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 20:24:04,288 INFO L225 Difference]: With dead ends: 25306 [2021-11-02 20:24:04,288 INFO L226 Difference]: Without dead ends: 12608 [2021-11-02 20:24:04,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 20:24:04,362 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18501 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135451.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 18502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 107.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142210.66ms IncrementalHoareTripleChecker+Time [2021-11-02 20:24:04,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 18502 Unknown, 0 Unchecked, 107.46ms Time], IncrementalHoareTripleChecker [0 Valid, 18501 Invalid, 1 Unknown, 0 Unchecked, 142210.66ms Time] [2021-11-02 20:24:04,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2021-11-02 20:24:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12608. [2021-11-02 20:24:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12608 states, 12475 states have (on average 1.4815230460921844) internal successors, (18482), 12484 states have internal predecessors, (18482), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-02 20:24:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 18684 transitions. [2021-11-02 20:24:04,885 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 18684 transitions. Word has length 78 [2021-11-02 20:24:04,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 20:24:04,886 INFO L470 AbstractCegarLoop]: Abstraction has 12608 states and 18684 transitions. [2021-11-02 20:24:04,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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 20:24:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 18684 transitions. [2021-11-02 20:24:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-02 20:24:04,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 20:24:04,890 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] [2021-11-02 20:24:04,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 20:24:04,891 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 20:24:04,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 20:24:04,892 INFO L85 PathProgramCache]: Analyzing trace with hash 611867342, now seen corresponding path program 1 times [2021-11-02 20:24:04,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 20:24:04,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102869810] [2021-11-02 20:24:04,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 20:24:04,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 20:24:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 20:24:05,720 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 20:24:05,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 20:24:05,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102869810] [2021-11-02 20:24:05,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102869810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 20:24:05,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 20:24:05,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 20:24:05,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624709703] [2021-11-02 20:24:05,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 20:24:05,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 20:24:05,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 20:24:05,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 20:24:05,723 INFO L87 Difference]: Start difference. First operand 12608 states and 18684 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 20:24:07,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 20:24:55,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:24:59,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:25:06,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:25:09,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:25:16,110 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:29:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 20:29:29,817 INFO L93 Difference]: Finished difference Result 25186 states and 37343 transitions. [2021-11-02 20:29:29,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 20:29:29,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2021-11-02 20:29:29,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 20:29:29,879 INFO L225 Difference]: With dead ends: 25186 [2021-11-02 20:29:29,879 INFO L226 Difference]: Without dead ends: 12614 [2021-11-02 20:29:29,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 20:29:29,911 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 0 mSDsluCounter, 18656 mSDsCounter, 0 mSdLazyCounter, 36956 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 309612.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 36967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 277.05ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36956 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 322109.26ms IncrementalHoareTripleChecker+Time [2021-11-02 20:29:29,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 404 Invalid, 36967 Unknown, 0 Unchecked, 277.05ms Time], IncrementalHoareTripleChecker [10 Valid, 36956 Invalid, 1 Unknown, 0 Unchecked, 322109.26ms Time] [2021-11-02 20:29:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12614 states. [2021-11-02 20:29:30,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12614 to 12614. [2021-11-02 20:29:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12614 states, 12481 states have (on average 1.4812915631760275) internal successors, (18488), 12490 states have internal predecessors, (18488), 101 states have call successors, (101), 31 states have call predecessors, (101), 31 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-02 20:29:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12614 states to 12614 states and 18690 transitions. [2021-11-02 20:29:30,185 INFO L78 Accepts]: Start accepts. Automaton has 12614 states and 18690 transitions. Word has length 78 [2021-11-02 20:29:30,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 20:29:30,186 INFO L470 AbstractCegarLoop]: Abstraction has 12614 states and 18690 transitions. [2021-11-02 20:29:30,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 20:29:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12614 states and 18690 transitions. [2021-11-02 20:29:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-02 20:29:30,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 20:29:30,188 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] [2021-11-02 20:29:30,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 20:29:30,189 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 20:29:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 20:29:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash -8079792, now seen corresponding path program 1 times [2021-11-02 20:29:30,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 20:29:30,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501862112] [2021-11-02 20:29:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 20:29:30,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 20:29:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 20:29:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-02 20:29:30,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 20:29:30,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501862112] [2021-11-02 20:29:30,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501862112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 20:29:30,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 20:29:30,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 20:29:30,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011364518] [2021-11-02 20:29:30,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 20:29:30,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 20:29:30,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 20:29:30,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 20:29:30,912 INFO L87 Difference]: Start difference. First operand 12614 states and 18690 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 20:29:33,071 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 20:30:22,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:30:26,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:30:40,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-02 20:30:42,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] Killed by 15