./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.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_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:12:00,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:12:00,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:12:00,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:12:00,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:12:00,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:12:00,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:12:00,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:12:00,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:12:00,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:12:00,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:12:00,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:12:00,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:12:00,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:12:00,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:12:00,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:12:00,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:12:00,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:12:00,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:12:00,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:12:00,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:12:00,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:12:00,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:12:00,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:12:00,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:12:00,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:12:00,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:12:00,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:12:00,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:12:00,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:12:00,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:12:00,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:12:00,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:12:00,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:12:00,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:12:00,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:12:00,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:12:00,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:12:00,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:12:00,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:12:00,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:12:00,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:12:00,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:12:00,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:12:00,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:12:00,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:12:00,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:12:00,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:12:00,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:12:00,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:12:00,811 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:12:00,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:12:00,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:12:00,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:12:00,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:12:00,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:12:00,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:12:00,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:12:00,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:12:00,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:12:00,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:12:00,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:12:00,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:12:00,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:12:00,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:12:00,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:12:00,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:12:00,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:12:00,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:12:00,817 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:12:00,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:12:00,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:12:00,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:12:00,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced [2021-11-20 06:12:01,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:12:01,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:12:01,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:12:01,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:12:01,139 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:12:01,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/../../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 [2021-11-20 06:12:01,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/data/6669530ba/c957668e47d24261b539f848769106cc/FLAG29080de06 [2021-11-20 06:12:02,430 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:12:02,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/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 [2021-11-20 06:12:02,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/data/6669530ba/c957668e47d24261b539f848769106cc/FLAG29080de06 [2021-11-20 06:12:02,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/data/6669530ba/c957668e47d24261b539f848769106cc [2021-11-20 06:12:02,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:12:02,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:12:02,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:12:02,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:12:02,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:12:02,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:02" (1/1) ... [2021-11-20 06:12:02,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c9c042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:02, skipping insertion in model container [2021-11-20 06:12:02,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:12:02" (1/1) ... [2021-11-20 06:12:02,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:12:02,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:12:08,844 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_9c0e1a41-1811-4af9-b39a-d640ef49f904/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] [2021-11-20 06:12:08,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:12:09,508 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:12:10,450 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_9c0e1a41-1811-4af9-b39a-d640ef49f904/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] [2021-11-20 06:12:10,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:12:11,485 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:12:11,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11 WrapperNode [2021-11-20 06:12:11,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:12:11,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:12:11,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:12:11,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:12:11,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:11,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:12,954 INFO L137 Inliner]: procedures = 521, calls = 13767, calls flagged for inlining = 259, calls inlined = 255, statements flattened = 21678 [2021-11-20 06:12:12,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:12:12,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:12:12,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:12:12,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:12:12,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:12,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:13,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:13,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:13,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:13,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:13,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:14,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:12:14,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:12:14,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:12:14,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:12:14,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (1/1) ... [2021-11-20 06:12:14,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:12:14,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:12:14,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:12:14,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:12:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inl [2021-11-20 06:12:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inl [2021-11-20 06:12:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unpause [2021-11-20 06:12:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unpause [2021-11-20 06:12:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-20 06:12:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_neg_request [2021-11-20 06:12:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_neg_request [2021-11-20 06:12:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2021-11-20 06:12:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2021-11-20 06:12:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_unload [2021-11-20 06:12:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_unload [2021-11-20 06:12:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outl [2021-11-20 06:12:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outl [2021-11-20 06:12:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-20 06:12:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-20 06:12:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_verify_cksum [2021-11-20 06:12:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_verify_cksum [2021-11-20 06:12:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inw [2021-11-20 06:12:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inw [2021-11-20 06:12:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:12:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:12:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure send_seeprom_cmd [2021-11-20 06:12:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure send_seeprom_cmd [2021-11-20 06:12:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_seqint [2021-11-20 06:12:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_seqint [2021-11-20 06:12:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-20 06:12:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-20 06:12:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_wdtr [2021-11-20 06:12:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_wdtr [2021-11-20 06:12:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 06:12:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 06:12:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_seeprom [2021-11-20 06:12:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_seeprom [2021-11-20 06:12:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outb [2021-11-20 06:12:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outb [2021-11-20 06:12:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:12:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:12:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_user_tagdepth [2021-11-20 06:12:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_user_tagdepth [2021-11-20 06:12:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr_enable [2021-11-20 06:12:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr_enable [2021-11-20 06:12:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_scb [2021-11-20 06:12:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_scb [2021-11-20 06:12:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2021-11-20 06:12:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2021-11-20 06:12:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-11-20 06:12:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-11-20 06:12:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue [2021-11-20 06:12:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue [2021-11-20 06:12:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_assert_atn [2021-11-20 06:12:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_assert_atn [2021-11-20 06:12:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_path [2021-11-20 06:12:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_path [2021-11-20 06:12:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_compile_devinfo [2021-11-20 06:12:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_compile_devinfo [2021-11-20 06:12:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inb [2021-11-20 06:12:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inb [2021-11-20 06:12:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_format_transinfo [2021-11-20 06:12:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_format_transinfo [2021-11-20 06:12:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2021-11-20 06:12:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2021-11-20 06:12:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_critical_section [2021-11-20 06:12:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_critical_section [2021-11-20 06:12:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_check_patch [2021-11-20 06:12:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_check_patch [2021-11-20 06:12:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_sense_residual [2021-11-20 06:12:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_sense_residual [2021-11-20 06:12:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_lun_print [2021-11-20 06:12:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_lun_print [2021-11-20 06:12:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure configure_termination [2021-11-20 06:12:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_termination [2021-11-20 06:12:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_scb [2021-11-20 06:12:14,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_scb [2021-11-20 06:12:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scb [2021-11-20 06:12:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scb [2021-11-20 06:12:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_residual [2021-11-20 06:12:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_residual [2021-11-20 06:12:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7899_setup [2021-11-20 06:12:14,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7899_setup [2021-11-20 06:12:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XX_setup [2021-11-20 06:12:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XX_setup [2021-11-20 06:12:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_ppr [2021-11-20 06:12:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_ppr [2021-11-20 06:12:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:12:14,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:12:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_flush_device_writes [2021-11-20 06:12:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_flush_device_writes [2021-11-20 06:12:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:12:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:12:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_devinfo [2021-11-20 06:12:14,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_devinfo [2021-11-20 06:12:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_pending_scbs [2021-11-20 06:12:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_pending_scbs [2021-11-20 06:12:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:12:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_devinfo [2021-11-20 06:12:14,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_devinfo [2021-11-20 06:12:14,166 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 06:12:14,167 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 06:12:14,167 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unlock [2021-11-20 06:12:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unlock [2021-11-20 06:12:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-20 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-20 06:12:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:12:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7860_setup [2021-11-20 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7860_setup [2021-11-20 06:12:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_shutdown [2021-11-20 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_shutdown [2021-11-20 06:12:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:12:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_done [2021-11-20 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_done [2021-11-20 06:12:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_tags [2021-11-20 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_tags [2021-11-20 06:12:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_scsiint [2021-11-20 06:12:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_scsiint [2021-11-20 06:12:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-20 06:12:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-20 06:12:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_restart [2021-11-20 06:12:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_restart [2021-11-20 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_recovery_cmd [2021-11-20 06:12:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_recovery_cmd [2021-11-20 06:12:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_offset [2021-11-20 06:12:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_offset [2021-11-20 06:12:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:12:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:12:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_scsi_status [2021-11-20 06:12:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_scsi_status [2021-11-20 06:12:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_is_paused [2021-11-20 06:12:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_is_paused [2021-11-20 06:12:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_untagged_queues [2021-11-20 06:12:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_untagged_queues [2021-11-20 06:12:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_scb [2021-11-20 06:12:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_scb [2021-11-20 06:12:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7880_setup [2021-11-20 06:12:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7880_setup [2021-11-20 06:12:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_qinfifo [2021-11-20 06:12:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_qinfifo [2021-11-20 06:12:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_tstate [2021-11-20 06:12:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_tstate [2021-11-20 06:12:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 06:12:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 06:12:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_tag_print [2021-11-20 06:12:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_tag_print [2021-11-20 06:12:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_get_transaction_status [2021-11-20 06:12:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_get_transaction_status [2021-11-20 06:12:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:12:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_function [2021-11-20 06:12:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_function [2021-11-20 06:12:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_phase_entry [2021-11-20 06:12:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_phase_entry [2021-11-20 06:12:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unbusy_tcl [2021-11-20 06:12:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unbusy_tcl [2021-11-20 06:12:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:12:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_controller_info [2021-11-20 06:12:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_controller_info [2021-11-20 06:12:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure read_brdctl [2021-11-20 06:12:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure read_brdctl [2021-11-20 06:12:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XU_setup [2021-11-20 06:12:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XU_setup [2021-11-20 06:12:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:12:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_devreset [2021-11-20 06:12:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_devreset [2021-11-20 06:12:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_dev_reset [2021-11-20 06:12:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_dev_reset [2021-11-20 06:12:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_free [2021-11-20 06:12:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_free [2021-11-20 06:12:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:12:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:12:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_residual [2021-11-20 06:12:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_residual [2021-11-20 06:12:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-20 06:12:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-20 06:12:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:12:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:12:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_resume [2021-11-20 06:12:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_resume [2021-11-20 06:12:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_syncrate [2021-11-20 06:12:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_syncrate [2021-11-20 06:12:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_chip_init [2021-11-20 06:12:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_chip_init [2021-11-20 06:12:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_residual [2021-11-20 06:12:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_residual [2021-11-20 06:12:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7870_setup [2021-11-20 06:12:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7870_setup [2021-11-20 06:12:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_alloc [2021-11-20 06:12:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_alloc [2021-11-20 06:12:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_disc_list [2021-11-20 06:12:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_disc_list [2021-11-20 06:12:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_resume [2021-11-20 06:12:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_resume [2021-11-20 06:12:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_remove [2021-11-20 06:12:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_remove [2021-11-20 06:12:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_message_phase [2021-11-20 06:12:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_message_phase [2021-11-20 06:12:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_control_print [2021-11-20 06:12:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_control_print [2021-11-20 06:12:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_devinfo [2021-11-20 06:12:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_devinfo [2021-11-20 06:12:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_destroy [2021-11-20 06:12:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_destroy [2021-11-20 06:12:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_and_flushwork [2021-11-20 06:12:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_and_flushwork [2021-11-20 06:12:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:12:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:12:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_set_transaction_status [2021-11-20 06:12:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_set_transaction_status [2021-11-20 06:12:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_cmd_complete [2021-11-20 06:12:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_cmd_complete [2021-11-20 06:12:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_loadseq [2021-11-20 06:12:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_loadseq [2021-11-20 06:12:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_read_seeprom [2021-11-20 06:12:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_read_seeprom [2021-11-20 06:12:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_scsiid_print [2021-11-20 06:12:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_scsiid_print [2021-11-20 06:12:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 06:12:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 06:12:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_info [2021-11-20 06:12:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_info [2021-11-20 06:12:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:12:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:12:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:12:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:12:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_set_width [2021-11-20 06:12:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_set_width [2021-11-20 06:12:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transaction_status [2021-11-20 06:12:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transaction_status [2021-11-20 06:12:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_configure [2021-11-20 06:12:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_configure [2021-11-20 06:12:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scsi_status [2021-11-20 06:12:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scsi_status [2021-11-20 06:12:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_abort_scbs [2021-11-20 06:12:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_abort_scbs [2021-11-20 06:12:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_current_bus [2021-11-20 06:12:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_current_bus [2021-11-20 06:12:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_register [2021-11-20 06:12:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_register [2021-11-20 06:12:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:12:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:12:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_syncrate [2021-11-20 06:12:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_syncrate [2021-11-20 06:12:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sent_msg [2021-11-20 06:12:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sent_msg [2021-11-20 06:12:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lock [2021-11-20 06:12:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lock [2021-11-20 06:12:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transfer_length [2021-11-20 06:12:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transfer_length [2021-11-20 06:12:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_build_transfer_msg [2021-11-20 06:12:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_build_transfer_msg [2021-11-20 06:12:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure write_brdctl [2021-11-20 06:12:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure write_brdctl [2021-11-20 06:12:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:12:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:12:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:12:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:12:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_slot [2021-11-20 06:12:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_slot [2021-11-20 06:12:14,215 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_acquire_seeprom [2021-11-20 06:12:14,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_acquire_seeprom [2021-11-20 06:12:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_read_config [2021-11-20 06:12:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_read_config [2021-11-20 06:12:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:12:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_swap_with_next_hscb [2021-11-20 06:12:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_swap_with_next_hscb [2021-11-20 06:12:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 06:12:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 06:12:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_alloc [2021-11-20 06:12:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_alloc [2021-11-20 06:12:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_delay [2021-11-20 06:12:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_delay [2021-11-20 06:12:14,217 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_period [2021-11-20 06:12:14,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_period [2021-11-20 06:12:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:12:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394X_setup [2021-11-20 06:12:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394X_setup [2021-11-20 06:12:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue_tail [2021-11-20 06:12:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue_tail [2021-11-20 06:12:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_index_busy_tcl [2021-11-20 06:12:14,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_index_busy_tcl [2021-11-20 06:12:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_destroy [2021-11-20 06:12:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_destroy [2021-11-20 06:12:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:12:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_abort [2021-11-20 06:12:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_abort [2021-11-20 06:12:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-20 06:12:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_chip_init [2021-11-20 06:12:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_chip_init [2021-11-20 06:12:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_run_qoutfifo [2021-11-20 06:12:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_run_qoutfifo [2021-11-20 06:12:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_scbs [2021-11-20 06:12:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_scbs [2021-11-20 06:12:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_parse_msg [2021-11-20 06:12:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_parse_msg [2021-11-20 06:12:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_intstat [2021-11-20 06:12:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_intstat [2021-11-20 06:12:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_proto_violation [2021-11-20 06:12:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_proto_violation [2021-11-20 06:12:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_devq [2021-11-20 06:12:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_devq [2021-11-20 06:12:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-20 06:12:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-20 06:12:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure reset_seeprom [2021-11-20 06:12:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_seeprom [2021-11-20 06:12:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_width [2021-11-20 06:12:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_width [2021-11-20 06:12:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_msg_state [2021-11-20 06:12:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_msg_state [2021-11-20 06:12:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_untagged_queues [2021-11-20 06:12:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_untagged_queues [2021-11-20 06:12:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_bus [2021-11-20 06:12:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_bus [2021-11-20 06:12:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-20 06:12:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-20 06:12:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_match_scb [2021-11-20 06:12:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_match_scb [2021-11-20 06:12:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_bus_reset [2021-11-20 06:12:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_bus_reset [2021-11-20 06:12:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_abort_scbs [2021-11-20 06:12:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_abort_scbs [2021-11-20 06:12:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_destroy [2021-11-20 06:12:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_destroy [2021-11-20 06:12:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_add_curscb_to_free_list [2021-11-20 06:12:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_add_curscb_to_free_list [2021-11-20 06:12:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_brkadrint [2021-11-20 06:12:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_brkadrint [2021-11-20 06:12:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_get_signalling [2021-11-20 06:12:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_get_signalling [2021-11-20 06:12:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_send_async [2021-11-20 06:12:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_send_async [2021-11-20 06:12:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scbram_config [2021-11-20 06:12:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scbram_config [2021-11-20 06:12:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_probe_scbs [2021-11-20 06:12:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_probe_scbs [2021-11-20 06:12:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sg_bus_to_virt [2021-11-20 06:12:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sg_bus_to_virt [2021-11-20 06:12:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_create [2021-11-20 06:12:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_create [2021-11-20 06:12:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_load [2021-11-20 06:12:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_load [2021-11-20 06:12:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 06:12:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 06:12:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:12:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:12:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_msg_reject [2021-11-20 06:12:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_msg_reject [2021-11-20 06:12:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:12:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_transaction_status [2021-11-20 06:12:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_transaction_status [2021-11-20 06:12:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_queue_scb [2021-11-20 06:12:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_queue_scb [2021-11-20 06:12:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue [2021-11-20 06:12:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue [2021-11-20 06:12:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:12:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:12:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_transinfo [2021-11-20 06:12:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_transinfo [2021-11-20 06:12:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset [2021-11-20 06:12:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset [2021-11-20 06:12:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_untagged_queues [2021-11-20 06:12:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_untagged_queues [2021-11-20 06:12:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 06:12:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 06:12:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_write_config [2021-11-20 06:12:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_write_config [2021-11-20 06:12:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_bug_fix [2021-11-20 06:12:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_bug_fix [2021-11-20 06:12:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 06:12:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 06:12:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_download_instr [2021-11-20 06:12:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_download_instr [2021-11-20 06:12:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr [2021-11-20 06:12:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr [2021-11-20 06:12:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_free [2021-11-20 06:12:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_free [2021-11-20 06:12:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-20 06:12:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-20 06:12:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_force_renegotiation [2021-11-20 06:12:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_force_renegotiation [2021-11-20 06:12:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_sdtr [2021-11-20 06:12:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_sdtr [2021-11-20 06:12:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2021-11-20 06:12:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2021-11-20 06:12:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_show_info [2021-11-20 06:12:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_show_info [2021-11-20 06:12:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_channel [2021-11-20 06:12:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_channel [2021-11-20 06:12:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2021-11-20 06:12:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2021-11-20 06:12:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 06:12:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 06:12:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_qoutfifo [2021-11-20 06:12:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_qoutfifo [2021-11-20 06:12:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_alloc [2021-11-20 06:12:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_alloc [2021-11-20 06:12:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dump_card_state [2021-11-20 06:12:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dump_card_state [2021-11-20 06:12:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_devlimited_syncrate [2021-11-20 06:12:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_devlimited_syncrate [2021-11-20 06:12:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_transport_device_data [2021-11-20 06:12:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_transport_device_data [2021-11-20 06:12:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_set_tags [2021-11-20 06:12:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_set_tags [2021-11-20 06:12:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:12:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-20 06:12:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-20 06:12:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_width [2021-11-20 06:12:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_width [2021-11-20 06:12:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause [2021-11-20 06:12:14,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause [2021-11-20 06:12:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_name [2021-11-20 06:12:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_name [2021-11-20 06:12:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_in_softc [2021-11-20 06:12:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_in_softc [2021-11-20 06:12:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha398XX_setup [2021-11-20 06:12:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha398XX_setup [2021-11-20 06:12:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7895_setup [2021-11-20 06:12:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7895_setup [2021-11-20 06:12:16,049 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:12:16,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:12:16,857 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:17:50,482 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:17:50,528 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:17:50,528 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:17:50,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:50 BoogieIcfgContainer [2021-11-20 06:17:50,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:17:50,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:17:50,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:17:50,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:17:50,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:12:02" (1/3) ... [2021-11-20 06:17:50,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77949a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:17:50, skipping insertion in model container [2021-11-20 06:17:50,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:12:11" (2/3) ... [2021-11-20 06:17:50,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77949a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:17:50, skipping insertion in model container [2021-11-20 06:17:50,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:50" (3/3) ... [2021-11-20 06:17:50,547 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2021-11-20 06:17:50,552 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:17:50,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:17:50,639 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:17:50,648 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=PETRI_NET, 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 [2021-11-20 06:17:50,649 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:17:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 6150 states, 4219 states have (on average 1.3680967053804218) internal successors, (5772), 4371 states have internal predecessors, (5772), 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) [2021-11-20 06:17:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-20 06:17:50,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:17:50,836 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-20 06:17:50,837 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:17:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:17:50,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1173156884, now seen corresponding path program 1 times [2021-11-20 06:17:50,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:17:50,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460687946] [2021-11-20 06:17:50,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:17:50,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:17:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:17:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:17:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:17:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:17:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:17:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:17:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:17:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:17:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:17:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:17:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:17:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 06:17:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 06:17:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-20 06:17:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:17:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:17:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-20 06:17:53,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:17:53,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460687946] [2021-11-20 06:17:53,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460687946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:17:53,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:17:53,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:17:53,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389027194] [2021-11-20 06:17:53,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:17:53,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:17:53,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:17:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:17:53,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:17:53,748 INFO L87 Difference]: Start difference. First operand has 6150 states, 4219 states have (on average 1.3680967053804218) internal successors, (5772), 4371 states have internal predecessors, (5772), 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 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 06:17:56,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:17:58,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:18:08,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:18:12,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:07,492 INFO L93 Difference]: Finished difference Result 21737 states and 33648 transitions. [2021-11-20 06:19:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:19:07,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 6 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 153 [2021-11-20 06:19:07,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:07,715 INFO L225 Difference]: With dead ends: 21737 [2021-11-20 06:19:07,715 INFO L226 Difference]: Without dead ends: 15549 [2021-11-20 06:19:07,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:19:07,798 INFO L933 BasicCegarLoop]: 8727 mSDtfsCounter, 27907 mSDsluCounter, 11913 mSDsCounter, 0 mSdLazyCounter, 15187 mSolverCounterSat, 25008 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29463 SdHoareTripleChecker+Valid, 20640 SdHoareTripleChecker+Invalid, 40197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 25008 IncrementalHoareTripleChecker+Valid, 15187 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:07,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29463 Valid, 20640 Invalid, 40197 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [25008 Valid, 15187 Invalid, 2 Unknown, 0 Unchecked, 71.3s Time] [2021-11-20 06:19:07,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15549 states. [2021-11-20 06:19:09,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15549 to 12819. [2021-11-20 06:19:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12819 states, 8793 states have (on average 1.3681337427499147) internal successors, (12030), 9117 states have internal predecessors, (12030), 3597 states have call successors, (3597), 389 states have call predecessors, (3597), 428 states have return successors, (3809), 3562 states have call predecessors, (3809), 3596 states have call successors, (3809) [2021-11-20 06:19:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12819 states to 12819 states and 19436 transitions. [2021-11-20 06:19:09,825 INFO L78 Accepts]: Start accepts. Automaton has 12819 states and 19436 transitions. Word has length 153 [2021-11-20 06:19:09,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:09,830 INFO L470 AbstractCegarLoop]: Abstraction has 12819 states and 19436 transitions. [2021-11-20 06:19:09,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 06:19:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 12819 states and 19436 transitions. [2021-11-20 06:19:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-20 06:19:09,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:09,851 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-20 06:19:09,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:19:09,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:09,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1469928906, now seen corresponding path program 1 times [2021-11-20 06:19:09,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:19:09,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496977189] [2021-11-20 06:19:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:19:09,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:19:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:19:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:19:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:19:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:19:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:19:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:19:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:19:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:19:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:19:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:19:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:19:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:19:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:19:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-11-20 06:19:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:19:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 06:19:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-20 06:19:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-20 06:19:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 06:19:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-20 06:19:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-20 06:19:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-20 06:19:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:19:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 06:19:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:19:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-20 06:19:11,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:19:11,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496977189] [2021-11-20 06:19:11,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496977189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:19:11,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:19:11,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:19:11,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7860901] [2021-11-20 06:19:11,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:19:11,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:19:11,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:19:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:19:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:19:11,807 INFO L87 Difference]: Start difference. First operand 12819 states and 19436 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:19:14,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:16,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:17,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:23,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:35,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:41,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:46,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:10,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:10,923 INFO L93 Difference]: Finished difference Result 41582 states and 63894 transitions. [2021-11-20 06:20:10,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:20:10,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 6 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 213 [2021-11-20 06:20:10,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:11,166 INFO L225 Difference]: With dead ends: 41582 [2021-11-20 06:20:11,166 INFO L226 Difference]: Without dead ends: 28782 [2021-11-20 06:20:11,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:20:11,283 INFO L933 BasicCegarLoop]: 14424 mSDtfsCounter, 16278 mSDsluCounter, 19807 mSDsCounter, 0 mSdLazyCounter, 12893 mSolverCounterSat, 14450 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17612 SdHoareTripleChecker+Valid, 34231 SdHoareTripleChecker+Invalid, 27347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14450 IncrementalHoareTripleChecker+Valid, 12893 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:11,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17612 Valid, 34231 Invalid, 27347 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14450 Valid, 12893 Invalid, 4 Unknown, 0 Unchecked, 57.3s Time] [2021-11-20 06:20:11,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28782 states. [2021-11-20 06:20:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28782 to 23492. [2021-11-20 06:20:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23492 states, 16062 states have (on average 1.366143693188893) internal successors, (21943), 16693 states have internal predecessors, (21943), 6606 states have call successors, (6606), 744 states have call predecessors, (6606), 823 states have return successors, (6995), 6537 states have call predecessors, (6995), 6605 states have call successors, (6995) [2021-11-20 06:20:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23492 states to 23492 states and 35544 transitions. [2021-11-20 06:20:14,035 INFO L78 Accepts]: Start accepts. Automaton has 23492 states and 35544 transitions. Word has length 213 [2021-11-20 06:20:14,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:20:14,038 INFO L470 AbstractCegarLoop]: Abstraction has 23492 states and 35544 transitions. [2021-11-20 06:20:14,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:20:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23492 states and 35544 transitions. [2021-11-20 06:20:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-20 06:20:14,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:20:14,054 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2021-11-20 06:20:14,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:20:14,054 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:20:14,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:20:14,055 INFO L85 PathProgramCache]: Analyzing trace with hash -829222090, now seen corresponding path program 1 times [2021-11-20 06:20:14,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:20:14,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101369745] [2021-11-20 06:20:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:20:14,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:20:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:20:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:20:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:20:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:20:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:20:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:20:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:20:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:20:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:20:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:20:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-20 06:20:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 06:20:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:20:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-20 06:20:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:20:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 06:20:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 06:20:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-20 06:20:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-20 06:20:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:20:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-20 06:20:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 06:20:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-20 06:20:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-20 06:20:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:20:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-11-20 06:20:16,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:20:16,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101369745] [2021-11-20 06:20:16,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101369745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:20:16,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:20:16,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:20:16,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535331098] [2021-11-20 06:20:16,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:20:16,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:20:16,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:20:16,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:20:16,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:20:16,486 INFO L87 Difference]: Start difference. First operand 23492 states and 35544 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 06:20:18,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:20,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:22,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:27,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:34,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:37,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:46,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:20:58,996 INFO L93 Difference]: Finished difference Result 54771 states and 84209 transitions. [2021-11-20 06:20:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:20:58,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (27), 6 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 262 [2021-11-20 06:20:58,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:20:59,182 INFO L225 Difference]: With dead ends: 54771 [2021-11-20 06:20:59,182 INFO L226 Difference]: Without dead ends: 31303 [2021-11-20 06:20:59,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:20:59,268 INFO L933 BasicCegarLoop]: 9257 mSDtfsCounter, 18149 mSDsluCounter, 16280 mSDsCounter, 0 mSdLazyCounter, 9597 mSolverCounterSat, 13600 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19326 SdHoareTripleChecker+Valid, 25537 SdHoareTripleChecker+Invalid, 23199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13600 IncrementalHoareTripleChecker+Valid, 9597 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:20:59,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19326 Valid, 25537 Invalid, 23199 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13600 Valid, 9597 Invalid, 2 Unknown, 0 Unchecked, 40.6s Time] [2021-11-20 06:20:59,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31303 states. [2021-11-20 06:21:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31303 to 23496. [2021-11-20 06:21:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23496 states, 16066 states have (on average 1.366052533300137) internal successors, (21947), 16697 states have internal predecessors, (21947), 6606 states have call successors, (6606), 744 states have call predecessors, (6606), 823 states have return successors, (6995), 6537 states have call predecessors, (6995), 6605 states have call successors, (6995) [2021-11-20 06:21:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23496 states to 23496 states and 35548 transitions. [2021-11-20 06:21:02,328 INFO L78 Accepts]: Start accepts. Automaton has 23496 states and 35548 transitions. Word has length 262 [2021-11-20 06:21:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:02,329 INFO L470 AbstractCegarLoop]: Abstraction has 23496 states and 35548 transitions. [2021-11-20 06:21:02,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 06:21:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 23496 states and 35548 transitions. [2021-11-20 06:21:02,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-20 06:21:02,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:02,344 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 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] [2021-11-20 06:21:02,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:21:02,345 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:21:02,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:02,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1633636696, now seen corresponding path program 1 times [2021-11-20 06:21:02,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:02,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042241893] [2021-11-20 06:21:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:02,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:21:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:21:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:21:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:21:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:21:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:21:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:21:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:21:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:21:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:21:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-20 06:21:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 06:21:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:21:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:21:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:21:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:21:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:21:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:21:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:21:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-20 06:21:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 06:21:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 06:21:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 06:21:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 06:21:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 06:21:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-20 06:21:04,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:21:04,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042241893] [2021-11-20 06:21:04,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042241893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:21:04,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:21:04,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:21:04,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506281006] [2021-11-20 06:21:04,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:21:04,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:21:04,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:21:04,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:21:04,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:21:04,577 INFO L87 Difference]: Start difference. First operand 23496 states and 35548 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 06:21:07,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:09,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:11,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:13,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:18,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:25,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:36,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:02,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:22:02,713 INFO L93 Difference]: Finished difference Result 48988 states and 75933 transitions. [2021-11-20 06:22:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:22:02,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (28), 7 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 279 [2021-11-20 06:22:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:22:03,023 INFO L225 Difference]: With dead ends: 48988 [2021-11-20 06:22:03,024 INFO L226 Difference]: Without dead ends: 48985 [2021-11-20 06:22:03,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:22:03,057 INFO L933 BasicCegarLoop]: 10022 mSDtfsCounter, 16033 mSDsluCounter, 17428 mSDsCounter, 0 mSdLazyCounter, 15893 mSolverCounterSat, 11018 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17414 SdHoareTripleChecker+Valid, 27450 SdHoareTripleChecker+Invalid, 26915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11018 IncrementalHoareTripleChecker+Valid, 15893 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:22:03,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17414 Valid, 27450 Invalid, 26915 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11018 Valid, 15893 Invalid, 4 Unknown, 0 Unchecked, 55.9s Time] [2021-11-20 06:22:03,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48985 states. [2021-11-20 06:22:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48985 to 40931. [2021-11-20 06:22:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40931 states, 27707 states have (on average 1.3640596239217526) internal successors, (37794), 28921 states have internal predecessors, (37794), 11768 states have call successors, (11768), 1344 states have call predecessors, (11768), 1455 states have return successors, (12647), 11563 states have call predecessors, (12647), 11767 states have call successors, (12647) [2021-11-20 06:22:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40931 states to 40931 states and 62209 transitions. [2021-11-20 06:22:07,137 INFO L78 Accepts]: Start accepts. Automaton has 40931 states and 62209 transitions. Word has length 279 [2021-11-20 06:22:07,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:22:07,139 INFO L470 AbstractCegarLoop]: Abstraction has 40931 states and 62209 transitions. [2021-11-20 06:22:07,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-20 06:22:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 40931 states and 62209 transitions. [2021-11-20 06:22:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-11-20 06:22:07,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:22:07,211 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 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] [2021-11-20 06:22:07,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:22:07,211 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:22:07,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1285804991, now seen corresponding path program 1 times [2021-11-20 06:22:07,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:07,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491111961] [2021-11-20 06:22:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:07,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:22:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:22:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:22:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:22:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:22:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:22:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:22:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:22:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:22:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:22:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-20 06:22:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 06:22:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:22:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:22:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:22:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:22:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:22:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-20 06:22:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 06:22:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 06:22:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 06:22:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 06:22:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 06:22:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-20 06:22:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:22:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 06:22:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 06:22:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 06:22:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 06:22:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:22:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-20 06:22:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-20 06:22:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:22:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:22:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:22:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 06:22:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-20 06:22:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-20 06:22:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-20 06:22:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:22:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-11-20 06:22:10,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:22:10,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491111961] [2021-11-20 06:22:10,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491111961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:22:10,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:22:10,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-20 06:22:10,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996772172] [2021-11-20 06:22:10,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:22:10,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-20 06:22:10,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:22:10,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 06:22:10,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:22:10,505 INFO L87 Difference]: Start difference. First operand 40931 states and 62209 transitions. Second operand has 17 states, 17 states have (on average 11.176470588235293) internal successors, (190), 8 states have internal predecessors, (190), 2 states have call successors, (48), 10 states have call predecessors, (48), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-20 06:22:12,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:14,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:16,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:18,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:33,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:22:53,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:09,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:15,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:18,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:19,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:21,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:24,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:23:26,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:24:02,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:02,277 INFO L93 Difference]: Finished difference Result 97352 states and 150559 transitions. [2021-11-20 06:24:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:24:02,278 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.176470588235293) internal successors, (190), 8 states have internal predecessors, (190), 2 states have call successors, (48), 10 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 449 [2021-11-20 06:24:02,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:24:02,927 INFO L225 Difference]: With dead ends: 97352 [2021-11-20 06:24:02,927 INFO L226 Difference]: Without dead ends: 56445 [2021-11-20 06:24:03,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:24:03,146 INFO L933 BasicCegarLoop]: 9139 mSDtfsCounter, 19623 mSDsluCounter, 62375 mSDsCounter, 0 mSdLazyCounter, 46863 mSolverCounterSat, 18223 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20645 SdHoareTripleChecker+Valid, 71514 SdHoareTripleChecker+Invalid, 65091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 18223 IncrementalHoareTripleChecker+Valid, 46863 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:24:03,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20645 Valid, 71514 Invalid, 65091 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [18223 Valid, 46863 Invalid, 5 Unknown, 0 Unchecked, 107.1s Time] [2021-11-20 06:24:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56445 states. [2021-11-20 06:24:07,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56445 to 41399. [2021-11-20 06:24:07,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41399 states, 28045 states have (on average 1.3641647352469246) internal successors, (38258), 29249 states have internal predecessors, (38258), 11876 states have call successors, (11876), 1344 states have call predecessors, (11876), 1477 states have return successors, (12823), 11715 states have call predecessors, (12823), 11875 states have call successors, (12823) [2021-11-20 06:24:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41399 states to 41399 states and 62957 transitions. [2021-11-20 06:24:07,479 INFO L78 Accepts]: Start accepts. Automaton has 41399 states and 62957 transitions. Word has length 449 [2021-11-20 06:24:07,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:24:07,485 INFO L470 AbstractCegarLoop]: Abstraction has 41399 states and 62957 transitions. [2021-11-20 06:24:07,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.176470588235293) internal successors, (190), 8 states have internal predecessors, (190), 2 states have call successors, (48), 10 states have call predecessors, (48), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-20 06:24:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 41399 states and 62957 transitions. [2021-11-20 06:24:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-11-20 06:24:07,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:24:07,554 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:24:07,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:24:07,555 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:24:07,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash -509904333, now seen corresponding path program 1 times [2021-11-20 06:24:07,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:07,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319896906] [2021-11-20 06:24:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:07,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:24:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:24:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:24:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:24:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:24:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:24:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:24:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:24:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 06:24:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 06:24:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-20 06:24:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 06:24:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-20 06:24:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-20 06:24:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-20 06:24:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-20 06:24:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 06:24:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-20 06:24:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 06:24:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 06:24:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 06:24:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-20 06:24:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 06:24:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-20 06:24:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:24:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 06:24:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-20 06:24:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 06:24:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-20 06:24:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-20 06:24:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:24:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:24:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:24:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 06:24:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-20 06:24:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:24:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:24:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:24:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 06:24:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-20 06:24:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-20 06:24:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-20 06:24:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:24:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-11-20 06:24:10,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:24:10,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319896906] [2021-11-20 06:24:10,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319896906] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:24:10,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139080048] [2021-11-20 06:24:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:10,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:24:10,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:10,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:24:10,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c0e1a41-1811-4af9-b39a-d640ef49f904/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:24:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:24:14,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 21948 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:24:14,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:24:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2021-11-20 06:24:15,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:24:15,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139080048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:24:15,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:24:15,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2021-11-20 06:24:15,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779979484] [2021-11-20 06:24:15,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:24:15,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:24:15,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:24:15,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:24:15,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:24:15,858 INFO L87 Difference]: Start difference. First operand 41399 states and 62957 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-20 06:24:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:24:20,990 INFO L93 Difference]: Finished difference Result 125433 states and 190881 transitions. [2021-11-20 06:24:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:24:20,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 463 [2021-11-20 06:24:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:24:21,701 INFO L225 Difference]: With dead ends: 125433 [2021-11-20 06:24:21,701 INFO L226 Difference]: Without dead ends: 84058 [2021-11-20 06:24:21,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:24:21,945 INFO L933 BasicCegarLoop]: 11269 mSDtfsCounter, 10033 mSDsluCounter, 20234 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10033 SdHoareTripleChecker+Valid, 31503 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:24:21,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10033 Valid, 31503 Invalid, 313 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [184 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 06:24:22,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84058 states.