./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/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_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:32:21,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:32:21,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:32:21,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:32:21,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:32:21,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:32:21,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:32:21,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:32:21,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:32:21,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:32:21,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:32:21,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:32:21,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:32:21,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:32:21,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:32:21,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:32:21,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:32:21,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:32:21,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:32:21,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:32:21,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:32:21,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:32:21,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:32:21,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:32:21,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:32:21,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:32:21,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:32:21,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:32:21,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:32:21,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:32:21,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:32:21,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:32:21,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:32:21,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:32:21,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:32:21,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:32:21,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:32:21,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:32:21,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:32:21,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:32:21,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:32:21,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:32:22,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:32:22,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:32:22,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:32:22,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:32:22,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:32:22,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:32:22,028 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:32:22,028 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:32:22,029 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:32:22,029 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:32:22,030 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:32:22,030 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:32:22,030 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:32:22,031 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:32:22,031 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:32:22,031 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:32:22,031 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:32:22,032 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:32:22,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:32:22,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:32:22,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:32:22,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:32:22,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:32:22,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:32:22,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:32:22,034 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:32:22,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:32:22,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:32:22,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:32:22,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:32:22,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:32:22,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:32:22,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:32:22,038 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:32:22,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:32:22,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:32:22,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:32:22,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:32:22,039 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 [2021-11-25 20:32:22,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:32:22,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:32:22,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:32:22,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:32:22,314 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:32:22,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-25 20:32:22,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/data/5f186daff/791cd9ab595e47e7a7bae0b0866adcba/FLAG416055c0a [2021-11-25 20:32:23,643 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:32:23,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-25 20:32:23,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/data/5f186daff/791cd9ab595e47e7a7bae0b0866adcba/FLAG416055c0a [2021-11-25 20:32:24,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/data/5f186daff/791cd9ab595e47e7a7bae0b0866adcba [2021-11-25 20:32:24,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:32:24,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:32:24,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:32:24,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:32:24,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:32:24,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:32:24" (1/1) ... [2021-11-25 20:32:24,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59583c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:24, skipping insertion in model container [2021-11-25 20:32:24,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:32:24" (1/1) ... [2021-11-25 20:32:24,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:32:24,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:32:34,673 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_e4eea3d2-a567-4258-9c5b-50f833b5262a/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-25 20:32:34,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:32:35,014 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:32:36,464 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_e4eea3d2-a567-4258-9c5b-50f833b5262a/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-25 20:32:36,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:32:36,885 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:32:36,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36 WrapperNode [2021-11-25 20:32:36,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:32:36,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:32:36,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:32:36,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:32:36,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:37,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:37,727 INFO L137 Inliner]: procedures = 784, calls = 11130, calls flagged for inlining = 319, calls inlined = 156, statements flattened = 14259 [2021-11-25 20:32:37,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:32:37,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:32:37,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:32:37,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:32:37,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:37,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:37,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:37,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:38,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:38,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:38,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:38,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:32:38,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:32:38,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:32:38,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:32:38,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (1/1) ... [2021-11-25 20:32:38,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:32:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:32:38,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:32:38,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:32:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-25 20:32:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-25 20:32:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-25 20:32:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-25 20:32:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-25 20:32:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-25 20:32:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-25 20:32:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-25 20:32:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-25 20:32:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-25 20:32:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-25 20:32:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-25 20:32:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-25 20:32:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-25 20:32:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:32:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:32:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-25 20:32:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-25 20:32:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 20:32:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 20:32:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-25 20:32:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-25 20:32:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-25 20:32:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-25 20:32:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-25 20:32:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-25 20:32:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-25 20:32:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-25 20:32:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-25 20:32:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-25 20:32:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-25 20:32:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-25 20:32:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-25 20:32:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-25 20:32:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:32:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:32:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-25 20:32:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-25 20:32:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-25 20:32:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-25 20:32:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-25 