./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/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_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 06:59:32,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:59:32,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:59:32,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:59:32,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:59:32,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:59:32,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:59:32,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:59:32,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:59:32,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:59:32,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:59:32,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:59:32,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:59:32,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:59:32,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:59:32,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:59:32,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:59:32,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:59:32,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:59:32,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:59:32,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:59:32,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:59:32,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:59:32,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:59:32,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:59:32,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:59:32,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:59:32,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:59:32,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:59:32,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:59:32,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:59:32,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:59:32,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:59:32,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:59:32,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:59:32,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:59:32,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:59:32,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:59:32,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:59:32,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:59:32,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:59:32,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:59:32,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:59:32,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:59:32,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:59:32,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:59:32,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:59:32,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:59:32,646 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:59:32,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:59:32,647 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:59:32,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:59:32,647 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:59:32,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:59:32,648 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:59:32,648 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:59:32,649 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:59:32,649 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:59:32,649 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:59:32,649 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:59:32,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:59:32,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:59:32,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:59:32,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:59:32,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:59:32,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:59:32,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:59:32,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:59:32,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:59:32,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:59:32,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:59:32,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:59:32,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:59:32,654 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:59:32,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:59:32,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:59:32,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:59:32,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:59:32,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:59:32,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:59:32,656 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_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 [2022-11-19 06:59:32,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:59:32,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:59:32,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:59:32,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:59:32,940 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:59:32,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/../../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 [2022-11-19 06:59:33,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/data/6d21bed12/7b232c75fa0c4da38c4ac78337849a1a/FLAGd3490db92 [2022-11-19 06:59:33,962 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:59:33,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/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 [2022-11-19 06:59:34,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/data/6d21bed12/7b232c75fa0c4da38c4ac78337849a1a/FLAGd3490db92 [2022-11-19 06:59:34,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/data/6d21bed12/7b232c75fa0c4da38c4ac78337849a1a [2022-11-19 06:59:34,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:59:34,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:59:34,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:59:34,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:59:34,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:59:34,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c1a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:34, skipping insertion in model container [2022-11-19 06:59:34,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:59:34" (1/1) ... [2022-11-19 06:59:34,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:59:34,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:59:37,918 WARN L234 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_6d24194a-95fc-4dce-b5bf-7f6459e605df/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] [2022-11-19 06:59:37,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:59:38,044 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:59:38,747 WARN L234 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_6d24194a-95fc-4dce-b5bf-7f6459e605df/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] [2022-11-19 06:59:38,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:59:38,885 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:59:38,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38 WrapperNode [2022-11-19 06:59:38,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:59:38,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:59:38,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:59:38,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:59:38,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,473 INFO L138 Inliner]: procedures = 317, calls = 5374, calls flagged for inlining = 157, calls inlined = 154, statements flattened = 11432 [2022-11-19 06:59:39,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:59:39,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:59:39,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:59:39,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:59:39,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:39,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:40,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:59:40,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:59:40,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:59:40,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:59:40,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (1/1) ... [2022-11-19 06:59:40,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:59:40,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:59:40,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:59:40,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d24194a-95fc-4dce-b5bf-7f6459e605df/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:59:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2022-11-19 06:59:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2022-11-19 06:59:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2022-11-19 06:59:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2022-11-19 06:59:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 06:59:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2022-11-19 06:59:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2022-11-19 06:59:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:59:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:59:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 06:59:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 06:59:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:59:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:59:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2022-11-19 06:59:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2022-11-19 06:59:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-19 06:59:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-19 06:59:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:59:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:59:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-19 06:59:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-19 06:59:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 06:59:40,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 06:59:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2022-11-19 06:59:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2022-11-19 06:59:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_carrier [2022-11-19 06:59:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_carrier [2022-11-19 06:59:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:59:40,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:59:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-19 06:59:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-19 06:59:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 06:59:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 06:59:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2022-11-19 06:59:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2022-11-19 06:59:40,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2022-11-19 06:59:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2022-11-19 06:59:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:59:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:59:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2022-11-19 06:59:40,280 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2022-11-19 06:59:40,280 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2022-11-19 06:59:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2022-11-19 06:59:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2022-11-19 06:59:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2022-11-19 06:59:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:59:40,281 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:59:40,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:59:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:59:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:59:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:59:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-19 06:59:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-19 06:59:40,282 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2022-11-19 06:59:40,282 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2022-11-19 06:59:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2022-11-19 06:59:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2022-11-19 06:59:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2022-11-19 06:59:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2022-11-19 06:59:40,283 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2022-11-19 06:59:40,283 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2022-11-19 06:59:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 06:59:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 06:59:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:59:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2022-11-19 06:59:40,284 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2022-11-19 06:59:40,284 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2022-11-19 06:59:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2022-11-19 06:59:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2022-11-19 06:59:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2022-11-19 06:59:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2022-11-19 06:59:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2022-11-19 06:59:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2022-11-19 06:59:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2022-11-19 06:59:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:59:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2022-11-19 06:59:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2022-11-19 06:59:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:59:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:59:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2022-11-19 06:59:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2022-11-19 06:59:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2022-11-19 06:59:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2022-11-19 06:59:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:59:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-19 06:59:40,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-19 06:59:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 06:59:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 06:59:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2022-11-19 06:59:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2022-11-19 06:59:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:59:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2022-11-19 06:59:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2022-11-19 06:59:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-19 06:59:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-19 06:59:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2022-11-19 06:59:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2022-11-19 06:59:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2022-11-19 06:59:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2022-11-19 06:59:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure isa_unregister_driver [2022-11-19 06:59:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_unregister_driver [2022-11-19 06:59:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 06:59:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 06:59:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2022-11-19 06:59:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2022-11-19 06:59:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 06:59:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 06:59:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-19 06:59:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-19 06:59:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-19 06:59:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-19 06:59:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2022-11-19 06:59:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2022-11-19 06:59:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-19 06:59:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-19 06:59:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:59:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2022-11-19 06:59:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2022-11-19 06:59:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:59:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:59:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-19 06:59:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-19 06:59:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 06:59:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 06:59:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:59:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-11-19 06:59:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-11-19 06:59:40,294 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2022-11-19 06:59:40,294 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2022-11-19 06:59:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2022-11-19 06:59:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2022-11-19 06:59:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 06:59:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 06:59:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:59:40,295 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2022-11-19 06:59:40,295 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2022-11-19 06:59:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:59:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:59:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_next_carrier [2022-11-19 06:59:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_next_carrier [2022-11-19 06:59:40,296 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2022-11-19 06:59:40,296 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2022-11-19 06:59:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:59:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:59:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2022-11-19 06:59:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2022-11-19 06:59:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2022-11-19 06:59:40,297 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2022-11-19 06:59:40,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 06:59:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 06:59:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-19 06:59:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-19 06:59:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:59:40,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:59:40,298 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2022-11-19 06:59:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2022-11-19 06:59:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:59:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 06:59:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 06:59:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2022-11-19 06:59:40,299 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2022-11-19 06:59:40,299 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2022-11-19 06:59:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2022-11-19 06:59:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 06:59:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 06:59:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2022-11-19 06:59:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2022-11-19 06:59:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2022-11-19 06:59:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2022-11-19 06:59:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:59:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:59:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2022-11-19 06:59:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2022-11-19 06:59:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2022-11-19 06:59:40,301 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2022-11-19 06:59:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:59:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:59:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:59:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:59:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:59:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 06:59:40,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 06:59:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:59:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2022-11-19 06:59:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2022-11-19 06:59:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2022-11-19 06:59:40,303 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2022-11-19 06:59:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:59:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:59:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:59:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2022-11-19 06:59:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2022-11-19 06:59:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2022-11-19 06:59:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2022-11-19 06:59:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 06:59:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 06:59:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-19 06:59:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-19 06:59:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2022-11-19 06:59:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2022-11-19 06:59:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2022-11-19 06:59:40,305 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2022-11-19 06:59:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2022-11-19 06:59:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2022-11-19 06:59:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2022-11-19 06:59:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2022-11-19 06:59:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2022-11-19 06:59:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2022-11-19 06:59:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2022-11-19 06:59:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2022-11-19 06:59:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2022-11-19 06:59:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2022-11-19 06:59:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2022-11-19 06:59:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2022-11-19 06:59:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2022-11-19 06:59:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2022-11-19 06:59:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-19 06:59:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-19 06:59:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2022-11-19 06:59:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2022-11-19 06:59:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-19 06:59:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-19 06:59:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 06:59:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 06:59:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2022-11-19 06:59:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2022-11-19 06:59:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-19 06:59:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-19 06:59:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 06:59:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 06:59:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2022-11-19 06:59:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2022-11-19 06:59:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-19 06:59:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-19 06:59:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:59:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-19 06:59:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-19 06:59:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-19 06:59:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-19 06:59:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2022-11-19 06:59:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2022-11-19 06:59:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-19 06:59:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-19 06:59:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-19 06:59:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-19 06:59:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2022-11-19 06:59:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2022-11-19 06:59:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2022-11-19 06:59:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2022-11-19 06:59:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-19 06:59:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-19 06:59:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:59:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:59:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-19 06:59:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-19 06:59:41,501 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:59:41,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:59:42,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:00:17,706 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:00:24,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:00:24,509 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 07:00:24,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:24 BoogieIcfgContainer [2022-11-19 07:00:24,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:00:24,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:00:24,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:00:24,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:00:24,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:59:34" (1/3) ... [2022-11-19 07:00:24,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b367689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:00:24, skipping insertion in model container [2022-11-19 07:00:24,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:59:38" (2/3) ... [2022-11-19 07:00:24,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b367689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:00:24, skipping insertion in model container [2022-11-19 07:00:24,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:00:24" (3/3) ... [2022-11-19 07:00:24,531 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2022-11-19 07:00:24,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:00:24,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:00:24,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:00:24,679 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;@27fed40c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:00:24,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:00:24,693 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) [2022-11-19 07:00:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-19 07:00:24,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:24,721 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] [2022-11-19 07:00:24,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:00:24,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:24,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1731671255, now seen corresponding path program 1 times [2022-11-19 07:00:24,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:24,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760308159] [2022-11-19 07:00:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-19 07:00:25,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:25,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760308159] [2022-11-19 07:00:25,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760308159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:25,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:25,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:00:25,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341663774] [2022-11-19 07:00:25,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:25,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:00:25,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:25,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:00:25,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:00:25,711 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) [2022-11-19 07:00:29,163 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 [] [2022-11-19 07:00:31,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:33,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:35,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:37,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:38,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:40,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:43,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:45,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:52,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:53,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:55,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:56,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:56,814 INFO L93 Difference]: Finished difference Result 8627 states and 13314 transitions. [2022-11-19 07:00:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:00:56,817 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 [2022-11-19 07:00:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:56,868 INFO L225 Difference]: With dead ends: 8627 [2022-11-19 07:00:56,869 INFO L226 Difference]: Without dead ends: 5561 [2022-11-19 07:00:56,891 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 [2022-11-19 07:00:56,894 INFO L413 NwaCegarLoop]: 5848 mSDtfsCounter, 3948 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 10060 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:56,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3955 Valid, 10060 Invalid, 838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 830 Invalid, 6 Unknown, 0 Unchecked, 30.6s Time] [2022-11-19 07:00:56,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-11-19 07:00:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5552. [2022-11-19 07:00:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 3228 states have (on average 1.3234200743494424) internal successors, (4272), 3349 states have internal predecessors, (4272), 2099 states have call successors, (2099), 225 states have call predecessors, (2099), 224 states have return successors, (2101), 2094 states have call predecessors, (2101), 2098 states have call successors, (2101) [2022-11-19 07:00:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 8472 transitions. [2022-11-19 07:00:57,619 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 8472 transitions. Word has length 110 [2022-11-19 07:00:57,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:57,620 INFO L495 AbstractCegarLoop]: Abstraction has 5552 states and 8472 transitions. [2022-11-19 07:00:57,621 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) [2022-11-19 07:00:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 8472 transitions. [2022-11-19 07:00:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-19 07:00:57,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:57,633 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] [2022-11-19 07:00:57,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:00:57,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:00:57,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:57,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1908919602, now seen corresponding path program 1 times [2022-11-19 07:00:57,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:57,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393291569] [2022-11-19 07:00:57,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-19 07:00:58,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:58,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393291569] [2022-11-19 07:00:58,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393291569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:58,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:58,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:00:58,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786801665] [2022-11-19 07:00:58,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:58,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:00:58,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:58,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:00:58,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:58,489 INFO L87 Difference]: Start difference. First operand 5552 states and 8472 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) [2022-11-19 07:01:04,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:05,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:08,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:10,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:13,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:15,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:19,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:21,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:24,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:34,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:35,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:37,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:39,299 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 [] [2022-11-19 07:01:40,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:40,666 INFO L93 Difference]: Finished difference Result 12301 states and 18877 transitions. [2022-11-19 07:01:40,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:01:40,667 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 [2022-11-19 07:01:40,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:40,719 INFO L225 Difference]: With dead ends: 12301 [2022-11-19 07:01:40,719 INFO L226 Difference]: Without dead ends: 6772 [2022-11-19 07:01:40,754 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 [2022-11-19 07:01:40,755 INFO L413 NwaCegarLoop]: 5125 mSDtfsCounter, 612 mSDsluCounter, 14642 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 19767 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:40,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 19767 Invalid, 1821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1811 Invalid, 7 Unknown, 0 Unchecked, 41.7s Time] [2022-11-19 07:01:40,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2022-11-19 07:01:41,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 5552. [2022-11-19 07:01:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 3228 states have (on average 1.322180916976456) internal successors, (4268), 3345 states have internal predecessors, (4268), 2099 states have call successors, (2099), 225 states have call predecessors, (2099), 224 states have return successors, (2101), 2094 states have call predecessors, (2101), 2098 states have call successors, (2101) [2022-11-19 07:01:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 8468 transitions. [2022-11-19 07:01:41,456 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 8468 transitions. Word has length 164 [2022-11-19 07:01:41,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:41,460 INFO L495 AbstractCegarLoop]: Abstraction has 5552 states and 8468 transitions. [2022-11-19 07:01:41,461 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) [2022-11-19 07:01:41,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 8468 transitions. [2022-11-19 07:01:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-19 07:01:41,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:41,474 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] [2022-11-19 07:01:41,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:01:41,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:01:41,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:41,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2007979275, now seen corresponding path program 1 times [2022-11-19 07:01:41,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:41,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682395163] [2022-11-19 07:01:41,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:41,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-19 07:01:42,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:42,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682395163] [2022-11-19 07:01:42,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682395163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:42,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:42,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:01:42,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414151720] [2022-11-19 07:01:42,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:42,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:01:42,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:42,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:01:42,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:42,212 INFO L87 Difference]: Start difference. First operand 5552 states and 8468 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) [2022-11-19 07:01:43,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:45,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:47,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:50,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:52,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:54,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:56,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:58,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:01,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:03,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:04,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:07,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:10,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:13,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:24,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:25,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:27,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:29,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:32,143 INFO L93 Difference]: Finished difference Result 12555 states and 19277 transitions. [2022-11-19 07:02:32,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:02:32,144 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 [2022-11-19 07:02:32,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:32,190 INFO L225 Difference]: With dead ends: 12555 [2022-11-19 07:02:32,190 INFO L226 Difference]: Without dead ends: 7026 [2022-11-19 07:02:32,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:02:32,223 INFO L413 NwaCegarLoop]: 5309 mSDtfsCounter, 718 mSDsluCounter, 15058 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 20367 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:32,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 20367 Invalid, 1868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1856 Invalid, 9 Unknown, 0 Unchecked, 49.6s Time] [2022-11-19 07:02:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7026 states. [2022-11-19 07:02:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7026 to 5552. [2022-11-19 07:02:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 3228 states have (on average 1.321561338289963) internal successors, (4266), 3343 states have internal predecessors, (4266), 2099 states have call successors, (2099), 225 states have call predecessors, (2099), 224 states have return successors, (2101), 2094 states have call predecessors, (2101), 2098 states have call successors, (2101) [2022-11-19 07:02:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 8466 transitions. [2022-11-19 07:02:32,713 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 8466 transitions. Word has length 172 [2022-11-19 07:02:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:32,715 INFO L495 AbstractCegarLoop]: Abstraction has 5552 states and 8466 transitions. [2022-11-19 07:02:32,715 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) [2022-11-19 07:02:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 8466 transitions. [2022-11-19 07:02:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-19 07:02:32,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:32,723 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] [2022-11-19 07:02:32,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:02:32,723 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:02:32,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:32,724 INFO L85 PathProgramCache]: Analyzing trace with hash 479477444, now seen corresponding path program 1 times [2022-11-19 07:02:32,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:32,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604159452] [2022-11-19 07:02:32,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms