./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:48:23,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:48:23,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:48:23,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:48:23,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:48:23,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:48:23,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:48:23,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:48:23,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:48:23,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:48:23,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:48:23,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:48:23,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:48:23,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:48:23,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:48:23,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:48:23,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:48:23,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:48:23,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:48:23,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:48:23,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:48:23,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:48:23,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:48:23,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:48:23,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:48:23,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:48:23,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:48:23,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:48:23,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:48:23,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:48:23,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:48:23,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:48:23,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:48:23,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:48:23,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:48:23,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:48:23,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:48:23,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:48:23,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:48:23,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:48:23,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:48:23,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:48:23,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:48:23,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:48:23,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:48:23,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:48:23,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:48:23,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:48:23,816 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:48:23,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:48:23,816 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:48:23,817 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:48:23,817 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:48:23,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:48:23,817 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:48:23,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:48:23,818 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:48:23,818 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:48:23,818 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:48:23,818 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:48:23,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:48:23,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:48:23,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:48:23,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:48:23,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:48:23,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:48:23,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:48:23,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:48:23,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:48:23,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:48:23,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:48:23,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:48:23,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:48:23,823 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:48:23,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:48:23,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:48:23,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:48:23,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:48:23,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:48:23,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:48:23,824 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_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 [2022-11-03 02:48:24,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:48:24,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:48:24,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:48:24,142 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:48:24,143 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:48:24,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2022-11-03 02:48:24,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/data/e447224f4/a5c1e455caa3485e8bf1c3e9468e0f19/FLAGa74cf414f [2022-11-03 02:48:25,535 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:48:25,537 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2022-11-03 02:48:25,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/data/e447224f4/a5c1e455caa3485e8bf1c3e9468e0f19/FLAGa74cf414f [2022-11-03 02:48:26,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/data/e447224f4/a5c1e455caa3485e8bf1c3e9468e0f19 [2022-11-03 02:48:26,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:48:26,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:48:26,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:48:26,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:48:26,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:48:26,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:48:26" (1/1) ... [2022-11-03 02:48:26,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144c0d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:26, skipping insertion in model container [2022-11-03 02:48:26,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:48:26" (1/1) ... [2022-11-03 02:48:26,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:48:26,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:48:35,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2022-11-03 02:48:35,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:48:35,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:48:37,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2022-11-03 02:48:37,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:48:37,387 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:48:37,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37 WrapperNode [2022-11-03 02:48:37,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:48:37,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:48:37,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:48:37,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:48:37,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:37,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:38,290 INFO L138 Inliner]: procedures = 784, calls = 11130, calls flagged for inlining = 319, calls inlined = 156, statements flattened = 14259 [2022-11-03 02:48:38,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:48:38,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:48:38,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:48:38,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:48:38,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:38,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:38,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:38,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:38,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:38,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:39,066 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:39,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:39,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:48:39,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:48:39,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:48:39,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:48:39,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (1/1) ... [2022-11-03 02:48:39,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:48:39,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:48:39,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:48:39,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:48:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2022-11-03 02:48:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2022-11-03 02:48:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2022-11-03 02:48:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2022-11-03 02:48:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2022-11-03 02:48:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2022-11-03 02:48:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2022-11-03 02:48:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2022-11-03 02:48:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2022-11-03 02:48:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2022-11-03 02:48:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-03 02:48:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-03 02:48:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2022-11-03 02:48:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2022-11-03 02:48:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:48:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:48:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2022-11-03 02:48:39,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2022-11-03 02:48:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-03 02:48:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-03 02:48:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2022-11-03 02:48:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2022-11-03 02:48:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2022-11-03 02:48:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2022-11-03 02:48:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2022-11-03 02:48:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2022-11-03 02:48:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2022-11-03 02:48:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2022-11-03 02:48:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2022-11-03 02:48:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2022-11-03 02:48:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2022-11-03 02:48:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2022-11-03 02:48:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2022-11-03 02:48:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2022-11-03 02:48:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:48:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:48:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2022-11-03 02:48:39,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2022-11-03 02:48:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2022-11-03 02:48:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2022-11-03 02:48:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2022-11-03 02:48:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2022-11-03 02:48:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:48:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:48:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:48:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:48:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2022-11-03 02:48:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2022-11-03 02:48:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2022-11-03 02:48:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2022-11-03 02:48:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2022-11-03 02:48:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2022-11-03 02:48:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2022-11-03 02:48:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2022-11-03 02:48:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:48:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:48:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2022-11-03 02:48:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2022-11-03 02:48:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2022-11-03 02:48:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2022-11-03 02:48:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2022-11-03 02:48:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2022-11-03 02:48:39,330 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2022-11-03 02:48:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2022-11-03 02:48:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2022-11-03 02:48:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2022-11-03 02:48:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:48:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:48:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2022-11-03 02:48:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2022-11-03 02:48:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2022-11-03 02:48:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2022-11-03 02:48:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 02:48:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 02:48:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:48:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2022-11-03 02:48:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2022-11-03 02:48:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2022-11-03 02:48:39,333 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2022-11-03 02:48:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 02:48:39,334 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 02:48:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2022-11-03 02:48:39,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2022-11-03 02:48:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2022-11-03 02:48:39,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2022-11-03 02:48:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2022-11-03 02:48:39,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2022-11-03 02:48:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2022-11-03 02:48:39,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2022-11-03 02:48:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2022-11-03 02:48:39,337 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2022-11-03 02:48:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:48:39,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:48:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:48:39,339 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:48:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:48:39,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:48:39,339 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2022-11-03 02:48:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2022-11-03 02:48:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 02:48:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 02:48:39,340 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2022-11-03 02:48:39,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2022-11-03 02:48:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-03 02:48:39,341 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-03 02:48:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2022-11-03 02:48:39,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2022-11-03 02:48:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 02:48:39,342 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 02:48:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2022-11-03 02:48:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2022-11-03 02:48:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:48:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2022-11-03 02:48:39,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2022-11-03 02:48:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2022-11-03 02:48:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2022-11-03 02:48:39,349 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:48:39,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:48:39,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:48:39,350 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:48:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:48:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2022-11-03 02:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2022-11-03 02:48:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:48:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:48:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 02:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 02:48:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2022-11-03 02:48:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2022-11-03 02:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2022-11-03 02:48:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2022-11-03 02:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2022-11-03 02:48:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2022-11-03 02:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2022-11-03 02:48:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2022-11-03 02:48:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2022-11-03 02:48:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2022-11-03 02:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 02:48:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 02:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-03 02:48:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2022-11-03 02:48:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2022-11-03 02:48:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2022-11-03 02:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:48:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2022-11-03 02:48:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2022-11-03 02:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2022-11-03 02:48:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2022-11-03 02:48:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-03 02:48:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2022-11-03 02:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 02:48:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 02:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2022-11-03 02:48:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2022-11-03 02:48:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2022-11-03 02:48:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2022-11-03 02:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:48:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:48:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:48:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:48:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:48:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2022-11-03 02:48:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2022-11-03 02:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:48:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:48:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 02:48:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 02:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 02:48:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 02:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2022-11-03 02:48:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2022-11-03 02:48:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2022-11-03 02:48:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2022-11-03 02:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2022-11-03 02:48:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2022-11-03 02:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2022-11-03 02:48:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2022-11-03 02:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2022-11-03 02:48:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2022-11-03 02:48:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2022-11-03 02:48:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2022-11-03 02:48:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2022-11-03 02:48:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2022-11-03 02:48:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2022-11-03 02:48:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2022-11-03 02:48:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-03 02:48:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-03 02:48:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-03 02:48:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-03 02:48:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:48:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:48:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:48:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:48:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2022-11-03 02:48:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2022-11-03 02:48:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2022-11-03 02:48:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2022-11-03 02:48:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2022-11-03 02:48:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2022-11-03 02:48:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:48:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:48:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2022-11-03 02:48:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2022-11-03 02:48:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2022-11-03 02:48:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2022-11-03 02:48:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:48:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:48:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 02:48:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 02:48:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2022-11-03 02:48:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2022-11-03 02:48:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2022-11-03 02:48:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2022-11-03 02:48:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:48:39,370 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2022-11-03 02:48:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2022-11-03 02:48:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:48:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:48:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2022-11-03 02:48:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2022-11-03 02:48:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2022-11-03 02:48:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2022-11-03 02:48:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2022-11-03 02:48:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2022-11-03 02:48:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:48:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2022-11-03 02:48:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2022-11-03 02:48:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 02:48:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 02:48:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2022-11-03 02:48:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2022-11-03 02:48:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2022-11-03 02:48:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2022-11-03 02:48:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2022-11-03 02:48:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2022-11-03 02:48:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-03 02:48:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-03 02:48:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2022-11-03 02:48:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2022-11-03 02:48:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-03 02:48:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:48:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:48:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 02:48:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 02:48:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2022-11-03 02:48:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2022-11-03 02:48:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2022-11-03 02:48:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2022-11-03 02:48:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2022-11-03 02:48:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2022-11-03 02:48:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2022-11-03 02:48:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2022-11-03 02:48:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:48:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:48:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2022-11-03 02:48:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2022-11-03 02:48:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2022-11-03 02:48:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2022-11-03 02:48:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2022-11-03 02:48:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2022-11-03 02:48:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:48:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:48:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:48:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:48:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2022-11-03 02:48:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2022-11-03 02:48:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2022-11-03 02:48:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2022-11-03 02:48:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2022-11-03 02:48:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2022-11-03 02:48:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2022-11-03 02:48:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2022-11-03 02:48:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 02:48:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 02:48:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:48:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2022-11-03 02:48:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2022-11-03 02:48:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:48:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:48:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2022-11-03 02:48:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2022-11-03 02:48:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2022-11-03 02:48:39,386 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2022-11-03 02:48:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2022-11-03 02:48:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2022-11-03 02:48:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 02:48:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 02:48:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2022-11-03 02:48:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2022-11-03 02:48:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-03 02:48:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-03 02:48:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 02:48:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 02:48:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2022-11-03 02:48:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2022-11-03 02:48:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2022-11-03 02:48:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2022-11-03 02:48:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2022-11-03 02:48:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2022-11-03 02:48:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 02:48:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 02:48:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-03 02:48:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-03 02:48:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2022-11-03 02:48:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2022-11-03 02:48:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2022-11-03 02:48:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2022-11-03 02:48:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-03 02:48:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-11-03 02:48:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2022-11-03 02:48:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2022-11-03 02:48:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:48:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:48:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 02:48:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 02:48:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-03 02:48:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2022-11-03 02:48:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2022-11-03 02:48:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2022-11-03 02:48:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2022-11-03 02:48:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2022-11-03 02:48:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:48:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:48:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-03 02:48:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-03 02:48:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2022-11-03 02:48:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2022-11-03 02:48:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2022-11-03 02:48:39,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2022-11-03 02:48:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2022-11-03 02:48:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2022-11-03 02:48:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2022-11-03 02:48:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2022-11-03 02:48:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2022-11-03 02:48:39,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2022-11-03 02:48:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-03 02:48:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-03 02:48:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2022-11-03 02:48:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2022-11-03 02:48:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2022-11-03 02:48:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2022-11-03 02:48:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:48:39,394 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2022-11-03 02:48:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2022-11-03 02:48:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2022-11-03 02:48:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2022-11-03 02:48:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:48:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:48:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:48:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:48:39,395 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:48:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 02:48:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 02:48:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2022-11-03 02:48:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2022-11-03 02:48:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:48:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2022-11-03 02:48:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2022-11-03 02:48:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2022-11-03 02:48:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2022-11-03 02:48:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2022-11-03 02:48:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2022-11-03 02:48:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:48:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:48:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2022-11-03 02:48:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2022-11-03 02:48:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2022-11-03 02:48:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2022-11-03 02:48:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2022-11-03 02:48:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2022-11-03 02:48:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:48:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:48:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2022-11-03 02:48:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2022-11-03 02:48:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-03 02:48:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-03 02:48:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2022-11-03 02:48:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2022-11-03 02:48:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2022-11-03 02:48:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2022-11-03 02:48:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 02:48:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 02:48:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2022-11-03 02:48:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2022-11-03 02:48:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2022-11-03 02:48:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2022-11-03 02:48:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2022-11-03 02:48:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2022-11-03 02:48:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:48:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:48:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2022-11-03 02:48:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2022-11-03 02:48:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2022-11-03 02:48:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2022-11-03 02:48:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2022-11-03 02:48:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2022-11-03 02:48:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2022-11-03 02:48:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2022-11-03 02:48:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2022-11-03 02:48:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2022-11-03 02:48:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:48:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:48:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2022-11-03 02:48:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2022-11-03 02:48:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:48:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:48:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2022-11-03 02:48:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2022-11-03 02:48:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 02:48:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 02:48:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:48:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:48:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-03 02:48:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-03 02:48:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2022-11-03 02:48:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2022-11-03 02:48:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2022-11-03 02:48:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2022-11-03 02:48:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2022-11-03 02:48:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2022-11-03 02:48:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:48:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2022-11-03 02:48:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2022-11-03 02:48:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2022-11-03 02:48:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2022-11-03 02:48:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2022-11-03 02:48:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2022-11-03 02:48:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2022-11-03 02:48:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2022-11-03 02:48:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2022-11-03 02:48:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2022-11-03 02:48:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-03 02:48:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-03 02:48:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-11-03 02:48:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-11-03 02:48:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2022-11-03 02:48:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2022-11-03 02:48:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:48:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:48:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2022-11-03 02:48:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2022-11-03 02:48:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2022-11-03 02:48:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2022-11-03 02:48:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 02:48:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 02:48:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2022-11-03 02:48:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2022-11-03 02:48:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2022-11-03 02:48:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2022-11-03 02:48:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2022-11-03 02:48:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2022-11-03 02:48:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:48:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2022-11-03 02:48:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2022-11-03 02:48:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:48:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:48:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2022-11-03 02:48:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2022-11-03 02:48:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2022-11-03 02:48:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2022-11-03 02:48:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2022-11-03 02:48:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2022-11-03 02:48:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 02:48:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 02:48:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-03 02:48:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-03 02:48:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2022-11-03 02:48:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2022-11-03 02:48:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2022-11-03 02:48:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2022-11-03 02:48:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2022-11-03 02:48:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2022-11-03 02:48:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 02:48:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 02:48:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2022-11-03 02:48:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2022-11-03 02:48:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2022-11-03 02:48:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2022-11-03 02:48:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2022-11-03 02:48:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2022-11-03 02:48:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2022-11-03 02:48:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2022-11-03 02:48:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2022-11-03 02:48:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2022-11-03 02:48:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2022-11-03 02:48:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2022-11-03 02:48:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2022-11-03 02:48:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2022-11-03 02:48:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2022-11-03 02:48:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2022-11-03 02:48:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:48:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:48:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2022-11-03 02:48:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2022-11-03 02:48:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2022-11-03 02:48:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2022-11-03 02:48:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2022-11-03 02:48:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2022-11-03 02:48:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2022-11-03 02:48:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2022-11-03 02:48:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2022-11-03 02:48:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2022-11-03 02:48:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-03 02:48:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-03 02:48:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:48:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:48:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2022-11-03 02:48:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2022-11-03 02:48:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2022-11-03 02:48:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2022-11-03 02:48:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2022-11-03 02:48:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2022-11-03 02:48:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2022-11-03 02:48:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2022-11-03 02:48:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2022-11-03 02:48:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2022-11-03 02:48:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:48:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:48:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2022-11-03 02:48:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2022-11-03 02:48:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:48:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:48:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:48:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:48:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:48:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2022-11-03 02:48:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2022-11-03 02:48:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2022-11-03 02:48:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2022-11-03 02:48:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:48:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:48:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 02:48:41,121 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:48:41,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:49:10,905 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:49:19,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:49:19,148 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:49:19,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:19 BoogieIcfgContainer [2022-11-03 02:49:19,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:49:19,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:49:19,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:49:19,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:49:19,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:48:26" (1/3) ... [2022-11-03 02:49:19,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487fea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:19, skipping insertion in model container [2022-11-03 02:49:19,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:37" (2/3) ... [2022-11-03 02:49:19,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487fea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:19, skipping insertion in model container [2022-11-03 02:49:19,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:19" (3/3) ... [2022-11-03 02:49:19,173 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2022-11-03 02:49:19,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:49:19,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:49:19,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:49:19,373 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;@16a99f87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:49:19,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:49:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 4070 states, 2511 states have (on average 1.34926324173636) internal successors, (3388), 2654 states have internal predecessors, (3388), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) [2022-11-03 02:49:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:49:19,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:19,400 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:19,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:19,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:19,409 INFO L85 PathProgramCache]: Analyzing trace with hash -136497681, now seen corresponding path program 1 times [2022-11-03 02:49:19,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:19,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857316791] [2022-11-03 02:49:19,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:21,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:21,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857316791] [2022-11-03 02:49:21,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857316791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:21,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:21,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:21,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395381772] [2022-11-03 02:49:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:21,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:21,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:21,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:21,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:21,237 INFO L87 Difference]: Start difference. First operand has 4070 states, 2511 states have (on average 1.34926324173636) internal successors, (3388), 2654 states have internal predecessors, (3388), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:49:23,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:27,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:30,564 INFO L93 Difference]: Finished difference Result 8153 states and 12216 transitions. [2022-11-03 02:49:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:30,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2022-11-03 02:49:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:30,609 INFO L225 Difference]: With dead ends: 8153 [2022-11-03 02:49:30,609 INFO L226 Difference]: Without dead ends: 4082 [2022-11-03 02:49:30,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:30,651 INFO L413 NwaCegarLoop]: 5376 mSDtfsCounter, 5946 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5949 SdHoareTripleChecker+Valid, 5407 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:30,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5949 Valid, 5407 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-11-03 02:49:30,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2022-11-03 02:49:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 4074. [2022-11-03 02:49:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4074 states, 2511 states have (on average 1.345679012345679) internal successors, (3379), 2651 states have internal predecessors, (3379), 1301 states have call successors, (1301), 263 states have call predecessors, (1301), 261 states have return successors, (1291), 1239 states have call predecessors, (1291), 1291 states have call successors, (1291) [2022-11-03 02:49:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 5971 transitions. [2022-11-03 02:49:31,000 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 5971 transitions. Word has length 18 [2022-11-03 02:49:31,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:31,001 INFO L495 AbstractCegarLoop]: Abstraction has 4074 states and 5971 transitions. [2022-11-03 02:49:31,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:49:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 5971 transitions. [2022-11-03 02:49:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:49:31,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:31,003 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:31,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:49:31,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:31,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:31,005 INFO L85 PathProgramCache]: Analyzing trace with hash 61303883, now seen corresponding path program 1 times [2022-11-03 02:49:31,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:31,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247120901] [2022-11-03 02:49:31,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:31,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:31,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247120901] [2022-11-03 02:49:31,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247120901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:31,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:31,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:31,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651842360] [2022-11-03 02:49:31,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:31,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:31,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:31,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:31,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:31,825 INFO L87 Difference]: Start difference. First operand 4074 states and 5971 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:49:33,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:35,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:40,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:42,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:44,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:47,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:47,407 INFO L93 Difference]: Finished difference Result 10495 states and 15653 transitions. [2022-11-03 02:49:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:47,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2022-11-03 02:49:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:47,463 INFO L225 Difference]: With dead ends: 10495 [2022-11-03 02:49:47,463 INFO L226 Difference]: Without dead ends: 6431 [2022-11-03 02:49:47,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:47,501 INFO L413 NwaCegarLoop]: 8228 mSDtfsCounter, 4923 mSDsluCounter, 4433 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4924 SdHoareTripleChecker+Valid, 12174 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:47,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4924 Valid, 12174 Invalid, 1451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1440 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-11-03 02:49:47,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6431 states. [2022-11-03 02:49:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6431 to 6425. [2022-11-03 02:49:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6425 states, 3943 states have (on average 1.3373066193253869) internal successors, (5273), 4192 states have internal predecessors, (5273), 2038 states have call successors, (2038), 471 states have call predecessors, (2038), 443 states have return successors, (2082), 1900 states have call predecessors, (2082), 2021 states have call successors, (2082) [2022-11-03 02:49:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6425 states to 6425 states and 9393 transitions. [2022-11-03 02:49:47,940 INFO L78 Accepts]: Start accepts. Automaton has 6425 states and 9393 transitions. Word has length 19 [2022-11-03 02:49:47,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:47,941 INFO L495 AbstractCegarLoop]: Abstraction has 6425 states and 9393 transitions. [2022-11-03 02:49:47,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:49:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6425 states and 9393 transitions. [2022-11-03 02:49:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 02:49:47,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:47,943 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:47,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:49:47,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1898189938, now seen corresponding path program 1 times [2022-11-03 02:49:47,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:47,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425032878] [2022-11-03 02:49:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:47,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:48,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:48,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425032878] [2022-11-03 02:49:48,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425032878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:48,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:48,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:48,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780874430] [2022-11-03 02:49:48,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:48,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:48,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:48,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:48,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:48,685 INFO L87 Difference]: Start difference. First operand 6425 states and 9393 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:49:51,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:55,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:57,212 INFO L93 Difference]: Finished difference Result 6429 states and 9396 transitions. [2022-11-03 02:49:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:57,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2022-11-03 02:49:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:57,259 INFO L225 Difference]: With dead ends: 6429 [2022-11-03 02:49:57,260 INFO L226 Difference]: Without dead ends: 6426 [2022-11-03 02:49:57,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:57,266 INFO L413 NwaCegarLoop]: 5358 mSDtfsCounter, 5936 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5937 SdHoareTripleChecker+Valid, 5366 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:57,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5937 Valid, 5366 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 596 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 02:49:57,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6426 states. [2022-11-03 02:49:57,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6426 to 6426. [2022-11-03 02:49:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6426 states, 3944 states have (on average 1.3369675456389452) internal successors, (5273), 4193 states have internal predecessors, (5273), 2037 states have call successors, (2037), 471 states have call predecessors, (2037), 444 states have return successors, (2083), 1900 states have call predecessors, (2083), 2021 states have call successors, (2083) [2022-11-03 02:49:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6426 states to 6426 states and 9393 transitions. [2022-11-03 02:49:57,704 INFO L78 Accepts]: Start accepts. Automaton has 6426 states and 9393 transitions. Word has length 20 [2022-11-03 02:49:57,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:57,705 INFO L495 AbstractCegarLoop]: Abstraction has 6426 states and 9393 transitions. [2022-11-03 02:49:57,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:49:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 6426 states and 9393 transitions. [2022-11-03 02:49:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:49:57,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:57,707 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:57,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:49:57,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:57,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:57,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1287879634, now seen corresponding path program 1 times [2022-11-03 02:49:57,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:57,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115439748] [2022-11-03 02:49:57,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:57,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:58,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:58,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115439748] [2022-11-03 02:49:58,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115439748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:58,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:58,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:58,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690539103] [2022-11-03 02:49:58,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:58,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:58,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:58,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:58,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:58,535 INFO L87 Difference]: Start difference. First operand 6426 states and 9393 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:50:00,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:05,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:08,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:13,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:13,962 INFO L93 Difference]: Finished difference Result 19173 states and 29281 transitions. [2022-11-03 02:50:13,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:50:13,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-11-03 02:50:13,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:14,043 INFO L225 Difference]: With dead ends: 19173 [2022-11-03 02:50:14,043 INFO L226 Difference]: Without dead ends: 12752 [2022-11-03 02:50:14,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:50:14,092 INFO L413 NwaCegarLoop]: 9809 mSDtfsCounter, 6096 mSDsluCounter, 6135 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 15357 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:14,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6097 Valid, 15357 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1585 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2022-11-03 02:50:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12752 states. [2022-11-03 02:50:14,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12752 to 12725. [2022-11-03 02:50:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12725 states, 7808 states have (on average 1.338498975409836) internal successors, (10451), 8302 states have internal predecessors, (10451), 4037 states have call successors, (4037), 932 states have call predecessors, (4037), 879 states have return successors, (4740), 3766 states have call predecessors, (4740), 4020 states have call successors, (4740) [2022-11-03 02:50:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 19228 transitions. [2022-11-03 02:50:14,969 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 19228 transitions. Word has length 21 [2022-11-03 02:50:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:14,969 INFO L495 AbstractCegarLoop]: Abstraction has 12725 states and 19228 transitions. [2022-11-03 02:50:14,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 02:50:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 19228 transitions. [2022-11-03 02:50:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-03 02:50:14,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:14,979 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:50:14,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:50:14,980 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:14,980 INFO L85 PathProgramCache]: Analyzing trace with hash 729049052, now seen corresponding path program 1 times [2022-11-03 02:50:14,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:14,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267237046] [2022-11-03 02:50:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:14,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:50:17,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:17,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267237046] [2022-11-03 02:50:17,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267237046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:17,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:17,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:17,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164768122] [2022-11-03 02:50:17,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:17,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:17,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:17,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:17,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:17,430 INFO L87 Difference]: Start difference. First operand 12725 states and 19228 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 02:50:19,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:23,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:25,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:28,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:31,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:34,656 INFO L93 Difference]: Finished difference Result 30742 states and 47638 transitions. [2022-11-03 02:50:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:34,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 60 [2022-11-03 02:50:34,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:34,772 INFO L225 Difference]: With dead ends: 30742 [2022-11-03 02:50:34,772 INFO L226 Difference]: Without dead ends: 18027 [2022-11-03 02:50:34,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:34,877 INFO L413 NwaCegarLoop]: 6274 mSDtfsCounter, 4250 mSDsluCounter, 11130 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4252 SdHoareTripleChecker+Valid, 16320 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:34,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4252 Valid, 16320 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1730 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-11-03 02:50:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18027 states. [2022-11-03 02:50:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18027 to 17980. [2022-11-03 02:50:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17980 states, 11050 states have (on average 1.3438009049773756) internal successors, (14849), 11807 states have internal predecessors, (14849), 5681 states have call successors, (5681), 1344 states have call predecessors, (5681), 1248 states have return successors, (6553), 5230 states have call predecessors, (6553), 5588 states have call successors, (6553) [2022-11-03 02:50:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17980 states to 17980 states and 27083 transitions. [2022-11-03 02:50:36,117 INFO L78 Accepts]: Start accepts. Automaton has 17980 states and 27083 transitions. Word has length 60 [2022-11-03 02:50:36,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:36,118 INFO L495 AbstractCegarLoop]: Abstraction has 17980 states and 27083 transitions. [2022-11-03 02:50:36,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 02:50:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 17980 states and 27083 transitions. [2022-11-03 02:50:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 02:50:36,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:36,120 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:50:36,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:50:36,121 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:36,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash -147724276, now seen corresponding path program 1 times [2022-11-03 02:50:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:36,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816641107] [2022-11-03 02:50:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:50:38,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:38,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816641107] [2022-11-03 02:50:38,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816641107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:38,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:38,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:50:38,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175403796] [2022-11-03 02:50:38,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:38,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:50:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:38,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:50:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:50:38,513 INFO L87 Difference]: Start difference. First operand 17980 states and 27083 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-03 02:50:40,543 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 [] [2022-11-03 02:50:41,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:44,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:54,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:03,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:09,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:12,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:15,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:16,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:22,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:22,262 INFO L93 Difference]: Finished difference Result 20188 states and 30575 transitions. [2022-11-03 02:51:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:51:22,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 61 [2022-11-03 02:51:22,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:22,374 INFO L225 Difference]: With dead ends: 20188 [2022-11-03 02:51:22,374 INFO L226 Difference]: Without dead ends: 20180 [2022-11-03 02:51:22,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:51:22,386 INFO L413 NwaCegarLoop]: 7484 mSDtfsCounter, 6492 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 7995 mSolverCounterSat, 4397 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7461 SdHoareTripleChecker+Valid, 11571 SdHoareTripleChecker+Invalid, 12397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4397 IncrementalHoareTripleChecker+Valid, 7995 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:22,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7461 Valid, 11571 Invalid, 12397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4397 Valid, 7995 Invalid, 5 Unknown, 0 Unchecked, 42.4s Time] [2022-11-03 02:51:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20180 states. [2022-11-03 02:51:23,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20180 to 20102. [2022-11-03 02:51:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20102 states, 12418 states have (on average 1.3478821066194233) internal successors, (16738), 13244 states have internal predecessors, (16738), 6313 states have call successors, (6313), 1358 states have call predecessors, (6313), 1370 states have return successors, (7418), 5951 states have call predecessors, (7418), 6220 states have call successors, (7418) [2022-11-03 02:51:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20102 states to 20102 states and 30469 transitions. [2022-11-03 02:51:24,016 INFO L78 Accepts]: Start accepts. Automaton has 20102 states and 30469 transitions. Word has length 61 [2022-11-03 02:51:24,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:24,016 INFO L495 AbstractCegarLoop]: Abstraction has 20102 states and 30469 transitions. [2022-11-03 02:51:24,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-03 02:51:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 20102 states and 30469 transitions. [2022-11-03 02:51:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-03 02:51:24,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:24,020 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:51:24,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:51:24,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:51:24,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:24,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1168639385, now seen corresponding path program 1 times [2022-11-03 02:51:24,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:24,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177005136] [2022-11-03 02:51:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:24,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:51:26,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:26,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177005136] [2022-11-03 02:51:26,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177005136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:26,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:26,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:51:26,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908565931] [2022-11-03 02:51:26,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:26,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:51:26,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:26,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:51:26,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:51:26,590 INFO L87 Difference]: Start difference. First operand 20102 states and 30469 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 02:51:28,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:30,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:31,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:33,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:39,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:44,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:54,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:57,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:59,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:59,566 INFO L93 Difference]: Finished difference Result 48505 states and 74427 transitions. [2022-11-03 02:51:59,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:51:59,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 64 [2022-11-03 02:51:59,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:59,711 INFO L225 Difference]: With dead ends: 48505 [2022-11-03 02:51:59,711 INFO L226 Difference]: Without dead ends: 28413 [2022-11-03 02:51:59,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:51:59,859 INFO L413 NwaCegarLoop]: 8787 mSDtfsCounter, 6811 mSDsluCounter, 16557 mSDsCounter, 0 mSdLazyCounter, 2701 mSolverCounterSat, 1865 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6813 SdHoareTripleChecker+Valid, 23715 SdHoareTripleChecker+Invalid, 4569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1865 IncrementalHoareTripleChecker+Valid, 2701 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:59,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6813 Valid, 23715 Invalid, 4569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1865 Valid, 2701 Invalid, 3 Unknown, 0 Unchecked, 31.2s Time] [2022-11-03 02:51:59,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28413 states. [2022-11-03 02:52:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28413 to 28225. [2022-11-03 02:52:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28225 states, 17317 states have (on average 1.3430732805913264) internal successors, (23258), 18582 states have internal predecessors, (23258), 8857 states have call successors, (8857), 2113 states have call predecessors, (8857), 2050 states have return successors, (9915), 8206 states have call predecessors, (9915), 8645 states have call successors, (9915) [2022-11-03 02:52:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28225 states to 28225 states and 42030 transitions. [2022-11-03 02:52:02,130 INFO L78 Accepts]: Start accepts. Automaton has 28225 states and 42030 transitions. Word has length 64 [2022-11-03 02:52:02,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:02,133 INFO L495 AbstractCegarLoop]: Abstraction has 28225 states and 42030 transitions. [2022-11-03 02:52:02,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 02:52:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 28225 states and 42030 transitions. [2022-11-03 02:52:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 02:52:02,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:02,137 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:52:02,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:52:02,137 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:02,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:02,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1153476321, now seen corresponding path program 1 times [2022-11-03 02:52:02,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:02,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468330966] [2022-11-03 02:52:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:02,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:52:04,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:04,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468330966] [2022-11-03 02:52:04,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468330966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:04,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:04,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:52:04,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173843965] [2022-11-03 02:52:04,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:04,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:52:04,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:04,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:52:04,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:52:04,281 INFO L87 Difference]: Start difference. First operand 28225 states and 42030 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 02:52:06,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:12,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:15,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:17,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:22,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:23,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:23,938 INFO L93 Difference]: Finished difference Result 56464 states and 84141 transitions. [2022-11-03 02:52:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:52:23,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 65 [2022-11-03 02:52:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:24,089 INFO L225 Difference]: With dead ends: 56464 [2022-11-03 02:52:24,089 INFO L226 Difference]: Without dead ends: 28249 [2022-11-03 02:52:24,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:52:24,230 INFO L413 NwaCegarLoop]: 5349 mSDtfsCounter, 2 mSDsluCounter, 11874 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16044 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:24,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16044 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1775 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2022-11-03 02:52:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28249 states. [2022-11-03 02:52:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28249 to 28241. [2022-11-03 02:52:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28241 states, 17331 states have (on average 1.3427961456349893) internal successors, (23272), 18598 states have internal predecessors, (23272), 8857 states have call successors, (8857), 2113 states have call predecessors, (8857), 2052 states have return successors, (9919), 8206 states have call predecessors, (9919), 8645 states have call successors, (9919) [2022-11-03 02:52:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28241 states to 28241 states and 42048 transitions. [2022-11-03 02:52:25,983 INFO L78 Accepts]: Start accepts. Automaton has 28241 states and 42048 transitions. Word has length 65 [2022-11-03 02:52:25,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:25,984 INFO L495 AbstractCegarLoop]: Abstraction has 28241 states and 42048 transitions. [2022-11-03 02:52:25,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 02:52:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 28241 states and 42048 transitions. [2022-11-03 02:52:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-03 02:52:25,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:25,987 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:52:25,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:52:25,987 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:52:25,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1218684902, now seen corresponding path program 1 times [2022-11-03 02:52:25,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:25,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366686950] [2022-11-03 02:52:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:52:45,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:45,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366686950] [2022-11-03 02:52:45,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366686950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:45,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:45,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:52:45,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680912811] [2022-11-03 02:52:45,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:45,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:52:45,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:45,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:52:45,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:52:45,423 INFO L87 Difference]: Start difference. First operand 28241 states and 42048 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 02:52:48,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:55,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:00,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:06,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:23,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:25,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:35,497 INFO L93 Difference]: Finished difference Result 28506 states and 42395 transitions. [2022-11-03 02:53:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:53:35,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 69 [2022-11-03 02:53:35,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:35,605 INFO L225 Difference]: With dead ends: 28506 [2022-11-03 02:53:35,605 INFO L226 Difference]: Without dead ends: 28498 [2022-11-03 02:53:35,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:53:35,621 INFO L413 NwaCegarLoop]: 7741 mSDtfsCounter, 12125 mSDsluCounter, 6981 mSDsCounter, 0 mSdLazyCounter, 8980 mSolverCounterSat, 10726 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13090 SdHoareTripleChecker+Valid, 13729 SdHoareTripleChecker+Invalid, 19711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10726 IncrementalHoareTripleChecker+Valid, 8980 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:35,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13090 Valid, 13729 Invalid, 19711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10726 Valid, 8980 Invalid, 5 Unknown, 0 Unchecked, 48.3s Time] [2022-11-03 02:53:35,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28498 states. [2022-11-03 02:53:36,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28498 to 28361. [2022-11-03 02:53:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28361 states, 17411 states have (on average 1.3427718109241285) internal successors, (23379), 18678 states have internal predecessors, (23379), 8885 states have call successors, (8885), 2125 states have call predecessors, (8885), 2064 states have return successors, (9963), 8234 states have call predecessors, (9963), 8673 states have call successors, (9963) [2022-11-03 02:53:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28361 states to 28361 states and 42227 transitions. [2022-11-03 02:53:37,183 INFO L78 Accepts]: Start accepts. Automaton has 28361 states and 42227 transitions. Word has length 69 [2022-11-03 02:53:37,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:37,184 INFO L495 AbstractCegarLoop]: Abstraction has 28361 states and 42227 transitions. [2022-11-03 02:53:37,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 02:53:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 28361 states and 42227 transitions. [2022-11-03 02:53:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-03 02:53:37,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:37,191 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 02:53:37,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:53:37,191 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2028989971, now seen corresponding path program 1 times [2022-11-03 02:53:37,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:37,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418117798] [2022-11-03 02:53:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:37,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 02:53:38,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:38,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418117798] [2022-11-03 02:53:38,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418117798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:38,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:38,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:53:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036846934] [2022-11-03 02:53:38,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:38,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:53:38,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:53:38,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:38,064 INFO L87 Difference]: Start difference. First operand 28361 states and 42227 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-03 02:53:40,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:44,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:46,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:48,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:52,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:52,612 INFO L93 Difference]: Finished difference Result 56720 states and 84475 transitions. [2022-11-03 02:53:52,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:53:52,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2022-11-03 02:53:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:52,714 INFO L225 Difference]: With dead ends: 56720 [2022-11-03 02:53:52,714 INFO L226 Difference]: Without dead ends: 28369 [2022-11-03 02:53:52,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:52,813 INFO L413 NwaCegarLoop]: 5346 mSDtfsCounter, 2 mSDsluCounter, 5933 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10690 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:52,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10690 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1184 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-03 02:53:52,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28369 states. [2022-11-03 02:53:53,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28369 to 28365. [2022-11-03 02:53:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28365 states, 17415 states have (on average 1.3426930806775768) internal successors, (23383), 18682 states have internal predecessors, (23383), 8885 states have call successors, (8885), 2125 states have call predecessors, (8885), 2064 states have return successors, (9963), 8234 states have call predecessors, (9963), 8673 states have call successors, (9963) [2022-11-03 02:53:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28365 states to 28365 states and 42231 transitions. [2022-11-03 02:53:54,429 INFO L78 Accepts]: Start accepts. Automaton has 28365 states and 42231 transitions. Word has length 91 [2022-11-03 02:53:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:54,431 INFO L495 AbstractCegarLoop]: Abstraction has 28365 states and 42231 transitions. [2022-11-03 02:53:54,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-03 02:53:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 28365 states and 42231 transitions. [2022-11-03 02:53:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-03 02:53:54,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:54,442 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 02:53:54,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:53:54,443 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash -78605680, now seen corresponding path program 1 times [2022-11-03 02:53:54,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:54,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020149318] [2022-11-03 02:53:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:54,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 02:53:55,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:55,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020149318] [2022-11-03 02:53:55,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020149318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:55,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:55,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:53:55,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997252871] [2022-11-03 02:53:55,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:55,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:53:55,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:55,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:53:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:55,443 INFO L87 Difference]: Start difference. First operand 28365 states and 42231 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-03 02:53:57,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:00,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:02,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:05,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:06,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:10,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:12,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:12,343 INFO L93 Difference]: Finished difference Result 56724 states and 84475 transitions. [2022-11-03 02:54:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:54:12,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2022-11-03 02:54:12,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:12,685 INFO L225 Difference]: With dead ends: 56724 [2022-11-03 02:54:12,686 INFO L226 Difference]: Without dead ends: 28369 [2022-11-03 02:54:12,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:54:12,772 INFO L413 NwaCegarLoop]: 5347 mSDtfsCounter, 0 mSDsluCounter, 5934 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10692 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:12,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10692 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1182 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2022-11-03 02:54:12,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28369 states. [2022-11-03 02:54:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28369 to 28369. [2022-11-03 02:54:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28369 states, 17419 states have (on average 1.3426143865893565) internal successors, (23387), 18686 states have internal predecessors, (23387), 8885 states have call successors, (8885), 2125 states have call predecessors, (8885), 2064 states have return successors, (9963), 8234 states have call predecessors, (9963), 8673 states have call successors, (9963) [2022-11-03 02:54:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28369 states to 28369 states and 42235 transitions. [2022-11-03 02:54:14,206 INFO L78 Accepts]: Start accepts. Automaton has 28369 states and 42235 transitions. Word has length 96 [2022-11-03 02:54:14,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:14,206 INFO L495 AbstractCegarLoop]: Abstraction has 28369 states and 42235 transitions. [2022-11-03 02:54:14,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-03 02:54:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 28369 states and 42235 transitions. [2022-11-03 02:54:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-03 02:54:14,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:14,212 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-03 02:54:14,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:54:14,212 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:54:14,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:14,213 INFO L85 PathProgramCache]: Analyzing trace with hash -901259908, now seen corresponding path program 1 times [2022-11-03 02:54:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:14,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44323022] [2022-11-03 02:54:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:14,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 02:54:15,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:15,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44323022] [2022-11-03 02:54:15,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44323022] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:54:15,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496077102] [2022-11-03 02:54:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:15,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:15,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:15,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189bb468-2fc7-482f-9f81-b66acdc5648e/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:54:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:18,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 10691 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:54:18,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 02:54:18,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:54:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 02:54:19,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496077102] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:54:19,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1590852248] [2022-11-03 02:54:19,135 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-11-03 02:54:19,136 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:54:19,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:54:19,146 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:54:19,146 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:57:02,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 02:57:03,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 02:59:11,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:59:11,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7