20:32:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-25 20:32:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 20:32:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 20:32:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 20:32:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 20:32:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-25 20:32:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-25 20:32:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-25 20:32:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-25 20:32:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-25 20:32:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-25 20:32:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-25 20:32:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-25 20:32:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:32:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:32:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-25 20:32:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-25 20:32:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-25 20:32:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-25 20:32:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-25 20:32:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-25 20:32:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-25 20:32:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-25 20:32:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-25 20:32:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-25 20:32:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:32:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:32:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-25 20:32:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-25 20:32:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-25 20:32:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-25 20:32:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-25 20:32:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-25 20:32:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:32:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-25 20:32:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-25 20:32:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-25 20:32:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-25 20:32:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 20:32:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 20:32:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-25 20:32:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-25 20:32:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-25 20:32:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-25 20:32:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-25 20:32:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-25 20:32:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-25 20:32:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-25 20:32:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-25 20:32:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-25 20:32:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 20:32:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 20:32:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 20:32:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 20:32:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:32:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:32:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-25 20:32:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-25 20:32:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 20:32:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 20:32:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-25 20:32:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-25 20:32:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-25 20:32:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-25 20:32:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-25 20:32:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-25 20:32:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-25 20:32:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-25 20:32:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-25 20:32:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-25 20:32:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:32:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-25 20:32:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-25 20:32:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-25 20:32:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-25 20:32:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 20:32:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 20:32:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:32:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:32:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:32:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-25 20:32:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-25 20:32:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:32:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:32:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-25 20:32:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-25 20:32:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-25 20:32:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-25 20:32:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-25 20:32:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-25 20:32:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-25 20:32:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-25 20:32:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-25 20:32:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-25 20:32:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-25 20:32:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-25 20:32:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-25 20:32:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-25 20:32:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-25 20:32:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-25 20:32:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-25 20:32:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-25 20:32:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:32:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:32:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-25 20:32:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-25 20:32:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-25 20:32:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-25 20:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-25 20:32:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-25 20:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 20:32:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 20:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-25 20:32:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-25 20:32:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-25 20:32:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-25 20:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:32:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:32:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:32:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 20:32:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 20:32:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-25 20:32:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-25 20:32:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:32:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:32:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:32:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-25 20:32:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-25 20:32:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 20:32:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 20:32:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:32:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-25 20:32:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-25 20:32:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-25 20:32:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-25 20:32:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-25 20:32:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-25 20:32:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-25 20:32:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-25 20:32:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-25 20:32:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-25 20:32:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-25 20:32:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-25 20:32:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-25 20:32:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-25 20:32:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-25 20:32:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-25 20:32:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-25 20:32:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-25 20:32:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 20:32:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 20:32:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 20:32:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 20:32:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 20:32:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 20:32:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-25 20:32:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-25 20:32:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-25 20:32:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-25 20:32:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-25 20:32:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-25 20:32:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:32:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:32:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-25 20:32:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-25 20:32:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-25 20:32:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-25 20:32:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 20:32:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 20:32:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 20:32:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 20:32:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-25 20:32:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-25 20:32:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-25 20:32:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-25 20:32:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:32:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-25 20:32:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-25 20:32:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 20:32:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 20:32:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-25 20:32:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-25 20:32:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-25 20:32:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-25 20:32:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-25 20:32:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-25 20:32:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:32:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-25 20:32:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-25 20:32:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 20:32:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 20:32:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-25 20:32:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-25 20:32:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-25 20:32:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-25 20:32:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-25 20:32:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-25 20:32:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-25 20:32:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-25 20:32:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-25 20:32:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-25 20:32:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-25 20:32:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:32:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:32:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 20:32:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 20:32:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-25 20:32:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-25 20:32:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-25 20:32:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-25 20:32:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-25 20:32:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-25 20:32:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-25 20:32:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-25 20:32:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 20:32:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 20:32:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-25 20:32:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-25 20:32:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-25 20:32:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-25 20:32:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-25 20:32:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-25 20:32:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 20:32:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 20:32:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 20:32:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 20:32:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-25 20:32:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-25 20:32:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-25 20:32:38,868 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-25 20:32:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-25 20:32:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-25 20:32:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-25 20:32:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-25 20:32:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-25 20:32:38,869 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-25 20:32:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:32:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-25 20:32:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-25 20:32:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:32:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:32:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-25 20:32:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-25 20:32:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-25 20:32:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-25 20:32:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-25 20:32:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-25 20:32:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-25 20:32:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-25 20:32:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-25 20:32:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-25 20:32:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-25 20:32:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-25 20:32:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 20:32:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 20:32:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-25 20:32:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-25 20:32:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-25 20:32:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-25 20:32:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-25 20:32:38,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-25 20:32:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 20:32:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 20:32:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-25 20:32:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-25 20:32:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-25 20:32:38,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-25 20:32:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-25 20:32:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-25 20:32:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-25 20:32:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-25 20:32:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-25 20:32:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-25 20:32:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:32:38,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:32:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-25 20:32:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-25 20:32:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-25 20:32:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-25 20:32:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-25 20:32:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-25 20:32:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-25 20:32:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-25 20:32:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:32:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:32:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-25 20:32:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-25 20:32:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-25 20:32:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-25 20:32:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-25 20:32:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-25 20:32:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-25 20:32:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-25 20:32:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-25 20:32:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-25 20:32:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-25 20:32:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-25 20:32:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-25 20:32:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-25 20:32:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-25 20:32:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-25 20:32:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-25 20:32:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-25 20:32:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:32:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-25 20:32:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-25 20:32:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-25 20:32:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-25 20:32:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 20:32:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 20:32:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:32:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 20:32:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 20:32:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 20:32:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 20:32:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-25 20:32:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-25 20:32:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:32:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-25 20:32:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-25 20:32:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-25 20:32:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-25 20:32:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-25 20:32:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-25 20:32:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:32:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:32:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-25 20:32:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-25 20:32:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-25 20:32:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-25 20:32:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-25 20:32:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-25 20:32:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 20:32:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 20:32:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-25 20:32:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-25 20:32:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-25 20:32:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-25 20:32:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-25 20:32:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-25 20:32:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-25 20:32:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-25 20:32:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 20:32:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 20:32:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-25 20:32:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-25 20:32:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-25 20:32:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-25 20:32:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-25 20:32:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-25 20:32:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:32:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:32:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-25 20:32:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-25 20:32:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-25 20:32:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-25 20:32:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-25 20:32:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-25 20:32:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-25 20:32:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-25 20:32:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-25 20:32:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-25 20:32:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 20:32:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 20:32:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-25 20:32:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-25 20:32:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-25 20:32:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-25 20:32:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-25 20:32:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-25 20:32:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 20:32:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 20:32:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:32:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:32:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-25 20:32:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-25 20:32:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-25 20:32:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-25 20:32:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-25 20:32:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-25 20:32:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-25 20:32:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-25 20:32:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:32:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-25 20:32:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-25 20:32:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-25 20:32:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-25 20:32:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-25 20:32:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-25 20:32:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-25 20:32:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-25 20:32:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-25 20:32:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-25 20:32:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-25 20:32:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-25 20:32:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-25 20:32:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-25 20:32:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-25 20:32:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-25 20:32:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 20:32:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 20:32:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-25 20:32:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-25 20:32:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-25 20:32:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-25 20:32:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 20:32:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 20:32:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-25 20:32:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-25 20:32:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-25 20:32:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-25 20:32:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-25 20:32:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-25 20:32:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:32:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-25 20:32:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-25 20:32:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 20:32:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 20:32:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-25 20:32:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-25 20:32:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-25 20:32:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-25 20:32:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-25 20:32:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-25 20:32:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 20:32:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 20:32:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-25 20:32:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-25 20:32:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-25 20:32:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-25 20:32:38,910 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-25 20:32:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-25 20:32:38,910 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 [2021-11-25 20:32:38,910 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 [2021-11-25 20:32:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-25 20:32:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-25 20:32:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-25 20:32:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-25 20:32:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-25 20:32:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-25 20:32:38,911 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-25 20:32:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-25 20:32:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-25 20:32:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-25 20:32:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-25 20:32:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-25 20:32:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-25 20:32:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-25 20:32:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-25 20:32:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-25 20:32:38,912 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-25 20:32:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-25 20:32:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:32:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:32:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-25 20:32:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-25 20:32:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-25 20:32:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-25 20:32:38,913 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-25 20:32:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-25 20:32:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-25 20:32:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-25 20:32:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-25 20:32:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-25 20:32:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-25 20:32:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-25 20:32:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 20:32:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 20:32:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-25 20:32:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-25 20:32:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-25 20:32:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-25 20:32:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-25 20:32:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-25 20:32:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-25 20:32:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-25 20:32:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-25 20:32:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-25 20:32:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 20:32:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 20:32:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-25 20:32:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-25 20:32:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 20:32:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 20:32:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:32:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:32:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 20:32:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-25 20:32:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-25 20:32:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-25 20:32:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-25 20:32:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:32:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:32:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 20:32:40,737 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:32:40,743 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:33:08,887 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:33:16,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:33:16,178 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 20:33:16,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:16 BoogieIcfgContainer [2021-11-25 20:33:16,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:33:16,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:33:16,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:33:16,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:33:16,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:32:24" (1/3) ... [2021-11-25 20:33:16,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21759c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:16, skipping insertion in model container [2021-11-25 20:33:16,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:32:36" (2/3) ... [2021-11-25 20:33:16,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21759c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:16, skipping insertion in model container [2021-11-25 20:33:16,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:16" (3/3) ... [2021-11-25 20:33:16,199 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-25 20:33:16,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:33:16,216 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:33:16,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:33:16,304 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:33:16,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:33:16,405 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) [2021-11-25 20:33:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 20:33:16,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:16,409 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:16,410 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:16,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash -136497681, now seen corresponding path program 1 times [2021-11-25 20:33:16,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:16,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703358478] [2021-11-25 20:33:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:16,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:33:17,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:17,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703358478] [2021-11-25 20:33:17,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703358478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:17,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:17,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:33:17,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576598789] [2021-11-25 20:33:17,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:17,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:33:17,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:17,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:33:17,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:17,807 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) [2021-11-25 20:33:20,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:23,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:25,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:27,847 INFO L93 Difference]: Finished difference Result 8153 states and 12216 transitions. [2021-11-25 20:33:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:33:27,850 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 [2021-11-25 20:33:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:27,903 INFO L225 Difference]: With dead ends: 8153 [2021-11-25 20:33:27,903 INFO L226 Difference]: Without dead ends: 4082 [2021-11-25 20:33:27,954 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:33:27,958 INFO L933 BasicCegarLoop]: 5376 mSDtfsCounter, 5946 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s 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, 9.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:27,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5949 Valid, 5407 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2021-11-25 20:33:27,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2021-11-25 20:33:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 4074. [2021-11-25 20:33:28,290 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) [2021-11-25 20:33:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 5971 transitions. [2021-11-25 20:33:28,363 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 5971 transitions. Word has length 18 [2021-11-25 20:33:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:28,365 INFO L470 AbstractCegarLoop]: Abstraction has 4074 states and 5971 transitions. [2021-11-25 20:33:28,365 INFO L471 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) [2021-11-25 20:33:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 5971 transitions. [2021-11-25 20:33:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 20:33:28,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:28,369 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:28,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:33:28,370 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:28,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:28,373 INFO L85 PathProgramCache]: Analyzing trace with hash 61303883, now seen corresponding path program 1 times [2021-11-25 20:33:28,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:28,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280136931] [2021-11-25 20:33:28,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:28,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:33:29,092 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:29,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280136931] [2021-11-25 20:33:29,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280136931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:29,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:29,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:33:29,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407910566] [2021-11-25 20:33:29,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:29,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:33:29,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:29,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:33:29,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:29,097 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) [2021-11-25 20:33:31,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:32,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:35,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:37,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:40,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:43,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:44,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:46,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:46,987 INFO L93 Difference]: Finished difference Result 10491 states and 15648 transitions. [2021-11-25 20:33:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:33:46,988 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 [2021-11-25 20:33:46,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:47,063 INFO L225 Difference]: With dead ends: 10491 [2021-11-25 20:33:47,063 INFO L226 Difference]: Without dead ends: 6427 [2021-11-25 20:33:47,110 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:33:47,117 INFO L933 BasicCegarLoop]: 8223 mSDtfsCounter, 4916 mSDsluCounter, 4432 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4918 SdHoareTripleChecker+Valid, 12169 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:47,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4918 Valid, 12169 Invalid, 1449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1438 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2021-11-25 20:33:47,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6427 states. [2021-11-25 20:33:47,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6427 to 6421. [2021-11-25 20:33:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6421 states, 3941 states have (on average 1.3374777975133214) internal successors, (5271), 4190 states have internal predecessors, (5271), 2036 states have call successors, (2036), 471 states have call predecessors, (2036), 443 states have return successors, (2081), 1898 states have call predecessors, (2081), 2019 states have call successors, (2081) [2021-11-25 20:33:47,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6421 states to 6421 states and 9388 transitions. [2021-11-25 20:33:47,563 INFO L78 Accepts]: Start accepts. Automaton has 6421 states and 9388 transitions. Word has length 19 [2021-11-25 20:33:47,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:47,563 INFO L470 AbstractCegarLoop]: Abstraction has 6421 states and 9388 transitions. [2021-11-25 20:33:47,564 INFO L471 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) [2021-11-25 20:33:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6421 states and 9388 transitions. [2021-11-25 20:33:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:33:47,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:47,565 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:47,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:33:47,565 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:47,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:47,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1898189938, now seen corresponding path program 1 times [2021-11-25 20:33:47,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:47,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508283717] [2021-11-25 20:33:47,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:47,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:33:48,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:48,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508283717] [2021-11-25 20:33:48,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508283717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:48,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:48,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:33:48,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69790767] [2021-11-25 20:33:48,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:48,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:33:48,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:48,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:33:48,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:48,204 INFO L87 Difference]: Start difference. First operand 6421 states and 9388 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) [2021-11-25 20:33:50,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:54,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:33:56,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:56,352 INFO L93 Difference]: Finished difference Result 6431 states and 9399 transitions. [2021-11-25 20:33:56,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:33:56,353 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 [2021-11-25 20:33:56,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:56,419 INFO L225 Difference]: With dead ends: 6431 [2021-11-25 20:33:56,420 INFO L226 Difference]: Without dead ends: 6428 [2021-11-25 20:33:56,425 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:33:56,427 INFO L933 BasicCegarLoop]: 5363 mSDtfsCounter, 5928 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5931 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:56,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5931 Valid, 5394 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 600 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2021-11-25 20:33:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6428 states. [2021-11-25 20:33:56,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6428 to 6422. [2021-11-25 20:33:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3942 states have (on average 1.3371385083713851) internal successors, (5271), 4191 states have internal predecessors, (5271), 2035 states have call successors, (2035), 471 states have call predecessors, (2035), 444 states have return successors, (2082), 1898 states have call predecessors, (2082), 2019 states have call successors, (2082) [2021-11-25 20:33:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9388 transitions. [2021-11-25 20:33:56,898 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9388 transitions. Word has length 20 [2021-11-25 20:33:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:56,899 INFO L470 AbstractCegarLoop]: Abstraction has 6422 states and 9388 transitions. [2021-11-25 20:33:56,900 INFO L471 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) [2021-11-25 20:33:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9388 transitions. [2021-11-25 20:33:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 20:33:56,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:56,902 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:56,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:33:56,903 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:56,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:56,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1287879634, now seen corresponding path program 1 times [2021-11-25 20:33:56,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:56,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957263866] [2021-11-25 20:33:56,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:56,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:33:57,483 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:57,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957263866] [2021-11-25 20:33:57,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957263866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:57,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:57,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:33:57,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292071274] [2021-11-25 20:33:57,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:57,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:33:57,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:57,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:33:57,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:57,486 INFO L87 Difference]: Start difference. First operand 6422 states and 9388 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) [2021-11-25 20:33:59,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:04,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:06,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:12,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:34:12,199 INFO L93 Difference]: Finished difference Result 19161 states and 29266 transitions. [2021-11-25 20:34:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:34:12,200 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 [2021-11-25 20:34:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:34:12,338 INFO L225 Difference]: With dead ends: 19161 [2021-11-25 20:34:12,338 INFO L226 Difference]: Without dead ends: 12744 [2021-11-25 20:34:12,411 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:34:12,412 INFO L933 BasicCegarLoop]: 9776 mSDtfsCounter, 6096 mSDsluCounter, 6135 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 15324 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:34:12,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6097 Valid, 15324 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1582 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2021-11-25 20:34:12,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12744 states. [2021-11-25 20:34:13,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12744 to 12717. [2021-11-25 20:34:13,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12717 states, 7804 states have (on average 1.338672475653511) internal successors, (10447), 8298 states have internal predecessors, (10447), 4033 states have call successors, (4033), 932 states have call predecessors, (4033), 879 states have return successors, (4738), 3762 states have call predecessors, (4738), 4016 states have call successors, (4738) [2021-11-25 20:34:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12717 states to 12717 states and 19218 transitions. [2021-11-25 20:34:13,504 INFO L78 Accepts]: Start accepts. Automaton has 12717 states and 19218 transitions. Word has length 21 [2021-11-25 20:34:13,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:34:13,504 INFO L470 AbstractCegarLoop]: Abstraction has 12717 states and 19218 transitions. [2021-11-25 20:34:13,505 INFO L471 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) [2021-11-25 20:34:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 12717 states and 19218 transitions. [2021-11-25 20:34:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 20:34:13,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:34:13,518 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:34:13,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:34:13,518 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:34:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:34:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 729049052, now seen corresponding path program 1 times [2021-11-25 20:34:13,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:34:13,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665844016] [2021-11-25 20:34:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:34:13,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:34:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:34:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:34:14,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:34:14,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665844016] [2021-11-25 20:34:14,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665844016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:34:14,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:34:14,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:34:14,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466546888] [2021-11-25 20:34:14,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:34:14,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:34:14,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:34:14,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:34:14,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:34:14,312 INFO L87 Difference]: Start difference. First operand 12717 states and 19218 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 20:34:16,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:20,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:24,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:27,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:29,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:32,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:34:32,116 INFO L93 Difference]: Finished difference Result 25440 states and 38473 transitions. [2021-11-25 20:34:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:34:32,116 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), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2021-11-25 20:34:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:34:32,208 INFO L225 Difference]: With dead ends: 25440 [2021-11-25 20:34:32,208 INFO L226 Difference]: Without dead ends: 12733 [2021-11-25 20:34:32,283 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:34:32,284 INFO L933 BasicCegarLoop]: 5361 mSDtfsCounter, 2 mSDsluCounter, 11896 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16080 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:34:32,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 16080 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1774 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2021-11-25 20:34:32,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12733 states. [2021-11-25 20:34:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12733 to 12733. [2021-11-25 20:34:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12733 states, 7816 states have (on average 1.3381525076765608) internal successors, (10459), 8314 states have internal predecessors, (10459), 4033 states have call successors, (4033), 932 states have call predecessors, (4033), 883 states have return successors, (4746), 3762 states have call predecessors, (4746), 4016 states have call successors, (4746) [2021-11-25 20:34:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12733 states to 12733 states and 19238 transitions. [2021-11-25 20:34:33,154 INFO L78 Accepts]: Start accepts. Automaton has 12733 states and 19238 transitions. Word has length 60 [2021-11-25 20:34:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:34:33,156 INFO L470 AbstractCegarLoop]: Abstraction has 12733 states and 19238 transitions. [2021-11-25 20:34:33,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 20:34:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 12733 states and 19238 transitions. [2021-11-25 20:34:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 20:34:33,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:34:33,162 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:34:33,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:34:33,162 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:34:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:34:33,163 INFO L85 PathProgramCache]: Analyzing trace with hash 297293495, now seen corresponding path program 1 times [2021-11-25 20:34:33,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:34:33,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769933707] [2021-11-25 20:34:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:34:33,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:34:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:34:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:34:34,949 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:34:34,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769933707] [2021-11-25 20:34:34,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769933707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:34:34,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:34:34,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:34:34,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590745419] [2021-11-25 20:34:34,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:34:34,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:34:34,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:34:34,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:34:34,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:34:34,952 INFO L87 Difference]: Start difference. First operand 12733 states and 19238 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2021-11-25 20:34:37,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:39,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:44,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:48,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:52,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:34:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:34:56,747 INFO L93 Difference]: Finished difference Result 30770 states and 47501 transitions. [2021-11-25 20:34:56,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:34:56,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 64 [2021-11-25 20:34:56,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:34:56,861 INFO L225 Difference]: With dead ends: 30770 [2021-11-25 20:34:56,861 INFO L226 Difference]: Without dead ends: 18047 [2021-11-25 20:34:56,972 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:34:56,974 INFO L933 BasicCegarLoop]: 6319 mSDtfsCounter, 6826 mSDsluCounter, 5526 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 1873 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6827 SdHoareTripleChecker+Valid, 11300 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1873 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:34:56,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6827 Valid, 11300 Invalid, 3057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1873 Valid, 1182 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2021-11-25 20:34:56,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18047 states. [2021-11-25 20:34:58,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18047 to 18001. [2021-11-25 20:34:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18001 states, 11059 states have (on average 1.3427072972239804) internal successors, (14849), 11815 states have internal predecessors, (14849), 5685 states have call successors, (5685), 1351 states have call predecessors, (5685), 1256 states have return successors, (6390), 5234 states have call predecessors, (6390), 5589 states have call successors, (6390) [2021-11-25 20:34:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18001 states to 18001 states and 26924 transitions. [2021-11-25 20:34:58,243 INFO L78 Accepts]: Start accepts. Automaton has 18001 states and 26924 transitions. Word has length 64 [2021-11-25 20:34:58,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:34:58,244 INFO L470 AbstractCegarLoop]: Abstraction has 18001 states and 26924 transitions. [2021-11-25 20:34:58,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2021-11-25 20:34:58,244 INFO L276 IsEmpty]: Start isEmpty. Operand 18001 states and 26924 transitions. [2021-11-25 20:34:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 20:34:58,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:34:58,247 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:34:58,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:34:58,248 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:34:58,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:34:58,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1164397679, now seen corresponding path program 1 times [2021-11-25 20:34:58,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:34:58,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788808400] [2021-11-25 20:34:58,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:34:58,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:34:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:34:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:34:58,891 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:34:58,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788808400] [2021-11-25 20:34:58,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788808400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:34:58,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:34:58,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:34:58,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544929392] [2021-11-25 20:34:58,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:34:58,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:34:58,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:34:58,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:34:58,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:34:58,895 INFO L87 Difference]: Start difference. First operand 18001 states and 26924 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-25 20:35:01,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:10,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:16,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:23,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:25,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:27,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:30,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:41,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:35:41,622 INFO L93 Difference]: Finished difference Result 27067 states and 42500 transitions. [2021-11-25 20:35:41,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:35:41,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 65 [2021-11-25 20:35:41,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:35:41,787 INFO L225 Difference]: With dead ends: 27067 [2021-11-25 20:35:41,788 INFO L226 Difference]: Without dead ends: 27059 [2021-11-25 20:35:41,803 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:35:41,806 INFO L933 BasicCegarLoop]: 7807 mSDtfsCounter, 7086 mSDsluCounter, 7151 mSDsCounter, 0 mSdLazyCounter, 9987 mSolverCounterSat, 4764 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8165 SdHoareTripleChecker+Valid, 14030 SdHoareTripleChecker+Invalid, 14758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4764 IncrementalHoareTripleChecker+Valid, 9987 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:35:41,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8165 Valid, 14030 Invalid, 14758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4764 Valid, 9987 Invalid, 7 Unknown, 0 Unchecked, 41.5s Time] [2021-11-25 20:35:41,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27059 states. [2021-11-25 20:35:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27059 to 26556. [2021-11-25 20:35:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26556 states, 16437 states have (on average 1.3442233984303704) internal successors, (22095), 17518 states have internal predecessors, (22095), 8247 states have call successors, (8247), 1784 states have call predecessors, (8247), 1871 states have return successors, (11206), 7868 states have call predecessors, (11206), 8151 states have call successors, (11206) [2021-11-25 20:35:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26556 states to 26556 states and 41548 transitions. [2021-11-25 20:35:43,665 INFO L78 Accepts]: Start accepts. Automaton has 26556 states and 41548 transitions. Word has length 65 [2021-11-25 20:35:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:35:43,666 INFO L470 AbstractCegarLoop]: Abstraction has 26556 states and 41548 transitions. [2021-11-25 20:35:43,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-25 20:35:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 26556 states and 41548 transitions. [2021-11-25 20:35:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 20:35:43,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:35:43,669 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-11-25 20:35:43,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:35:43,670 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:35:43,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:35:43,671 INFO L85 PathProgramCache]: Analyzing trace with hash -318569534, now seen corresponding path program 1 times [2021-11-25 20:35:43,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:35:43,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535894655] [2021-11-25 20:35:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:35:43,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:35:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:35:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:35:44,315 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:35:44,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535894655] [2021-11-25 20:35:44,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535894655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:35:44,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:35:44,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:35:44,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574441588] [2021-11-25 20:35:44,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:35:44,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:35:44,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:35:44,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:35:44,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:35:44,316 INFO L87 Difference]: Start difference. First operand 26556 states and 41548 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-25 20:35:46,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:52,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:35:57,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:00,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:05,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:07,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:09,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:36:09,677 INFO L93 Difference]: Finished difference Result 61454 states and 95697 transitions. [2021-11-25 20:36:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:36:09,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 68 [2021-11-25 20:36:09,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:36:10,112 INFO L225 Difference]: With dead ends: 61454 [2021-11-25 20:36:10,113 INFO L226 Difference]: Without dead ends: 34908 [2021-11-25 20:36:10,296 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:36:10,297 INFO L933 BasicCegarLoop]: 8691 mSDtfsCounter, 9033 mSDsluCounter, 16680 mSDsCounter, 0 mSdLazyCounter, 2681 mSolverCounterSat, 3620 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9034 SdHoareTripleChecker+Valid, 23745 SdHoareTripleChecker+Invalid, 6305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3620 IncrementalHoareTripleChecker+Valid, 2681 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:36:10,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9034 Valid, 23745 Invalid, 6305 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3620 Valid, 2681 Invalid, 4 Unknown, 0 Unchecked, 23.5s Time] [2021-11-25 20:36:10,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34908 states. [2021-11-25 20:36:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34908 to 34707. [2021-11-25 20:36:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34707 states, 21358 states have (on average 1.3413709148796704) internal successors, (28649), 22883 states have internal predecessors, (28649), 10799 states have call successors, (10799), 2532 states have call predecessors, (10799), 2549 states have return successors, (13944), 10134 states have call predecessors, (13944), 10587 states have call successors, (13944) [2021-11-25 20:36:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34707 states to 34707 states and 53392 transitions. [2021-11-25 20:36:13,087 INFO L78 Accepts]: Start accepts. Automaton has 34707 states and 53392 transitions. Word has length 68 [2021-11-25 20:36:13,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:36:13,089 INFO L470 AbstractCegarLoop]: Abstraction has 34707 states and 53392 transitions. [2021-11-25 20:36:13,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-25 20:36:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 34707 states and 53392 transitions. [2021-11-25 20:36:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 20:36:13,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:36:13,092 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:36:13,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:36:13,093 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:36:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:36:13,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1218684902, now seen corresponding path program 1 times [2021-11-25 20:36:13,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:36:13,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429092016] [2021-11-25 20:36:13,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:36:13,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:36:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:36:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:36:13,889 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:36:13,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429092016] [2021-11-25 20:36:13,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429092016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:36:13,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:36:13,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 20:36:13,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107007210] [2021-11-25 20:36:13,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:36:13,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:36:13,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:36:13,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:36:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:36:13,891 INFO L87 Difference]: Start difference. First operand 34707 states and 53392 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) [2021-11-25 20:36:17,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:21,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:23,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:34,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:37,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:42,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:45,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:47,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:49,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:52,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:54,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:56,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:36:59,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:12,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:18,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:18,183 INFO L93 Difference]: Finished difference Result 37812 states and 58690 transitions. [2021-11-25 20:37:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:37:18,184 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 [2021-11-25 20:37:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:18,410 INFO L225 Difference]: With dead ends: 37812 [2021-11-25 20:37:18,411 INFO L226 Difference]: Without dead ends: 37804 [2021-11-25 20:37:18,431 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:37:18,432 INFO L933 BasicCegarLoop]: 7731 mSDtfsCounter, 14973 mSDsluCounter, 7003 mSDsCounter, 0 mSdLazyCounter, 8987 mSolverCounterSat, 13917 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15939 SdHoareTripleChecker+Valid, 13731 SdHoareTripleChecker+Invalid, 22917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13917 IncrementalHoareTripleChecker+Valid, 8987 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:18,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15939 Valid, 13731 Invalid, 22917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13917 Valid, 8987 Invalid, 13 Unknown, 0 Unchecked, 62.6s Time] [2021-11-25 20:37:18,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37804 states. [2021-11-25 20:37:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37804 to 37655. [2021-11-25 20:37:20,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37655 states, 23278 states have (on average 1.3448749892602456) internal successors, (31306), 24882 states have internal predecessors, (31306), 11663 states have call successors, (11663), 2550 states have call predecessors, (11663), 2713 states have return successors, (15538), 11141 states have call predecessors, (15538), 11451 states have call successors, (15538) [2021-11-25 20:37:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37655 states to 37655 states and 58507 transitions. [2021-11-25 20:37:20,929 INFO L78 Accepts]: Start accepts. Automaton has 37655 states and 58507 transitions. Word has length 69 [2021-11-25 20:37:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:20,929 INFO L470 AbstractCegarLoop]: Abstraction has 37655 states and 58507 transitions. [2021-11-25 20:37:20,930 INFO L471 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) [2021-11-25 20:37:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand 37655 states and 58507 transitions. [2021-11-25 20:37:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 20:37:20,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:20,937 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:37:20,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:37:20,937 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:37:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash -325439400, now seen corresponding path program 1 times [2021-11-25 20:37:20,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:20,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978565593] [2021-11-25 20:37:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:20,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:37:21,592 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:21,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978565593] [2021-11-25 20:37:21,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978565593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:37:21,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:37:21,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:37:21,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365600729] [2021-11-25 20:37:21,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:37:21,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:37:21,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:37:21,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:37:21,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:21,596 INFO L87 Difference]: Start difference. First operand 37655 states and 58507 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-25 20:37:23,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:27,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:29,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:35,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:35,872 INFO L93 Difference]: Finished difference Result 75308 states and 117035 transitions. [2021-11-25 20:37:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:37:35,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 94 [2021-11-25 20:37:35,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:36,092 INFO L225 Difference]: With dead ends: 75308 [2021-11-25 20:37:36,092 INFO L226 Difference]: Without dead ends: 37663 [2021-11-25 20:37:36,312 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:37:36,313 INFO L933 BasicCegarLoop]: 5346 mSDtfsCounter, 2 mSDsluCounter, 5933 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10690 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:36,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 10690 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1185 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-25 20:37:36,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37663 states. [2021-11-25 20:37:38,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37663 to 37659. [2021-11-25 20:37:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37659 states, 23282 states have (on average 1.344815737479598) internal successors, (31310), 24886 states have internal predecessors, (31310), 11663 states have call successors, (11663), 2550 states have call predecessors, (11663), 2713 states have return successors, (15538), 11141 states have call predecessors, (15538), 11451 states have call successors, (15538) [2021-11-25 20:37:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37659 states to 37659 states and 58511 transitions. [2021-11-25 20:37:38,645 INFO L78 Accepts]: Start accepts. Automaton has 37659 states and 58511 transitions. Word has length 94 [2021-11-25 20:37:38,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:38,646 INFO L470 AbstractCegarLoop]: Abstraction has 37659 states and 58511 transitions. [2021-11-25 20:37:38,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-25 20:37:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 37659 states and 58511 transitions. [2021-11-25 20:37:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 20:37:38,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:38,654 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:37:38,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:37:38,654 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:37:38,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -78605680, now seen corresponding path program 1 times [2021-11-25 20:37:38,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:38,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031155140] [2021-11-25 20:37:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:37:39,389 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:39,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031155140] [2021-11-25 20:37:39,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031155140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:37:39,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:37:39,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:37:39,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672652122] [2021-11-25 20:37:39,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:37:39,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:37:39,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:37:39,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:37:39,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:37:39,392 INFO L87 Difference]: Start difference. First operand 37659 states and 58511 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) [2021-11-25 20:37:44,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:46,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:49,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:37:53,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:37:53,633 INFO L93 Difference]: Finished difference Result 75312 states and 117035 transitions. [2021-11-25 20:37:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:37:53,634 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 [2021-11-25 20:37:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:37:53,969 INFO L225 Difference]: With dead ends: 75312 [2021-11-25 20:37:53,969 INFO L226 Difference]: Without dead ends: 37663 [2021-11-25 20:37:54,223 INFO L932 BasicCegarLoop]: 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 [2021-11-25 20:37:54,224 INFO L933 BasicCegarLoop]: 5347 mSDtfsCounter, 0 mSDsluCounter, 5933 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10692 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:37:54,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10692 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1181 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2021-11-25 20:37:54,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37663 states. [2021-11-25 20:37:55,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37663 to 37663. [2021-11-25 20:37:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37663 states, 23286 states have (on average 1.3447565060551405) internal successors, (31314), 24890 states have internal predecessors, (31314), 11663 states have call successors, (11663), 2550 states have call predecessors, (11663), 2713 states have return successors, (15538), 11141 states have call predecessors, (15538), 11451 states have call successors, (15538) [2021-11-25 20:37:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37663 states to 37663 states and 58515 transitions. [2021-11-25 20:37:56,282 INFO L78 Accepts]: Start accepts. Automaton has 37663 states and 58515 transitions. Word has length 96 [2021-11-25 20:37:56,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:37:56,283 INFO L470 AbstractCegarLoop]: Abstraction has 37663 states and 58515 transitions. [2021-11-25 20:37:56,283 INFO L471 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) [2021-11-25 20:37:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 37663 states and 58515 transitions. [2021-11-25 20:37:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 20:37:56,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:37:56,289 INFO L514 BasicCegarLoop]: 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] [2021-11-25 20:37:56,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:37:56,290 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:37:56,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:37:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash -901259908, now seen corresponding path program 1 times [2021-11-25 20:37:56,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:37:56,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796762482] [2021-11-25 20:37:56,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:56,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:37:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:37:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:37:57,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:37:57,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796762482] [2021-11-25 20:37:57,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796762482] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:37:57,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57866884] [2021-11-25 20:37:57,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:37:57,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:37:57,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:37:57,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:37:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4eea3d2-a567-4258-9c5b-50f833b5262a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:37:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:38:00,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 10691 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:38:00,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:38:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:38:00,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:38:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 20:38:00,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57866884] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:38:00,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1092085892] [2021-11-25 20:38:00,485 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2021-11-25 20:38:00,486 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:38:00,491 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:38:00,496 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:38:00,497 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:39:21,451 INFO L388 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 [2021-11-25 20:39:42,004 INFO L388 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 [2021-11-25 20:41:08,540 INFO L388 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 [2021-11-25 20:41:08,555 INFO L388 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 6 treesize of output 5