./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/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_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/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_d9e17a35-e01c-4883-8316-7f458632b8d8/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 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:12:49,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:12:49,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:12:49,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:12:49,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:12:49,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:12:49,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:12:49,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:12:49,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:12:49,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:12:49,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:12:49,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:12:49,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:12:49,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:12:49,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:12:49,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:12:49,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:12:49,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:12:49,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:12:49,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:12:49,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:12:49,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:12:49,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:12:49,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:12:49,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:12:49,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:12:49,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:12:49,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:12:49,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:12:49,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:12:49,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:12:49,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:12:49,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:12:49,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:12:49,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:12:49,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:12:49,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:12:49,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:12:49,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:12:49,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:12:49,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:12:49,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:12:49,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:12:49,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:12:49,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:12:49,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:12:49,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:12:49,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:12:49,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:12:49,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:12:49,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:12:49,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:12:49,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:12:49,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:12:49,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:12:49,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:12:49,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:12:49,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:12:49,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:12:49,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:12:49,769 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_d9e17a35-e01c-4883-8316-7f458632b8d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 [2021-12-06 22:12:49,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:12:49,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:12:49,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:12:49,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:12:49,965 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:12:49,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-12-06 22:12:50,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/data/aecabfd7a/c11773ef8bd4485b8fe38dcb32342a27/FLAG754c7892a [2021-12-06 22:12:50,754 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:12:50,755 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-12-06 22:12:50,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/data/aecabfd7a/c11773ef8bd4485b8fe38dcb32342a27/FLAG754c7892a [2021-12-06 22:12:51,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/data/aecabfd7a/c11773ef8bd4485b8fe38dcb32342a27 [2021-12-06 22:12:51,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:12:51,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:12:51,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:12:51,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:12:51,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:12:51,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:12:51" (1/1) ... [2021-12-06 22:12:51,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f45c8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:51, skipping insertion in model container [2021-12-06 22:12:51,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:12:51" (1/1) ... [2021-12-06 22:12:51,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:12:51,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:12:58,088 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_d9e17a35-e01c-4883-8316-7f458632b8d8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-12-06 22:12:58,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:12:58,297 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:12:59,033 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_d9e17a35-e01c-4883-8316-7f458632b8d8/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-12-06 22:12:59,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:12:59,250 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:12:59,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59 WrapperNode [2021-12-06 22:12:59,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:12:59,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:12:59,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:12:59,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:12:59,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,630 INFO L137 Inliner]: procedures = 784, calls = 11130, calls flagged for inlining = 319, calls inlined = 156, statements flattened = 14259 [2021-12-06 22:12:59,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:12:59,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:12:59,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:12:59,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:12:59,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:12:59,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:13:00,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:13:00,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:13:00,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:13:00,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:13:00,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (1/1) ... [2021-12-06 22:13:00,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:13:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:13:00,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:13:00,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:13:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-12-06 22:13:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-12-06 22:13:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-12-06 22:13:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-12-06 22:13:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-12-06 22:13:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-12-06 22:13:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-12-06 22:13:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-12-06 22:13:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-12-06 22:13:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-12-06 22:13:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-06 22:13:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-06 22:13:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-12-06 22:13:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-12-06 22:13:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 22:13:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 22:13:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-12-06 22:13:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-12-06 22:13:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-12-06 22:13:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-12-06 22:13:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-12-06 22:13:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-12-06 22:13:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-12-06 22:13:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-12-06 22:13:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-12-06 22:13:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-12-06 22:13:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-12-06 22:13:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-12-06 22:13:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-12-06 22:13:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-12-06 22:13:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:13:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:13:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 22:13:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 22:13:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-12-06 22:13:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-12-06 22:13:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-12-06 22:13:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-12-06 22:13:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-12-06 22:13:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-12-06 22:13:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-12-06 22:13:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-12-06 22:13:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:13:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:13:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-12-06 22:13:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-12-06 22:13:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-12-06 22:13:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-12-06 22:13:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-12-06 22:13:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-12-06 22:13:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-12-06 22:13:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-12-06 22:13:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-12-06 22:13:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-12-06 22:13:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 22:13:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 22:13:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-12-06 22:13:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-12-06 22:13:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-12-06 22:13:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-12-06 22:13:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-06 22:13:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-06 22:13:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:13:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-12-06 22:13:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-12-06 22:13:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-12-06 22:13:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-12-06 22:13:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-06 22:13:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-06 22:13:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-12-06 22:13:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-12-06 22:13:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-12-06 22:13:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-12-06 22:13:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-12-06 22:13:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-12-06 22:13:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-12-06 22:13:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-12-06 22:13:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-12-06 22:13:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-12-06 22:13:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 22:13:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 22:13:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 22:13:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 22:13:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 22:13:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 22:13:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-12-06 22:13:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-12-06 22:13:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-06 22:13:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-06 22:13:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-12-06 22:13:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-12-06 22:13:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-12-06 22:13:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-12-06 22:13:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-12-06 22:13:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-12-06 22:13:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-06 22:13:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-06 22:13:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-12-06 22:13:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-12-06 22:13:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:13:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-12-06 22:13:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-12-06 22:13:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-12-06 22:13:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-12-06 22:13:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 22:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 22:13:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:13:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 22:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 22:13:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-12-06 22:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-12-06 22:13:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:13:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:13:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-06 22:13:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-06 22:13:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-12-06 22:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-12-06 22:13:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-12-06 22:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-12-06 22:13:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-12-06 22:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-12-06 22:13:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-12-06 22:13:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-12-06 22:13:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-12-06 22:13:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-12-06 22:13:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-12-06 22:13:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-12-06 22:13:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-12-06 22:13:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 22:13:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:13:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:13:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-12-06 22:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-12-06 22:13:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-12-06 22:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-12-06 22:13:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-12-06 22:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-12-06 22:13:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:13:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-12-06 22:13:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-12-06 22:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 22:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 22:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-12-06 22:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-12-06 22:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-12-06 22:13:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-12-06 22:13:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:13:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-12-06 22:13:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-12-06 22:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-12-06 22:13:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-12-06 22:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-12-06 22:13:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-12-06 22:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-12-06 22:13:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-12-06 22:13:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-06 22:13:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 22:13:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 22:13:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 22:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-12-06 22:13:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-12-06 22:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-12-06 22:13:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-12-06 22:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-12-06 22:13:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-12-06 22:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-12-06 22:13:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-12-06 22:13:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:13:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-12-06 22:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-12-06 22:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-12-06 22:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-12-06 22:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-12-06 22:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-12-06 22:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 22:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 22:13:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 22:13:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 22:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-12-06 22:13:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-12-06 22:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-12-06 22:13:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-12-06 22:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-12-06 22:13:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-12-06 22:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-12-06 22:13:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-12-06 22:13:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 22:13:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 22:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-12-06 22:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-12-06 22:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-12-06 22:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-12-06 22:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-12-06 22:13:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-12-06 22:13:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-12-06 22:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-12-06 22:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-06 22:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-06 22:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-12-06 22:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-12-06 22:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-12-06 22:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-12-06 22:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 22:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 22:13:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-12-06 22:13:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-12-06 22:13:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-12-06 22:13:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-12-06 22:13:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-12-06 22:13:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-12-06 22:13:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-12-06 22:13:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:13:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:13:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-12-06 22:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-12-06 22:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-12-06 22:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 22:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-12-06 22:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-12-06 22:13:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-12-06 22:13:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-12-06 22:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-12-06 22:13:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-12-06 22:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 22:13:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 22:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-12-06 22:13:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-12-06 22:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-12-06 22:13:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-12-06 22:13:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-12-06 22:13:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-12-06 22:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:13:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 22:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-12-06 22:13:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-12-06 22:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-12-06 22:13:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-12-06 22:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-12-06 22:13:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-12-06 22:13:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-12-06 22:13:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-12-06 22:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-12-06 22:13:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-12-06 22:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:13:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-12-06 22:13:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-12-06 22:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-06 22:13:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-06 22:13:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-12-06 22:13:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-12-06 22:13:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 22:13:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 22:13:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 22:13:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 22:13:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-06 22:13:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-06 22:13:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-12-06 22:13:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-12-06 22:13:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-12-06 22:13:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-12-06 22:13:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-12-06 22:13:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-12-06 22:13:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:13:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-12-06 22:13:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-12-06 22:13:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-12-06 22:13:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-12-06 22:13:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-12-06 22:13:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-12-06 22:13:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-12-06 22:13:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-12-06 22:13:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-12-06 22:13:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-12-06 22:13:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-12-06 22:13:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-12-06 22:13:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-12-06 22:13:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-12-06 22:13:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-12-06 22:13:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-12-06 22:13:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 22:13:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 22:13:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-12-06 22:13:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-12-06 22:13:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-12-06 22:13:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-12-06 22:13:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-12-06 22:13:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-12-06 22:13:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-12-06 22:13:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-12-06 22:13:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-12-06 22:13:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-12-06 22:13:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-12-06 22:13:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-12-06 22:13:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 22:13:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 22:13:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-12-06 22:13:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-12-06 22:13:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 22:13:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 22:13:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:13:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 22:13:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 22:13:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-12-06 22:13:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-12-06 22:13:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-12-06 22:13:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-12-06 22:13:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 22:13:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 22:13:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-06 22:13:00,997 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:13:01,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:13:20,232 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:13:20,266 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:13:20,266 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:13:20,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:13:20 BoogieIcfgContainer [2021-12-06 22:13:20,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:13:20,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:13:20,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:13:20,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:13:20,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:12:51" (1/3) ... [2021-12-06 22:13:20,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79969cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:13:20, skipping insertion in model container [2021-12-06 22:13:20,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:12:59" (2/3) ... [2021-12-06 22:13:20,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79969cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:13:20, skipping insertion in model container [2021-12-06 22:13:20,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:13:20" (3/3) ... [2021-12-06 22:13:20,278 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-12-06 22:13:20,282 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:13:20,282 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:13:20,342 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:13:20,348 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 22:13:20,348 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:13:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 5409 states, 3850 states have (on average 1.4018181818181819) internal successors, (5397), 3993 states have internal predecessors, (5397), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-12-06 22:13:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 22:13:20,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:13:20,447 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:13:20,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:13:20,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:13:20,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1239585877, now seen corresponding path program 1 times [2021-12-06 22:13:20,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:13:20,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247632545] [2021-12-06 22:13:20,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:13:20,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:13:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:13:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:13:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:13:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:13:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:13:21,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:13:21,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247632545] [2021-12-06 22:13:21,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247632545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:13:21,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:13:21,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:13:21,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293296302] [2021-12-06 22:13:21,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:13:21,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:13:21,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:13:21,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:13:21,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:13:21,266 INFO L87 Difference]: Start difference. First operand has 5409 states, 3850 states have (on average 1.4018181818181819) internal successors, (5397), 3993 states have internal predecessors, (5397), 1300 states have call successors, (1300), 258 states have call predecessors, (1300), 258 states have return successors, (1300), 1249 states have call predecessors, (1300), 1300 states have call successors, (1300) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:13:29,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:40,243 WARN L534 Checker$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 22:13:43,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:46,214 WARN L534 Checker$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 22:13:48,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:50,553 WARN L534 Checker$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 22:13:53,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:13:55,821 WARN L534 Checker$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 22:13:58,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:02,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:08,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:17,865 WARN L534 Checker$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 22:14:21,950 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 22:14:24,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:14:24,388 INFO L93 Difference]: Finished difference Result 18626 states and 28932 transitions. [2021-12-06 22:14:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:14:24,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2021-12-06 22:14:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:14:24,485 INFO L225 Difference]: With dead ends: 18626 [2021-12-06 22:14:24,485 INFO L226 Difference]: Without dead ends: 13200 [2021-12-06 22:14:24,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:14:24,550 INFO L933 BasicCegarLoop]: 7623 mSDtfsCounter, 20694 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 16507 mSolverCounterSat, 11279 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21701 SdHoareTripleChecker+Valid, 11045 SdHoareTripleChecker+Invalid, 27797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11279 IncrementalHoareTripleChecker+Valid, 16507 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:14:24,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21701 Valid, 11045 Invalid, 27797 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11279 Valid, 16507 Invalid, 11 Unknown, 0 Unchecked, 61.8s Time] [2021-12-06 22:14:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13200 states. [2021-12-06 22:14:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13200 to 10011. [2021-12-06 22:14:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10011 states, 7096 states have (on average 1.3933201803833146) internal successors, (9887), 7355 states have internal predecessors, (9887), 2418 states have call successors, (2418), 498 states have call predecessors, (2418), 496 states have return successors, (2456), 2313 states have call predecessors, (2456), 2408 states have call successors, (2456) [2021-12-06 22:14:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10011 states to 10011 states and 14761 transitions. [2021-12-06 22:14:25,193 INFO L78 Accepts]: Start accepts. Automaton has 10011 states and 14761 transitions. Word has length 24 [2021-12-06 22:14:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:14:25,194 INFO L470 AbstractCegarLoop]: Abstraction has 10011 states and 14761 transitions. [2021-12-06 22:14:25,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:14:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 10011 states and 14761 transitions. [2021-12-06 22:14:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 22:14:25,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:14:25,195 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:14:25,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:14:25,196 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:14:25,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:14:25,196 INFO L85 PathProgramCache]: Analyzing trace with hash 225308175, now seen corresponding path program 1 times [2021-12-06 22:14:25,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:14:25,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413326109] [2021-12-06 22:14:25,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:14:25,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:14:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:14:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:14:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:14:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:14:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:14:25,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:14:25,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413326109] [2021-12-06 22:14:25,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413326109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:14:25,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:14:25,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:14:25,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450266801] [2021-12-06 22:14:25,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:14:25,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:14:25,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:14:25,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:14:25,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:14:25,658 INFO L87 Difference]: Start difference. First operand 10011 states and 14761 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:14:41,258 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 22:14:42,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:14:58,925 WARN L534 Checker$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 22:15:01,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:05,105 WARN L534 Checker$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 22:15:07,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:09,655 WARN L534 Checker$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 22:15:14,272 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 22:15:18,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:15:18,612 INFO L93 Difference]: Finished difference Result 34564 states and 53961 transitions. [2021-12-06 22:15:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:15:18,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-12-06 22:15:18,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:15:18,754 INFO L225 Difference]: With dead ends: 34564 [2021-12-06 22:15:18,754 INFO L226 Difference]: Without dead ends: 24563 [2021-12-06 22:15:18,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:15:18,807 INFO L933 BasicCegarLoop]: 8171 mSDtfsCounter, 19882 mSDsluCounter, 4497 mSDsCounter, 0 mSdLazyCounter, 17085 mSolverCounterSat, 11041 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20712 SdHoareTripleChecker+Valid, 12668 SdHoareTripleChecker+Invalid, 28132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11041 IncrementalHoareTripleChecker+Valid, 17085 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:15:18,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20712 Valid, 12668 Invalid, 28132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11041 Valid, 17085 Invalid, 6 Unknown, 0 Unchecked, 51.6s Time] [2021-12-06 22:15:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24563 states. [2021-12-06 22:15:19,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24563 to 22013. [2021-12-06 22:15:19,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15667 states have (on average 1.3900555307333886) internal successors, (21778), 16336 states have internal predecessors, (21778), 5188 states have call successors, (5188), 977 states have call predecessors, (5188), 1157 states have return successors, (6691), 5077 states have call predecessors, (6691), 5171 states have call successors, (6691) [2021-12-06 22:15:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 33657 transitions. [2021-12-06 22:15:19,855 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 33657 transitions. Word has length 25 [2021-12-06 22:15:19,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:15:19,855 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 33657 transitions. [2021-12-06 22:15:19,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:15:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 33657 transitions. [2021-12-06 22:15:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 22:15:19,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:15:19,857 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:15:19,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:15:19,857 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:15:19,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:15:19,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1607611602, now seen corresponding path program 1 times [2021-12-06 22:15:19,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:15:19,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070629938] [2021-12-06 22:15:19,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:15:19,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:15:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:15:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:15:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:15:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:15:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:15:20,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:15:20,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070629938] [2021-12-06 22:15:20,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070629938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:15:20,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:15:20,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:15:20,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152775590] [2021-12-06 22:15:20,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:15:20,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:15:20,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:15:20,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:15:20,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:15:20,289 INFO L87 Difference]: Start difference. First operand 22013 states and 33657 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:15:24,113 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 22:15:41,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:45,385 WARN L534 Checker$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 22:15:48,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:50,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:53,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:15:55,231 WARN L534 Checker$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 22:15:57,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:00,153 WARN L534 Checker$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 22:16:03,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:09,422 WARN L534 Checker$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 22:16:11,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:24,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:24,069 INFO L93 Difference]: Finished difference Result 36330 states and 56591 transitions. [2021-12-06 22:16:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:16:24,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2021-12-06 22:16:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:24,207 INFO L225 Difference]: With dead ends: 36330 [2021-12-06 22:16:24,208 INFO L226 Difference]: Without dead ends: 36327 [2021-12-06 22:16:24,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:16:24,228 INFO L933 BasicCegarLoop]: 7455 mSDtfsCounter, 20603 mSDsluCounter, 3375 mSDsCounter, 0 mSdLazyCounter, 16325 mSolverCounterSat, 11217 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21585 SdHoareTripleChecker+Valid, 10830 SdHoareTripleChecker+Invalid, 27553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11217 IncrementalHoareTripleChecker+Valid, 16325 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:24,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21585 Valid, 10830 Invalid, 27553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11217 Valid, 16325 Invalid, 11 Unknown, 0 Unchecked, 62.3s Time] [2021-12-06 22:16:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36327 states. [2021-12-06 22:16:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36327 to 32095. [2021-12-06 22:16:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32095 states, 22826 states have (on average 1.3883290983965653) internal successors, (31690), 23809 states have internal predecessors, (31690), 7560 states have call successors, (7560), 1440 states have call predecessors, (7560), 1708 states have return successors, (9877), 7407 states have call predecessors, (9877), 7544 states have call successors, (9877) [2021-12-06 22:16:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32095 states to 32095 states and 49127 transitions. [2021-12-06 22:16:25,637 INFO L78 Accepts]: Start accepts. Automaton has 32095 states and 49127 transitions. Word has length 26 [2021-12-06 22:16:25,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:25,637 INFO L470 AbstractCegarLoop]: Abstraction has 32095 states and 49127 transitions. [2021-12-06 22:16:25,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:16:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 32095 states and 49127 transitions. [2021-12-06 22:16:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 22:16:25,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:25,638 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:25,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:16:25,639 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:25,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1701422322, now seen corresponding path program 1 times [2021-12-06 22:16:25,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:25,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497285716] [2021-12-06 22:16:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:25,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:16:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:16:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:16:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:16:26,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:26,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497285716] [2021-12-06 22:16:26,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497285716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:26,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:26,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:16:26,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403658064] [2021-12-06 22:16:26,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:26,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:16:26,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:26,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:16:26,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:16:26,072 INFO L87 Difference]: Start difference. First operand 32095 states and 49127 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:16:28,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:29,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:16:44,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:03,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:11,464 WARN L534 Checker$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 22:17:15,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:17,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:19,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:24,572 WARN L534 Checker$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 22:17:28,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:30,359 WARN L534 Checker$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 22:17:32,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:35,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:17:37,129 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 22:17:44,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:17:44,384 INFO L93 Difference]: Finished difference Result 99699 states and 163011 transitions. [2021-12-06 22:17:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:17:44,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2021-12-06 22:17:44,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:17:44,688 INFO L225 Difference]: With dead ends: 99699 [2021-12-06 22:17:44,688 INFO L226 Difference]: Without dead ends: 67609 [2021-12-06 22:17:44,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:17:44,942 INFO L933 BasicCegarLoop]: 12836 mSDtfsCounter, 16544 mSDsluCounter, 5236 mSDsCounter, 0 mSdLazyCounter, 21284 mSolverCounterSat, 9249 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17559 SdHoareTripleChecker+Valid, 18072 SdHoareTripleChecker+Invalid, 30540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9249 IncrementalHoareTripleChecker+Valid, 21284 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:17:44,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17559 Valid, 18072 Invalid, 30540 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9249 Valid, 21284 Invalid, 7 Unknown, 0 Unchecked, 75.3s Time] [2021-12-06 22:17:44,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67609 states. [2021-12-06 22:17:47,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67609 to 59797. [2021-12-06 22:17:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59797 states, 42483 states have (on average 1.389143892851258) internal successors, (59015), 44376 states have internal predecessors, (59015), 14102 states have call successors, (14102), 2795 states have call predecessors, (14102), 3211 states have return successors, (21224), 13666 states have call predecessors, (21224), 14085 states have call successors, (21224) [2021-12-06 22:17:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59797 states to 59797 states and 94341 transitions. [2021-12-06 22:17:47,731 INFO L78 Accepts]: Start accepts. Automaton has 59797 states and 94341 transitions. Word has length 27 [2021-12-06 22:17:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:17:47,731 INFO L470 AbstractCegarLoop]: Abstraction has 59797 states and 94341 transitions. [2021-12-06 22:17:47,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:17:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 59797 states and 94341 transitions. [2021-12-06 22:17:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-06 22:17:47,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:17:47,736 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:17:47,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:17:47,736 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:17:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2146632156, now seen corresponding path program 1 times [2021-12-06 22:17:47,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:47,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644013738] [2021-12-06 22:17:47,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:47,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:17:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:17:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:17:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:17:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 22:17:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:17:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:17:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:17:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:17:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:17:48,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:48,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644013738] [2021-12-06 22:17:48,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644013738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:48,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:48,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:17:48,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380453912] [2021-12-06 22:17:48,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:48,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:17:48,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:17:48,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:17:48,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:17:48,238 INFO L87 Difference]: Start difference. First operand 59797 states and 94341 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 22:17:50,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:04,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:06,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:17,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:19,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:25,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:28,851 WARN L534 Checker$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 22:18:30,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:32,718 WARN L534 Checker$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 22:18:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:18:37,136 INFO L93 Difference]: Finished difference Result 127293 states and 202834 transitions. [2021-12-06 22:18:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:18:37,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2021-12-06 22:18:37,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:18:37,438 INFO L225 Difference]: With dead ends: 127293 [2021-12-06 22:18:37,438 INFO L226 Difference]: Without dead ends: 67506 [2021-12-06 22:18:37,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:18:37,697 INFO L933 BasicCegarLoop]: 7521 mSDtfsCounter, 7050 mSDsluCounter, 5017 mSDsCounter, 0 mSdLazyCounter, 12949 mSolverCounterSat, 4369 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7644 SdHoareTripleChecker+Valid, 12538 SdHoareTripleChecker+Invalid, 17322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4369 IncrementalHoareTripleChecker+Valid, 12949 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:18:37,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7644 Valid, 12538 Invalid, 17322 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4369 Valid, 12949 Invalid, 4 Unknown, 0 Unchecked, 45.9s Time] [2021-12-06 22:18:37,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67506 states. [2021-12-06 22:18:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67506 to 59801. [2021-12-06 22:18:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59801 states, 42487 states have (on average 1.3891072563372326) internal successors, (59019), 44380 states have internal predecessors, (59019), 14102 states have call successors, (14102), 2795 states have call predecessors, (14102), 3211 states have return successors, (21224), 13666 states have call predecessors, (21224), 14085 states have call successors, (21224) [2021-12-06 22:18:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59801 states to 59801 states and 94345 transitions. [2021-12-06 22:18:40,541 INFO L78 Accepts]: Start accepts. Automaton has 59801 states and 94345 transitions. Word has length 81 [2021-12-06 22:18:40,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:18:40,541 INFO L470 AbstractCegarLoop]: Abstraction has 59801 states and 94345 transitions. [2021-12-06 22:18:40,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 22:18:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 59801 states and 94345 transitions. [2021-12-06 22:18:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-06 22:18:40,544 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:18:40,544 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:18:40,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:18:40,545 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:18:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:18:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1880885569, now seen corresponding path program 1 times [2021-12-06 22:18:40,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:18:40,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673747884] [2021-12-06 22:18:40,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:18:40,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:18:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:18:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:18:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:18:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:18:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:18:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:18:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:18:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:18:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:18:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:18:41,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:18:41,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:18:41,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673747884] [2021-12-06 22:18:41,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673747884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:18:41,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:18:41,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:18:41,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86884474] [2021-12-06 22:18:41,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:18:41,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:18:41,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:18:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:18:41,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:18:41,008 INFO L87 Difference]: Start difference. First operand 59801 states and 94345 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 22:18:45,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:18:54,991 WARN L534 Checker$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 22:19:13,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:17,421 WARN L534 Checker$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 22:19:19,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:25,721 WARN L534 Checker$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 22:19:29,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:19:34,158 INFO L93 Difference]: Finished difference Result 127301 states and 202838 transitions. [2021-12-06 22:19:34,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:19:34,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2021-12-06 22:19:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:19:34,448 INFO L225 Difference]: With dead ends: 127301 [2021-12-06 22:19:34,448 INFO L226 Difference]: Without dead ends: 67510 [2021-12-06 22:19:34,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:19:34,835 INFO L933 BasicCegarLoop]: 7512 mSDtfsCounter, 7009 mSDsluCounter, 5041 mSDsCounter, 0 mSdLazyCounter, 12864 mSolverCounterSat, 4349 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7591 SdHoareTripleChecker+Valid, 12553 SdHoareTripleChecker+Invalid, 17220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4349 IncrementalHoareTripleChecker+Valid, 12864 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:19:34,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7591 Valid, 12553 Invalid, 17220 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4349 Valid, 12864 Invalid, 7 Unknown, 0 Unchecked, 49.9s Time] [2021-12-06 22:19:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67510 states. [2021-12-06 22:19:37,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67510 to 59805. [2021-12-06 22:19:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59805 states, 42491 states have (on average 1.3890706267209527) internal successors, (59023), 44384 states have internal predecessors, (59023), 14102 states have call successors, (14102), 2795 states have call predecessors, (14102), 3211 states have return successors, (21224), 13666 states have call predecessors, (21224), 14085 states have call successors, (21224) [2021-12-06 22:19:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59805 states to 59805 states and 94349 transitions. [2021-12-06 22:19:37,560 INFO L78 Accepts]: Start accepts. Automaton has 59805 states and 94349 transitions. Word has length 78 [2021-12-06 22:19:37,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:19:37,561 INFO L470 AbstractCegarLoop]: Abstraction has 59805 states and 94349 transitions. [2021-12-06 22:19:37,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 22:19:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 59805 states and 94349 transitions. [2021-12-06 22:19:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-06 22:19:37,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:19:37,562 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:19:37,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:19:37,563 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:19:37,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:19:37,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2030545440, now seen corresponding path program 1 times [2021-12-06 22:19:37,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:19:37,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963012648] [2021-12-06 22:19:37,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:19:37,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:19:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:19:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:19:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:19:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:19:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 22:19:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:19:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:19:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:19:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 22:19:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:19:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:19:38,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:19:38,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963012648] [2021-12-06 22:19:38,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963012648] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:19:38,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:19:38,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:19:38,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006735878] [2021-12-06 22:19:38,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:19:38,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:19:38,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:19:38,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:19:38,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:19:38,038 INFO L87 Difference]: Start difference. First operand 59805 states and 94349 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 22:19:41,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:42,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:44,643 WARN L534 Checker$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 22:19:46,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:19:57,656 WARN L534 Checker$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 22:20:04,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:07,022 WARN L534 Checker$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 22:20:09,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:24,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:26,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:20:37,029 WARN L534 Checker$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 22:20:41,442 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 22:20:46,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:20:46,769 INFO L93 Difference]: Finished difference Result 127325 states and 202870 transitions. [2021-12-06 22:20:46,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:20:46,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2021-12-06 22:20:46,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:20:47,045 INFO L225 Difference]: With dead ends: 127325 [2021-12-06 22:20:47,045 INFO L226 Difference]: Without dead ends: 67530 [2021-12-06 22:20:47,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:20:47,314 INFO L933 BasicCegarLoop]: 7571 mSDtfsCounter, 6987 mSDsluCounter, 8521 mSDsCounter, 0 mSdLazyCounter, 18237 mSolverCounterSat, 4325 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7568 SdHoareTripleChecker+Valid, 16092 SdHoareTripleChecker+Invalid, 22570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4325 IncrementalHoareTripleChecker+Valid, 18237 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:20:47,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7568 Valid, 16092 Invalid, 22570 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4325 Valid, 18237 Invalid, 8 Unknown, 0 Unchecked, 65.2s Time] [2021-12-06 22:20:47,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67530 states. [2021-12-06 22:20:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67530 to 59819. [2021-12-06 22:20:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59819 states, 42503 states have (on average 1.3889607792391125) internal successors, (59035), 44398 states have internal predecessors, (59035), 14102 states have call successors, (14102), 2795 states have call predecessors, (14102), 3213 states have return successors, (21228), 13666 states have call predecessors, (21228), 14085 states have call successors, (21228) [2021-12-06 22:20:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59819 states to 59819 states and 94365 transitions. [2021-12-06 22:20:50,066 INFO L78 Accepts]: Start accepts. Automaton has 59819 states and 94365 transitions. Word has length 81 [2021-12-06 22:20:50,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:20:50,066 INFO L470 AbstractCegarLoop]: Abstraction has 59819 states and 94365 transitions. [2021-12-06 22:20:50,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 22:20:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 59819 states and 94365 transitions. [2021-12-06 22:20:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-06 22:20:50,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:20:50,068 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:20:50,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:20:50,068 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:20:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:20:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1037164100, now seen corresponding path program 1 times [2021-12-06 22:20:50,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:20:50,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065202761] [2021-12-06 22:20:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:20:50,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:20:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:20:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:20:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:20:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:20:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:20:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:20:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:20:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:20:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 22:20:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:20:50,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:20:50,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065202761] [2021-12-06 22:20:50,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065202761] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:20:50,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222090630] [2021-12-06 22:20:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:20:50,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:20:50,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:20:50,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:20:50,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:20:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:52,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 10509 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:20:52,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:20:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:20:52,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:20:52,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222090630] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:20:52,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:20:52,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2021-12-06 22:20:52,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040824864] [2021-12-06 22:20:52,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:20:52,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:20:52,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:20:52,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:20:52,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:20:52,408 INFO L87 Difference]: Start difference. First operand 59819 states and 94365 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 22:20:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:20:54,657 INFO L93 Difference]: Finished difference Result 119636 states and 188754 transitions. [2021-12-06 22:20:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:20:54,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 80 [2021-12-06 22:20:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:20:54,874 INFO L225 Difference]: With dead ends: 119636 [2021-12-06 22:20:54,875 INFO L226 Difference]: Without dead ends: 59827 [2021-12-06 22:20:55,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:20:55,091 INFO L933 BasicCegarLoop]: 7957 mSDtfsCounter, 10 mSDsluCounter, 23867 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31824 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:20:55,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 31824 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:20:55,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59827 states. [2021-12-06 22:20:57,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59827 to 59819. [2021-12-06 22:20:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59819 states, 42503 states have (on average 1.388913723737148) internal successors, (59033), 44398 states have internal predecessors, (59033), 14102 states have call successors, (14102), 2795 states have call predecessors, (14102), 3213 states have return successors, (21228), 13666 states have call predecessors, (21228), 14085 states have call successors, (21228) [2021-12-06 22:20:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59819 states to 59819 states and 94363 transitions. [2021-12-06 22:20:57,654 INFO L78 Accepts]: Start accepts. Automaton has 59819 states and 94363 transitions. Word has length 80 [2021-12-06 22:20:57,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:20:57,654 INFO L470 AbstractCegarLoop]: Abstraction has 59819 states and 94363 transitions. [2021-12-06 22:20:57,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 22:20:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 59819 states and 94363 transitions. [2021-12-06 22:20:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-06 22:20:57,656 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:20:57,656 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:20:57,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:20:57,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9e17a35-e01c-4883-8316-7f458632b8d8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:20:57,858 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:20:57,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:20:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash 450358086, now seen corresponding path program 1 times [2021-12-06 22:20:57,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:20:57,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627306132] [2021-12-06 22:20:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:20:57,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:20:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:20:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:20:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:20:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:20:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:20:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:20:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:20:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:20:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 22:20:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:20:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:20:58,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:20:58,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627306132] [2021-12-06 22:20:58,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627306132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:20:58,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:20:58,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:20:58,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777241825] [2021-12-06 22:20:58,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:20:58,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:20:58,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:20:58,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:20:58,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:20:58,282 INFO L87 Difference]: Start difference. First operand 59819 states and 94363 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 22:21:02,525 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 22:21:15,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:24,308 WARN L534 Checker$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 22:21:44,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:48,646 WARN L534 Checker$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 22:21:53,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:55,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:21:57,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:04,418 WARN L534 Checker$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 22:22:08,599 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 22:22:15,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:15,774 INFO L93 Difference]: Finished difference Result 149545 states and 244790 transitions. [2021-12-06 22:22:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:22:15,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 80 [2021-12-06 22:22:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:22:16,097 INFO L225 Difference]: With dead ends: 149545 [2021-12-06 22:22:16,097 INFO L226 Difference]: Without dead ends: 89736 [2021-12-06 22:22:16,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:22:16,427 INFO L933 BasicCegarLoop]: 8597 mSDtfsCounter, 17014 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 16630 mSolverCounterSat, 9371 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17760 SdHoareTripleChecker+Valid, 12232 SdHoareTripleChecker+Invalid, 26011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9371 IncrementalHoareTripleChecker+Valid, 16630 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:22:16,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17760 Valid, 12232 Invalid, 26011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9371 Valid, 16630 Invalid, 10 Unknown, 0 Unchecked, 73.0s Time] [2021-12-06 22:22:16,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89736 states. [2021-12-06 22:22:19,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89736 to 78341. [2021-12-06 22:22:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78341 states, 55657 states have (on average 1.3874445262949853) internal successors, (77221), 58237 states have internal predecessors, (77221), 18381 states have call successors, (18381), 3963 states have call predecessors, (18381), 4302 states have return successors, (25580), 17559 states have call predecessors, (25580), 18161 states have call successors, (25580) [2021-12-06 22:22:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78341 states to 78341 states and 121182 transitions. [2021-12-06 22:22:20,232 INFO L78 Accepts]: Start accepts. Automaton has 78341 states and 121182 transitions. Word has length 80 [2021-12-06 22:22:20,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:22:20,232 INFO L470 AbstractCegarLoop]: Abstraction has 78341 states and 121182 transitions. [2021-12-06 22:22:20,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 22:22:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 78341 states and 121182 transitions. [2021-12-06 22:22:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-06 22:22:20,234 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:22:20,234 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:22:20,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:22:20,234 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:22:20,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash 46593836, now seen corresponding path program 1 times [2021-12-06 22:22:20,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:20,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957747147] [2021-12-06 22:22:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:20,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:22:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:22:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:22:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:22:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:22:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:22:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:22:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:22:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 22:22:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:22:20,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:20,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957747147] [2021-12-06 22:22:20,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957747147] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:22:20,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:22:20,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:22:20,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37615281] [2021-12-06 22:22:20,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:22:20,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:22:20,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:20,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:22:20,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:22:20,778 INFO L87 Difference]: Start difference. First operand 78341 states and 121182 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-06 22:22:23,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:25,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:48,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:50,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:22:53,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:20,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:24,655 WARN L534 Checker$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 22:23:31,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:23:31,041 INFO L93 Difference]: Finished difference Result 94860 states and 151687 transitions. [2021-12-06 22:23:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:23:31,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 85 [2021-12-06 22:23:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:23:31,376 INFO L225 Difference]: With dead ends: 94860 [2021-12-06 22:23:31,376 INFO L226 Difference]: Without dead ends: 94660 [2021-12-06 22:23:31,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:23:31,419 INFO L933 BasicCegarLoop]: 7697 mSDtfsCounter, 10400 mSDsluCounter, 13490 mSDsCounter, 0 mSdLazyCounter, 25526 mSolverCounterSat, 6850 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11070 SdHoareTripleChecker+Valid, 21187 SdHoareTripleChecker+Invalid, 32379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6850 IncrementalHoareTripleChecker+Valid, 25526 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:23:31,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11070 Valid, 21187 Invalid, 32379 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6850 Valid, 25526 Invalid, 3 Unknown, 0 Unchecked, 66.4s Time] [2021-12-06 22:23:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94660 states. [2021-12-06 22:23:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94660 to 78539. [2021-12-06 22:23:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78539 states, 55792 states have (on average 1.3874390593633497) internal successors, (77408), 58408 states have internal predecessors, (77408), 18399 states have call successors, (18399), 3963 states have call predecessors, (18399), 4347 states have return successors, (25761), 17586 states have call predecessors, (25761), 18179 states have call successors, (25761) [2021-12-06 22:23:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78539 states to 78539 states and 121568 transitions. [2021-12-06 22:23:35,533 INFO L78 Accepts]: Start accepts. Automaton has 78539 states and 121568 transitions. Word has length 85 [2021-12-06 22:23:35,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:23:35,533 INFO L470 AbstractCegarLoop]: Abstraction has 78539 states and 121568 transitions. [2021-12-06 22:23:35,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-06 22:23:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand 78539 states and 121568 transitions. [2021-12-06 22:23:35,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-06 22:23:35,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:23:35,535 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:23:35,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:23:35,535 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:23:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:23:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash -628660043, now seen corresponding path program 1 times [2021-12-06 22:23:35,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:23:35,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334084782] [2021-12-06 22:23:35,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:23:35,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:23:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:23:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:23:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:23:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:23:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:23:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:23:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:23:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:23:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 22:23:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 22:23:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:23:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:23:35,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:23:35,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334084782] [2021-12-06 22:23:35,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334084782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:23:35,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:23:35,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:23:35,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294907741] [2021-12-06 22:23:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:23:35,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:23:35,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:23:35,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:23:35,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:23:35,928 INFO L87 Difference]: Start difference. First operand 78539 states and 121568 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-06 22:23:39,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:41,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:43,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:23:53,624 WARN L534 Checker$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 22:24:06,002 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 22:24:25,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:25,729 INFO L93 Difference]: Finished difference Result 87665 states and 135172 transitions. [2021-12-06 22:24:25,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:24:25,730 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 84 [2021-12-06 22:24:25,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:25,759 INFO L225 Difference]: With dead ends: 87665 [2021-12-06 22:24:25,759 INFO L226 Difference]: Without dead ends: 9136 [2021-12-06 22:24:25,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:24:25,987 INFO L933 BasicCegarLoop]: 4815 mSDtfsCounter, 6099 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 21566 mSolverCounterSat, 3102 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6541 SdHoareTripleChecker+Valid, 11690 SdHoareTripleChecker+Invalid, 24671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3102 IncrementalHoareTripleChecker+Valid, 21566 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:25,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6541 Valid, 11690 Invalid, 24671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3102 Valid, 21566 Invalid, 3 Unknown, 0 Unchecked, 48.0s Time] [2021-12-06 22:24:25,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9136 states. [2021-12-06 22:24:26,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9136 to 7904. [2021-12-06 22:24:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7904 states, 5676 states have (on average 1.3949964763918252) internal successors, (7918), 5954 states have internal predecessors, (7918), 1791 states have call successors, (1791), 457 states have call predecessors, (1791), 436 states have return successors, (1829), 1626 states have call predecessors, (1829), 1698 states have call successors, (1829) [2021-12-06 22:24:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11538 transitions. [2021-12-06 22:24:26,361 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11538 transitions. Word has length 84 [2021-12-06 22:24:26,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:26,361 INFO L470 AbstractCegarLoop]: Abstraction has 7904 states and 11538 transitions. [2021-12-06 22:24:26,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-06 22:24:26,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11538 transitions. [2021-12-06 22:24:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-06 22:24:26,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:26,362 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 22:24:26,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:24:26,363 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:24:26,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1909137475, now seen corresponding path program 1 times [2021-12-06 22:24:26,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:26,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323912150] [2021-12-06 22:24:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:26,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:24:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:24:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:24:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:24:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:24:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:24:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:24:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 22:24:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:24:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:24:26,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:26,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323912150] [2021-12-06 22:24:26,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323912150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:26,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:26,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 22:24:26,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216184124] [2021-12-06 22:24:26,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:26,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:24:26,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:26,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:24:26,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:24:26,864 INFO L87 Difference]: Start difference. First operand 7904 states and 11538 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-06 22:24:31,751 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 22:24:34,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:54,570 WARN L534 Checker$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 22:24:56,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:00,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:20,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:20,354 INFO L93 Difference]: Finished difference Result 10275 states and 15649 transitions. [2021-12-06 22:25:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 22:25:20,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) Word has length 86 [2021-12-06 22:25:20,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:20,380 INFO L225 Difference]: With dead ends: 10275 [2021-12-06 22:25:20,380 INFO L226 Difference]: Without dead ends: 10075 [2021-12-06 22:25:20,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:25:20,384 INFO L933 BasicCegarLoop]: 4699 mSDtfsCounter, 8913 mSDsluCounter, 7871 mSDsCounter, 0 mSdLazyCounter, 23380 mSolverCounterSat, 4997 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9416 SdHoareTripleChecker+Valid, 12570 SdHoareTripleChecker+Invalid, 28380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4997 IncrementalHoareTripleChecker+Valid, 23380 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:20,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9416 Valid, 12570 Invalid, 28380 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4997 Valid, 23380 Invalid, 3 Unknown, 0 Unchecked, 52.5s Time] [2021-12-06 22:25:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10075 states. [2021-12-06 22:25:20,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10075 to 7768. [2021-12-06 22:25:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 5569 states have (on average 1.395403124438858) internal successors, (7771), 5841 states have internal predecessors, (7771), 1769 states have call successors, (1769), 450 states have call predecessors, (1769), 429 states have return successors, (1808), 1610 states have call predecessors, (1808), 1681 states have call successors, (1808) [2021-12-06 22:25:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 11348 transitions. [2021-12-06 22:25:20,731 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 11348 transitions. Word has length 86 [2021-12-06 22:25:20,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:20,731 INFO L470 AbstractCegarLoop]: Abstraction has 7768 states and 11348 transitions. [2021-12-06 22:25:20,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-06 22:25:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 11348 transitions. [2021-12-06 22:25:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-06 22:25:20,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:20,734 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-12-06 22:25:20,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:25:20,734 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:20,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:20,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1933296549, now seen corresponding path program 1 times [2021-12-06 22:25:20,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:20,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183122555] [2021-12-06 22:25:20,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:20,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:25:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:25:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 22:25:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 22:25:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:25:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 22:25:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 22:25:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 22:25:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 22:25:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 22:25:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-06 22:25:21,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:21,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183122555] [2021-12-06 22:25:21,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183122555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:21,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:21,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:25:21,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790108651] [2021-12-06 22:25:21,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:21,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:25:21,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:21,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:25:21,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:25:21,098 INFO L87 Difference]: Start difference. First operand 7768 states and 11348 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 22:25:36,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:43,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []