./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/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_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:26:53,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:26:53,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:26:53,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:26:53,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:26:53,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:26:53,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:26:53,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:26:53,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:26:53,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:26:53,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:26:53,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:26:53,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:26:53,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:26:53,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:26:53,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:26:53,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:26:53,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:26:53,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:26:53,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:26:53,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:26:53,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:26:53,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:26:53,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:26:53,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:26:53,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:26:53,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:26:53,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:26:53,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:26:53,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:26:53,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:26:53,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:26:53,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:26:53,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:26:53,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:26:53,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:26:53,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:26:53,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:26:53,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:26:53,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:26:53,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:26:53,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:26:53,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:26:53,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:26:53,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:26:53,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:26:53,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:26:53,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:26:53,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:26:53,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:26:53,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:26:53,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:26:53,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:26:53,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:26:53,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:26:53,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:26:53,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:26:53,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:26:53,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:26:53,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:26:53,733 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_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a360cb3610b87d6aed13de22db562ec1954f5b73892b256f21f61c8291c93ced [2021-12-06 20:26:53,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:26:53,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:26:53,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:26:53,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:26:53,925 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:26:53,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/../../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 [2021-12-06 20:26:53,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/data/4bf731f78/fa4a6ef6d4cc44379a867e2f0ff5b354/FLAG80596410a [2021-12-06 20:26:54,689 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:26:54,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/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 [2021-12-06 20:26:54,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/data/4bf731f78/fa4a6ef6d4cc44379a867e2f0ff5b354/FLAG80596410a [2021-12-06 20:26:54,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/data/4bf731f78/fa4a6ef6d4cc44379a867e2f0ff5b354 [2021-12-06 20:26:54,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:26:54,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:26:54,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:26:54,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:26:54,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:26:54,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:26:54" (1/1) ... [2021-12-06 20:26:54,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2093a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:26:54, skipping insertion in model container [2021-12-06 20:26:54,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:26:54" (1/1) ... [2021-12-06 20:26:54,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:26:55,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:26:59,021 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_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/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] [2021-12-06 20:26:59,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:26:59,461 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:27:00,116 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_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/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] [2021-12-06 20:27:00,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:27:00,563 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:27:00,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00 WrapperNode [2021-12-06 20:27:00,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:27:00,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:27:00,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:27:00,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:27:00,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:00,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,111 INFO L137 Inliner]: procedures = 521, calls = 13767, calls flagged for inlining = 259, calls inlined = 255, statements flattened = 21678 [2021-12-06 20:27:01,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:27:01,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:27:01,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:27:01,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:27:01,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:27:01,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:27:01,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:27:01,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:27:01,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (1/1) ... [2021-12-06 20:27:01,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:27:01,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:27:01,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:27:01,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:27:01,664 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inl [2021-12-06 20:27:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inl [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unpause [2021-12-06 20:27:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unpause [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_neg_request [2021-12-06 20:27:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_neg_request [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2021-12-06 20:27:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_unload [2021-12-06 20:27:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_unload [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outl [2021-12-06 20:27:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outl [2021-12-06 20:27:01,665 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_verify_cksum [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_verify_cksum [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inw [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inw [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure send_seeprom_cmd [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure send_seeprom_cmd [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_seqint [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_seqint [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-12-06 20:27:01,666 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_wdtr [2021-12-06 20:27:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_wdtr [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_seeprom [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_seeprom [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_outb [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_outb [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_user_tagdepth [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_user_tagdepth [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr_enable [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr_enable [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_scb [2021-12-06 20:27:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_scb [2021-12-06 20:27:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_assert_atn [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_assert_atn [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_path [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_path [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_compile_devinfo [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_compile_devinfo [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_inb [2021-12-06 20:27:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_inb [2021-12-06 20:27:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_format_transinfo [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_format_transinfo [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_critical_section [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_critical_section [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_check_patch [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_check_patch [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_sense_residual [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_sense_residual [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_lun_print [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_lun_print [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure configure_termination [2021-12-06 20:27:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_termination [2021-12-06 20:27:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_scb [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_scb [2021-12-06 20:27:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scb [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scb [2021-12-06 20:27:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_residual [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_residual [2021-12-06 20:27:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7899_setup [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7899_setup [2021-12-06 20:27:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XX_setup [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XX_setup [2021-12-06 20:27:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_ppr [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_ppr [2021-12-06 20:27:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 20:27:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_flush_device_writes [2021-12-06 20:27:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_flush_device_writes [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 20:27:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_devinfo [2021-12-06 20:27:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_devinfo [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_pending_scbs [2021-12-06 20:27:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_pending_scbs [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_devinfo [2021-12-06 20:27:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_devinfo [2021-12-06 20:27:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 20:27:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unlock [2021-12-06 20:27:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unlock [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-12-06 20:27:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 20:27:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7860_setup [2021-12-06 20:27:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7860_setup [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_shutdown [2021-12-06 20:27:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_shutdown [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:27:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_done [2021-12-06 20:27:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_done [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_tags [2021-12-06 20:27:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_tags [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_scsiint [2021-12-06 20:27:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_scsiint [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-06 20:27:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_restart [2021-12-06 20:27:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_restart [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:27:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_recovery_cmd [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_recovery_cmd [2021-12-06 20:27:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_offset [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_offset [2021-12-06 20:27:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:27:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_scsi_status [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_scsi_status [2021-12-06 20:27:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_is_paused [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_is_paused [2021-12-06 20:27:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_untagged_queues [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_untagged_queues [2021-12-06 20:27:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_scb [2021-12-06 20:27:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_scb [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7880_setup [2021-12-06 20:27:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7880_setup [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_qinfifo [2021-12-06 20:27:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_qinfifo [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_tstate [2021-12-06 20:27:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_tstate [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 20:27:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_tag_print [2021-12-06 20:27:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_tag_print [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_get_transaction_status [2021-12-06 20:27:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_get_transaction_status [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:27:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_function [2021-12-06 20:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_function [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lookup_phase_entry [2021-12-06 20:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lookup_phase_entry [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_unbusy_tcl [2021-12-06 20:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_unbusy_tcl [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_controller_info [2021-12-06 20:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_controller_info [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure read_brdctl [2021-12-06 20:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure read_brdctl [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394XU_setup [2021-12-06 20:27:01,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394XU_setup [2021-12-06 20:27:01,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_devreset [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_devreset [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_dev_reset [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_dev_reset [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_free [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_free [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_update_residual [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_update_residual [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-06 20:27:01,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:27:01,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_resume [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_resume [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_syncrate [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_syncrate [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_chip_init [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_chip_init [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_residual [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_residual [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7870_setup [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7870_setup [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_alloc [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_alloc [2021-12-06 20:27:01,678 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_disc_list [2021-12-06 20:27:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_disc_list [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_resume [2021-12-06 20:27:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_resume [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_pci_dev_remove [2021-12-06 20:27:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_pci_dev_remove [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_message_phase [2021-12-06 20:27:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_message_phase [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_control_print [2021-12-06 20:27:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_control_print [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_devinfo [2021-12-06 20:27:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_devinfo [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_destroy [2021-12-06 20:27:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_destroy [2021-12-06 20:27:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_and_flushwork [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_and_flushwork [2021-12-06 20:27:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:27:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_cmd_set_transaction_status [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_cmd_set_transaction_status [2021-12-06 20:27:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue_cmd_complete [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue_cmd_complete [2021-12-06 20:27:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_loadseq [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_loadseq [2021-12-06 20:27:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_read_seeprom [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_read_seeprom [2021-12-06 20:27:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scb_scsiid_print [2021-12-06 20:27:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scb_scsiid_print [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 20:27:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_info [2021-12-06 20:27:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_info [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:27:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_set_width [2021-12-06 20:27:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_set_width [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transaction_status [2021-12-06 20:27:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transaction_status [2021-12-06 20:27:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_slave_configure [2021-12-06 20:27:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_slave_configure [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_scsi_status [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_scsi_status [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_abort_scbs [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_abort_scbs [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_current_bus [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_current_bus [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_print_register [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_print_register [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_syncrate [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_syncrate [2021-12-06 20:27:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sent_msg [2021-12-06 20:27:01,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sent_msg [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_lock [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_lock [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_transfer_length [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_transfer_length [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_build_transfer_msg [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_build_transfer_msg [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_brdctl [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure write_brdctl [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:27:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_slot [2021-12-06 20:27:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_slot [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_acquire_seeprom [2021-12-06 20:27:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_acquire_seeprom [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_read_config [2021-12-06 20:27:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_read_config [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_swap_with_next_hscb [2021-12-06 20:27:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_swap_with_next_hscb [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 20:27:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamem_alloc [2021-12-06 20:27:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamem_alloc [2021-12-06 20:27:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_delay [2021-12-06 20:27:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_delay [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_find_period [2021-12-06 20:27:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_find_period [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha394X_setup [2021-12-06 20:27:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha394X_setup [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_qinfifo_requeue_tail [2021-12-06 20:27:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_qinfifo_requeue_tail [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_index_busy_tcl [2021-12-06 20:27:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_index_busy_tcl [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_destroy [2021-12-06 20:27:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_destroy [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:27:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_abort [2021-12-06 20:27:01,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_abort [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_chip_init [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_chip_init [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_run_qoutfifo [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_run_qoutfifo [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_alloc_scbs [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_alloc_scbs [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_parse_msg [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_parse_msg [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_intstat [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_intstat [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_proto_violation [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_proto_violation [2021-12-06 20:27:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_freeze_devq [2021-12-06 20:27:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_freeze_devq [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure reset_seeprom [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_seeprom [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_width [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_width [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_clear_msg_state [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_clear_msg_state [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_release_untagged_queues [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_release_untagged_queues [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_get_pci_bus [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_get_pci_bus [2021-12-06 20:27:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-12-06 20:27:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_match_scb [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_match_scb [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_bus_reset [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_bus_reset [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_abort_scbs [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_abort_scbs [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_destroy [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_destroy [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_add_curscb_to_free_list [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_add_curscb_to_free_list [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_brkadrint [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_brkadrint [2021-12-06 20:27:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_get_signalling [2021-12-06 20:27:01,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_get_signalling [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_send_async [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_send_async [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_scbram_config [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_scbram_config [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_probe_scbs [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_probe_scbs [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sg_bus_to_virt [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sg_bus_to_virt [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dma_tag_create [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dma_tag_create [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dmamap_load [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dmamap_load [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-06 20:27:01,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-06 20:27:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_handle_msg_reject [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_handle_msg_reject [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_set_transaction_status [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_set_transaction_status [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_queue_scb [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_queue_scb [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_queue [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_queue [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_fetch_transinfo [2021-12-06 20:27:01,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_fetch_transinfo [2021-12-06 20:27:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_search_untagged_queues [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_search_untagged_queues [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pci_write_config [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pci_write_config [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause_bug_fix [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause_bug_fix [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_download_instr [2021-12-06 20:27:01,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_download_instr [2021-12-06 20:27:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_intr [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_intr [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_free [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_free [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_force_renegotiation [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_force_renegotiation [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_construct_sdtr [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_construct_sdtr [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_show_info [2021-12-06 20:27:01,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_show_info [2021-12-06 20:27:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_reset_channel [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_reset_channel [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_sync_qoutfifo [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_sync_qoutfifo [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_alloc [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_alloc [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_dump_card_state [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_dump_card_state [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_devlimited_syncrate [2021-12-06 20:27:01,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_devlimited_syncrate [2021-12-06 20:27:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_transport_device_data [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_transport_device_data [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_platform_set_tags [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_platform_set_tags [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_validate_width [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_validate_width [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_pause [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_pause [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_name [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_name [2021-12-06 20:27:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_linux_target_in_softc [2021-12-06 20:27:01,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_linux_target_in_softc [2021-12-06 20:27:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aha398XX_setup [2021-12-06 20:27:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aha398XX_setup [2021-12-06 20:27:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure ahc_aic7895_setup [2021-12-06 20:27:01,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ahc_aic7895_setup [2021-12-06 20:27:02,625 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:27:02,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:27:03,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:31:15,278 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:31:15,304 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:31:15,304 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:31:15,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:31:15 BoogieIcfgContainer [2021-12-06 20:31:15,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:31:15,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:31:15,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:31:15,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:31:15,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:26:54" (1/3) ... [2021-12-06 20:31:15,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af3aabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:31:15, skipping insertion in model container [2021-12-06 20:31:15,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:27:00" (2/3) ... [2021-12-06 20:31:15,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af3aabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:31:15, skipping insertion in model container [2021-12-06 20:31:15,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:31:15" (3/3) ... [2021-12-06 20:31:15,315 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--aic7xxx--aic7xxx.ko-entry_point.cil.out.i [2021-12-06 20:31:15,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:31:15,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:31:15,373 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:31:15,379 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 [2021-12-06 20:31:15,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:31:15,487 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) [2021-12-06 20:31:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-06 20:31:15,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:15,513 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] [2021-12-06 20:31:15,513 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:31:15,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:15,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1173156884, now seen corresponding path program 1 times [2021-12-06 20:31:15,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:31:15,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101643731] [2021-12-06 20:31:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:15,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:31:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:31:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:31:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:31:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:31:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:31:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:31:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:31:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:31:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:31:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:31:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:31:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-06 20:31:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-06 20:31:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-06 20:31:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:31:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-06 20:31:17,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:31:17,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101643731] [2021-12-06 20:31:17,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101643731] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:31:17,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:31:17,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:31:17,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262733416] [2021-12-06 20:31:17,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:31:17,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:31:17,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:31:17,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:31:17,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:31:17,415 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) [2021-12-06 20:31:19,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:21,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:25,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:31,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:42,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:44,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:08,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:11,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:32:11,997 INFO L93 Difference]: Finished difference Result 21735 states and 33647 transitions. [2021-12-06 20:32:11,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:32:12,000 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 [2021-12-06 20:32:12,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:32:12,135 INFO L225 Difference]: With dead ends: 21735 [2021-12-06 20:32:12,136 INFO L226 Difference]: Without dead ends: 15547 [2021-12-06 20:32:12,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:32:12,193 INFO L933 BasicCegarLoop]: 8787 mSDtfsCounter, 27775 mSDsluCounter, 11931 mSDsCounter, 0 mSdLazyCounter, 15205 mSolverCounterSat, 25081 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29328 SdHoareTripleChecker+Valid, 20718 SdHoareTripleChecker+Invalid, 40290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 25081 IncrementalHoareTripleChecker+Valid, 15205 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:32:12,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29328 Valid, 20718 Invalid, 40290 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [25081 Valid, 15205 Invalid, 4 Unknown, 0 Unchecked, 53.0s Time] [2021-12-06 20:32:12,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15547 states. [2021-12-06 20:32:13,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15547 to 12816. [2021-12-06 20:32:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12816 states, 8791 states have (on average 1.3682174951655102) internal successors, (12028), 9115 states have internal predecessors, (12028), 3597 states have call successors, (3597), 388 states have call predecessors, (3597), 427 states have return successors, (3809), 3562 states have call predecessors, (3809), 3596 states have call successors, (3809) [2021-12-06 20:32:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12816 states to 12816 states and 19434 transitions. [2021-12-06 20:32:13,337 INFO L78 Accepts]: Start accepts. Automaton has 12816 states and 19434 transitions. Word has length 153 [2021-12-06 20:32:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:32:13,338 INFO L470 AbstractCegarLoop]: Abstraction has 12816 states and 19434 transitions. [2021-12-06 20:32:13,338 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) [2021-12-06 20:32:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12816 states and 19434 transitions. [2021-12-06 20:32:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-06 20:32:13,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:32:13,346 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] [2021-12-06 20:32:13,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:32:13,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:32:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:32:13,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1469928906, now seen corresponding path program 1 times [2021-12-06 20:32:13,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:32:13,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922934087] [2021-12-06 20:32:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:32:13,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:32:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:32:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:32:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:32:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:32:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:32:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:32:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:32:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:32:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:32:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:32:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:32:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:32:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:32:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 20:32:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:32:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-06 20:32:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 20:32:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 20:32:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-06 20:32:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-06 20:32:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-06 20:32:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:32:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:32:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 20:32:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-12-06 20:32:14,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:32:14,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922934087] [2021-12-06 20:32:14,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922934087] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:32:14,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:32:14,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:32:14,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86289964] [2021-12-06 20:32:14,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:32:14,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:32:14,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:32:14,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:32:14,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:32:14,796 INFO L87 Difference]: Start difference. First operand 12816 states and 19434 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) [2021-12-06 20:32:16,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:18,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:28,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:34,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:05,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:05,182 INFO L93 Difference]: Finished difference Result 41577 states and 63890 transitions. [2021-12-06 20:33:05,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:33:05,184 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 [2021-12-06 20:33:05,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:05,364 INFO L225 Difference]: With dead ends: 41577 [2021-12-06 20:33:05,365 INFO L226 Difference]: Without dead ends: 28780 [2021-12-06 20:33:05,439 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 [2021-12-06 20:33:05,440 INFO L933 BasicCegarLoop]: 14347 mSDtfsCounter, 16287 mSDsluCounter, 19703 mSDsCounter, 0 mSdLazyCounter, 12867 mSolverCounterSat, 14566 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17618 SdHoareTripleChecker+Valid, 34050 SdHoareTripleChecker+Invalid, 27435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14566 IncrementalHoareTripleChecker+Valid, 12867 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:05,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17618 Valid, 34050 Invalid, 27435 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14566 Valid, 12867 Invalid, 2 Unknown, 0 Unchecked, 48.7s Time] [2021-12-06 20:33:05,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28780 states. [2021-12-06 20:33:06,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28780 to 23492. [2021-12-06 20:33:06,988 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) [2021-12-06 20:33:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23492 states to 23492 states and 35544 transitions. [2021-12-06 20:33:07,104 INFO L78 Accepts]: Start accepts. Automaton has 23492 states and 35544 transitions. Word has length 213 [2021-12-06 20:33:07,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:07,105 INFO L470 AbstractCegarLoop]: Abstraction has 23492 states and 35544 transitions. [2021-12-06 20:33:07,105 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) [2021-12-06 20:33:07,106 INFO L276 IsEmpty]: Start isEmpty. Operand 23492 states and 35544 transitions. [2021-12-06 20:33:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-06 20:33:07,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:07,117 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] [2021-12-06 20:33:07,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:33:07,118 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:33:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:07,118 INFO L85 PathProgramCache]: Analyzing trace with hash -829222090, now seen corresponding path program 1 times [2021-12-06 20:33:07,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:33:07,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900222181] [2021-12-06 20:33:07,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:07,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:33:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:33:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:33:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:33:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:33:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:33:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:33:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:33:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:33:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:33:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:33:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:33:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:33:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:33:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:33:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:33:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 20:33:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:33:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 20:33:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:33:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-06 20:33:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-06 20:33:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 20:33:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-06 20:33:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:33:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:33:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-06 20:33:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-06 20:33:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-06 20:33:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2021-12-06 20:33:08,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:33:08,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900222181] [2021-12-06 20:33:08,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900222181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:08,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:08,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:33:08,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570293875] [2021-12-06 20:33:08,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:08,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:33:08,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:33:08,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:33:08,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:33:08,650 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) [2021-12-06 20:33:10,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:12,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:14,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:21,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:30,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:32,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:43,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:45,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:04,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:34:04,712 INFO L93 Difference]: Finished difference Result 54771 states and 84209 transitions. [2021-12-06 20:34:04,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:34:04,713 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 [2021-12-06 20:34:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:34:04,835 INFO L225 Difference]: With dead ends: 54771 [2021-12-06 20:34:04,835 INFO L226 Difference]: Without dead ends: 31303 [2021-12-06 20:34:04,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:34:04,916 INFO L933 BasicCegarLoop]: 9020 mSDtfsCounter, 15277 mSDsluCounter, 19604 mSDsCounter, 0 mSdLazyCounter, 13398 mSolverCounterSat, 8743 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16462 SdHoareTripleChecker+Valid, 28624 SdHoareTripleChecker+Invalid, 22146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8743 IncrementalHoareTripleChecker+Valid, 13398 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:34:04,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16462 Valid, 28624 Invalid, 22146 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8743 Valid, 13398 Invalid, 5 Unknown, 0 Unchecked, 54.4s Time] [2021-12-06 20:34:04,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31303 states. [2021-12-06 20:34:06,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31303 to 23496. [2021-12-06 20:34:06,534 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) [2021-12-06 20:34:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23496 states to 23496 states and 35548 transitions. [2021-12-06 20:34:06,641 INFO L78 Accepts]: Start accepts. Automaton has 23496 states and 35548 transitions. Word has length 262 [2021-12-06 20:34:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:34:06,642 INFO L470 AbstractCegarLoop]: Abstraction has 23496 states and 35548 transitions. [2021-12-06 20:34:06,642 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) [2021-12-06 20:34:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 23496 states and 35548 transitions. [2021-12-06 20:34:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-06 20:34:06,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:34:06,650 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] [2021-12-06 20:34:06,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:34:06,650 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:34:06,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:34:06,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1633636696, now seen corresponding path program 1 times [2021-12-06 20:34:06,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:34:06,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134969236] [2021-12-06 20:34:06,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:34:06,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:34:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:34:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:34:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:34:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:34:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:34:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:34:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:34:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:34:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:34:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:34:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:34:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:34:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:34:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:34:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:34:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 20:34:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:34:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:34:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:34:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:34:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:34:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:34:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 20:34:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:34:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-06 20:34:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-06 20:34:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:34:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:34:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 20:34:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:34:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:34:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-12-06 20:34:08,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:34:08,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134969236] [2021-12-06 20:34:08,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134969236] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:34:08,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:34:08,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:34:08,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489969596] [2021-12-06 20:34:08,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:34:08,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:34:08,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:34:08,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:34:08,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:34:08,034 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) [2021-12-06 20:34:10,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:12,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:13,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:15,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:22,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:30,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:32,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:34,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:47,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:49,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:51,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:54,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:56,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:34:58,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:35:38,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:35:40,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:35:42,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:35:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:35:53,081 INFO L93 Difference]: Finished difference Result 48988 states and 75933 transitions. [2021-12-06 20:35:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:35:53,082 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 [2021-12-06 20:35:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:35:53,267 INFO L225 Difference]: With dead ends: 48988 [2021-12-06 20:35:53,267 INFO L226 Difference]: Without dead ends: 48985 [2021-12-06 20:35:53,289 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 [2021-12-06 20:35:53,289 INFO L933 BasicCegarLoop]: 10057 mSDtfsCounter, 15236 mSDsluCounter, 21235 mSDsCounter, 0 mSdLazyCounter, 20068 mSolverCounterSat, 10646 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16616 SdHoareTripleChecker+Valid, 31292 SdHoareTripleChecker+Invalid, 30727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10646 IncrementalHoareTripleChecker+Valid, 20068 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:35:53,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16616 Valid, 31292 Invalid, 30727 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10646 Valid, 20068 Invalid, 13 Unknown, 0 Unchecked, 102.4s Time] [2021-12-06 20:35:53,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48985 states. [2021-12-06 20:35:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48985 to 40931. [2021-12-06 20:35:55,984 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) [2021-12-06 20:35:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40931 states to 40931 states and 62209 transitions. [2021-12-06 20:35:56,189 INFO L78 Accepts]: Start accepts. Automaton has 40931 states and 62209 transitions. Word has length 279 [2021-12-06 20:35:56,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:35:56,190 INFO L470 AbstractCegarLoop]: Abstraction has 40931 states and 62209 transitions. [2021-12-06 20:35:56,190 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) [2021-12-06 20:35:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 40931 states and 62209 transitions. [2021-12-06 20:35:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-12-06 20:35:56,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:35:56,234 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] [2021-12-06 20:35:56,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:35:56,234 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:35:56,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:35:56,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1285804991, now seen corresponding path program 1 times [2021-12-06 20:35:56,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:35:56,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298430158] [2021-12-06 20:35:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:35:56,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:35:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:35:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:35:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:35:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:35:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:35:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:35:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:35:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:35:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:35:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:35:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:35:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 20:35:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:35:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:35:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:35:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 20:35:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:35:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-06 20:35:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-06 20:35:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:35:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:35:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 20:35:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:35:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 20:35:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:35:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-06 20:35:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 20:35:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 20:35:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-06 20:35:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:35:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 20:35:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-06 20:35:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:35:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 20:35:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:35:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:35:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:58,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-06 20:35:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-06 20:35:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-06 20:35:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:35:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:35:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-12-06 20:35:58,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:35:58,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298430158] [2021-12-06 20:35:58,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298430158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:35:58,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:35:58,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 20:35:58,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031055400] [2021-12-06 20:35:58,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:35:58,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 20:35:58,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:35:58,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 20:35:58,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:35:58,056 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) [2021-12-06 20:36:00,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:36:02,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:36:04,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:36:05,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:36:07,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:36:41,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:36:43,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:09,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:11,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:13,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:16,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:19,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:21,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:23,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:26,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:37:48,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:38:21,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:38:21,175 INFO L93 Difference]: Finished difference Result 97352 states and 150559 transitions. [2021-12-06 20:38:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 20:38:21,176 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 [2021-12-06 20:38:21,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:38:21,417 INFO L225 Difference]: With dead ends: 97352 [2021-12-06 20:38:21,417 INFO L226 Difference]: Without dead ends: 56445 [2021-12-06 20:38:21,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2021-12-06 20:38:21,569 INFO L933 BasicCegarLoop]: 9154 mSDtfsCounter, 13936 mSDsluCounter, 64758 mSDsCounter, 0 mSdLazyCounter, 53238 mSolverCounterSat, 7924 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14958 SdHoareTripleChecker+Valid, 73912 SdHoareTripleChecker+Invalid, 61172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 7924 IncrementalHoareTripleChecker+Valid, 53238 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 138.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:38:21,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14958 Valid, 73912 Invalid, 61172 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [7924 Valid, 53238 Invalid, 10 Unknown, 0 Unchecked, 138.5s Time] [2021-12-06 20:38:21,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56445 states. [2021-12-06 20:38:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56445 to 41399. [2021-12-06 20:38:24,791 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) [2021-12-06 20:38:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41399 states to 41399 states and 62957 transitions. [2021-12-06 20:38:25,019 INFO L78 Accepts]: Start accepts. Automaton has 41399 states and 62957 transitions. Word has length 449 [2021-12-06 20:38:25,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:38:25,020 INFO L470 AbstractCegarLoop]: Abstraction has 41399 states and 62957 transitions. [2021-12-06 20:38:25,020 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) [2021-12-06 20:38:25,020 INFO L276 IsEmpty]: Start isEmpty. Operand 41399 states and 62957 transitions. [2021-12-06 20:38:25,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-12-06 20:38:25,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:38:25,055 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, 1] [2021-12-06 20:38:25,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:38:25,055 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:38:25,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:38:25,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1415782891, now seen corresponding path program 1 times [2021-12-06 20:38:25,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:38:25,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025396184] [2021-12-06 20:38:25,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:38:25,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:38:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:38:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:38:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:38:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:38:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:38:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:38:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:38:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:38:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:38:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:38:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:38:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 20:38:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:38:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:38:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:38:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 20:38:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:38:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-06 20:38:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-06 20:38:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:38:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:38:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 20:38:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:38:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 20:38:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:38:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-06 20:38:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 20:38:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 20:38:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-06 20:38:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:38:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:38:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:38:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:38:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 20:38:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-06 20:38:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:38:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 20:38:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:38:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-06 20:38:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:38:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-06 20:38:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-12-06 20:38:26,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:38:26,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025396184] [2021-12-06 20:38:26,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025396184] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:38:26,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040363024] [2021-12-06 20:38:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:38:26,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:38:26,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:38:26,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:38:26,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:38:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:29,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 24197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:38:29,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:38:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-12-06 20:38:30,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:38:30,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040363024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:38:30,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:38:30,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2021-12-06 20:38:30,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625954176] [2021-12-06 20:38:30,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:38:30,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:38:30,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:38:30,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:38:30,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:38:30,310 INFO L87 Difference]: Start difference. First operand 41399 states and 62957 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:38:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:38:32,989 INFO L93 Difference]: Finished difference Result 103147 states and 156977 transitions. [2021-12-06 20:38:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:38:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 464 [2021-12-06 20:38:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:38:33,239 INFO L225 Difference]: With dead ends: 103147 [2021-12-06 20:38:33,239 INFO L226 Difference]: Without dead ends: 61772 [2021-12-06 20:38:33,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:38:33,382 INFO L933 BasicCegarLoop]: 11021 mSDtfsCounter, 8967 mSDsluCounter, 9051 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8967 SdHoareTripleChecker+Valid, 20072 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:38:33,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8967 Valid, 20072 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 20:38:33,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61772 states. [2021-12-06 20:38:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61772 to 61761. [2021-12-06 20:38:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61761 states, 41864 states have (on average 1.364561437034206) internal successors, (57126), 43659 states have internal predecessors, (57126), 17682 states have call successors, (17682), 2024 states have call predecessors, (17682), 2214 states have return successors, (19210), 17433 states have call predecessors, (19210), 17681 states have call successors, (19210) [2021-12-06 20:38:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61761 states to 61761 states and 94018 transitions. [2021-12-06 20:38:37,811 INFO L78 Accepts]: Start accepts. Automaton has 61761 states and 94018 transitions. Word has length 464 [2021-12-06 20:38:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:38:37,812 INFO L470 AbstractCegarLoop]: Abstraction has 61761 states and 94018 transitions. [2021-12-06 20:38:37,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:38:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 61761 states and 94018 transitions. [2021-12-06 20:38:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-06 20:38:37,842 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:38:37,842 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] [2021-12-06 20:38:37,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:38:38,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 20:38:38,045 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:38:38,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:38:38,046 INFO L85 PathProgramCache]: Analyzing trace with hash -509904333, now seen corresponding path program 1 times [2021-12-06 20:38:38,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:38:38,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641961149] [2021-12-06 20:38:38,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:38:38,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:38:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:38:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:38:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:38:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:38:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:38:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:38:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:38:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:38:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:38:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:38:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:38:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 20:38:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:38:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:38:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:38:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 20:38:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:38:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-06 20:38:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-06 20:38:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:38:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:38:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 20:38:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:38:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 20:38:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:38:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-06 20:38:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 20:38:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 20:38:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-06 20:38:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:38:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:38:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:38:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:38:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 20:38:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-06 20:38:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:38:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 20:38:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:38:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:38:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 20:38:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-06 20:38:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 20:38:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:38:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-12-06 20:38:39,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:38:39,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641961149] [2021-12-06 20:38:39,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641961149] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:38:39,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509375829] [2021-12-06 20:38:39,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:38:39,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:38:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:38:39,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:38:39,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:38:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:38:42,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 24196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:38:42,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:38:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2021-12-06 20:38:43,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:38:43,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509375829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:38:43,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:38:43,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2021-12-06 20:38:43,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052024567] [2021-12-06 20:38:43,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:38:43,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:38:43,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:38:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:38:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:38:43,155 INFO L87 Difference]: Start difference. First operand 61761 states and 94018 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) [2021-12-06 20:38:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:38:48,508 INFO L93 Difference]: Finished difference Result 187026 states and 284884 transitions. [2021-12-06 20:38:48,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:38:48,509 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 [2021-12-06 20:38:48,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:38:49,039 INFO L225 Difference]: With dead ends: 187026 [2021-12-06 20:38:49,039 INFO L226 Difference]: Without dead ends: 125289 [2021-12-06 20:38:49,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:38:49,300 INFO L933 BasicCegarLoop]: 11269 mSDtfsCounter, 10033 mSDsluCounter, 20236 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10033 SdHoareTripleChecker+Valid, 31505 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:38:49,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10033 Valid, 31505 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 20:38:49,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125289 states. [2021-12-06 20:38:59,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125289 to 123477. [2021-12-06 20:38:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123477 states, 83695 states have (on average 1.364669335085728) internal successors, (114216), 87297 states have internal predecessors, (114216), 35354 states have call successors, (35354), 4046 states have call predecessors, (35354), 4427 states have return successors, (38411), 34845 states have call predecessors, (38411), 35353 states have call successors, (38411) [2021-12-06 20:39:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123477 states to 123477 states and 187981 transitions. [2021-12-06 20:39:00,177 INFO L78 Accepts]: Start accepts. Automaton has 123477 states and 187981 transitions. Word has length 463 [2021-12-06 20:39:00,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:39:00,178 INFO L470 AbstractCegarLoop]: Abstraction has 123477 states and 187981 transitions. [2021-12-06 20:39:00,178 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-12-06 20:39:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 123477 states and 187981 transitions. [2021-12-06 20:39:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-06 20:39:00,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:39:00,212 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] [2021-12-06 20:39:00,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:39:00,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:39:00,414 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:39:00,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:39:00,415 INFO L85 PathProgramCache]: Analyzing trace with hash -28824075, now seen corresponding path program 1 times [2021-12-06 20:39:00,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:39:00,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617683072] [2021-12-06 20:39:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:39:00,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:39:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:39:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:39:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:39:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:39:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:39:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:39:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:39:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:39:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:39:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:39:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:39:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 20:39:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:39:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:39:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:39:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 20:39:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 20:39:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-06 20:39:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-06 20:39:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:39:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:39:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 20:39:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-06 20:39:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 20:39:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:39:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-06 20:39:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 20:39:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 20:39:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-06 20:39:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 20:39:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:39:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:39:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:39:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-06 20:39:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-06 20:39:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:39:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 20:39:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:39:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 20:39:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-06 20:39:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 20:39:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-12-06 20:39:01,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:39:01,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617683072] [2021-12-06 20:39:01,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617683072] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:39:01,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040110836] [2021-12-06 20:39:01,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:39:01,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:39:01,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:39:01,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:39:01,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:39:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:05,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 24201 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:39:05,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:39:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-12-06 20:39:05,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:39:05,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040110836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:39:05,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:39:05,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 13 [2021-12-06 20:39:05,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957281110] [2021-12-06 20:39:05,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:39:05,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:39:05,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:39:05,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:39:05,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:39:05,735 INFO L87 Difference]: Start difference. First operand 123477 states and 187981 transitions. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 20:39:11,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:39:11,064 INFO L93 Difference]: Finished difference Result 247002 states and 376128 transitions. [2021-12-06 20:39:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:39:11,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 463 [2021-12-06 20:39:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:39:11,766 INFO L225 Difference]: With dead ends: 247002 [2021-12-06 20:39:11,766 INFO L226 Difference]: Without dead ends: 123549 [2021-12-06 20:39:12,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:39:12,370 INFO L933 BasicCegarLoop]: 9189 mSDtfsCounter, 17 mSDsluCounter, 18287 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 27476 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:39:12,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 27476 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:39:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123549 states. [2021-12-06 20:39:21,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123549 to 123549. [2021-12-06 20:39:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123549 states, 83761 states have (on average 1.364668521149461) internal successors, (114306), 87363 states have internal predecessors, (114306), 35354 states have call successors, (35354), 4052 states have call predecessors, (35354), 4433 states have return successors, (38411), 34845 states have call predecessors, (38411), 35353 states have call successors, (38411) [2021-12-06 20:39:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123549 states to 123549 states and 188071 transitions. [2021-12-06 20:39:22,190 INFO L78 Accepts]: Start accepts. Automaton has 123549 states and 188071 transitions. Word has length 463 [2021-12-06 20:39:22,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:39:22,191 INFO L470 AbstractCegarLoop]: Abstraction has 123549 states and 188071 transitions. [2021-12-06 20:39:22,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 2 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 20:39:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 123549 states and 188071 transitions. [2021-12-06 20:39:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-12-06 20:39:22,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:39:22,227 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, 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] [2021-12-06 20:39:22,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:39:22,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:39:22,428 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:39:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:39:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash -992304131, now seen corresponding path program 1 times [2021-12-06 20:39:22,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:39:22,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623110108] [2021-12-06 20:39:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:39:22,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:39:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:39:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 20:39:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 20:39:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:39:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 20:39:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 20:39:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 20:39:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 20:39:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 20:39:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:39:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 20:39:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-06 20:39:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:39:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 20:39:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-06 20:39:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-06 20:39:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 20:39:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:39:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:39:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-06 20:39:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-06 20:39:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-06 20:39:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-06 20:39:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:39:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:39:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-06 20:39:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-06 20:39:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-06 20:39:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:39:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-06 20:39:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:39:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:39:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 20:39:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-06 20:39:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-06 20:39:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 20:39:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 20:39:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:39:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 20:39:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-06 20:39:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-06 20:39:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-06 20:39:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:39:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:24,404 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-12-06 20:39:24,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:39:24,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623110108] [2021-12-06 20:39:24,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623110108] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:39:24,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080928826] [2021-12-06 20:39:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:39:24,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:39:24,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:39:24,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:39:24,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:39:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:39:27,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 24209 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 20:39:27,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:39:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2021-12-06 20:39:28,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:39:28,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080928826] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:39:28,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:39:28,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2021-12-06 20:39:28,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426378545] [2021-12-06 20:39:28,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:39:28,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 20:39:28,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:39:28,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 20:39:28,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-12-06 20:39:28,272 INFO L87 Difference]: Start difference. First operand 123549 states and 188071 transitions. Second operand has 10 states, 10 states have (on average 20.7) internal successors, (207), 8 states have internal predecessors, (207), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 4 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 20:39:34,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:39:34,913 INFO L93 Difference]: Finished difference Result 258525 states and 394664 transitions. [2021-12-06 20:39:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:39:34,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.7) internal successors, (207), 8 states have internal predecessors, (207), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 4 states have call predecessors, (49), 2 states have call successors, (49) Word has length 467 [2021-12-06 20:39:34,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:39:35,504 INFO L225 Difference]: With dead ends: 258525 [2021-12-06 20:39:35,504 INFO L226 Difference]: Without dead ends: 135000 [2021-12-06 20:39:36,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2021-12-06 20:39:36,079 INFO L933 BasicCegarLoop]: 10322 mSDtfsCounter, 3338 mSDsluCounter, 81549 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 91871 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:39:36,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3458 Valid, 91871 Invalid, 789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [656 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 20:39:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135000 states. [2021-12-06 20:39:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135000 to 123567. [2021-12-06 20:39:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123567 states, 83773 states have (on average 1.3646162844830674) internal successors, (114318), 87375 states have internal predecessors, (114318), 35354 states have call successors, (35354), 4052 states have call predecessors, (35354), 4439 states have return successors, (38435), 34851 states have call predecessors, (38435), 35353 states have call successors, (38435) [2021-12-06 20:39:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123567 states to 123567 states and 188107 transitions. [2021-12-06 20:39:48,902 INFO L78 Accepts]: Start accepts. Automaton has 123567 states and 188107 transitions. Word has length 467 [2021-12-06 20:39:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:39:48,903 INFO L470 AbstractCegarLoop]: Abstraction has 123567 states and 188107 transitions. [2021-12-06 20:39:48,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.7) internal successors, (207), 8 states have internal predecessors, (207), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 4 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 20:39:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 123567 states and 188107 transitions. [2021-12-06 20:39:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2021-12-06 20:39:49,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:39:49,004 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:39:49,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:39:49,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9100e687-bf08-4f5c-a6a1-7545bbd65b3f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:39:49,205 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:39:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:39:49,206 INFO L85 PathProgramCache]: Analyzing trace with hash -238635982, now seen corresponding path program 1 times [2021-12-06 20:39:49,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:39:49,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604622272] [2021-12-06 20:39:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:39:49,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:39:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat