./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 6b4ec56b 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_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/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_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 21:12:43,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:12:43,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:12:43,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:12:43,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:12:43,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:12:43,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:12:43,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:12:43,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:12:43,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:12:43,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:12:43,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:12:43,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:12:43,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:12:43,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:12:43,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:12:43,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:12:43,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:12:43,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:12:43,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:12:43,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:12:43,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:12:43,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:12:43,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:12:43,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:12:43,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:12:43,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:12:43,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:12:43,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:12:43,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:12:43,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:12:43,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:12:43,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:12:43,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:12:43,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:12:43,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:12:43,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:12:43,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:12:43,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:12:43,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:12:43,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:12:43,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:12:43,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:12:43,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:12:43,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:12:43,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:12:43,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:12:43,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:12:43,526 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:12:43,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:12:43,526 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:12:43,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:12:43,527 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:12:43,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:12:43,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:12:43,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:12:43,528 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:12:43,529 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:12:43,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:12:43,529 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:12:43,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:12:43,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:12:43,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:12:43,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:12:43,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:12:43,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:12:43,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:12:43,532 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:12:43,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:12:43,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:12:43,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:12:43,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:12:43,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:12:43,534 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:12:43,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:12:43,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:12:43,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:12:43,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:12:43,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:12:43,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:12:43,535 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_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 [2022-11-20 21:12:43,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:12:43,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:12:43,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:12:43,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:12:43,911 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:12:43,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/../../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 [2022-11-20 21:12:47,103 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:12:47,909 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:12:47,910 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/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 [2022-11-20 21:12:47,988 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/data/e08e55a3b/ce69c9fbb35544928fa9ebb086152286/FLAGd18e8207f [2022-11-20 21:12:48,008 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/data/e08e55a3b/ce69c9fbb35544928fa9ebb086152286 [2022-11-20 21:12:48,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:12:48,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:12:48,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:12:48,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:12:48,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:12:48,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:48" (1/1) ... [2022-11-20 21:12:48,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2dd4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:48, skipping insertion in model container [2022-11-20 21:12:48,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:12:48" (1/1) ... [2022-11-20 21:12:48,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:12:48,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:12:51,395 WARN L237 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_0c6927ed-14cb-49bf-ba5a-89e73885aa60/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] [2022-11-20 21:12:51,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:12:51,519 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:12:52,289 WARN L237 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_0c6927ed-14cb-49bf-ba5a-89e73885aa60/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] [2022-11-20 21:12:52,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:12:52,406 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:12:52,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52 WrapperNode [2022-11-20 21:12:52,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:12:52,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:12:52,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:12:52,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:12:52,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:52,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,092 INFO L138 Inliner]: procedures = 317, calls = 5374, calls flagged for inlining = 157, calls inlined = 154, statements flattened = 11302 [2022-11-20 21:12:53,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:12:53,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:12:53,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:12:53,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:12:53,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:12:53,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:12:53,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:12:53,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:12:53,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (1/1) ... [2022-11-20 21:12:53,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:12:53,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:12:53,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:12:53,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6927ed-14cb-49bf-ba5a-89e73885aa60/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:12:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2022-11-20 21:12:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2022-11-20 21:12:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2022-11-20 21:12:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2022-11-20 21:12:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-20 21:12:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2022-11-20 21:12:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2022-11-20 21:12:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 21:12:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 21:12:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 21:12:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 21:12:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 21:12:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 21:12:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2022-11-20 21:12:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2022-11-20 21:12:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-20 21:12:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-20 21:12:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 21:12:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 21:12:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-20 21:12:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-20 21:12:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 21:12:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 21:12:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2022-11-20 21:12:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2022-11-20 21:12:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_carrier [2022-11-20 21:12:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_carrier [2022-11-20 21:12:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 21:12:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 21:12:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-20 21:12:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-20 21:12:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 21:12:54,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 21:12:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2022-11-20 21:12:54,079 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2022-11-20 21:12:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2022-11-20 21:12:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2022-11-20 21:12:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 21:12:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 21:12:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2022-11-20 21:12:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2022-11-20 21:12:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2022-11-20 21:12:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2022-11-20 21:12:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2022-11-20 21:12:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2022-11-20 21:12:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 21:12:54,082 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 21:12:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 21:12:54,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 21:12:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 21:12:54,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 21:12:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-20 21:12:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-20 21:12:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2022-11-20 21:12:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2022-11-20 21:12:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2022-11-20 21:12:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2022-11-20 21:12:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2022-11-20 21:12:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2022-11-20 21:12:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2022-11-20 21:12:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2022-11-20 21:12:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 21:12:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 21:12:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:12:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2022-11-20 21:12:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2022-11-20 21:12:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2022-11-20 21:12:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2022-11-20 21:12:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2022-11-20 21:12:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2022-11-20 21:12:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2022-11-20 21:12:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2022-11-20 21:12:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2022-11-20 21:12:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2022-11-20 21:12:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 21:12:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2022-11-20 21:12:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2022-11-20 21:12:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 21:12:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 21:12:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2022-11-20 21:12:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2022-11-20 21:12:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2022-11-20 21:12:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2022-11-20 21:12:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:12:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-20 21:12:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-20 21:12:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 21:12:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 21:12:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2022-11-20 21:12:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2022-11-20 21:12:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 21:12:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2022-11-20 21:12:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2022-11-20 21:12:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-20 21:12:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-20 21:12:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2022-11-20 21:12:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2022-11-20 21:12:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2022-11-20 21:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2022-11-20 21:12:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure isa_unregister_driver [2022-11-20 21:12:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_unregister_driver [2022-11-20 21:12:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 21:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 21:12:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2022-11-20 21:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2022-11-20 21:12:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 21:12:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 21:12:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-20 21:12:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-20 21:12:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 21:12:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 21:12:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2022-11-20 21:12:54,101 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2022-11-20 21:12:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-20 21:12:54,102 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-20 21:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 21:12:54,103 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2022-11-20 21:12:54,104 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2022-11-20 21:12:54,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 21:12:54,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 21:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-20 21:12:54,110 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-20 21:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 21:12:54,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 21:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 21:12:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-11-20 21:12:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-11-20 21:12:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2022-11-20 21:12:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2022-11-20 21:12:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2022-11-20 21:12:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2022-11-20 21:12:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 21:12:54,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 21:12:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:12:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2022-11-20 21:12:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2022-11-20 21:12:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 21:12:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 21:12:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_next_carrier [2022-11-20 21:12:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_next_carrier [2022-11-20 21:12:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2022-11-20 21:12:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2022-11-20 21:12:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 21:12:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 21:12:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2022-11-20 21:12:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2022-11-20 21:12:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2022-11-20 21:12:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2022-11-20 21:12:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 21:12:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 21:12:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 21:12:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 21:12:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 21:12:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 21:12:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2022-11-20 21:12:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2022-11-20 21:12:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:12:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 21:12:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 21:12:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2022-11-20 21:12:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2022-11-20 21:12:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2022-11-20 21:12:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2022-11-20 21:12:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-20 21:12:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-20 21:12:54,117 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2022-11-20 21:12:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2022-11-20 21:12:54,117 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2022-11-20 21:12:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2022-11-20 21:12:54,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 21:12:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 21:12:54,117 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2022-11-20 21:12:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2022-11-20 21:12:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2022-11-20 21:12:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2022-11-20 21:12:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 21:12:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 21:12:54,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 21:12:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 21:12:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 21:12:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 21:12:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 21:12:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:12:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2022-11-20 21:12:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2022-11-20 21:12:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2022-11-20 21:12:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2022-11-20 21:12:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 21:12:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 21:12:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 21:12:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2022-11-20 21:12:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2022-11-20 21:12:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2022-11-20 21:12:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2022-11-20 21:12:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-20 21:12:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-20 21:12:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-20 21:12:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-20 21:12:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2022-11-20 21:12:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2022-11-20 21:12:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2022-11-20 21:12:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2022-11-20 21:12:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2022-11-20 21:12:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2022-11-20 21:12:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2022-11-20 21:12:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2022-11-20 21:12:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2022-11-20 21:12:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2022-11-20 21:12:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2022-11-20 21:12:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2022-11-20 21:12:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2022-11-20 21:12:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2022-11-20 21:12:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2022-11-20 21:12:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2022-11-20 21:12:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2022-11-20 21:12:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2022-11-20 21:12:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 21:12:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 21:12:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2022-11-20 21:12:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2022-11-20 21:12:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-20 21:12:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-20 21:12:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 21:12:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 21:12:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2022-11-20 21:12:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2022-11-20 21:12:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 21:12:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 21:12:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 21:12:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 21:12:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2022-11-20 21:12:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2022-11-20 21:12:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-20 21:12:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-20 21:12:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:12:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 21:12:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 21:12:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 21:12:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 21:12:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2022-11-20 21:12:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2022-11-20 21:12:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-20 21:12:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-20 21:12:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-20 21:12:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-20 21:12:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2022-11-20 21:12:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2022-11-20 21:12:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2022-11-20 21:12:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2022-11-20 21:12:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-20 21:12:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-20 21:12:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:12:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:12:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-20 21:12:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-20 21:12:55,617 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:12:55,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:12:56,125 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 21:13:30,163 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:13:36,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:13:36,453 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 21:13:36,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:13:36 BoogieIcfgContainer [2022-11-20 21:13:36,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:13:36,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:13:36,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:13:36,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:13:36,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:12:48" (1/3) ... [2022-11-20 21:13:36,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d07610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:13:36, skipping insertion in model container [2022-11-20 21:13:36,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:12:52" (2/3) ... [2022-11-20 21:13:36,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d07610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:13:36, skipping insertion in model container [2022-11-20 21:13:36,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:13:36" (3/3) ... [2022-11-20 21:13:36,474 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2022-11-20 21:13:36,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:13:36,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:13:36,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:13:36,628 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;@3accbb60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:13:36,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:13:36,643 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) [2022-11-20 21:13:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 21:13:36,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:13:36,672 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] [2022-11-20 21:13:36,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:13:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:13:36,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1131189853, now seen corresponding path program 1 times [2022-11-20 21:13:36,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:13:36,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127365515] [2022-11-20 21:13:36,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:13:36,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:13:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:13:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-11-20 21:13:37,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:13:37,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127365515] [2022-11-20 21:13:37,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127365515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:13:37,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:13:37,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:13:37,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27486054] [2022-11-20 21:13:37,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:13:37,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:13:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:13:37,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:13:37,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:13:37,741 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) [2022-11-20 21:13:40,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:13:43,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:13:45,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:13:47,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:13:52,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:13:55,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:01,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 21:14:03,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:04,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:14:06,521 INFO L93 Difference]: Finished difference Result 8712 states and 13447 transitions. [2022-11-20 21:14:06,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:14:06,523 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 [2022-11-20 21:14:06,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:14:06,587 INFO L225 Difference]: With dead ends: 8712 [2022-11-20 21:14:06,587 INFO L226 Difference]: Without dead ends: 5645 [2022-11-20 21:14:06,617 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 [2022-11-20 21:14:06,625 INFO L413 NwaCegarLoop]: 6135 mSDtfsCounter, 4085 mSDsluCounter, 4232 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4090 SdHoareTripleChecker+Valid, 10367 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:14:06,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4090 Valid, 10367 Invalid, 758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 750 Invalid, 6 Unknown, 0 Unchecked, 28.2s Time] [2022-11-20 21:14:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5645 states. [2022-11-20 21:14:07,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5645 to 5636. [2022-11-20 21:14:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5636 states, 3260 states have (on average 1.3208588957055214) internal successors, (4306), 3383 states have internal predecessors, (4306), 2148 states have call successors, (2148), 228 states have call predecessors, (2148), 227 states have return successors, (2150), 2143 states have call predecessors, (2150), 2147 states have call successors, (2150) [2022-11-20 21:14:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 8604 transitions. [2022-11-20 21:14:07,372 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 8604 transitions. Word has length 110 [2022-11-20 21:14:07,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:14:07,375 INFO L495 AbstractCegarLoop]: Abstraction has 5636 states and 8604 transitions. [2022-11-20 21:14:07,375 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) [2022-11-20 21:14:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 8604 transitions. [2022-11-20 21:14:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 21:14:07,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:14:07,401 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] [2022-11-20 21:14:07,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:14:07,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:14:07,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:14:07,402 INFO L85 PathProgramCache]: Analyzing trace with hash 722121010, now seen corresponding path program 1 times [2022-11-20 21:14:07,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:14:07,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303356160] [2022-11-20 21:14:07,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:14:07,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:14:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:14:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-20 21:14:08,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:14:08,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303356160] [2022-11-20 21:14:08,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303356160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:14:08,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:14:08,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:14:08,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172851193] [2022-11-20 21:14:08,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:14:08,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:14:08,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:14:08,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:14:08,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:14:08,615 INFO L87 Difference]: Start difference. First operand 5636 states and 8604 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) [2022-11-20 21:14:12,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:14,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:16,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:18,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:20,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:21,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:24,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:27,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:29,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:31,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:33,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:37,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:39,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 21:14:41,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:43,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:54,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:55,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:56,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:58,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:14:59,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:01,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:01,697 INFO L93 Difference]: Finished difference Result 12469 states and 19141 transitions. [2022-11-20 21:15:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:15:01,698 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 [2022-11-20 21:15:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:01,747 INFO L225 Difference]: With dead ends: 12469 [2022-11-20 21:15:01,747 INFO L226 Difference]: Without dead ends: 6856 [2022-11-20 21:15:01,779 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 [2022-11-20 21:15:01,779 INFO L413 NwaCegarLoop]: 5148 mSDtfsCounter, 612 mSDsluCounter, 14710 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 19858 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-11-20 21:15:01,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 19858 Invalid, 1748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1735 Invalid, 10 Unknown, 0 Unchecked, 52.7s Time] [2022-11-20 21:15:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6856 states. [2022-11-20 21:15:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6856 to 5636. [2022-11-20 21:15:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5636 states, 3260 states have (on average 1.3196319018404907) internal successors, (4302), 3379 states have internal predecessors, (4302), 2148 states have call successors, (2148), 228 states have call predecessors, (2148), 227 states have return successors, (2150), 2143 states have call predecessors, (2150), 2147 states have call successors, (2150) [2022-11-20 21:15:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 8600 transitions. [2022-11-20 21:15:02,328 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 8600 transitions. Word has length 164 [2022-11-20 21:15:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:02,329 INFO L495 AbstractCegarLoop]: Abstraction has 5636 states and 8600 transitions. [2022-11-20 21:15:02,330 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) [2022-11-20 21:15:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 8600 transitions. [2022-11-20 21:15:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-20 21:15:02,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:02,340 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] [2022-11-20 21:15:02,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:15:02,482 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:02,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash 551900761, now seen corresponding path program 1 times [2022-11-20 21:15:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:15:02,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845954014] [2022-11-20 21:15:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:15:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:15:03,206 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-20 21:15:03,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:15:03,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845954014] [2022-11-20 21:15:03,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845954014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:15:03,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:15:03,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 21:15:03,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924183938] [2022-11-20 21:15:03,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:15:03,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:15:03,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:15:03,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:15:03,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:15:03,208 INFO L87 Difference]: Start difference. First operand 5636 states and 8600 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) [2022-11-20 21:15:07,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:09,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:10,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:13,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:14,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:16,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:20,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:22,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:26,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:28,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:29,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:31,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:34,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:37,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:45,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 21:15:48,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:49,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:51,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:52,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:54,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 21:15:56,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:15:56,653 INFO L93 Difference]: Finished difference Result 12741 states and 19571 transitions. [2022-11-20 21:15:56,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:15:56,654 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 [2022-11-20 21:15:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:15:56,708 INFO L225 Difference]: With dead ends: 12741 [2022-11-20 21:15:56,708 INFO L226 Difference]: Without dead ends: 7128 [2022-11-20 21:15:56,737 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 [2022-11-20 21:15:56,744 INFO L413 NwaCegarLoop]: 5277 mSDtfsCounter, 728 mSDsluCounter, 14997 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 20274 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:15:56,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 20274 Invalid, 1770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1759 Invalid, 8 Unknown, 0 Unchecked, 53.1s Time] [2022-11-20 21:15:56,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7128 states. [2022-11-20 21:15:57,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7128 to 5636. [2022-11-20 21:15:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5636 states, 3260 states have (on average 1.3190184049079754) internal successors, (4300), 3377 states have internal predecessors, (4300), 2148 states have call successors, (2148), 228 states have call predecessors, (2148), 227 states have return successors, (2150), 2143 states have call predecessors, (2150), 2147 states have call successors, (2150) [2022-11-20 21:15:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 8598 transitions. [2022-11-20 21:15:57,247 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 8598 transitions. Word has length 172 [2022-11-20 21:15:57,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:15:57,249 INFO L495 AbstractCegarLoop]: Abstraction has 5636 states and 8598 transitions. [2022-11-20 21:15:57,250 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) [2022-11-20 21:15:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 8598 transitions. [2022-11-20 21:15:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-20 21:15:57,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:15:57,256 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] [2022-11-20 21:15:57,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:15:57,257 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:15:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:15:57,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2029099913, now seen corresponding path program 1 times [2022-11-20 21:15:57,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:15:57,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815654508] [2022-11-20 21:15:57,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:15:57,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms