./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc --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 b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:23:58,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:23:58,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:23:58,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:23:58,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:23:58,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:23:58,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:23:58,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:23:58,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:23:58,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:23:58,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:23:58,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:23:58,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:23:58,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:23:58,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:23:58,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:23:58,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:23:58,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:23:58,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:23:58,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:23:58,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:23:58,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:23:58,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:23:58,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:23:58,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:23:58,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:23:58,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:23:58,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:23:58,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:23:58,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:23:58,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:23:58,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:23:58,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:23:58,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:23:58,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:23:58,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:23:58,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:23:58,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:23:58,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:23:58,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:23:58,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:23:58,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:23:58,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:23:58,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:23:58,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:23:58,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:23:58,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:23:58,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:23:58,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:23:58,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:23:58,434 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:23:58,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:23:58,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:23:58,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:23:58,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:23:58,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:23:58,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:23:58,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:23:58,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:23:58,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:23:58,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:23:58,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:23:58,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:23:58,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:23:58,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:23:58,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:23:58,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:23:58,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:23:58,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:23:58,438 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:23:58,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:23:58,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:23:58,440 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_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-11-02 20:23:58,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:23:58,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:23:58,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:23:58,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:23:58,777 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:23:58,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-11-02 20:23:58,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/data/1aa7bf964/0ec74b4e32574f91bf0d74fa7b3a4f45/FLAGf3c44a430 [2022-11-02 20:24:00,298 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:24:00,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-11-02 20:24:00,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/data/1aa7bf964/0ec74b4e32574f91bf0d74fa7b3a4f45/FLAGf3c44a430 [2022-11-02 20:24:00,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/data/1aa7bf964/0ec74b4e32574f91bf0d74fa7b3a4f45 [2022-11-02 20:24:00,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:24:00,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:24:00,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:00,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:24:00,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:24:00,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:00" (1/1) ... [2022-11-02 20:24:00,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7294074e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:00, skipping insertion in model container [2022-11-02 20:24:00,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:00" (1/1) ... [2022-11-02 20:24:00,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:24:01,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:24:11,196 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_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2022-11-02 20:24:11,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:11,830 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:24:13,013 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_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2022-11-02 20:24:13,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:13,362 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:24:13,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13 WrapperNode [2022-11-02 20:24:13,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:13,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:13,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:24:13,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:24:13,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:13,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,317 INFO L138 Inliner]: procedures = 905, calls = 9946, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12629 [2022-11-02 20:24:14,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:14,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:24:14,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:24:14,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:24:14,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:14,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:15,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:24:15,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:24:15,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:24:15,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:24:15,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (1/1) ... [2022-11-02 20:24:15,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:24:15,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:15,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:15,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d708a40d-7e28-498b-8ac7-ff8ac08ce83e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:24:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-11-02 20:24:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-11-02 20:24:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-02 20:24:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-11-02 20:24:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-11-02 20:24:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-11-02 20:24:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-11-02 20:24:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-11-02 20:24:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-11-02 20:24:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:24:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:24:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:24:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:24:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:24:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:24:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-11-02 20:24:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-11-02 20:24:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-11-02 20:24:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-11-02 20:24:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:24:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:24:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-02 20:24:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-02 20:24:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:24:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:24:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-11-02 20:24:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-11-02 20:24:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:24:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:24:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-11-02 20:24:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-11-02 20:24:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-02 20:24:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-02 20:24:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:24:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:24:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-11-02 20:24:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-11-02 20:24:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:24:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:24:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-11-02 20:24:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-11-02 20:24:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-11-02 20:24:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-11-02 20:24:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-11-02 20:24:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-11-02 20:24:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:24:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:24:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-11-02 20:24:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-11-02 20:24:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-11-02 20:24:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-11-02 20:24:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:24:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:24:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-02 20:24:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-02 20:24:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-11-02 20:24:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-11-02 20:24:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-11-02 20:24:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-11-02 20:24:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-11-02 20:24:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-11-02 20:24:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-11-02 20:24:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-11-02 20:24:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:24:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-11-02 20:24:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-11-02 20:24:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-11-02 20:24:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-11-02 20:24:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-11-02 20:24:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-11-02 20:24:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-11-02 20:24:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-11-02 20:24:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-11-02 20:24:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-11-02 20:24:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-11-02 20:24:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-11-02 20:24:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 20:24:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 20:24:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-11-02 20:24:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-11-02 20:24:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:24:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:24:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-11-02 20:24:15,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-11-02 20:24:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-02 20:24:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-02 20:24:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-11-02 20:24:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-11-02 20:24:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:24:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-11-02 20:24:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-11-02 20:24:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 20:24:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 20:24:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:24:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:24:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-02 20:24:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-02 20:24:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:24:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:24:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:24:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-11-02 20:24:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-11-02 20:24:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-11-02 20:24:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-11-02 20:24:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-11-02 20:24:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-11-02 20:24:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:24:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:24:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-11-02 20:24:15,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-11-02 20:24:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:24:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:24:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-11-02 20:24:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-11-02 20:24:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-11-02 20:24:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-11-02 20:24:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:24:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:24:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:24:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:24:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:24:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:24:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:24:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:24:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:24:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:24:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:24:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-11-02 20:24:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-11-02 20:24:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-11-02 20:24:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-11-02 20:24:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-11-02 20:24:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-11-02 20:24:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-02 20:24:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-02 20:24:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:24:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:24:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:24:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:24:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-11-02 20:24:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-11-02 20:24:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-11-02 20:24:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-11-02 20:24:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-11-02 20:24:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-11-02 20:24:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:24:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:24:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-11-02 20:24:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-11-02 20:24:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:24:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:24:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-02 20:24:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-02 20:24:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:24:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:24:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:24:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-11-02 20:24:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-11-02 20:24:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:24:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-11-02 20:24:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-11-02 20:24:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-11-02 20:24:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-11-02 20:24:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:24:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:24:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-02 20:24:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-02 20:24:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-11-02 20:24:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-11-02 20:24:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:24:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:24:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:24:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:24:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-11-02 20:24:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-11-02 20:24:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-02 20:24:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-02 20:24:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-02 20:24:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-02 20:24:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:24:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:24:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 20:24:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 20:24:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-11-02 20:24:15,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-11-02 20:24:15,163 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-11-02 20:24:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-11-02 20:24:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:24:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-11-02 20:24:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-11-02 20:24:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-02 20:24:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-02 20:24:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:24:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:24:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:24:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:24:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-11-02 20:24:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-11-02 20:24:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-11-02 20:24:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-11-02 20:24:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-11-02 20:24:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-11-02 20:24:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-11-02 20:24:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-11-02 20:24:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-11-02 20:24:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-11-02 20:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-11-02 20:24:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-11-02 20:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-11-02 20:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-02 20:24:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-02 20:24:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-02 20:24:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-02 20:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-11-02 20:24:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-11-02 20:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-11-02 20:24:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-11-02 20:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-02 20:24:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-02 20:24:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-11-02 20:24:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-11-02 20:24:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-11-02 20:24:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-11-02 20:24:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-11-02 20:24:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-11-02 20:24:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-02 20:24:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-02 20:24:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-11-02 20:24:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-11-02 20:24:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-11-02 20:24:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-11-02 20:24:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-11-02 20:24:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-11-02 20:24:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:24:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:24:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-11-02 20:24:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-11-02 20:24:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-11-02 20:24:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-11-02 20:24:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 20:24:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 20:24:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-02 20:24:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-02 20:24:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-11-02 20:24:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-11-02 20:24:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-11-02 20:24:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-11-02 20:24:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:24:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:24:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:24:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:24:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-02 20:24:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-02 20:24:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-11-02 20:24:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-11-02 20:24:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-11-02 20:24:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-11-02 20:24:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:24:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:24:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-11-02 20:24:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-11-02 20:24:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-11-02 20:24:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-11-02 20:24:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-11-02 20:24:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-11-02 20:24:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-02 20:24:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-02 20:24:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-11-02 20:24:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-11-02 20:24:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-11-02 20:24:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-11-02 20:24:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-02 20:24:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-02 20:24:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:24:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-11-02 20:24:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-11-02 20:24:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-11-02 20:24:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-11-02 20:24:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-11-02 20:24:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-11-02 20:24:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-11-02 20:24:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-11-02 20:24:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-02 20:24:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-02 20:24:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-02 20:24:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-02 20:24:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:24:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-11-02 20:24:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-11-02 20:24:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:24:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:24:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:24:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-02 20:24:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-02 20:24:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-11-02 20:24:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-11-02 20:24:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-11-02 20:24:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-11-02 20:24:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-11-02 20:24:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-11-02 20:24:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-11-02 20:24:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-11-02 20:24:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:24:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:24:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-11-02 20:24:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-11-02 20:24:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-11-02 20:24:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-11-02 20:24:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-11-02 20:24:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-11-02 20:24:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-11-02 20:24:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-11-02 20:24:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-11-02 20:24:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-11-02 20:24:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-11-02 20:24:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-11-02 20:24:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-11-02 20:24:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-11-02 20:24:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-02 20:24:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-02 20:24:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-11-02 20:24:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-11-02 20:24:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-11-02 20:24:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-11-02 20:24:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-11-02 20:24:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-11-02 20:24:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-11-02 20:24:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-11-02 20:24:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:24:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:24:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:24:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:24:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-11-02 20:24:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-11-02 20:24:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-11-02 20:24:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-11-02 20:24:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-11-02 20:24:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-11-02 20:24:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-11-02 20:24:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-11-02 20:24:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-02 20:24:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-02 20:24:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:24:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:24:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-11-02 20:24:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-11-02 20:24:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-11-02 20:24:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-11-02 20:24:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-11-02 20:24:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-11-02 20:24:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:24:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-11-02 20:24:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-11-02 20:24:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:24:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:24:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-11-02 20:24:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-11-02 20:24:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-11-02 20:24:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-11-02 20:24:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-02 20:24:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-02 20:24:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-11-02 20:24:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-11-02 20:24:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-11-02 20:24:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-11-02 20:24:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-02 20:24:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-02 20:24:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:24:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:24:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-02 20:24:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-02 20:24:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-02 20:24:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-02 20:24:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-02 20:24:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-02 20:24:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:24:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-11-02 20:24:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-11-02 20:24:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-11-02 20:24:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-11-02 20:24:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-11-02 20:24:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-11-02 20:24:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:24:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:24:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-02 20:24:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-02 20:24:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-11-02 20:24:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-11-02 20:24:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-11-02 20:24:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-11-02 20:24:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-11-02 20:24:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-11-02 20:24:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-11-02 20:24:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-11-02 20:24:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-11-02 20:24:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-11-02 20:24:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-11-02 20:24:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-11-02 20:24:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-11-02 20:24:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-11-02 20:24:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:24:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:24:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-11-02 20:24:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-11-02 20:24:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-11-02 20:24:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-11-02 20:24:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-11-02 20:24:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-11-02 20:24:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-11-02 20:24:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-11-02 20:24:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-11-02 20:24:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-11-02 20:24:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-02 20:24:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-02 20:24:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-11-02 20:24:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-11-02 20:24:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-11-02 20:24:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-11-02 20:24:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 20:24:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 20:24:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-11-02 20:24:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-11-02 20:24:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-11-02 20:24:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-11-02 20:24:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-02 20:24:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-02 20:24:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-11-02 20:24:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-11-02 20:24:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-11-02 20:24:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-11-02 20:24:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:24:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:24:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:24:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:24:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:24:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-11-02 20:24:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-11-02 20:24:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-11-02 20:24:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-11-02 20:24:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-11-02 20:24:16,984 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:24:16,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:25:01,027 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:25:01,057 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:25:01,057 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:25:01,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:01 BoogieIcfgContainer [2022-11-02 20:25:01,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:25:01,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:25:01,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:25:01,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:25:01,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:24:00" (1/3) ... [2022-11-02 20:25:01,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a42560b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:01, skipping insertion in model container [2022-11-02 20:25:01,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:13" (2/3) ... [2022-11-02 20:25:01,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a42560b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:01, skipping insertion in model container [2022-11-02 20:25:01,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:01" (3/3) ... [2022-11-02 20:25:01,076 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-11-02 20:25:01,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:25:01,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:25:01,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:25:01,260 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43bb981d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:25:01,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:25:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 4985 states, 3560 states have (on average 1.3747191011235955) internal successors, (4894), 3629 states have internal predecessors, (4894), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) [2022-11-02 20:25:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 20:25:01,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:25:01,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:25:01,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:25:01,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:01,300 INFO L85 PathProgramCache]: Analyzing trace with hash -717393883, now seen corresponding path program 1 times [2022-11-02 20:25:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:01,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214334565] [2022-11-02 20:25:01,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:01,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:25:02,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:25:02,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214334565] [2022-11-02 20:25:02,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214334565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:25:02,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:25:02,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:25:02,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86218408] [2022-11-02 20:25:02,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:25:02,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:25:02,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:25:02,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:25:02,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:25:02,266 INFO L87 Difference]: Start difference. First operand has 4985 states, 3560 states have (on average 1.3747191011235955) internal successors, (4894), 3629 states have internal predecessors, (4894), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:25:02,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:25:02,897 INFO L93 Difference]: Finished difference Result 10089 states and 15078 transitions. [2022-11-02 20:25:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:25:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-02 20:25:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:25:02,962 INFO L225 Difference]: With dead ends: 10089 [2022-11-02 20:25:02,963 INFO L226 Difference]: Without dead ends: 5081 [2022-11-02 20:25:03,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:25:03,025 INFO L413 NwaCegarLoop]: 7283 mSDtfsCounter, 198 mSDsluCounter, 7256 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 14539 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:25:03,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 14539 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:25:03,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5081 states. [2022-11-02 20:25:03,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5081 to 5051. [2022-11-02 20:25:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5051 states, 3610 states have (on average 1.3731301939058171) internal successors, (4957), 3678 states have internal predecessors, (4957), 1225 states have call successors, (1225), 216 states have call predecessors, (1225), 215 states have return successors, (1206), 1205 states have call predecessors, (1206), 1206 states have call successors, (1206) [2022-11-02 20:25:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5051 states to 5051 states and 7388 transitions. [2022-11-02 20:25:03,700 INFO L78 Accepts]: Start accepts. Automaton has 5051 states and 7388 transitions. Word has length 18 [2022-11-02 20:25:03,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:25:03,700 INFO L495 AbstractCegarLoop]: Abstraction has 5051 states and 7388 transitions. [2022-11-02 20:25:03,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:25:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5051 states and 7388 transitions. [2022-11-02 20:25:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 20:25:03,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:25:03,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:25:03,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:25:03,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:25:03,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1416412498, now seen corresponding path program 1 times [2022-11-02 20:25:03,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:03,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439114236] [2022-11-02 20:25:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:03,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:25:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:25:04,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:25:04,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439114236] [2022-11-02 20:25:04,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439114236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:25:04,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:25:04,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:25:04,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357066998] [2022-11-02 20:25:04,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:25:04,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:25:04,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:25:04,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:25:04,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:25:04,388 INFO L87 Difference]: Start difference. First operand 5051 states and 7388 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:25:05,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:25:05,153 INFO L93 Difference]: Finished difference Result 15033 states and 21994 transitions. [2022-11-02 20:25:05,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:25:05,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-02 20:25:05,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:25:05,233 INFO L225 Difference]: With dead ends: 15033 [2022-11-02 20:25:05,233 INFO L226 Difference]: Without dead ends: 9985 [2022-11-02 20:25:05,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:25:05,269 INFO L413 NwaCegarLoop]: 14253 mSDtfsCounter, 7171 mSDsluCounter, 7166 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7171 SdHoareTripleChecker+Valid, 21419 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:25:05,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7171 Valid, 21419 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:25:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2022-11-02 20:25:05,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 9971. [2022-11-02 20:25:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9971 states, 7144 states have (on average 1.3722004479283314) internal successors, (9803), 7260 states have internal predecessors, (9803), 2403 states have call successors, (2403), 424 states have call predecessors, (2403), 423 states have return successors, (2384), 2384 states have call predecessors, (2384), 2384 states have call successors, (2384) [2022-11-02 20:25:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9971 states to 9971 states and 14590 transitions. [2022-11-02 20:25:05,835 INFO L78 Accepts]: Start accepts. Automaton has 9971 states and 14590 transitions. Word has length 21 [2022-11-02 20:25:05,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:25:05,836 INFO L495 AbstractCegarLoop]: Abstraction has 9971 states and 14590 transitions. [2022-11-02 20:25:05,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:25:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 9971 states and 14590 transitions. [2022-11-02 20:25:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 20:25:05,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:25:05,839 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:25:05,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:25:05,840 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:25:05,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:05,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1846771227, now seen corresponding path program 1 times [2022-11-02 20:25:05,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:05,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091046452] [2022-11-02 20:25:05,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:05,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:25:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:25:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:25:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:25:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:25:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:25:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:25:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:25:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:25:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:25:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-02 20:25:07,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:25:07,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091046452] [2022-11-02 20:25:07,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091046452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:25:07,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:25:07,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:25:07,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565914216] [2022-11-02 20:25:07,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:25:07,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:25:07,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:25:07,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:25:07,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:25:07,055 INFO L87 Difference]: Start difference. First operand 9971 states and 14590 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:25:10,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:12,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:17,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:22,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:27,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:25:29,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:33,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:25:39,295 INFO L93 Difference]: Finished difference Result 20906 states and 30795 transitions. [2022-11-02 20:25:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:25:39,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-11-02 20:25:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:25:39,395 INFO L225 Difference]: With dead ends: 20906 [2022-11-02 20:25:39,395 INFO L226 Difference]: Without dead ends: 10938 [2022-11-02 20:25:39,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:25:39,461 INFO L413 NwaCegarLoop]: 6839 mSDtfsCounter, 7410 mSDsluCounter, 3158 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 2352 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8238 SdHoareTripleChecker+Valid, 9997 SdHoareTripleChecker+Invalid, 4993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2352 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:25:39,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8238 Valid, 9997 Invalid, 4993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2352 Valid, 2634 Invalid, 7 Unknown, 0 Unchecked, 31.3s Time] [2022-11-02 20:25:39,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10938 states. [2022-11-02 20:25:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10938 to 9992. [2022-11-02 20:25:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9992 states, 7158 states have (on average 1.371193070690137) internal successors, (9815), 7274 states have internal predecessors, (9815), 2403 states have call successors, (2403), 431 states have call predecessors, (2403), 430 states have return successors, (2384), 2384 states have call predecessors, (2384), 2384 states have call successors, (2384) [2022-11-02 20:25:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9992 states to 9992 states and 14602 transitions. [2022-11-02 20:25:40,285 INFO L78 Accepts]: Start accepts. Automaton has 9992 states and 14602 transitions. Word has length 91 [2022-11-02 20:25:40,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:25:40,287 INFO L495 AbstractCegarLoop]: Abstraction has 9992 states and 14602 transitions. [2022-11-02 20:25:40,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:25:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9992 states and 14602 transitions. [2022-11-02 20:25:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 20:25:40,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:25:40,298 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:25:40,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:25:40,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:25:40,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:40,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1627916509, now seen corresponding path program 1 times [2022-11-02 20:25:40,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:40,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941807559] [2022-11-02 20:25:40,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:40,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:25:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:25:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:25:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:25:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:25:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:25:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:25:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:25:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:25:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:25:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:25:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-02 20:25:41,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:25:41,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941807559] [2022-11-02 20:25:41,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941807559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:25:41,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:25:41,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:25:41,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994405005] [2022-11-02 20:25:41,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:25:41,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:25:41,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:25:41,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:25:41,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:25:41,276 INFO L87 Difference]: Start difference. First operand 9992 states and 14602 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:25:46,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:48,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:25:56,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:06,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:26:08,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:14,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:22,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:24,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:24,529 INFO L93 Difference]: Finished difference Result 21238 states and 31324 transitions. [2022-11-02 20:26:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:26:24,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2022-11-02 20:26:24,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:24,610 INFO L225 Difference]: With dead ends: 21238 [2022-11-02 20:26:24,611 INFO L226 Difference]: Without dead ends: 11249 [2022-11-02 20:26:24,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:26:24,658 INFO L413 NwaCegarLoop]: 7059 mSDtfsCounter, 1398 mSDsluCounter, 14283 mSDsCounter, 0 mSdLazyCounter, 6676 mSolverCounterSat, 1333 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 21342 SdHoareTripleChecker+Invalid, 8016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1333 IncrementalHoareTripleChecker+Valid, 6676 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:24,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 21342 Invalid, 8016 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1333 Valid, 6676 Invalid, 7 Unknown, 0 Unchecked, 42.3s Time] [2022-11-02 20:26:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11249 states. [2022-11-02 20:26:25,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11249 to 9996. [2022-11-02 20:26:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9996 states, 7162 states have (on average 1.3709857581681095) internal successors, (9819), 7278 states have internal predecessors, (9819), 2403 states have call successors, (2403), 431 states have call predecessors, (2403), 430 states have return successors, (2384), 2384 states have call predecessors, (2384), 2384 states have call successors, (2384) [2022-11-02 20:26:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9996 states to 9996 states and 14606 transitions. [2022-11-02 20:26:25,515 INFO L78 Accepts]: Start accepts. Automaton has 9996 states and 14606 transitions. Word has length 91 [2022-11-02 20:26:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:25,516 INFO L495 AbstractCegarLoop]: Abstraction has 9996 states and 14606 transitions. [2022-11-02 20:26:25,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:26:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9996 states and 14606 transitions. [2022-11-02 20:26:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 20:26:25,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:25,522 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:25,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:26:25,523 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:25,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1234889499, now seen corresponding path program 1 times [2022-11-02 20:26:25,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:25,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078784372] [2022-11-02 20:26:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:25,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:26:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:26:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:26:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:26:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:26:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:26:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:26:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:26:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:26:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:26:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-02 20:26:26,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:26,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078784372] [2022-11-02 20:26:26,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078784372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:26,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:26,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:26:26,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491471484] [2022-11-02 20:26:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:26,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:26:26,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:26:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:26:26,183 INFO L87 Difference]: Start difference. First operand 9996 states and 14606 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:26:29,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:32,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:34,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:39,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:45,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:50,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:26:52,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:26:57,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:04,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:04,892 INFO L93 Difference]: Finished difference Result 12146 states and 17726 transitions. [2022-11-02 20:27:04,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:27:04,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2022-11-02 20:27:04,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:04,962 INFO L225 Difference]: With dead ends: 12146 [2022-11-02 20:27:04,962 INFO L226 Difference]: Without dead ends: 12117 [2022-11-02 20:27:04,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:27:04,969 INFO L413 NwaCegarLoop]: 6977 mSDtfsCounter, 7701 mSDsluCounter, 3492 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 2467 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8631 SdHoareTripleChecker+Valid, 10469 SdHoareTripleChecker+Invalid, 5749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2467 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:04,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8631 Valid, 10469 Invalid, 5749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2467 Valid, 3273 Invalid, 9 Unknown, 0 Unchecked, 37.9s Time] [2022-11-02 20:27:04,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12117 states. [2022-11-02 20:27:05,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12117 to 11088. [2022-11-02 20:27:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11088 states, 7872 states have (on average 1.3544207317073171) internal successors, (10662), 8002 states have internal predecessors, (10662), 2667 states have call successors, (2667), 549 states have call predecessors, (2667), 548 states have return successors, (2648), 2648 states have call predecessors, (2648), 2648 states have call successors, (2648) [2022-11-02 20:27:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11088 states to 11088 states and 15977 transitions. [2022-11-02 20:27:05,780 INFO L78 Accepts]: Start accepts. Automaton has 11088 states and 15977 transitions. Word has length 91 [2022-11-02 20:27:05,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:05,781 INFO L495 AbstractCegarLoop]: Abstraction has 11088 states and 15977 transitions. [2022-11-02 20:27:05,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:27:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11088 states and 15977 transitions. [2022-11-02 20:27:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 20:27:05,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:05,790 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:05,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:27:05,791 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1177631197, now seen corresponding path program 1 times [2022-11-02 20:27:05,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:05,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182453484] [2022-11-02 20:27:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:27:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:27:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:27:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:27:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:27:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:27:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:27:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:27:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:27:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:27:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-11-02 20:27:06,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:06,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182453484] [2022-11-02 20:27:06,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182453484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:06,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:06,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:27:06,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757578836] [2022-11-02 20:27:06,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:06,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:27:06,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:06,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:27:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:27:06,578 INFO L87 Difference]: Start difference. First operand 11088 states and 15977 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:27:10,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:12,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:17,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:25,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:27:27,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:31,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:38,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:38,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:38,865 INFO L93 Difference]: Finished difference Result 12098 states and 17666 transitions. [2022-11-02 20:27:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:27:38,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 91 [2022-11-02 20:27:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:38,933 INFO L225 Difference]: With dead ends: 12098 [2022-11-02 20:27:38,933 INFO L226 Difference]: Without dead ends: 12095 [2022-11-02 20:27:38,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:27:38,943 INFO L413 NwaCegarLoop]: 6814 mSDtfsCounter, 7414 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 2356 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8244 SdHoareTripleChecker+Valid, 9968 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2356 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:38,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8244 Valid, 9968 Invalid, 4998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2356 Valid, 2635 Invalid, 7 Unknown, 0 Unchecked, 31.4s Time] [2022-11-02 20:27:38,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12095 states. [2022-11-02 20:27:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12095 to 11087. [2022-11-02 20:27:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11087 states, 7872 states have (on average 1.3542936991869918) internal successors, (10661), 8001 states have internal predecessors, (10661), 2666 states have call successors, (2666), 549 states have call predecessors, (2666), 548 states have return successors, (2648), 2648 states have call predecessors, (2648), 2648 states have call successors, (2648) [2022-11-02 20:27:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11087 states to 11087 states and 15975 transitions. [2022-11-02 20:27:39,835 INFO L78 Accepts]: Start accepts. Automaton has 11087 states and 15975 transitions. Word has length 91 [2022-11-02 20:27:39,837 INFO L84 Accepts]: Finished accepts. word is rejected.