./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V --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 a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:49:42,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:49:42,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:49:42,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:49:42,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:49:42,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:49:42,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:49:42,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:49:42,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:49:42,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:49:42,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:49:42,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:49:42,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:49:42,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:49:42,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:49:42,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:49:42,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:49:42,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:49:42,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:49:42,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:49:42,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:49:42,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:49:42,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:49:42,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:49:42,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:49:42,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:49:42,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:49:42,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:49:42,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:49:42,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:49:42,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:49:42,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:49:42,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:49:42,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:49:42,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:49:42,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:49:42,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:49:42,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:49:42,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:49:42,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:49:42,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:49:42,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:49:42,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:49:42,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:49:42,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:49:42,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:49:42,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:49:42,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:49:42,867 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:49:42,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:49:42,868 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:49:42,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:49:42,869 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:49:42,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:49:42,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:49:42,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:49:42,870 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:49:42,871 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:49:42,871 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:49:42,871 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:49:42,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:49:42,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:49:42,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:49:42,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:49:42,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:49:42,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:49:42,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:49:42,874 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:49:42,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:49:42,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:49:42,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:49:42,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:42,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:49:42,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:49:42,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:49:42,877 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:49:42,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:49:42,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:49:42,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:49:42,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:49:42,879 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_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced [2021-11-23 03:49:43,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:49:43,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:49:43,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:49:43,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:49:43,214 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:49:43,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2021-11-23 03:49:43,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/data/1ca418b99/0a29362857f9440ba629809960609173/FLAG4a0d300fb [2021-11-23 03:49:44,624 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:49:44,625 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2021-11-23 03:49:44,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/data/1ca418b99/0a29362857f9440ba629809960609173/FLAG4a0d300fb [2021-11-23 03:49:44,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/data/1ca418b99/0a29362857f9440ba629809960609173 [2021-11-23 03:49:44,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:49:44,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:49:44,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:49:44,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:49:44,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:49:44,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:44" (1/1) ... [2021-11-23 03:49:44,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418e5a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:44, skipping insertion in model container [2021-11-23 03:49:44,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:44" (1/1) ... [2021-11-23 03:49:44,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:49:45,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:49:50,906 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_7eb54d26-6bb8-4137-a5aa-f78e4132f320/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i[609016,609029] [2021-11-23 03:49:50,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:49:51,553 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:49:52,550 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_7eb54d26-6bb8-4137-a5aa-f78e4132f320/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i[609016,609029] [2021-11-23 03:49:52,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:49:53,413 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:49:53,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53 WrapperNode [2021-11-23 03:49:53,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:49:53,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:49:53,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:49:53,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:49:53,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:53,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:54,637 INFO L137 Inliner]: procedures = 521, calls = 13767, calls flagged for inlining = 259, calls inlined = 255, statements flattened = 21678 [2021-11-23 03:49:54,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:49:54,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:49:54,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:49:54,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:49:54,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:54,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:54,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:54,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:55,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:55,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:55,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:55,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:49:55,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:49:55,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:49:55,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:49:55,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (1/1) ... [2021-11-23 03:49:55,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:49:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:49:55,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:49:55,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:49:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inl [2021-11-23 03:49:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inl [2021-11-23 03:49:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unpause [2021-11-23 03:49:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unpause [2021-11-23 03:49:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 03:49:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_neg_request [2021-11-23 03:49:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_neg_request [2021-11-23 03:49:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2021-11-23 03:49:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2021-11-23 03:49:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_unload [2021-11-23 03:49:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_unload [2021-11-23 03:49:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outl [2021-11-23 03:49:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outl [2021-11-23 03:49:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-23 03:49:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-23 03:49:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_verify_cksum [2021-11-23 03:49:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_verify_cksum [2021-11-23 03:49:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inw [2021-11-23 03:49:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inw [2021-11-23 03:49:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:49:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:49:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure send_seeprom_cmd [2021-11-23 03:49:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure send_seeprom_cmd [2021-11-23 03:49:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_seqint [2021-11-23 03:49:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_seqint [2021-11-23 03:49:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-23 03:49:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-23 03:49:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_wdtr [2021-11-23 03:49:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_wdtr [2021-11-23 03:49:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 03:49:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 03:49:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_seeprom [2021-11-23 03:49:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_seeprom [2021-11-23 03:49:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outb [2021-11-23 03:49:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outb [2021-11-23 03:49:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:49:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:49:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_user_tagdepth [2021-11-23 03:49:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_user_tagdepth [2021-11-23 03:49:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr_enable [2021-11-23 03:49:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr_enable [2021-11-23 03:49:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_scb [2021-11-23 03:49:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_scb [2021-11-23 03:49:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2021-11-23 03:49:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2021-11-23 03:49:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-11-23 03:49:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-11-23 03:49:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue [2021-11-23 03:49:56,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue [2021-11-23 03:49:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_assert_atn [2021-11-23 03:49:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_assert_atn [2021-11-23 03:49:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_path [2021-11-23 03:49:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_path [2021-11-23 03:49:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_compile_devinfo [2021-11-23 03:49:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_compile_devinfo [2021-11-23 03:49:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inb [2021-11-23 03:49:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inb [2021-11-23 03:49:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_format_transinfo [2021-11-23 03:49:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_format_transinfo [2021-11-23 03:49:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2021-11-23 03:49:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2021-11-23 03:49:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_critical_section [2021-11-23 03:49:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_critical_section [2021-11-23 03:49:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_check_patch [2021-11-23 03:49:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_check_patch [2021-11-23 03:49:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_sense_residual [2021-11-23 03:49:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_sense_residual [2021-11-23 03:49:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_lun_print [2021-11-23 03:49:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_lun_print [2021-11-23 03:49:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure configure_termination [2021-11-23 03:49:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_termination [2021-11-23 03:49:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_scb [2021-11-23 03:49:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_scb [2021-11-23 03:49:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scb [2021-11-23 03:49:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scb [2021-11-23 03:49:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_residual [2021-11-23 03:49:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_residual [2021-11-23 03:49:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7899_setup [2021-11-23 03:49:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7899_setup [2021-11-23 03:49:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XX_setup [2021-11-23 03:49:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XX_setup [2021-11-23 03:49:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_ppr [2021-11-23 03:49:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_ppr [2021-11-23 03:49:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 03:49:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 03:49:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_flush_device_writes [2021-11-23 03:49:56,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_flush_device_writes [2021-11-23 03:49:56,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:49:56,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:49:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_devinfo [2021-11-23 03:49:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_devinfo [2021-11-23 03:49:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_pending_scbs [2021-11-23 03:49:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_pending_scbs [2021-11-23 03:49:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:49:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_devinfo [2021-11-23 03:49:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_devinfo [2021-11-23 03:49:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 03:49:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 03:49:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unlock [2021-11-23 03:49:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unlock [2021-11-23 03:49:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-23 03:49:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-23 03:49:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:49:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:49:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7860_setup [2021-11-23 03:49:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7860_setup [2021-11-23 03:49:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_shutdown [2021-11-23 03:49:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_shutdown [2021-11-23 03:49:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:49:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_done [2021-11-23 03:49:56,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_done [2021-11-23 03:49:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_tags [2021-11-23 03:49:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_tags [2021-11-23 03:49:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_scsiint [2021-11-23 03:49:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_scsiint [2021-11-23 03:49:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-23 03:49:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-23 03:49:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_restart [2021-11-23 03:49:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_restart [2021-11-23 03:49:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:49:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:49:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_recovery_cmd [2021-11-23 03:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_recovery_cmd [2021-11-23 03:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_offset [2021-11-23 03:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_offset [2021-11-23 03:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_scsi_status [2021-11-23 03:49:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_scsi_status [2021-11-23 03:49:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_is_paused [2021-11-23 03:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_is_paused [2021-11-23 03:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_untagged_queues [2021-11-23 03:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_untagged_queues [2021-11-23 03:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_scb [2021-11-23 03:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_scb [2021-11-23 03:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7880_setup [2021-11-23 03:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7880_setup [2021-11-23 03:49:56,054 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_qinfifo [2021-11-23 03:49:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_qinfifo [2021-11-23 03:49:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_tstate [2021-11-23 03:49:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_tstate [2021-11-23 03:49:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 03:49:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 03:49:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_tag_print [2021-11-23 03:49:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_tag_print [2021-11-23 03:49:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_get_transaction_status [2021-11-23 03:49:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_get_transaction_status [2021-11-23 03:49:56,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:49:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_function [2021-11-23 03:49:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_function [2021-11-23 03:49:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_phase_entry [2021-11-23 03:49:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_phase_entry [2021-11-23 03:49:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unbusy_tcl [2021-11-23 03:49:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unbusy_tcl [2021-11-23 03:49:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:49:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_controller_info [2021-11-23 03:49:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_controller_info [2021-11-23 03:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure read_brdctl [2021-11-23 03:49:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure read_brdctl [2021-11-23 03:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XU_setup [2021-11-23 03:49:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XU_setup [2021-11-23 03:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_devreset [2021-11-23 03:49:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_devreset [2021-11-23 03:49:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_dev_reset [2021-11-23 03:49:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_dev_reset [2021-11-23 03:49:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_free [2021-11-23 03:49:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_free [2021-11-23 03:49:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:49:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:49:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_residual [2021-11-23 03:49:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_residual [2021-11-23 03:49:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-23 03:49:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-23 03:49:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:49:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:49:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_resume [2021-11-23 03:49:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_resume [2021-11-23 03:49:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_syncrate [2021-11-23 03:49:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_syncrate [2021-11-23 03:49:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_chip_init [2021-11-23 03:49:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_chip_init [2021-11-23 03:49:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_residual [2021-11-23 03:49:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_residual [2021-11-23 03:49:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7870_setup [2021-11-23 03:49:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7870_setup [2021-11-23 03:49:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_alloc [2021-11-23 03:49:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_alloc [2021-11-23 03:49:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_disc_list [2021-11-23 03:49:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_disc_list [2021-11-23 03:49:56,060 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_resume [2021-11-23 03:49:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_resume [2021-11-23 03:49:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_remove [2021-11-23 03:49:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_remove [2021-11-23 03:49:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_message_phase [2021-11-23 03:49:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_message_phase [2021-11-23 03:49:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_control_print [2021-11-23 03:49:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_control_print [2021-11-23 03:49:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_devinfo [2021-11-23 03:49:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_devinfo [2021-11-23 03:49:56,061 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_destroy [2021-11-23 03:49:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_destroy [2021-11-23 03:49:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_and_flushwork [2021-11-23 03:49:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_and_flushwork [2021-11-23 03:49:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:49:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:49:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_set_transaction_status [2021-11-23 03:49:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_set_transaction_status [2021-11-23 03:49:56,062 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_cmd_complete [2021-11-23 03:49:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_cmd_complete [2021-11-23 03:49:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_loadseq [2021-11-23 03:49:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_loadseq [2021-11-23 03:49:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_read_seeprom [2021-11-23 03:49:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_read_seeprom [2021-11-23 03:49:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_scsiid_print [2021-11-23 03:49:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_scsiid_print [2021-11-23 03:49:56,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 03:49:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 03:49:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_info [2021-11-23 03:49:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_info [2021-11-23 03:49:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:49:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:49:56,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:49:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:49:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_set_width [2021-11-23 03:49:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_set_width [2021-11-23 03:49:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transaction_status [2021-11-23 03:49:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transaction_status [2021-11-23 03:49:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_configure [2021-11-23 03:49:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_configure [2021-11-23 03:49:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scsi_status [2021-11-23 03:49:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scsi_status [2021-11-23 03:49:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_abort_scbs [2021-11-23 03:49:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_abort_scbs [2021-11-23 03:49:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_current_bus [2021-11-23 03:49:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_current_bus [2021-11-23 03:49:56,067 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_register [2021-11-23 03:49:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_register [2021-11-23 03:49:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:49:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:49:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_syncrate [2021-11-23 03:49:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_syncrate [2021-11-23 03:49:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sent_msg [2021-11-23 03:49:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sent_msg [2021-11-23 03:49:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lock [2021-11-23 03:49:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lock [2021-11-23 03:49:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transfer_length [2021-11-23 03:49:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transfer_length [2021-11-23 03:49:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_build_transfer_msg [2021-11-23 03:49:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_build_transfer_msg [2021-11-23 03:49:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure write_brdctl [2021-11-23 03:49:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure write_brdctl [2021-11-23 03:49:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:49:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:49:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:49:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:49:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_slot [2021-11-23 03:49:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_slot [2021-11-23 03:49:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_acquire_seeprom [2021-11-23 03:49:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_acquire_seeprom [2021-11-23 03:49:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_read_config [2021-11-23 03:49:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_read_config [2021-11-23 03:49:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:49:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_swap_with_next_hscb [2021-11-23 03:49:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_swap_with_next_hscb [2021-11-23 03:49:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 03:49:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 03:49:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_alloc [2021-11-23 03:49:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_alloc [2021-11-23 03:49:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_delay [2021-11-23 03:49:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_delay [2021-11-23 03:49:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_period [2021-11-23 03:49:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_period [2021-11-23 03:49:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:49:56,080 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394X_setup [2021-11-23 03:49:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394X_setup [2021-11-23 03:49:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue_tail [2021-11-23 03:49:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue_tail [2021-11-23 03:49:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_index_busy_tcl [2021-11-23 03:49:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_index_busy_tcl [2021-11-23 03:49:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_destroy [2021-11-23 03:49:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_destroy [2021-11-23 03:49:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:49:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_abort [2021-11-23 03:49:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_abort [2021-11-23 03:49:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-23 03:49:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_chip_init [2021-11-23 03:49:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_chip_init [2021-11-23 03:49:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_run_qoutfifo [2021-11-23 03:49:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_run_qoutfifo [2021-11-23 03:49:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_scbs [2021-11-23 03:49:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_scbs [2021-11-23 03:49:56,082 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_parse_msg [2021-11-23 03:49:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_parse_msg [2021-11-23 03:49:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_intstat [2021-11-23 03:49:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_intstat [2021-11-23 03:49:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_proto_violation [2021-11-23 03:49:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_proto_violation [2021-11-23 03:49:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_devq [2021-11-23 03:49:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_devq [2021-11-23 03:49:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-23 03:49:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-23 03:49:56,083 INFO L130 BoogieDeclarations]: Found specification of procedure reset_seeprom [2021-11-23 03:49:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_seeprom [2021-11-23 03:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_width [2021-11-23 03:49:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_width [2021-11-23 03:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_msg_state [2021-11-23 03:49:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_msg_state [2021-11-23 03:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_untagged_queues [2021-11-23 03:49:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_untagged_queues [2021-11-23 03:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_bus [2021-11-23 03:49:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_bus [2021-11-23 03:49:56,084 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-23 03:49:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-23 03:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_match_scb [2021-11-23 03:49:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_match_scb [2021-11-23 03:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_bus_reset [2021-11-23 03:49:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_bus_reset [2021-11-23 03:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_abort_scbs [2021-11-23 03:49:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_abort_scbs [2021-11-23 03:49:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_destroy [2021-11-23 03:49:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_destroy [2021-11-23 03:49:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_add_curscb_to_free_list [2021-11-23 03:49:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_add_curscb_to_free_list [2021-11-23 03:49:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_brkadrint [2021-11-23 03:49:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_brkadrint [2021-11-23 03:49:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_get_signalling [2021-11-23 03:49:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_get_signalling [2021-11-23 03:49:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_send_async [2021-11-23 03:49:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_send_async [2021-11-23 03:49:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scbram_config [2021-11-23 03:49:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scbram_config [2021-11-23 03:49:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_probe_scbs [2021-11-23 03:49:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_probe_scbs [2021-11-23 03:49:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sg_bus_to_virt [2021-11-23 03:49:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sg_bus_to_virt [2021-11-23 03:49:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_create [2021-11-23 03:49:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_create [2021-11-23 03:49:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_load [2021-11-23 03:49:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_load [2021-11-23 03:49:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-23 03:49:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-23 03:49:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:49:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:49:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_msg_reject [2021-11-23 03:49:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_msg_reject [2021-11-23 03:49:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:49:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_transaction_status [2021-11-23 03:49:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_transaction_status [2021-11-23 03:49:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_queue_scb [2021-11-23 03:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_queue_scb [2021-11-23 03:49:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue [2021-11-23 03:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue [2021-11-23 03:49:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:49:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_transinfo [2021-11-23 03:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_transinfo [2021-11-23 03:49:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset [2021-11-23 03:49:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset [2021-11-23 03:49:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_untagged_queues [2021-11-23 03:49:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_untagged_queues [2021-11-23 03:49:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 03:49:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 03:49:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_write_config [2021-11-23 03:49:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_write_config [2021-11-23 03:49:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_bug_fix [2021-11-23 03:49:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_bug_fix [2021-11-23 03:49:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 03:49:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 03:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_download_instr [2021-11-23 03:49:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_download_instr [2021-11-23 03:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr [2021-11-23 03:49:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr [2021-11-23 03:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_free [2021-11-23 03:49:56,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_free [2021-11-23 03:49:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-23 03:49:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-23 03:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_force_renegotiation [2021-11-23 03:49:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_force_renegotiation [2021-11-23 03:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_sdtr [2021-11-23 03:49:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_sdtr [2021-11-23 03:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2021-11-23 03:49:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2021-11-23 03:49:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_show_info [2021-11-23 03:49:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_show_info [2021-11-23 03:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_channel [2021-11-23 03:49:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_channel [2021-11-23 03:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2021-11-23 03:49:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2021-11-23 03:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 03:49:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 03:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_qoutfifo [2021-11-23 03:49:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_qoutfifo [2021-11-23 03:49:56,095 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_alloc [2021-11-23 03:49:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_alloc [2021-11-23 03:49:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dump_card_state [2021-11-23 03:49:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dump_card_state [2021-11-23 03:49:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_devlimited_syncrate [2021-11-23 03:49:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_devlimited_syncrate [2021-11-23 03:49:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_transport_device_data [2021-11-23 03:49:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_transport_device_data [2021-11-23 03:49:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_set_tags [2021-11-23 03:49:56,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_set_tags [2021-11-23 03:49:56,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:49:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-23 03:49:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-23 03:49:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_width [2021-11-23 03:49:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_width [2021-11-23 03:49:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause [2021-11-23 03:49:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause [2021-11-23 03:49:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_name [2021-11-23 03:49:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_name [2021-11-23 03:49:56,097 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_in_softc [2021-11-23 03:49:56,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_in_softc [2021-11-23 03:49:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha398XX_setup [2021-11-23 03:49:56,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha398XX_setup [2021-11-23 03:49:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7895_setup [2021-11-23 03:49:56,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7895_setup [2021-11-23 03:49:57,843 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:49:57,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:49:58,561 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:55:19,100 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:55:27,367 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:55:27,368 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 03:55:27,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:27 BoogieIcfgContainer [2021-11-23 03:55:27,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:55:27,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:55:27,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:55:27,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:55:27,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:49:44" (1/3) ... [2021-11-23 03:55:27,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0748b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:27, skipping insertion in model container [2021-11-23 03:55:27,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:53" (2/3) ... [2021-11-23 03:55:27,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b0748b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:27, skipping insertion in model container [2021-11-23 03:55:27,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:27" (3/3) ... [2021-11-23 03:55:27,390 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2021-11-23 03:55:27,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:55:27,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:55:27,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:55:27,482 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 [2021-11-23 03:55:27,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:55:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 4731 states, 2800 states have (on average 1.3239285714285713) internal successors, (3707), 2952 states have internal predecessors, (3707), 1730 states have call successors, (1730), 200 states have call predecessors, (1730), 199 states have return successors, (1725), 1691 states have call predecessors, (1725), 1725 states have call successors, (1725) [2021-11-23 03:55:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 03:55:27,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:27,641 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-23 03:55:27,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:27,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1074238614, now seen corresponding path program 1 times [2021-11-23 03:55:27,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:55:27,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414250422] [2021-11-23 03:55:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:27,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:55:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-23 03:55:29,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:55:29,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414250422] [2021-11-23 03:55:29,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414250422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:29,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:29,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:55:29,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233071274] [2021-11-23 03:55:29,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:29,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:55:29,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:55:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:55:29,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:55:29,860 INFO L87 Difference]: Start difference. First operand has 4731 states, 2800 states have (on average 1.3239285714285713) internal successors, (3707), 2952 states have internal predecessors, (3707), 1730 states have call successors, (1730), 200 states have call predecessors, (1730), 199 states have return successors, (1725), 1691 states have call predecessors, (1725), 1725 states have call successors, (1725) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-23 03:55:32,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:34,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:40,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:50,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:55:53,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:01,690 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 [] [2021-11-23 03:56:01,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:01,814 INFO L93 Difference]: Finished difference Result 13813 states and 21208 transitions. [2021-11-23 03:56:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:01,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2021-11-23 03:56:01,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:01,932 INFO L225 Difference]: With dead ends: 13813 [2021-11-23 03:56:01,933 INFO L226 Difference]: Without dead ends: 9076 [2021-11-23 03:56:01,979 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 [2021-11-23 03:56:01,982 INFO L933 BasicCegarLoop]: 8940 mSDtfsCounter, 6590 mSDsluCounter, 7166 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6593 SdHoareTripleChecker+Valid, 15511 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:01,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6593 Valid, 15511 Invalid, 1360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1352 Invalid, 6 Unknown, 0 Unchecked, 31.0s Time] [2021-11-23 03:56:02,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2021-11-23 03:56:03,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 9070. [2021-11-23 03:56:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9070 states, 5356 states have (on average 1.318521284540702) internal successors, (7062), 5641 states have internal predecessors, (7062), 3326 states have call successors, (3326), 388 states have call predecessors, (3326), 387 states have return successors, (3408), 3256 states have call predecessors, (3408), 3325 states have call successors, (3408) [2021-11-23 03:56:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9070 states to 9070 states and 13796 transitions. [2021-11-23 03:56:03,261 INFO L78 Accepts]: Start accepts. Automaton has 9070 states and 13796 transitions. Word has length 124 [2021-11-23 03:56:03,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:03,263 INFO L470 AbstractCegarLoop]: Abstraction has 9070 states and 13796 transitions. [2021-11-23 03:56:03,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-23 03:56:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 9070 states and 13796 transitions. [2021-11-23 03:56:03,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 03:56:03,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:03,279 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:03,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:56:03,282 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:03,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:03,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1291637711, now seen corresponding path program 1 times [2021-11-23 03:56:03,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:03,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995021634] [2021-11-23 03:56:03,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:03,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-11-23 03:56:05,262 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:05,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995021634] [2021-11-23 03:56:05,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995021634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:05,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:05,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:56:05,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891101342] [2021-11-23 03:56:05,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:05,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:56:05,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:56:05,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:56:05,268 INFO L87 Difference]: Start difference. First operand 9070 states and 13796 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 03:56:07,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:12,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:19,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:21,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:25,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:27,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:29,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:32,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:36,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:36,357 INFO L93 Difference]: Finished difference Result 22414 states and 33994 transitions. [2021-11-23 03:56:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:56:36,357 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 161 [2021-11-23 03:56:36,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:36,556 INFO L225 Difference]: With dead ends: 22414 [2021-11-23 03:56:36,556 INFO L226 Difference]: Without dead ends: 13361 [2021-11-23 03:56:36,621 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 [2021-11-23 03:56:36,624 INFO L933 BasicCegarLoop]: 11409 mSDtfsCounter, 5920 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5928 SdHoareTripleChecker+Valid, 17903 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:36,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5928 Valid, 17903 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1617 Invalid, 5 Unknown, 0 Unchecked, 30.6s Time] [2021-11-23 03:56:36,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13361 states. [2021-11-23 03:56:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13361 to 13350. [2021-11-23 03:56:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13350 states, 7891 states have (on average 1.319731339500697) internal successors, (10414), 8322 states have internal predecessors, (10414), 4855 states have call successors, (4855), 604 states have call predecessors, (4855), 603 states have return successors, (4942), 4749 states have call predecessors, (4942), 4854 states have call successors, (4942) [2021-11-23 03:56:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13350 states to 13350 states and 20211 transitions. [2021-11-23 03:56:38,221 INFO L78 Accepts]: Start accepts. Automaton has 13350 states and 20211 transitions. Word has length 161 [2021-11-23 03:56:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:38,222 INFO L470 AbstractCegarLoop]: Abstraction has 13350 states and 20211 transitions. [2021-11-23 03:56:38,222 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-23 03:56:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 13350 states and 20211 transitions. [2021-11-23 03:56:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 03:56:38,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:38,232 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:38,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:56:38,233 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:38,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:38,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2044869657, now seen corresponding path program 1 times [2021-11-23 03:56:38,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:56:38,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760616200] [2021-11-23 03:56:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:38,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:56:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-11-23 03:56:39,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:56:39,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760616200] [2021-11-23 03:56:39,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760616200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:39,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:39,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:56:39,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621488219] [2021-11-23 03:56:39,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:39,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:56:39,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:56:39,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:56:39,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:56:39,656 INFO L87 Difference]: Start difference. First operand 13350 states and 20211 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 03:56:42,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:48,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:54,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:56,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:00,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:03,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:05,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:07,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:08,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:10,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:11,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:16,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:17,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:17,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:17,930 INFO L93 Difference]: Finished difference Result 29198 states and 44311 transitions. [2021-11-23 03:57:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:57:17,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 198 [2021-11-23 03:57:17,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:18,035 INFO L225 Difference]: With dead ends: 29198 [2021-11-23 03:57:18,035 INFO L226 Difference]: Without dead ends: 15865 [2021-11-23 03:57:18,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:57:18,103 INFO L933 BasicCegarLoop]: 7629 mSDtfsCounter, 8529 mSDsluCounter, 8476 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 458 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8537 SdHoareTripleChecker+Valid, 15342 SdHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:18,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8537 Valid, 15342 Invalid, 2310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [458 Valid, 1846 Invalid, 6 Unknown, 0 Unchecked, 37.5s Time] [2021-11-23 03:57:18,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15865 states. [2021-11-23 03:57:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15865 to 13840. [2021-11-23 03:57:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13840 states, 8197 states have (on average 1.319141149200927) internal successors, (10813), 8645 states have internal predecessors, (10813), 4979 states have call successors, (4979), 661 states have call predecessors, (4979), 663 states have return successors, (5074), 4872 states have call predecessors, (5074), 4978 states have call successors, (5074) [2021-11-23 03:57:19,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13840 states to 13840 states and 20866 transitions. [2021-11-23 03:57:19,900 INFO L78 Accepts]: Start accepts. Automaton has 13840 states and 20866 transitions. Word has length 198 [2021-11-23 03:57:19,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:19,901 INFO L470 AbstractCegarLoop]: Abstraction has 13840 states and 20866 transitions. [2021-11-23 03:57:19,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 03:57:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 13840 states and 20866 transitions. [2021-11-23 03:57:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 03:57:19,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:19,913 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:19,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:57:19,913 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:57:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:19,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1547287645, now seen corresponding path program 1 times [2021-11-23 03:57:19,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:19,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010002903] [2021-11-23 03:57:19,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:19,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:57:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-11-23 03:57:21,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:57:21,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010002903] [2021-11-23 03:57:21,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010002903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:57:21,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:57:21,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:57:21,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962850387] [2021-11-23 03:57:21,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:57:21,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:57:21,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:57:21,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:57:21,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:57:21,821 INFO L87 Difference]: Start difference. First operand 13840 states and 20866 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-23 03:57:24,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:28,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:31,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:36,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:38,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:44,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:46,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:47,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:50,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:54,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:57:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:57:54,599 INFO L93 Difference]: Finished difference Result 26023 states and 39657 transitions. [2021-11-23 03:57:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:57:54,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 210 [2021-11-23 03:57:54,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:57:54,873 INFO L225 Difference]: With dead ends: 26023 [2021-11-23 03:57:54,873 INFO L226 Difference]: Without dead ends: 26020 [2021-11-23 03:57:54,888 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 [2021-11-23 03:57:54,891 INFO L933 BasicCegarLoop]: 8582 mSDtfsCounter, 6787 mSDsluCounter, 6987 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6790 SdHoareTripleChecker+Valid, 15000 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:57:54,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6790 Valid, 15000 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1228 Invalid, 6 Unknown, 0 Unchecked, 32.0s Time] [2021-11-23 03:57:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26020 states. [2021-11-23 03:57:58,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26020 to 25856. [2021-11-23 03:57:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25856 states, 15294 states have (on average 1.3240486465280503) internal successors, (20250), 16180 states have internal predecessors, (20250), 9368 states have call successors, (9368), 1201 states have call predecessors, (9368), 1193 states have return successors, (9759), 9112 states have call predecessors, (9759), 9367 states have call successors, (9759) [2021-11-23 03:57:58,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25856 states to 25856 states and 39377 transitions. [2021-11-23 03:57:58,729 INFO L78 Accepts]: Start accepts. Automaton has 25856 states and 39377 transitions. Word has length 210 [2021-11-23 03:57:58,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:57:58,732 INFO L470 AbstractCegarLoop]: Abstraction has 25856 states and 39377 transitions. [2021-11-23 03:57:58,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-23 03:57:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 25856 states and 39377 transitions. [2021-11-23 03:57:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-23 03:57:58,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:57:58,810 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:57:58,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:57:58,810 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:57:58,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:57:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1575226848, now seen corresponding path program 1 times [2021-11-23 03:57:58,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:57:58,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198399229] [2021-11-23 03:57:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:57:58,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:57:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:58:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-23 03:58:00,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:58:00,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198399229] [2021-11-23 03:58:00,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198399229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:58:00,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:58:00,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 03:58:00,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518740222] [2021-11-23 03:58:00,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:58:00,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:58:00,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:58:00,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:58:00,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:58:00,612 INFO L87 Difference]: Start difference. First operand 25856 states and 39377 transitions. Second operand has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-23 03:58:03,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:11,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:22,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:31,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:35,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:40,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:43,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:46,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:47,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:58:50,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:05,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:07,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:07,038 INFO L93 Difference]: Finished difference Result 58577 states and 90339 transitions. [2021-11-23 03:59:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:59:07,039 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 352 [2021-11-23 03:59:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:07,242 INFO L225 Difference]: With dead ends: 58577 [2021-11-23 03:59:07,243 INFO L226 Difference]: Without dead ends: 33112 [2021-11-23 03:59:07,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:59:07,392 INFO L933 BasicCegarLoop]: 7594 mSDtfsCounter, 3403 mSDsluCounter, 47941 mSDsCounter, 0 mSdLazyCounter, 4566 mSolverCounterSat, 865 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3542 SdHoareTripleChecker+Valid, 51712 SdHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 865 IncrementalHoareTripleChecker+Valid, 4566 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:07,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3542 Valid, 51712 Invalid, 5438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [865 Valid, 4566 Invalid, 7 Unknown, 0 Unchecked, 64.9s Time] [2021-11-23 03:59:07,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33112 states. [2021-11-23 03:59:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33112 to 25882. [2021-11-23 03:59:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25882 states, 15315 states have (on average 1.3236043095004897) internal successors, (20271), 16202 states have internal predecessors, (20271), 9368 states have call successors, (9368), 1201 states have call predecessors, (9368), 1198 states have return successors, (9777), 9116 states have call predecessors, (9777), 9367 states have call successors, (9777) [2021-11-23 03:59:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25882 states to 25882 states and 39416 transitions. [2021-11-23 03:59:10,510 INFO L78 Accepts]: Start accepts. Automaton has 25882 states and 39416 transitions. Word has length 352 [2021-11-23 03:59:10,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:10,511 INFO L470 AbstractCegarLoop]: Abstraction has 25882 states and 39416 transitions. [2021-11-23 03:59:10,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-23 03:59:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 25882 states and 39416 transitions. [2021-11-23 03:59:10,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-23 03:59:10,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:10,924 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:59:10,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:59:10,924 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:59:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1456532162, now seen corresponding path program 1 times [2021-11-23 03:59:10,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:10,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329598995] [2021-11-23 03:59:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:10,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-11-23 03:59:12,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:12,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329598995] [2021-11-23 03:59:12,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329598995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:12,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:12,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:59:12,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961060905] [2021-11-23 03:59:12,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:12,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:59:12,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:12,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:59:12,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:59:12,548 INFO L87 Difference]: Start difference. First operand 25882 states and 39416 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-23 03:59:14,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:19,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:24,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:28,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:31,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:33,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:39,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:42,059 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 [] [2021-11-23 03:59:42,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:59:42,165 INFO L93 Difference]: Finished difference Result 51394 states and 78810 transitions. [2021-11-23 03:59:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:59:42,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 352 [2021-11-23 03:59:42,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:59:42,445 INFO L225 Difference]: With dead ends: 51394 [2021-11-23 03:59:42,445 INFO L226 Difference]: Without dead ends: 25903 [2021-11-23 03:59:42,582 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 [2021-11-23 03:59:42,583 INFO L933 BasicCegarLoop]: 6535 mSDtfsCounter, 80 mSDsluCounter, 7007 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 12954 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:59:42,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 12954 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1186 Invalid, 7 Unknown, 0 Unchecked, 28.7s Time] [2021-11-23 03:59:42,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25903 states. [2021-11-23 03:59:45,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25903 to 25903. [2021-11-23 03:59:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25903 states, 15330 states have (on average 1.3236790606653621) internal successors, (20292), 16223 states have internal predecessors, (20292), 9374 states have call successors, (9374), 1201 states have call predecessors, (9374), 1198 states have return successors, (9783), 9119 states have call predecessors, (9783), 9373 states have call successors, (9783) [2021-11-23 03:59:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25903 states to 25903 states and 39449 transitions. [2021-11-23 03:59:45,390 INFO L78 Accepts]: Start accepts. Automaton has 25903 states and 39449 transitions. Word has length 352 [2021-11-23 03:59:45,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:59:45,391 INFO L470 AbstractCegarLoop]: Abstraction has 25903 states and 39449 transitions. [2021-11-23 03:59:45,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-23 03:59:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 25903 states and 39449 transitions. [2021-11-23 03:59:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-23 03:59:45,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:59:45,452 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:59:45,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:59:45,452 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:59:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:59:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash 680035219, now seen corresponding path program 1 times [2021-11-23 03:59:45,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:59:45,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882522572] [2021-11-23 03:59:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:59:45,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:59:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:59:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2021-11-23 03:59:47,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:59:47,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882522572] [2021-11-23 03:59:47,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882522572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:59:47,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:59:47,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:59:47,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007690652] [2021-11-23 03:59:47,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:59:47,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:59:47,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:59:47,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:59:47,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:59:47,147 INFO L87 Difference]: Start difference. First operand 25903 states and 39449 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-23 03:59:49,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:59:53,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:03,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:09,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:11,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:22,542 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 [] [2021-11-23 04:00:22,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:00:22,702 INFO L93 Difference]: Finished difference Result 66818 states and 102114 transitions. [2021-11-23 04:00:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:00:22,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 362 [2021-11-23 04:00:22,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:00:23,116 INFO L225 Difference]: With dead ends: 66818 [2021-11-23 04:00:23,116 INFO L226 Difference]: Without dead ends: 41306 [2021-11-23 04:00:23,247 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 [2021-11-23 04:00:23,248 INFO L933 BasicCegarLoop]: 12445 mSDtfsCounter, 6679 mSDsluCounter, 7104 mSDsCounter, 0 mSdLazyCounter, 1792 mSolverCounterSat, 46 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6683 SdHoareTripleChecker+Valid, 18958 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1792 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:00:23,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6683 Valid, 18958 Invalid, 1844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1792 Invalid, 6 Unknown, 0 Unchecked, 34.0s Time] [2021-11-23 04:00:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41306 states. [2021-11-23 04:00:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41306 to 41279. [2021-11-23 04:00:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41279 states, 24355 states have (on average 1.3217819749538082) internal successors, (32192), 25811 states have internal predecessors, (32192), 15038 states have call successors, (15038), 1905 states have call predecessors, (15038), 1885 states have return successors, (15864), 14600 states have call predecessors, (15864), 15037 states have call successors, (15864) [2021-11-23 04:00:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41279 states to 41279 states and 63094 transitions. [2021-11-23 04:00:27,399 INFO L78 Accepts]: Start accepts. Automaton has 41279 states and 63094 transitions. Word has length 362 [2021-11-23 04:00:27,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:00:27,402 INFO L470 AbstractCegarLoop]: Abstraction has 41279 states and 63094 transitions. [2021-11-23 04:00:27,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-23 04:00:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 41279 states and 63094 transitions. [2021-11-23 04:00:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-23 04:00:27,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:00:27,454 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:00:27,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 04:00:27,455 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:00:27,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:00:27,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1748532815, now seen corresponding path program 1 times [2021-11-23 04:00:27,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:00:27,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183469108] [2021-11-23 04:00:27,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:27,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:00:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-11-23 04:00:29,355 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:00:29,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183469108] [2021-11-23 04:00:29,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183469108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 04:00:29,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117940182] [2021-11-23 04:00:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:00:29,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:00:29,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 04:00:29,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:00:29,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 04:00:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:00:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 21601 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 04:00:34,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:00:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-23 04:00:35,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:00:35,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117940182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:00:35,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 04:00:35,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2021-11-23 04:00:35,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574212987] [2021-11-23 04:00:35,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:00:35,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 04:00:35,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:00:35,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 04:00:35,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:00:35,579 INFO L87 Difference]: Start difference. First operand 41279 states and 63094 transitions. Second operand has 10 states, 9 states have (on average 17.0) internal successors, (153), 8 states have internal predecessors, (153), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 4 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-23 04:00:38,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:00:47,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:07,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:10,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:15,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:17,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:29,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:37,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:46,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:01:47,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:01:47,082 INFO L93 Difference]: Finished difference Result 89776 states and 138360 transitions. [2021-11-23 04:01:47,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 04:01:47,083 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.0) internal successors, (153), 8 states have internal predecessors, (153), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 4 states have call predecessors, (49), 2 states have call successors, (49) Word has length 361 [2021-11-23 04:01:47,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:01:47,361 INFO L225 Difference]: With dead ends: 89776 [2021-11-23 04:01:47,362 INFO L226 Difference]: Without dead ends: 48888 [2021-11-23 04:01:47,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-23 04:01:47,593 INFO L933 BasicCegarLoop]: 7207 mSDtfsCounter, 2541 mSDsluCounter, 62421 mSDsCounter, 0 mSdLazyCounter, 5865 mSolverCounterSat, 655 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 64516 SdHoareTripleChecker+Invalid, 6528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 5865 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:01:47,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2661 Valid, 64516 Invalid, 6528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [655 Valid, 5865 Invalid, 8 Unknown, 0 Unchecked, 69.2s Time] [2021-11-23 04:01:47,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48888 states. [2021-11-23 04:01:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48888 to 41308. [2021-11-23 04:01:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41308 states, 24374 states have (on average 1.321531139739066) internal successors, (32211), 25831 states have internal predecessors, (32211), 15038 states have call successors, (15038), 1905 states have call predecessors, (15038), 1895 states have return successors, (15893), 14609 states have call predecessors, (15893), 15037 states have call successors, (15893) [2021-11-23 04:01:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41308 states to 41308 states and 63142 transitions. [2021-11-23 04:01:51,881 INFO L78 Accepts]: Start accepts. Automaton has 41308 states and 63142 transitions. Word has length 361 [2021-11-23 04:01:51,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:01:51,882 INFO L470 AbstractCegarLoop]: Abstraction has 41308 states and 63142 transitions. [2021-11-23 04:01:51,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.0) internal successors, (153), 8 states have internal predecessors, (153), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 4 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-23 04:01:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 41308 states and 63142 transitions. [2021-11-23 04:01:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-11-23 04:01:51,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:01:51,926 INFO L514 BasicCegarLoop]: trace histogram [14, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:01:52,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 04:01:52,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:01:52,149 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:01:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:01:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1549142804, now seen corresponding path program 1 times [2021-11-23 04:01:52,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:01:52,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556764326] [2021-11-23 04:01:52,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:52,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:01:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2021-11-23 04:01:53,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:01:53,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556764326] [2021-11-23 04:01:53,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556764326] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 04:01:53,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364010547] [2021-11-23 04:01:53,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:01:53,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:01:53,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 04:01:53,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 04:01:53,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eb54d26-6bb8-4137-a5aa-f78e4132f320/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 04:01:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:01:58,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 22340 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 04:01:58,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:02:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2021-11-23 04:02:00,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:02:00,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364010547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:02:00,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 04:02:00,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-23 04:02:00,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327533037] [2021-11-23 04:02:00,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:02:00,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:02:00,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:02:00,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:02:00,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:02:00,371 INFO L87 Difference]: Start difference. First operand 41308 states and 63142 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) [2021-11-23 04:02:02,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:06,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:15,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:18,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:20,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:24,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:28,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:31,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:02:31,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:02:31,550 INFO L93 Difference]: Finished difference Result 109326 states and 167178 transitions. [2021-11-23 04:02:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:02:31,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (80), 3 states have call predecessors, (80), 3 states have return successors, (75), 3 states have call predecessors, (75), 3 states have call successors, (75) Word has length 477 [2021-11-23 04:02:31,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:02:31,868 INFO L225 Difference]: With dead ends: 109326 [2021-11-23 04:02:31,868 INFO L226 Difference]: Without dead ends: 68409 [2021-11-23 04:02:32,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:02:32,029 INFO L933 BasicCegarLoop]: 10606 mSDtfsCounter, 6865 mSDsluCounter, 6058 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 21 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6874 SdHoareTripleChecker+Valid, 16175 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:02:32,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6874 Valid, 16175 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1425 Invalid, 7 Unknown, 0 Unchecked, 28.6s Time] [2021-11-23 04:02:32,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68409 states.