./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/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_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:33:33,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:33:33,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:33:33,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:33:33,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:33:33,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:33:33,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:33:33,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:33:33,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:33:33,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:33:33,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:33:33,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:33:33,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:33:33,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:33:33,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:33:33,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:33:33,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:33:33,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:33:33,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:33:33,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:33:33,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:33:33,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:33:33,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:33:33,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:33:34,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:33:34,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:33:34,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:33:34,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:33:34,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:33:34,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:33:34,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:33:34,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:33:34,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:33:34,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:33:34,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:33:34,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:33:34,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:33:34,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:33:34,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:33:34,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:33:34,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:33:34,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:33:34,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:33:34,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:33:34,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:33:34,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:33:34,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:33:34,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:33:34,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:33:34,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:33:34,048 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:33:34,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:33:34,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:33:34,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:33:34,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:33:34,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:33:34,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:33:34,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:33:34,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:33:34,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:33:34,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:33:34,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:33:34,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:33:34,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:33:34,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:33:34,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:33:34,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:33:34,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:33:34,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:33:34,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:33:34,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:33:34,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:33:34,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:33:34,053 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_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987c01adcb7e83da65734969107591cd88279bac327d4cf4f8b6555378a800e7 [2021-11-20 07:33:34,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:33:34,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:33:34,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:33:34,351 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:33:34,352 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:33:34,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-20 07:33:34,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/data/75a8994b2/fcd8bbeb2ff9474cbd2ce3ffbc65283d/FLAG1d25215b6 [2021-11-20 07:33:35,928 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:33:35,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-20 07:33:36,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/data/75a8994b2/fcd8bbeb2ff9474cbd2ce3ffbc65283d/FLAG1d25215b6 [2021-11-20 07:33:36,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/data/75a8994b2/fcd8bbeb2ff9474cbd2ce3ffbc65283d [2021-11-20 07:33:36,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:33:36,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:33:36,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:33:36,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:33:36,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:33:36,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:33:36" (1/1) ... [2021-11-20 07:33:36,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b08fb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:36, skipping insertion in model container [2021-11-20 07:33:36,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:33:36" (1/1) ... [2021-11-20 07:33:36,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:33:36,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:33:49,112 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_9269f236-fdf8-423d-8e84-ebc765cfa948/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-20 07:33:49,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:33:49,528 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:33:50,798 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_9269f236-fdf8-423d-8e84-ebc765cfa948/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i[911575,911588] [2021-11-20 07:33:50,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:33:51,219 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:33:51,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51 WrapperNode [2021-11-20 07:33:51,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:33:51,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:33:51,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:33:51,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:33:51,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:51,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:51,913 INFO L137 Inliner]: procedures = 784, calls = 11130, calls flagged for inlining = 319, calls inlined = 156, statements flattened = 14259 [2021-11-20 07:33:51,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:33:51,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:33:51,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:33:51,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:33:51,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:51,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:33:52,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:33:52,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:33:52,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:33:52,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (1/1) ... [2021-11-20 07:33:52,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:33:52,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:33:53,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:33:53,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:33:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-20 07:33:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-20 07:33:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-20 07:33:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-20 07:33:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-20 07:33:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-20 07:33:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-20 07:33:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-20 07:33:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-20 07:33:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-20 07:33:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-20 07:33:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-20 07:33:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-20 07:33:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-20 07:33:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:33:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:33:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-20 07:33:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-20 07:33:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-20 07:33:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-20 07:33:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-20 07:33:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-20 07:33:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-20 07:33:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-20 07:33:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-20 07:33:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-20 07:33:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-20 07:33:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-20 07:33:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-20 07:33:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-20 07:33:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-20 07:33:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-20 07:33:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-20 07:33:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-20 07:33:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 07:33:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 07:33:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-20 07:33:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-20 07:33:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-20 07:33:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-20 07:33:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-20 07:33:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-20 07:33:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:33:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:33:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 07:33:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 07:33:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-20 07:33:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-20 07:33:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-20 07:33:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-20 07:33:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-20 07:33:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-20 07:33:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-20 07:33:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-20 07:33:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:33:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:33:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-20 07:33:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-20 07:33:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-20 07:33:53,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-20 07:33:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-20 07:33:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-20 07:33:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-20 07:33:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-20 07:33:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-20 07:33:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-20 07:33:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:33:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:33:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-20 07:33:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-20 07:33:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-20 07:33:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-20 07:33:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-20 07:33:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-20 07:33:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:33:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-20 07:33:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-20 07:33:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-20 07:33:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-20 07:33:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-20 07:33:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-20 07:33:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-20 07:33:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-20 07:33:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-20 07:33:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-20 07:33:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-20 07:33:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-20 07:33:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-20 07:33:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-20 07:33:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-20 07:33:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-20 07:33:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 07:33:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 07:33:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 07:33:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 07:33:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:33:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:33:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-20 07:33:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-20 07:33:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 07:33:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 07:33:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-20 07:33:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-20 07:33:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-20 07:33:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-20 07:33:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-20 07:33:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-20 07:33:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-20 07:33:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-20 07:33:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-20 07:33:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-20 07:33:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:33:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-20 07:33:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-20 07:33:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-20 07:33:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-20 07:33:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 07:33:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 07:33:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:33:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:33:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:33:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-20 07:33:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-20 07:33:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:33:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:33:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-20 07:33:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-20 07:33:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-20 07:33:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-20 07:33:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-20 07:33:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-20 07:33:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-20 07:33:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-20 07:33:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-20 07:33:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-20 07:33:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-20 07:33:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-20 07:33:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-20 07:33:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-20 07:33:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-20 07:33:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2021-11-20 07:33:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-20 07:33:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-20 07:33:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:33:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:33:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-20 07:33:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-20 07:33:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-20 07:33:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-20 07:33:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-20 07:33:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2021-11-20 07:33:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 07:33:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 07:33:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-20 07:33:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-20 07:33:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-20 07:33:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-20 07:33:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:33:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:33:53,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:33:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:33:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 07:33:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 07:33:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-20 07:33:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-20 07:33:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 07:33:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 07:33:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:33:53,175 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 07:33:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 07:33:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 07:33:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 07:33:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 07:33:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-20 07:33:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-20 07:33:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-20 07:33:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-20 07:33:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-20 07:33:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-20 07:33:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-20 07:33:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-20 07:33:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-20 07:33:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-20 07:33:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-20 07:33:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-20 07:33:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-20 07:33:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-20 07:33:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-20 07:33:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-20 07:33:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-20 07:33:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-20 07:33:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 07:33:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 07:33:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:33:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:33:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:33:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:33:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-20 07:33:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-20 07:33:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-20 07:33:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-20 07:33:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-20 07:33:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-20 07:33:53,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:33:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:33:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-20 07:33:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-20 07:33:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-20 07:33:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-20 07:33:53,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 07:33:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 07:33:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:33:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:33:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-20 07:33:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-20 07:33:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-20 07:33:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-20 07:33:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:33:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-20 07:33:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-20 07:33:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 07:33:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 07:33:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-20 07:33:53,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-20 07:33:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-20 07:33:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-20 07:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-20 07:33:53,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-20 07:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:33:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 07:33:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 07:33:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-20 07:33:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-20 07:33:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-20 07:33:53,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-20 07:33:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-20 07:33:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-20 07:33:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-20 07:33:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-20 07:33:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-20 07:33:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-20 07:33:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-20 07:33:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-20 07:33:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-20 07:33:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:33:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 07:33:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 07:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-20 07:33:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-20 07:33:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-20 07:33:53,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-20 07:33:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-20 07:33:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-20 07:33:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-20 07:33:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-20 07:33:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 07:33:53,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 07:33:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-20 07:33:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-20 07:33:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-20 07:33:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-20 07:33:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-20 07:33:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-20 07:33:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 07:33:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 07:33:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 07:33:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 07:33:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-20 07:33:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-20 07:33:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-20 07:33:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-20 07:33:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-20 07:33:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-20 07:33:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-20 07:33:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-20 07:33:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 07:33:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 07:33:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:33:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-20 07:33:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-20 07:33:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:33:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:33:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-20 07:33:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-20 07:33:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-20 07:33:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-20 07:33:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-20 07:33:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-20 07:33:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-20 07:33:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-20 07:33:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-20 07:33:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-20 07:33:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-20 07:33:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-20 07:33:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 07:33:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 07:33:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-20 07:33:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-20 07:33:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-20 07:33:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-20 07:33:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-20 07:33:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-20 07:33:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 07:33:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 07:33:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-20 07:33:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-20 07:33:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-20 07:33:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-20 07:33:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-20 07:33:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-20 07:33:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 07:33:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 07:33:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-20 07:33:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-20 07:33:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:33:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:33:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-20 07:33:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-20 07:33:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-20 07:33:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2021-11-20 07:33:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-20 07:33:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-20 07:33:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-20 07:33:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-20 07:33:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:33:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:33:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-20 07:33:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-20 07:33:53,237 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-20 07:33:53,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-20 07:33:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-20 07:33:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-20 07:33:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-20 07:33:53,238 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-20 07:33:53,238 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-20 07:33:53,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-20 07:33:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-20 07:33:53,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-20 07:33:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-20 07:33:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-20 07:33:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-20 07:33:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-20 07:33:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-20 07:33:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-20 07:33:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:33:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-20 07:33:53,241 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-20 07:33:53,241 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-20 07:33:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-20 07:33:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 07:33:53,242 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 07:33:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:33:53,242 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 07:33:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 07:33:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 07:33:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 07:33:53,243 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-20 07:33:53,243 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-20 07:33:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:33:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-20 07:33:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-20 07:33:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-20 07:33:53,245 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-20 07:33:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-20 07:33:53,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-20 07:33:53,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:33:53,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:33:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-20 07:33:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-20 07:33:53,246 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-20 07:33:53,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-20 07:33:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-20 07:33:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-20 07:33:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 07:33:53,247 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 07:33:53,247 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-20 07:33:53,248 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-20 07:33:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-20 07:33:53,248 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-20 07:33:53,248 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-20 07:33:53,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-20 07:33:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-20 07:33:53,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-20 07:33:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 07:33:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 07:33:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-20 07:33:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-20 07:33:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-20 07:33:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-20 07:33:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-20 07:33:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-20 07:33:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:33:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:33:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-20 07:33:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-20 07:33:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-20 07:33:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-20 07:33:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-20 07:33:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-20 07:33:53,253 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-20 07:33:53,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-20 07:33:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-20 07:33:53,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-20 07:33:53,254 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 07:33:53,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 07:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-20 07:33:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-20 07:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 07:33:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 07:33:53,255 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-20 07:33:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-20 07:33:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 07:33:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 07:33:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 07:33:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 07:33:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-20 07:33:53,257 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-20 07:33:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-20 07:33:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-20 07:33:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-20 07:33:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-20 07:33:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-20 07:33:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-20 07:33:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:33:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-20 07:33:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-20 07:33:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-20 07:33:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-20 07:33:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-20 07:33:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-20 07:33:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-20 07:33:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-20 07:33:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-20 07:33:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-20 07:33:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-20 07:33:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-20 07:33:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-20 07:33:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-20 07:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 07:33:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 07:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 07:33:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 07:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-20 07:33:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-20 07:33:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-20 07:33:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-20 07:33:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 07:33:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 07:33:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-20 07:33:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-20 07:33:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-20 07:33:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-20 07:33:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-20 07:33:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-20 07:33:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:33:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-20 07:33:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-20 07:33:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 07:33:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 07:33:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-20 07:33:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-20 07:33:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-20 07:33:53,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-20 07:33:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-20 07:33:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-20 07:33:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 07:33:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 07:33:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-20 07:33:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-20 07:33:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-20 07:33:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-20 07:33:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-20 07:33:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-20 07:33:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-20 07:33:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-20 07:33:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-20 07:33:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-20 07:33:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-20 07:33:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-20 07:33:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-20 07:33:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-20 07:33:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-20 07:33:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-20 07:33:53,286 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-20 07:33:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-20 07:33:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-20 07:33:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-20 07:33:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-20 07:33:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-20 07:33:53,288 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-20 07:33:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-20 07:33:53,288 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-20 07:33:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-20 07:33:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:33:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:33:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-20 07:33:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-20 07:33:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-20 07:33:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-20 07:33:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-20 07:33:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-20 07:33:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-20 07:33:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-20 07:33:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-20 07:33:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-20 07:33:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-20 07:33:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-20 07:33:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 07:33:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 07:33:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-20 07:33:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-20 07:33:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-20 07:33:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-20 07:33:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-20 07:33:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-20 07:33:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-20 07:33:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-20 07:33:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-20 07:33:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-20 07:33:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 07:33:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 07:33:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-20 07:33:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-20 07:33:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 07:33:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 07:33:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:33:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 07:33:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 07:33:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-20 07:33:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-20 07:33:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-20 07:33:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-20 07:33:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 07:33:53,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 07:33:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 07:33:55,344 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:33:55,350 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:34:23,985 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:34:24,033 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:34:24,034 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:34:24,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:24 BoogieIcfgContainer [2021-11-20 07:34:24,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:34:24,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:34:24,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:34:24,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:34:24,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:33:36" (1/3) ... [2021-11-20 07:34:24,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a5c501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:34:24, skipping insertion in model container [2021-11-20 07:34:24,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:33:51" (2/3) ... [2021-11-20 07:34:24,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a5c501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:34:24, skipping insertion in model container [2021-11-20 07:34:24,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:34:24" (3/3) ... [2021-11-20 07:34:24,057 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt3sas--mpt3sas.ko-ldv_main4.cil.out.i [2021-11-20 07:34:24,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:34:24,064 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:34:24,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:34:24,168 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:34:24,171 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:34:24,303 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) [2021-11-20 07:34:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 07:34:24,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:34:24,312 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] [2021-11-20 07:34:24,312 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:34:24,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:34:24,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1239585877, now seen corresponding path program 1 times [2021-11-20 07:34:24,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:34:24,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249834085] [2021-11-20 07:34:24,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:34:24,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:34:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:34:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:34:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:34:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:34:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:34:25,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:34:25,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249834085] [2021-11-20 07:34:25,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249834085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:34:25,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:34:25,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:34:25,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046195237] [2021-11-20 07:34:25,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:34:25,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:34:25,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:34:25,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:34:25,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:34:25,653 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) [2021-11-20 07:34:39,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:34:51,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:34:55,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:34:57,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:00,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:02,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:04,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:07,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:10,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:14,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:16,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:34,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:36,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:38,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:43,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:44,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:35:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:35:48,057 INFO L93 Difference]: Finished difference Result 18626 states and 28932 transitions. [2021-11-20 07:35:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:35:48,059 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 [2021-11-20 07:35:48,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:35:48,198 INFO L225 Difference]: With dead ends: 18626 [2021-11-20 07:35:48,199 INFO L226 Difference]: Without dead ends: 13200 [2021-11-20 07:35:48,289 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 [2021-11-20 07:35:48,292 INFO L933 BasicCegarLoop]: 7589 mSDtfsCounter, 20718 mSDsluCounter, 3420 mSDsCounter, 0 mSdLazyCounter, 16502 mSolverCounterSat, 11294 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21718 SdHoareTripleChecker+Valid, 11009 SdHoareTripleChecker+Invalid, 27809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 11294 IncrementalHoareTripleChecker+Valid, 16502 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:35:48,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21718 Valid, 11009 Invalid, 27809 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [11294 Valid, 16502 Invalid, 13 Unknown, 0 Unchecked, 80.5s Time] [2021-11-20 07:35:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13200 states. [2021-11-20 07:35:49,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13200 to 10011. [2021-11-20 07:35:49,310 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) [2021-11-20 07:35:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10011 states to 10011 states and 14761 transitions. [2021-11-20 07:35:49,444 INFO L78 Accepts]: Start accepts. Automaton has 10011 states and 14761 transitions. Word has length 24 [2021-11-20 07:35:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:35:49,444 INFO L470 AbstractCegarLoop]: Abstraction has 10011 states and 14761 transitions. [2021-11-20 07:35:49,446 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) [2021-11-20 07:35:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 10011 states and 14761 transitions. [2021-11-20 07:35:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 07:35:49,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:35:49,451 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] [2021-11-20 07:35:49,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:35:49,451 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:35:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 225308175, now seen corresponding path program 1 times [2021-11-20 07:35:49,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:49,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19149608] [2021-11-20 07:35:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:49,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:35:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:35:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:35:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:35:50,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:50,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19149608] [2021-11-20 07:35:50,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19149608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:50,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:50,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:35:50,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594794348] [2021-11-20 07:35:50,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:50,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:35:50,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:50,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:35:50,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:35:50,168 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) [2021-11-20 07:35:53,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:12,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:15,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:32,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:35,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:37,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:42,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:46,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:36:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:36:53,199 INFO L93 Difference]: Finished difference Result 34102 states and 53204 transitions. [2021-11-20 07:36:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:36:53,200 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 [2021-11-20 07:36:53,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:36:53,411 INFO L225 Difference]: With dead ends: 34102 [2021-11-20 07:36:53,412 INFO L226 Difference]: Without dead ends: 24101 [2021-11-20 07:36:53,502 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 [2021-11-20 07:36:53,503 INFO L933 BasicCegarLoop]: 8480 mSDtfsCounter, 18251 mSDsluCounter, 5037 mSDsCounter, 0 mSdLazyCounter, 16649 mSolverCounterSat, 10293 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19011 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 26949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10293 IncrementalHoareTripleChecker+Valid, 16649 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:36:53,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19011 Valid, 13517 Invalid, 26949 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10293 Valid, 16649 Invalid, 7 Unknown, 0 Unchecked, 61.4s Time] [2021-11-20 07:36:53,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24101 states. [2021-11-20 07:36:55,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24101 to 21536. [2021-11-20 07:36:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21536 states, 15337 states have (on average 1.3891243398317794) internal successors, (21305), 15987 states have internal predecessors, (21305), 5055 states have call successors, (5055), 966 states have call predecessors, (5055), 1143 states have return successors, (6528), 4955 states have call predecessors, (6528), 5038 states have call successors, (6528) [2021-11-20 07:36:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21536 states to 21536 states and 32888 transitions. [2021-11-20 07:36:55,236 INFO L78 Accepts]: Start accepts. Automaton has 21536 states and 32888 transitions. Word has length 25 [2021-11-20 07:36:55,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:36:55,237 INFO L470 AbstractCegarLoop]: Abstraction has 21536 states and 32888 transitions. [2021-11-20 07:36:55,237 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) [2021-11-20 07:36:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 21536 states and 32888 transitions. [2021-11-20 07:36:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-20 07:36:55,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:36:55,239 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] [2021-11-20 07:36:55,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:36:55,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:36:55,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:55,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1607611602, now seen corresponding path program 1 times [2021-11-20 07:36:55,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:55,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322007907] [2021-11-20 07:36:55,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:55,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:36:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:36:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:36:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:36:55,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:55,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322007907] [2021-11-20 07:36:55,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322007907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:55,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:55,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:36:55,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776606422] [2021-11-20 07:36:55,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:55,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:36:55,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:55,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:36:55,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:36:55,846 INFO L87 Difference]: Start difference. First operand 21536 states and 32888 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) [2021-11-20 07:37:00,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:21,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:25,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:29,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:31,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:34,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:39,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:40,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:37:46,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:00,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:38:03,903 INFO L93 Difference]: Finished difference Result 24455 states and 38008 transitions. [2021-11-20 07:38:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:38:03,904 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 [2021-11-20 07:38:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:38:04,039 INFO L225 Difference]: With dead ends: 24455 [2021-11-20 07:38:04,039 INFO L226 Difference]: Without dead ends: 24452 [2021-11-20 07:38:04,062 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 [2021-11-20 07:38:04,063 INFO L933 BasicCegarLoop]: 7416 mSDtfsCounter, 20730 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 16521 mSolverCounterSat, 11300 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21733 SdHoareTripleChecker+Valid, 10728 SdHoareTripleChecker+Invalid, 27826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11300 IncrementalHoareTripleChecker+Valid, 16521 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:38:04,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21733 Valid, 10728 Invalid, 27826 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11300 Valid, 16521 Invalid, 5 Unknown, 0 Unchecked, 66.5s Time] [2021-11-20 07:38:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24452 states. [2021-11-20 07:38:05,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24452 to 21535. [2021-11-20 07:38:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21535 states, 15337 states have (on average 1.3890591380322097) internal successors, (21304), 15986 states have internal predecessors, (21304), 5054 states have call successors, (5054), 966 states have call predecessors, (5054), 1143 states have return successors, (6528), 4955 states have call predecessors, (6528), 5038 states have call successors, (6528) [2021-11-20 07:38:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21535 states to 21535 states and 32886 transitions. [2021-11-20 07:38:05,631 INFO L78 Accepts]: Start accepts. Automaton has 21535 states and 32886 transitions. Word has length 26 [2021-11-20 07:38:05,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:38:05,632 INFO L470 AbstractCegarLoop]: Abstraction has 21535 states and 32886 transitions. [2021-11-20 07:38:05,632 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) [2021-11-20 07:38:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 21535 states and 32886 transitions. [2021-11-20 07:38:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 07:38:05,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:38:05,634 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] [2021-11-20 07:38:05,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:38:05,635 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:38:05,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:38:05,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1701422322, now seen corresponding path program 1 times [2021-11-20 07:38:05,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:38:05,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662992828] [2021-11-20 07:38:05,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:38:05,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:38:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:38:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:38:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:38:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:38:06,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:38:06,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662992828] [2021-11-20 07:38:06,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662992828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:38:06,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:38:06,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:38:06,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955222325] [2021-11-20 07:38:06,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:38:06,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:38:06,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:38:06,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:38:06,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:38:06,654 INFO L87 Difference]: Start difference. First operand 21535 states and 32886 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) [2021-11-20 07:38:09,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:10,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:29,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:47,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:52,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:38:59,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:04,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:07,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:09,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:14,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:18,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:26,293 INFO L93 Difference]: Finished difference Result 67025 states and 109230 transitions. [2021-11-20 07:39:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:39:26,293 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 [2021-11-20 07:39:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:26,573 INFO L225 Difference]: With dead ends: 67025 [2021-11-20 07:39:26,573 INFO L226 Difference]: Without dead ends: 45495 [2021-11-20 07:39:26,762 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 [2021-11-20 07:39:26,765 INFO L933 BasicCegarLoop]: 12452 mSDtfsCounter, 16917 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 20731 mSolverCounterSat, 9342 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17924 SdHoareTripleChecker+Valid, 17708 SdHoareTripleChecker+Invalid, 30082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9342 IncrementalHoareTripleChecker+Valid, 20731 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:26,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17924 Valid, 17708 Invalid, 30082 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9342 Valid, 20731 Invalid, 9 Unknown, 0 Unchecked, 77.1s Time] [2021-11-20 07:39:26,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45495 states. [2021-11-20 07:39:29,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45495 to 40209. [2021-11-20 07:39:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40209 states, 28600 states have (on average 1.3897202797202797) internal successors, (39746), 29853 states have internal predecessors, (39746), 9455 states have call successors, (9455), 1875 states have call predecessors, (9455), 2153 states have return successors, (14064), 9170 states have call predecessors, (14064), 9438 states have call successors, (14064) [2021-11-20 07:39:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40209 states to 40209 states and 63265 transitions. [2021-11-20 07:39:30,173 INFO L78 Accepts]: Start accepts. Automaton has 40209 states and 63265 transitions. Word has length 27 [2021-11-20 07:39:30,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:30,173 INFO L470 AbstractCegarLoop]: Abstraction has 40209 states and 63265 transitions. [2021-11-20 07:39:30,174 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) [2021-11-20 07:39:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 40209 states and 63265 transitions. [2021-11-20 07:39:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 07:39:30,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:30,186 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] [2021-11-20 07:39:30,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:39:30,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:39:30,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:30,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2146632156, now seen corresponding path program 1 times [2021-11-20 07:39:30,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:30,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977559092] [2021-11-20 07:39:30,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:30,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:39:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:39:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:39:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:39:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 07:39:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:39:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:39:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 07:39:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:39:31,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:31,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977559092] [2021-11-20 07:39:31,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977559092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:31,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:31,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:39:31,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714969977] [2021-11-20 07:39:31,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:31,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:39:31,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:39:31,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:39:31,488 INFO L87 Difference]: Start difference. First operand 40209 states and 63265 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) [2021-11-20 07:39:35,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:37,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:51,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:53,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:04,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:08,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:14,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:17,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:22,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:22,261 INFO L93 Difference]: Finished difference Result 85594 states and 136056 transitions. [2021-11-20 07:40:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:40:22,262 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 [2021-11-20 07:40:22,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:22,868 INFO L225 Difference]: With dead ends: 85594 [2021-11-20 07:40:22,869 INFO L226 Difference]: Without dead ends: 45395 [2021-11-20 07:40:23,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:40:23,105 INFO L933 BasicCegarLoop]: 7483 mSDtfsCounter, 7047 mSDsluCounter, 5042 mSDsCounter, 0 mSdLazyCounter, 12870 mSolverCounterSat, 4355 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7629 SdHoareTripleChecker+Valid, 12525 SdHoareTripleChecker+Invalid, 17230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4355 IncrementalHoareTripleChecker+Valid, 12870 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:23,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7629 Valid, 12525 Invalid, 17230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4355 Valid, 12870 Invalid, 5 Unknown, 0 Unchecked, 48.2s Time] [2021-11-20 07:40:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45395 states. [2021-11-20 07:40:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45395 to 40213. [2021-11-20 07:40:25,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40213 states, 28604 states have (on average 1.389665781009649) internal successors, (39750), 29857 states have internal predecessors, (39750), 9455 states have call successors, (9455), 1875 states have call predecessors, (9455), 2153 states have return successors, (14064), 9170 states have call predecessors, (14064), 9438 states have call successors, (14064) [2021-11-20 07:40:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40213 states to 40213 states and 63269 transitions. [2021-11-20 07:40:26,380 INFO L78 Accepts]: Start accepts. Automaton has 40213 states and 63269 transitions. Word has length 81 [2021-11-20 07:40:26,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:26,384 INFO L470 AbstractCegarLoop]: Abstraction has 40213 states and 63269 transitions. [2021-11-20 07:40:26,384 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) [2021-11-20 07:40:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 40213 states and 63269 transitions. [2021-11-20 07:40:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 07:40:26,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:26,388 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] [2021-11-20 07:40:26,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:40:26,388 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:40:26,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:26,389 INFO L85 PathProgramCache]: Analyzing trace with hash -225107106, now seen corresponding path program 1 times [2021-11-20 07:40:26,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:26,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712246226] [2021-11-20 07:40:26,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:26,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:40:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:40:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:40:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:40:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 07:40:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:40:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:40:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 07:40:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:40:27,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:27,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712246226] [2021-11-20 07:40:27,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712246226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:27,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:27,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:40:27,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149738047] [2021-11-20 07:40:27,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:27,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:40:27,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:27,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:40:27,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:40:27,338 INFO L87 Difference]: Start difference. First operand 40213 states and 63269 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) [2021-11-20 07:40:31,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:43,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:51,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:52,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:54,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:08,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:10,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:17,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:21,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:26,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:26,118 INFO L93 Difference]: Finished difference Result 85580 states and 136024 transitions. [2021-11-20 07:41:26,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:41:26,119 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 [2021-11-20 07:41:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:26,429 INFO L225 Difference]: With dead ends: 85580 [2021-11-20 07:41:26,429 INFO L226 Difference]: Without dead ends: 45377 [2021-11-20 07:41:26,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:41:26,936 INFO L933 BasicCegarLoop]: 7505 mSDtfsCounter, 6801 mSDsluCounter, 5554 mSDsCounter, 0 mSdLazyCounter, 12505 mSolverCounterSat, 4348 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7327 SdHoareTripleChecker+Valid, 13059 SdHoareTripleChecker+Invalid, 16861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4348 IncrementalHoareTripleChecker+Valid, 12505 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:26,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7327 Valid, 13059 Invalid, 16861 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4348 Valid, 12505 Invalid, 8 Unknown, 0 Unchecked, 55.8s Time] [2021-11-20 07:41:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45377 states. [2021-11-20 07:41:28,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45377 to 40217. [2021-11-20 07:41:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40217 states, 28608 states have (on average 1.38961129753915) internal successors, (39754), 29861 states have internal predecessors, (39754), 9455 states have call successors, (9455), 1875 states have call predecessors, (9455), 2153 states have return successors, (14064), 9170 states have call predecessors, (14064), 9438 states have call successors, (14064) [2021-11-20 07:41:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40217 states to 40217 states and 63273 transitions. [2021-11-20 07:41:29,443 INFO L78 Accepts]: Start accepts. Automaton has 40217 states and 63273 transitions. Word has length 81 [2021-11-20 07:41:29,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:29,443 INFO L470 AbstractCegarLoop]: Abstraction has 40217 states and 63273 transitions. [2021-11-20 07:41:29,444 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) [2021-11-20 07:41:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40217 states and 63273 transitions. [2021-11-20 07:41:29,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:41:29,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:29,446 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] [2021-11-20 07:41:29,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:41:29,446 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:41:29,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:29,447 INFO L85 PathProgramCache]: Analyzing trace with hash 608643393, now seen corresponding path program 1 times [2021-11-20 07:41:29,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:29,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333479686] [2021-11-20 07:41:29,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:29,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:41:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:41:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:41:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:41:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:41:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:41:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:41:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:41:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:41:30,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:30,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333479686] [2021-11-20 07:41:30,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333479686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:30,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:30,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:41:30,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953411989] [2021-11-20 07:41:30,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:30,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:41:30,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:30,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:41:30,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:30,217 INFO L87 Difference]: Start difference. First operand 40217 states and 63273 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 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) [2021-11-20 07:41:32,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:34,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:36,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:37,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:39,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:04,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:19,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:21,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:25,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:28,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:36,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:39,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:41,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:43,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:45,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:51,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:42:51,608 INFO L93 Difference]: Finished difference Result 85626 states and 136092 transitions. [2021-11-20 07:42:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:42:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 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 [2021-11-20 07:42:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:51,922 INFO L225 Difference]: With dead ends: 85626 [2021-11-20 07:42:51,922 INFO L226 Difference]: Without dead ends: 45419 [2021-11-20 07:42:52,424 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 [2021-11-20 07:42:52,426 INFO L933 BasicCegarLoop]: 7464 mSDtfsCounter, 7096 mSDsluCounter, 8392 mSDsCounter, 0 mSdLazyCounter, 18165 mSolverCounterSat, 4419 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7691 SdHoareTripleChecker+Valid, 15856 SdHoareTripleChecker+Invalid, 22593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4419 IncrementalHoareTripleChecker+Valid, 18165 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:42:52,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7691 Valid, 15856 Invalid, 22593 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4419 Valid, 18165 Invalid, 9 Unknown, 0 Unchecked, 78.3s Time] [2021-11-20 07:42:52,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45419 states. [2021-11-20 07:42:54,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45419 to 40231. [2021-11-20 07:42:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40231 states, 28620 states have (on average 1.3894479385045422) internal successors, (39766), 29875 states have internal predecessors, (39766), 9455 states have call successors, (9455), 1875 states have call predecessors, (9455), 2155 states have return successors, (14068), 9170 states have call predecessors, (14068), 9438 states have call successors, (14068) [2021-11-20 07:42:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40231 states to 40231 states and 63289 transitions. [2021-11-20 07:42:54,769 INFO L78 Accepts]: Start accepts. Automaton has 40231 states and 63289 transitions. Word has length 78 [2021-11-20 07:42:54,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:54,769 INFO L470 AbstractCegarLoop]: Abstraction has 40231 states and 63289 transitions. [2021-11-20 07:42:54,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 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) [2021-11-20 07:42:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 40231 states and 63289 transitions. [2021-11-20 07:42:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-20 07:42:54,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:54,771 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] [2021-11-20 07:42:54,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:42:54,771 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:42:54,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:54,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1192599773, now seen corresponding path program 1 times [2021-11-20 07:42:54,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:54,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696307747] [2021-11-20 07:42:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:54,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:42:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:42:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:42:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:42:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 07:42:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:42:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:42:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:42:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 07:42:56,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:42:56,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696307747] [2021-11-20 07:42:56,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696307747] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:42:56,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451687502] [2021-11-20 07:42:56,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:56,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:56,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:56,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:56,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:42:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:58,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 10468 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 07:42:58,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:42:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:42:58,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:42:58,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451687502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:42:58,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:42:58,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2021-11-20 07:42:58,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064100569] [2021-11-20 07:42:58,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:42:58,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:42:58,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:42:58,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:42:58,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:42:58,920 INFO L87 Difference]: Start difference. First operand 40231 states and 63289 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2021-11-20 07:43:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:01,306 INFO L93 Difference]: Finished difference Result 80460 states and 126602 transitions. [2021-11-20 07:43:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:43:01,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 83 [2021-11-20 07:43:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:43:01,673 INFO L225 Difference]: With dead ends: 80460 [2021-11-20 07:43:01,673 INFO L226 Difference]: Without dead ends: 40239 [2021-11-20 07:43:01,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:43:01,917 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, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:43:01,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 31824 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:43:01,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40239 states. [2021-11-20 07:43:03,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40239 to 40231. [2021-11-20 07:43:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40231 states, 28620 states have (on average 1.3893780573025856) internal successors, (39764), 29875 states have internal predecessors, (39764), 9455 states have call successors, (9455), 1875 states have call predecessors, (9455), 2155 states have return successors, (14068), 9170 states have call predecessors, (14068), 9438 states have call successors, (14068) [2021-11-20 07:43:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40231 states to 40231 states and 63287 transitions. [2021-11-20 07:43:04,136 INFO L78 Accepts]: Start accepts. Automaton has 40231 states and 63287 transitions. Word has length 83 [2021-11-20 07:43:04,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:43:04,137 INFO L470 AbstractCegarLoop]: Abstraction has 40231 states and 63287 transitions. [2021-11-20 07:43:04,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2021-11-20 07:43:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 40231 states and 63287 transitions. [2021-11-20 07:43:04,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-20 07:43:04,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:43:04,140 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] [2021-11-20 07:43:04,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:43:04,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9269f236-fdf8-423d-8e84-ebc765cfa948/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 07:43:04,354 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:43:04,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash 450358086, now seen corresponding path program 1 times [2021-11-20 07:43:04,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:04,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827273301] [2021-11-20 07:43:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:04,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:43:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:43:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:43:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:43:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:43:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:43:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:43:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-20 07:43:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:43:05,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:05,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827273301] [2021-11-20 07:43:05,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827273301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:05,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:05,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:43:05,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600634186] [2021-11-20 07:43:05,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:05,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:43:05,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:05,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:43:05,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:43:05,339 INFO L87 Difference]: Start difference. First operand 40231 states and 63287 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) [2021-11-20 07:43:10,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:27,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:40,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:42,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:01,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:05,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:08,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:13,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:15,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:22,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:26,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:31,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:44:31,792 INFO L93 Difference]: Finished difference Result 101191 states and 165142 transitions. [2021-11-20 07:44:31,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:44:31,793 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 [2021-11-20 07:44:31,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:44:32,169 INFO L225 Difference]: With dead ends: 101191 [2021-11-20 07:44:32,169 INFO L226 Difference]: Without dead ends: 60970 [2021-11-20 07:44:32,669 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 [2021-11-20 07:44:32,672 INFO L933 BasicCegarLoop]: 9253 mSDtfsCounter, 16189 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 16756 mSolverCounterSat, 9213 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16937 SdHoareTripleChecker+Valid, 12942 SdHoareTripleChecker+Invalid, 25979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9213 IncrementalHoareTripleChecker+Valid, 16756 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:44:32,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16937 Valid, 12942 Invalid, 25979 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9213 Valid, 16756 Invalid, 10 Unknown, 0 Unchecked, 82.3s Time] [2021-11-20 07:44:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60970 states. [2021-11-20 07:44:35,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60970 to 53349. [2021-11-20 07:44:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53349 states, 37939 states have (on average 1.3889401407522601) internal successors, (52695), 39684 states have internal predecessors, (52695), 12504 states have call successors, (12504), 2678 states have call predecessors, (12504), 2905 states have return successors, (17188), 11938 states have call predecessors, (17188), 12346 states have call successors, (17188) [2021-11-20 07:44:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53349 states to 53349 states and 82387 transitions. [2021-11-20 07:44:35,932 INFO L78 Accepts]: Start accepts. Automaton has 53349 states and 82387 transitions. Word has length 80 [2021-11-20 07:44:35,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:44:35,933 INFO L470 AbstractCegarLoop]: Abstraction has 53349 states and 82387 transitions. [2021-11-20 07:44:35,933 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) [2021-11-20 07:44:35,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53349 states and 82387 transitions. [2021-11-20 07:44:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 07:44:35,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:44:35,936 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] [2021-11-20 07:44:35,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:44:35,937 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:44:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:44:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash 816783509, now seen corresponding path program 1 times [2021-11-20 07:44:35,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:44:35,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191321817] [2021-11-20 07:44:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:44:35,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:44:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:44:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 07:44:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:44:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:44:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:44:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:44:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:44:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 07:44:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:44:36,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:44:36,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191321817] [2021-11-20 07:44:36,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191321817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:44:36,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:44:36,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:44:36,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640877328] [2021-11-20 07:44:36,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:44:36,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:44:36,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:44:36,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:44:36,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:44:36,976 INFO L87 Difference]: Start difference. First operand 53349 states and 82387 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 5 states have internal predecessors, (57), 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) [2021-11-20 07:44:42,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:07,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:16,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:18,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:20,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:22,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:39,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:42,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:44,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []