./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--scsi--advansys.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:27:23,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:27:23,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:27:23,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:27:23,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:27:23,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:27:23,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:27:23,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:27:23,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:27:23,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:27:23,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:27:23,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:27:23,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:27:23,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:27:23,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:27:23,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:27:23,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:27:23,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:27:23,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:27:23,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:27:23,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:27:23,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:27:23,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:27:23,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:27:23,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:27:23,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:27:23,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:27:23,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:27:23,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:27:23,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:27:23,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:27:23,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:27:23,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:27:23,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:27:23,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:27:23,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:27:23,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:27:23,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:27:23,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:27:23,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:27:23,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:27:23,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:27:23,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:27:23,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:27:23,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:27:23,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:27:23,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:27:23,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:27:23,724 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:27:23,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:27:23,724 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:27:23,725 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:27:23,726 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:27:23,726 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:27:23,726 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:27:23,727 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:27:23,727 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:27:23,727 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:27:23,727 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:27:23,728 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:27:23,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:27:23,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:27:23,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:27:23,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:27:23,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:27:23,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:27:23,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:27:23,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:27:23,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:27:23,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:27:23,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:27:23,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:23,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:27:23,732 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:27:23,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:27:23,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:27:23,733 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:27:23,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:27:23,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:27:23,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:27:23,734 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 [2022-11-03 03:27:24,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:27:24,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:27:24,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:27:24,105 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:27:24,106 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:27:24,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2022-11-03 03:27:24,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/data/ebab5537e/dad5864e424543f4a77a94db5eda69ef/FLAG73c4b76b4 [2022-11-03 03:27:25,303 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:27:25,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2022-11-03 03:27:25,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/data/ebab5537e/dad5864e424543f4a77a94db5eda69ef/FLAG73c4b76b4 [2022-11-03 03:27:25,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/data/ebab5537e/dad5864e424543f4a77a94db5eda69ef [2022-11-03 03:27:25,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:27:25,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:27:25,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:25,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:27:25,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:27:25,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:25" (1/1) ... [2022-11-03 03:27:25,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ed0434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:25, skipping insertion in model container [2022-11-03 03:27:25,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:25" (1/1) ... [2022-11-03 03:27:25,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:27:25,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:27:29,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i[434068,434081] [2022-11-03 03:27:29,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:27:29,218 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:27:30,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i[434068,434081] [2022-11-03 03:27:30,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:27:30,159 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:27:30,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30 WrapperNode [2022-11-03 03:27:30,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:30,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:27:30,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:27:30,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:27:30,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:30,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:30,761 INFO L138 Inliner]: procedures = 317, calls = 5366, calls flagged for inlining = 157, calls inlined = 154, statements flattened = 11270 [2022-11-03 03:27:30,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:27:30,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:27:30,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:27:30,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:27:30,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:30,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:30,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:30,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:31,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:31,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:31,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:31,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:31,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:27:31,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:27:31,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:27:31,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:27:31,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (1/1) ... [2022-11-03 03:27:31,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:31,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:27:31,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:27:31,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e999fbc-02ef-4571-9d3d-4393f2d80501/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:27:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2022-11-03 03:27:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2022-11-03 03:27:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2022-11-03 03:27:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2022-11-03 03:27:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 03:27:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2022-11-03 03:27:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2022-11-03 03:27:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:27:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:27:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 03:27:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 03:27:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:27:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:27:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2022-11-03 03:27:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2022-11-03 03:27:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-03 03:27:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-03 03:27:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:27:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:27:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-03 03:27:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-03 03:27:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:27:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:27:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2022-11-03 03:27:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2022-11-03 03:27:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_carrier [2022-11-03 03:27:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_carrier [2022-11-03 03:27:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:27:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:27:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-03 03:27:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-03 03:27:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 03:27:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 03:27:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2022-11-03 03:27:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2022-11-03 03:27:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2022-11-03 03:27:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2022-11-03 03:27:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:27:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:27:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2022-11-03 03:27:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2022-11-03 03:27:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2022-11-03 03:27:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2022-11-03 03:27:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2022-11-03 03:27:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2022-11-03 03:27:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:27:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:27:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:27:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:27:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:27:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:27:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-03 03:27:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-03 03:27:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2022-11-03 03:27:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2022-11-03 03:27:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2022-11-03 03:27:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2022-11-03 03:27:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2022-11-03 03:27:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2022-11-03 03:27:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2022-11-03 03:27:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2022-11-03 03:27:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 03:27:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 03:27:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:27:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2022-11-03 03:27:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2022-11-03 03:27:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2022-11-03 03:27:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2022-11-03 03:27:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2022-11-03 03:27:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2022-11-03 03:27:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2022-11-03 03:27:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2022-11-03 03:27:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2022-11-03 03:27:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2022-11-03 03:27:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:27:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2022-11-03 03:27:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2022-11-03 03:27:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:27:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:27:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2022-11-03 03:27:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2022-11-03 03:27:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2022-11-03 03:27:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2022-11-03 03:27:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:27:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 03:27:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 03:27:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:27:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:27:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2022-11-03 03:27:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2022-11-03 03:27:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:27:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2022-11-03 03:27:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2022-11-03 03:27:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-03 03:27:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-03 03:27:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2022-11-03 03:27:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2022-11-03 03:27:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2022-11-03 03:27:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2022-11-03 03:27:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure isa_unregister_driver [2022-11-03 03:27:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_unregister_driver [2022-11-03 03:27:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:27:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:27:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2022-11-03 03:27:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2022-11-03 03:27:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 03:27:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 03:27:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-03 03:27:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-03 03:27:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 03:27:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 03:27:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2022-11-03 03:27:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2022-11-03 03:27:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 03:27:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 03:27:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:27:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2022-11-03 03:27:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2022-11-03 03:27:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:27:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:27:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 03:27:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 03:27:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 03:27:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 03:27:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:27:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-11-03 03:27:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-11-03 03:27:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2022-11-03 03:27:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2022-11-03 03:27:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2022-11-03 03:27:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2022-11-03 03:27:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 03:27:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 03:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2022-11-03 03:27:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2022-11-03 03:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:27:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:27:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_next_carrier [2022-11-03 03:27:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_next_carrier [2022-11-03 03:27:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2022-11-03 03:27:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2022-11-03 03:27:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:27:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:27:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2022-11-03 03:27:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2022-11-03 03:27:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2022-11-03 03:27:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2022-11-03 03:27:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:27:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:27:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 03:27:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 03:27:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:27:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:27:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2022-11-03 03:27:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2022-11-03 03:27:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:27:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:27:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:27:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2022-11-03 03:27:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2022-11-03 03:27:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2022-11-03 03:27:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2022-11-03 03:27:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 03:27:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 03:27:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2022-11-03 03:27:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2022-11-03 03:27:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2022-11-03 03:27:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2022-11-03 03:27:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:27:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:27:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2022-11-03 03:27:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2022-11-03 03:27:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2022-11-03 03:27:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2022-11-03 03:27:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:27:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:27:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:27:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:27:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:27:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 03:27:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 03:27:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:27:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2022-11-03 03:27:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2022-11-03 03:27:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2022-11-03 03:27:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2022-11-03 03:27:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:27:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:27:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:27:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2022-11-03 03:27:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2022-11-03 03:27:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2022-11-03 03:27:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2022-11-03 03:27:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 03:27:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 03:27:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 03:27:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 03:27:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2022-11-03 03:27:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2022-11-03 03:27:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2022-11-03 03:27:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2022-11-03 03:27:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2022-11-03 03:27:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2022-11-03 03:27:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2022-11-03 03:27:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2022-11-03 03:27:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2022-11-03 03:27:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2022-11-03 03:27:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2022-11-03 03:27:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2022-11-03 03:27:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2022-11-03 03:27:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2022-11-03 03:27:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2022-11-03 03:27:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2022-11-03 03:27:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2022-11-03 03:27:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2022-11-03 03:27:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 03:27:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 03:27:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2022-11-03 03:27:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2022-11-03 03:27:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-03 03:27:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-03 03:27:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 03:27:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 03:27:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2022-11-03 03:27:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2022-11-03 03:27:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 03:27:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 03:27:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:27:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:27:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2022-11-03 03:27:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2022-11-03 03:27:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-03 03:27:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-03 03:27:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:27:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 03:27:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 03:27:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 03:27:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 03:27:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2022-11-03 03:27:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2022-11-03 03:27:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 03:27:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 03:27:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-03 03:27:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-03 03:27:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2022-11-03 03:27:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2022-11-03 03:27:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2022-11-03 03:27:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2022-11-03 03:27:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-03 03:27:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-03 03:27:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:27:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:27:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-03 03:27:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-03 03:27:33,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:27:33,204 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:27:33,804 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:28:16,924 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:28:22,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:28:22,392 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 03:28:22,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:22 BoogieIcfgContainer [2022-11-03 03:28:22,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:28:22,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:28:22,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:28:22,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:28:22,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:27:25" (1/3) ... [2022-11-03 03:28:22,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5bdd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:28:22, skipping insertion in model container [2022-11-03 03:28:22,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:30" (2/3) ... [2022-11-03 03:28:22,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5bdd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:28:22, skipping insertion in model container [2022-11-03 03:28:22,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:28:22" (3/3) ... [2022-11-03 03:28:22,411 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2022-11-03 03:28:22,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:28:22,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:28:22,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:28:22,551 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48cb4a1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:28:22,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:28:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 3041 states, 1771 states have (on average 1.33201581027668) internal successors, (2359), 1855 states have internal predecessors, (2359), 1154 states have call successors, (1154), 119 states have call predecessors, (1154), 118 states have return successors, (1145), 1144 states have call predecessors, (1145), 1145 states have call successors, (1145) [2022-11-03 03:28:22,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 03:28:22,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:22,583 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:28:22,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:22,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:22,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1402615346, now seen corresponding path program 1 times [2022-11-03 03:28:22,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:22,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007314780] [2022-11-03 03:28:22,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:22,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-03 03:28:23,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:28:23,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007314780] [2022-11-03 03:28:23,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007314780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:28:23,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:28:23,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:28:23,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323745587] [2022-11-03 03:28:23,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:28:23,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:28:23,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:28:23,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:28:23,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:28:23,645 INFO L87 Difference]: Start difference. First operand has 3041 states, 1771 states have (on average 1.33201581027668) internal successors, (2359), 1855 states have internal predecessors, (2359), 1154 states have call successors, (1154), 119 states have call predecessors, (1154), 118 states have return successors, (1145), 1144 states have call predecessors, (1145), 1145 states have call successors, (1145) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 03:28:24,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:27,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:29,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:31,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:34,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:35,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:37,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:39,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:42,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:44,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:28:46,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:52,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:53,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:56,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:56,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:28:56,655 INFO L93 Difference]: Finished difference Result 8576 states and 13228 transitions. [2022-11-03 03:28:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:28:56,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2022-11-03 03:28:56,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:28:56,731 INFO L225 Difference]: With dead ends: 8576 [2022-11-03 03:28:56,731 INFO L226 Difference]: Without dead ends: 5509 [2022-11-03 03:28:56,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:28:56,774 INFO L413 NwaCegarLoop]: 5784 mSDtfsCounter, 3864 mSDsluCounter, 4585 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3869 SdHoareTripleChecker+Valid, 10023 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:28:56,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3869 Valid, 10023 Invalid, 757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 748 Invalid, 7 Unknown, 0 Unchecked, 32.5s Time] [2022-11-03 03:28:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5509 states. [2022-11-03 03:28:57,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5509 to 5499. [2022-11-03 03:28:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 3175 states have (on average 1.3196850393700787) internal successors, (4190), 3298 states have internal predecessors, (4190), 2096 states have call successors, (2096), 228 states have call predecessors, (2096), 227 states have return successors, (2098), 2090 states have call predecessors, (2098), 2095 states have call successors, (2098) [2022-11-03 03:28:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 8384 transitions. [2022-11-03 03:28:57,604 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 8384 transitions. Word has length 110 [2022-11-03 03:28:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:28:57,607 INFO L495 AbstractCegarLoop]: Abstraction has 5499 states and 8384 transitions. [2022-11-03 03:28:57,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 03:28:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 8384 transitions. [2022-11-03 03:28:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-03 03:28:57,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:57,629 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:28:57,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:28:57,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:57,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2069807967, now seen corresponding path program 1 times [2022-11-03 03:28:57,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:57,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334326849] [2022-11-03 03:28:57,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 03:28:58,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:28:58,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334326849] [2022-11-03 03:28:58,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334326849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:28:58,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:28:58,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:28:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341775176] [2022-11-03 03:28:58,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:28:58,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:28:58,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:28:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:28:58,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:28:58,622 INFO L87 Difference]: Start difference. First operand 5499 states and 8384 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:29:00,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:05,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:08,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:10,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:13,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:15,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:19,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:21,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:29:25,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:34,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:35,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:37,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:39,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:42,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:42,692 INFO L93 Difference]: Finished difference Result 12194 states and 18700 transitions. [2022-11-03 03:29:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:29:42,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 164 [2022-11-03 03:29:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:42,745 INFO L225 Difference]: With dead ends: 12194 [2022-11-03 03:29:42,745 INFO L226 Difference]: Without dead ends: 6718 [2022-11-03 03:29:42,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:42,782 INFO L413 NwaCegarLoop]: 5157 mSDtfsCounter, 612 mSDsluCounter, 15962 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 19892 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:42,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 19892 Invalid, 1701 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1689 Invalid, 9 Unknown, 0 Unchecked, 43.7s Time] [2022-11-03 03:29:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6718 states. [2022-11-03 03:29:43,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6718 to 5499. [2022-11-03 03:29:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 3175 states have (on average 1.3184251968503937) internal successors, (4186), 3294 states have internal predecessors, (4186), 2096 states have call successors, (2096), 228 states have call predecessors, (2096), 227 states have return successors, (2098), 2090 states have call predecessors, (2098), 2095 states have call successors, (2098) [2022-11-03 03:29:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 8380 transitions. [2022-11-03 03:29:43,462 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 8380 transitions. Word has length 164 [2022-11-03 03:29:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:43,463 INFO L495 AbstractCegarLoop]: Abstraction has 5499 states and 8380 transitions. [2022-11-03 03:29:43,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:29:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 8380 transitions. [2022-11-03 03:29:43,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-03 03:29:43,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:43,473 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:43,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:29:43,473 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:43,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 797492552, now seen corresponding path program 1 times [2022-11-03 03:29:43,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:43,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010323303] [2022-11-03 03:29:43,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:43,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-03 03:29:44,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:44,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010323303] [2022-11-03 03:29:44,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010323303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:44,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:44,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:29:44,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625071642] [2022-11-03 03:29:44,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:44,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:29:44,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:44,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:29:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:44,203 INFO L87 Difference]: Start difference. First operand 5499 states and 8380 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:29:46,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:50,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:53,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:55,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:57,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:01,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:03,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:07,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:09,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:30:12,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:14,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:23,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:25,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:27,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:29,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:31,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:31,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:31,959 INFO L93 Difference]: Finished difference Result 12194 states and 18692 transitions. [2022-11-03 03:30:31,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:30:31,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-11-03 03:30:31,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:32,004 INFO L225 Difference]: With dead ends: 12194 [2022-11-03 03:30:32,005 INFO L226 Difference]: Without dead ends: 6718 [2022-11-03 03:30:32,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:30:32,029 INFO L413 NwaCegarLoop]: 5150 mSDtfsCounter, 611 mSDsluCounter, 15937 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 19868 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:32,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 19868 Invalid, 1688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1674 Invalid, 11 Unknown, 0 Unchecked, 47.3s Time] [2022-11-03 03:30:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6718 states. [2022-11-03 03:30:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6718 to 5499. [2022-11-03 03:30:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5499 states, 3175 states have (on average 1.317795275590551) internal successors, (4184), 3292 states have internal predecessors, (4184), 2096 states have call successors, (2096), 228 states have call predecessors, (2096), 227 states have return successors, (2098), 2090 states have call predecessors, (2098), 2095 states have call successors, (2098) [2022-11-03 03:30:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 5499 states and 8378 transitions. [2022-11-03 03:30:32,483 INFO L78 Accepts]: Start accepts. Automaton has 5499 states and 8378 transitions. Word has length 172 [2022-11-03 03:30:32,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:32,485 INFO L495 AbstractCegarLoop]: Abstraction has 5499 states and 8378 transitions. [2022-11-03 03:30:32,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:30:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 5499 states and 8378 transitions. [2022-11-03 03:30:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-03 03:30:32,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:32,493 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:32,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:30:32,494 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:32,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:32,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1408013787, now seen corresponding path program 1 times [2022-11-03 03:30:32,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:32,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831214343] [2022-11-03 03:30:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:32,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms