./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y --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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:53:39,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:53:39,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:53:39,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:53:39,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:53:39,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:53:39,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:53:39,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:53:39,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:53:39,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:53:39,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:53:39,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:53:39,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:53:39,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:53:39,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:53:39,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:53:39,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:53:39,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:53:39,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:53:39,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:53:39,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:53:39,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:53:39,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:53:39,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:53:39,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:53:39,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:53:39,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:53:39,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:53:39,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:53:39,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:53:39,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:53:39,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:53:39,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:53:39,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:53:39,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:53:39,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:53:39,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:53:39,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:53:39,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:53:39,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:53:39,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:53:39,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:53:39,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:53:39,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:53:39,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:53:39,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:53:39,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:53:39,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:53:39,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:53:39,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:53:39,782 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:53:39,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:53:39,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:53:39,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:53:39,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:53:39,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:53:39,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:53:39,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:53:39,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:53:39,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:53:39,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:53:39,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:53:39,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:53:39,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:53:39,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:53:39,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:53:39,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:53:39,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:53:39,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:53:39,787 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:53:39,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:53:39,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:53:39,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:53:39,789 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_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2021-11-13 17:53:40,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:53:40,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:53:40,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:53:40,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:53:40,139 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:53:40,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-13 17:53:40,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/data/f95d881fa/7acc6d9be0334439a82a1365b90b206c/FLAGaedb07fe0 [2021-11-13 17:53:41,528 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:53:41,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-13 17:53:41,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/data/f95d881fa/7acc6d9be0334439a82a1365b90b206c/FLAGaedb07fe0 [2021-11-13 17:53:42,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/data/f95d881fa/7acc6d9be0334439a82a1365b90b206c [2021-11-13 17:53:42,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:53:42,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:53:42,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:53:42,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:53:42,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:53:42,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:53:42" (1/1) ... [2021-11-13 17:53:42,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b361619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:42, skipping insertion in model container [2021-11-13 17:53:42,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:53:42" (1/1) ... [2021-11-13 17:53:42,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:53:42,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:53:44,972 WARN L228 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_8369a8d4-9a3b-4b96-90c8-d134526e41fc/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-11-13 17:53:48,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:53:49,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:53:49,257 WARN L228 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_8369a8d4-9a3b-4b96-90c8-d134526e41fc/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-11-13 17:53:49,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:53:50,715 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:53:50,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50 WrapperNode [2021-11-13 17:53:50,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:53:50,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:53:50,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:53:50,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:53:50,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:50,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:51,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:53:51,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:53:51,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:53:51,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:53:51,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:51,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:51,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:51,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:52,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:52,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:52,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:52,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:53:52,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:53:52,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:53:52,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:53:52,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (1/1) ... [2021-11-13 17:53:52,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:53:52,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:53:52,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:53:52,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:53:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 17:53:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 17:53:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-13 17:53:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-13 17:53:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-13 17:53:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-13 17:53:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-13 17:53:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-13 17:53:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-13 17:53:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-13 17:53:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-13 17:53:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-13 17:53:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-13 17:53:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:53:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:53:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-13 17:53:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-13 17:53:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-13 17:53:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-13 17:53:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-13 17:53:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-13 17:53:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-13 17:53:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-13 17:53:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-13 17:53:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-13 17:53:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 17:53:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 17:53:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-13 17:53:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-13 17:53:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-13 17:53:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-13 17:53:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-13 17:53:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-13 17:53:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 17:53:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 17:53:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-13 17:53:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-13 17:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 17:53:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 17:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 17:53:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 17:53:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 17:53:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 17:53:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-13 17:53:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-13 17:53:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-13 17:53:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-13 17:53:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 17:53:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 17:53:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-13 17:53:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-13 17:53:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-13 17:53:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-13 17:53:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-13 17:53:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-13 17:53:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-13 17:53:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-13 17:53:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-13 17:53:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-13 17:53:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-13 17:53:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-13 17:53:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 17:53:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 17:53:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-13 17:53:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-13 17:53:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 17:53:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 17:53:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 17:53:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 17:53:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2021-11-13 17:53:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2021-11-13 17:53:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-13 17:53:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-13 17:53:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 17:53:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 17:53:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-13 17:53:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-13 17:53:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-13 17:53:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-13 17:53:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-13 17:53:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 17:53:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 17:53:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 17:53:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 17:53:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:53:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 17:53:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 17:53:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-13 17:53:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-13 17:53:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-13 17:53:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-13 17:53:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-13 17:53:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-13 17:53:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-13 17:53:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-13 17:53:52,993 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-13 17:53:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-13 17:53:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-13 17:53:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-13 17:53:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 17:53:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 17:53:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-13 17:53:52,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-13 17:53:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-13 17:53:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-13 17:53:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-13 17:53:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-13 17:53:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 17:53:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 17:53:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-13 17:53:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-13 17:53:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 17:53:52,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 17:53:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-13 17:53:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-13 17:53:52,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-13 17:53:52,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-13 17:53:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:53:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-13 17:53:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-13 17:53:53,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-13 17:53:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-13 17:53:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 17:53:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 17:53:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 17:53:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 17:53:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-13 17:53:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-13 17:53:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-13 17:53:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-13 17:53:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-13 17:53:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-13 17:53:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:53:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-13 17:53:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-13 17:53:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:53:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 17:53:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 17:53:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-13 17:53:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-13 17:53:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-13 17:53:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-13 17:53:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:53:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:53:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 17:53:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 17:53:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-13 17:53:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-13 17:53:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-13 17:53:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-13 17:53:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-13 17:53:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-13 17:53:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-13 17:53:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-13 17:53:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-13 17:53:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-13 17:53:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-13 17:53:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-13 17:53:53,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-13 17:53:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-13 17:53:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 17:53:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 17:53:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 17:53:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 17:53:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-13 17:53:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-13 17:53:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-13 17:53:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-13 17:53:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-13 17:53:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-13 17:53:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-13 17:53:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:53:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-13 17:53:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-13 17:53:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-13 17:53:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-13 17:53:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-13 17:53:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-13 17:53:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 17:53:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 17:53:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-13 17:53:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-13 17:53:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:53:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:53:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:53:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 17:53:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-13 17:53:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-13 17:53:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-13 17:53:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-13 17:53:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:53:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:53:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-13 17:53:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-13 17:53:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 17:53:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 17:53:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-13 17:53:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-13 17:53:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 17:53:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 17:53:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-13 17:53:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-13 17:53:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-13 17:53:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-13 17:53:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 17:53:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 17:53:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-13 17:53:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-13 17:53:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 17:53:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 17:53:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-13 17:53:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-13 17:53:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 17:53:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 17:53:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 17:53:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 17:53:53,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-13 17:53:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-13 17:53:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-13 17:53:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-13 17:53:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-13 17:53:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-13 17:53:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-13 17:53:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-13 17:53:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-13 17:53:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-13 17:53:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 17:53:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 17:53:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 17:53:53,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 17:53:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-13 17:53:53,034 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-13 17:53:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:53:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:53:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-13 17:53:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-13 17:53:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-13 17:53:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-13 17:53:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-13 17:53:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-13 17:53:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-13 17:53:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-13 17:53:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 17:53:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 17:53:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-13 17:53:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-13 17:53:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:53:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:53:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:53:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:53:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-13 17:53:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-13 17:53:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-13 17:53:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-13 17:53:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 17:53:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 17:53:53,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-13 17:53:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-13 17:53:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-13 17:53:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-13 17:53:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 17:53:53,047 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 17:53:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 17:53:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 17:53:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-13 17:53:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-13 17:53:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 17:53:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-13 17:53:53,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-13 17:53:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 17:53:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 17:53:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-13 17:53:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-13 17:53:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-13 17:53:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-13 17:53:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-13 17:53:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-13 17:53:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-13 17:53:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-13 17:53:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-13 17:53:53,050 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-13 17:53:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 17:53:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 17:53:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 17:53:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 17:53:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-11-13 17:53:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-11-13 17:53:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-13 17:53:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-13 17:53:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 17:53:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 17:53:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-13 17:53:53,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-13 17:53:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-13 17:53:53,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-13 17:53:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 17:53:53,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 17:53:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:53:53,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:53:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-13 17:53:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-13 17:53:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-13 17:53:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-13 17:53:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 17:53:53,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 17:53:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-13 17:53:53,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-13 17:53:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 17:53:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 17:53:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-13 17:53:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-13 17:53:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-13 17:53:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-13 17:53:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 17:53:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 17:53:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-13 17:53:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-13 17:53:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-13 17:53:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-13 17:53:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-13 17:53:53,063 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-13 17:53:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:53:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 17:53:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 17:53:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-13 17:53:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-13 17:53:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 17:53:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 17:53:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-13 17:53:53,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-13 17:53:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 17:53:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 17:53:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-13 17:53:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-13 17:53:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-13 17:53:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-13 17:53:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:53:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-13 17:53:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-13 17:53:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-13 17:53:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-13 17:53:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-13 17:53:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-13 17:53:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-13 17:53:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-13 17:53:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-13 17:53:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-13 17:53:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-13 17:53:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-13 17:53:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:53:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-13 17:53:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-13 17:53:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-13 17:53:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-13 17:53:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 17:53:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 17:53:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-13 17:53:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-13 17:53:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 17:53:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 17:53:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 17:53:53,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 17:53:53,068 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 17:53:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 17:53:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-13 17:53:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-13 17:53:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:53:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:53:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-13 17:53:53,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-13 17:53:53,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-13 17:53:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-13 17:53:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-13 17:53:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-13 17:53:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-13 17:53:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-13 17:53:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 17:53:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 17:53:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 17:53:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 17:53:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 17:53:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 17:53:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-13 17:53:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-13 17:53:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-13 17:53:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-13 17:53:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-13 17:53:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-13 17:53:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-13 17:53:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-13 17:53:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-13 17:53:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-13 17:53:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 17:53:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 17:53:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-13 17:53:53,072 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-13 17:53:53,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-13 17:53:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-13 17:53:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:53:53,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 17:53:53,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-13 17:53:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-13 17:53:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-13 17:53:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-13 17:53:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:53:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-13 17:53:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-13 17:53:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-13 17:53:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-13 17:53:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:53:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:53:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-13 17:53:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-13 17:53:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-13 17:53:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-13 17:53:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-13 17:53:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-13 17:53:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 17:53:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 17:53:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 17:53:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 17:53:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-13 17:53:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-13 17:53:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-13 17:53:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-13 17:53:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 17:53:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 17:53:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-13 17:53:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-13 17:53:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-13 17:53:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-13 17:53:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 17:53:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 17:53:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-13 17:53:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-13 17:53:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-13 17:53:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-13 17:53:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-13 17:53:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-13 17:53:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-13 17:53:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-13 17:53:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-13 17:53:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-13 17:53:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 17:53:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 17:53:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-13 17:53:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-13 17:53:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-13 17:53:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-13 17:53:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-13 17:53:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-13 17:53:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-13 17:53:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-13 17:53:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-13 17:53:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-13 17:53:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 17:53:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 17:53:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-13 17:53:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-13 17:53:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 17:53:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 17:53:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-13 17:53:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-13 17:53:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-13 17:53:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-13 17:53:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-13 17:53:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-13 17:53:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-13 17:53:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-13 17:53:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 17:53:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 17:53:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 17:53:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 17:53:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:53:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-13 17:53:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-13 17:53:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-13 17:53:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-13 17:53:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-13 17:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-13 17:53:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-13 17:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-13 17:53:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-13 17:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-13 17:53:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-13 17:53:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-13 17:53:55,511 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:55:06,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:55:06,515 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 17:55:06,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:06 BoogieIcfgContainer [2021-11-13 17:55:06,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:55:06,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:55:06,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:55:06,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:55:06,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:53:42" (1/3) ... [2021-11-13 17:55:06,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b7a3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:06, skipping insertion in model container [2021-11-13 17:55:06,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:50" (2/3) ... [2021-11-13 17:55:06,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b7a3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:06, skipping insertion in model container [2021-11-13 17:55:06,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:06" (3/3) ... [2021-11-13 17:55:06,535 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-13 17:55:06,542 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:55:06,542 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:55:06,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:55:06,637 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:55:06,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:55:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2021-11-13 17:55:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 17:55:06,806 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:55:06,807 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:06,808 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:55:06,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:06,814 INFO L85 PathProgramCache]: Analyzing trace with hash 581054647, now seen corresponding path program 1 times [2021-11-13 17:55:06,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:06,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879068663] [2021-11-13 17:55:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:06,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:55:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:55:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:55:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:55:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 17:55:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:55:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:55:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-13 17:55:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 17:55:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-13 17:55:09,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:09,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879068663] [2021-11-13 17:55:09,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879068663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:09,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:09,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:55:09,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803363399] [2021-11-13 17:55:09,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:09,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:55:09,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:09,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:55:09,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:55:09,178 INFO L87 Difference]: Start difference. First operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-13 17:55:11,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:13,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:15,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:37,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:41,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:43,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:47,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:57,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:55:59,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:01,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:03,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:05,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:07,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:10,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:12,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:18,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:56:24,654 INFO L93 Difference]: Finished difference Result 16306 states and 24621 transitions. [2021-11-13 17:56:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:56:24,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2021-11-13 17:56:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:56:24,819 INFO L225 Difference]: With dead ends: 16306 [2021-11-13 17:56:24,819 INFO L226 Difference]: Without dead ends: 11352 [2021-11-13 17:56:24,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:56:24,873 INFO L933 BasicCegarLoop]: 7451 mSDtfsCounter, 14069 mSDsluCounter, 10976 mSDsCounter, 0 mSdLazyCounter, 8992 mSolverCounterSat, 8166 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66945.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14803 SdHoareTripleChecker+Valid, 18427 SdHoareTripleChecker+Invalid, 17173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 294.36ms SdHoareTripleChecker+Time, 8166 IncrementalHoareTripleChecker+Valid, 8992 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73784.25ms IncrementalHoareTripleChecker+Time [2021-11-13 17:56:24,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14803 Valid, 18427 Invalid, 17173 Unknown, 0 Unchecked, 294.36ms Time], IncrementalHoareTripleChecker [8166 Valid, 8992 Invalid, 15 Unknown, 0 Unchecked, 73784.25ms Time] [2021-11-13 17:56:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11352 states. [2021-11-13 17:56:25,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11352 to 10018. [2021-11-13 17:56:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10018 states, 7118 states have (on average 1.3728575442540039) internal successors, (9772), 7252 states have internal predecessors, (9772), 2412 states have call successors, (2412), 463 states have call predecessors, (2412), 487 states have return successors, (2557), 2397 states have call predecessors, (2557), 2411 states have call successors, (2557) [2021-11-13 17:56:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10018 states to 10018 states and 14741 transitions. [2021-11-13 17:56:25,881 INFO L78 Accepts]: Start accepts. Automaton has 10018 states and 14741 transitions. Word has length 76 [2021-11-13 17:56:25,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:56:25,884 INFO L470 AbstractCegarLoop]: Abstraction has 10018 states and 14741 transitions. [2021-11-13 17:56:25,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-13 17:56:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 10018 states and 14741 transitions. [2021-11-13 17:56:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 17:56:25,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:56:25,896 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:56:25,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:56:25,897 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:56:25,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:25,898 INFO L85 PathProgramCache]: Analyzing trace with hash -255162799, now seen corresponding path program 1 times [2021-11-13 17:56:25,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:56:25,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997725187] [2021-11-13 17:56:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:56:25,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:56:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:56:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:56:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:56:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:56:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 17:56:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:56:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:56:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-13 17:56:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 17:56:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:56:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-13 17:56:27,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:56:27,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997725187] [2021-11-13 17:56:27,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997725187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:27,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:27,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:56:27,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508348954] [2021-11-13 17:56:27,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:27,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:56:27,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:56:27,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:56:27,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:56:27,505 INFO L87 Difference]: Start difference. First operand 10018 states and 14741 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 17:56:29,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:31,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:56:39,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:00,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:02,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:15,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:17,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:20,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:23,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:25,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:27,874 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:30,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:57:41,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:57:41,555 INFO L93 Difference]: Finished difference Result 32611 states and 49043 transitions. [2021-11-13 17:57:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:57:41,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2021-11-13 17:57:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:57:41,789 INFO L225 Difference]: With dead ends: 32611 [2021-11-13 17:57:41,789 INFO L226 Difference]: Without dead ends: 22610 [2021-11-13 17:57:41,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:57:41,892 INFO L933 BasicCegarLoop]: 7879 mSDtfsCounter, 13642 mSDsluCounter, 25101 mSDsCounter, 0 mSdLazyCounter, 14509 mSolverCounterSat, 7864 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65244.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14358 SdHoareTripleChecker+Valid, 32980 SdHoareTripleChecker+Invalid, 22384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 285.90ms SdHoareTripleChecker+Time, 7864 IncrementalHoareTripleChecker+Valid, 14509 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72369.19ms IncrementalHoareTripleChecker+Time [2021-11-13 17:57:41,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14358 Valid, 32980 Invalid, 22384 Unknown, 0 Unchecked, 285.90ms Time], IncrementalHoareTripleChecker [7864 Valid, 14509 Invalid, 11 Unknown, 0 Unchecked, 72369.19ms Time] [2021-11-13 17:57:41,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22610 states. [2021-11-13 17:57:43,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22610 to 20026. [2021-11-13 17:57:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20026 states, 14219 states have (on average 1.3727406990646318) internal successors, (19519), 14491 states have internal predecessors, (19519), 4816 states have call successors, (4816), 925 states have call predecessors, (4816), 990 states have return successors, (5262), 4799 states have call predecessors, (5262), 4815 states have call successors, (5262) [2021-11-13 17:57:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20026 states to 20026 states and 29597 transitions. [2021-11-13 17:57:43,458 INFO L78 Accepts]: Start accepts. Automaton has 20026 states and 29597 transitions. Word has length 79 [2021-11-13 17:57:43,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:57:43,459 INFO L470 AbstractCegarLoop]: Abstraction has 20026 states and 29597 transitions. [2021-11-13 17:57:43,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 17:57:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 20026 states and 29597 transitions. [2021-11-13 17:57:43,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-13 17:57:43,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:57:43,534 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:57:43,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:57:43,535 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:57:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:57:43,536 INFO L85 PathProgramCache]: Analyzing trace with hash -527128406, now seen corresponding path program 1 times [2021-11-13 17:57:43,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:57:43,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813902625] [2021-11-13 17:57:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:57:43,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:57:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:57:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:57:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:57:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:57:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 17:57:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:57:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:57:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-13 17:57:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 17:57:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:57:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 17:57:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:57:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 17:57:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 17:57:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 17:57:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:57:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:57:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:57:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 17:57:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 17:57:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:57:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:57:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:57:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 17:57:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:57:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 17:57:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-13 17:57:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-13 17:57:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-13 17:57:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:57:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:57:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 17:57:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:57:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 17:57:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 17:57:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-13 17:57:46,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:57:46,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813902625] [2021-11-13 17:57:46,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813902625] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:57:46,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614066920] [2021-11-13 17:57:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:57:46,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:57:46,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:57:46,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:57:46,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:57:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:51,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 9848 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:57:51,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:57:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-13 17:57:52,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:57:52,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614066920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:57:52,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:57:52,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2021-11-13 17:57:52,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603708175] [2021-11-13 17:57:52,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:57:52,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:57:52,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:57:52,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:57:52,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-13 17:57:52,194 INFO L87 Difference]: Start difference. First operand 20026 states and 29597 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 17:57:53,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:57:53,593 INFO L93 Difference]: Finished difference Result 58634 states and 86711 transitions. [2021-11-13 17:57:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:57:53,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 346 [2021-11-13 17:57:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:57:53,912 INFO L225 Difference]: With dead ends: 58634 [2021-11-13 17:57:53,913 INFO L226 Difference]: Without dead ends: 38630 [2021-11-13 17:57:54,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-13 17:57:54,057 INFO L933 BasicCegarLoop]: 8229 mSDtfsCounter, 6603 mSDsluCounter, 7064 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 364.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6603 SdHoareTripleChecker+Valid, 15293 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.79ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 410.04ms IncrementalHoareTripleChecker+Time [2021-11-13 17:57:54,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6603 Valid, 15293 Invalid, 45 Unknown, 0 Unchecked, 24.79ms Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 410.04ms Time] [2021-11-13 17:57:54,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38630 states. [2021-11-13 17:57:56,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38630 to 38618. [2021-11-13 17:57:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38618 states, 27469 states have (on average 1.3753685973278968) internal successors, (37780), 28007 states have internal predecessors, (37780), 9232 states have call successors, (9232), 1785 states have call predecessors, (9232), 1916 states have return successors, (10090), 9197 states have call predecessors, (10090), 9231 states have call successors, (10090) [2021-11-13 17:57:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38618 states to 38618 states and 57102 transitions. [2021-11-13 17:57:57,087 INFO L78 Accepts]: Start accepts. Automaton has 38618 states and 57102 transitions. Word has length 346 [2021-11-13 17:57:57,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:57:57,088 INFO L470 AbstractCegarLoop]: Abstraction has 38618 states and 57102 transitions. [2021-11-13 17:57:57,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 17:57:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 38618 states and 57102 transitions. [2021-11-13 17:57:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-13 17:57:57,510 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:57:57,511 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:57:57,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:57:57,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:57:57,727 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:57:57,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:57:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1536628174, now seen corresponding path program 1 times [2021-11-13 17:57:57,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:57:57,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985443444] [2021-11-13 17:57:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:57:57,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:57:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:57:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:57:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:57:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:57:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 17:57:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:57:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:57:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-13 17:57:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 17:57:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-13 17:57:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:57:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:57:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:57:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:57:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:57:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:57:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 17:58:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 17:58:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:58:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:58:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:58:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 17:58:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:58:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 17:58:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-13 17:58:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-13 17:58:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-13 17:58:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:58:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:58:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 17:58:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:58:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 17:58:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 17:58:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-13 17:58:00,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:58:00,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985443444] [2021-11-13 17:58:00,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985443444] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:58:00,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600148094] [2021-11-13 17:58:00,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:58:00,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:58:00,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:58:00,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:58:00,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:58:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:05,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 9840 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:58:05,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:58:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-13 17:58:07,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:58:07,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600148094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:58:07,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:58:07,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2021-11-13 17:58:07,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823585496] [2021-11-13 17:58:07,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:58:07,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:58:07,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:58:07,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:58:07,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-11-13 17:58:07,017 INFO L87 Difference]: Start difference. First operand 38618 states and 57102 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 17:58:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:58:10,058 INFO L93 Difference]: Finished difference Result 113838 states and 168324 transitions. [2021-11-13 17:58:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:58:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 339 [2021-11-13 17:58:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:58:10,681 INFO L225 Difference]: With dead ends: 113838 [2021-11-13 17:58:10,681 INFO L226 Difference]: Without dead ends: 75242 [2021-11-13 17:58:11,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-11-13 17:58:11,188 INFO L933 BasicCegarLoop]: 8582 mSDtfsCounter, 6706 mSDsluCounter, 6964 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 510.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6706 SdHoareTripleChecker+Valid, 15546 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.95ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 586.35ms IncrementalHoareTripleChecker+Time [2021-11-13 17:58:11,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6706 Valid, 15546 Invalid, 181 Unknown, 0 Unchecked, 28.95ms Time], IncrementalHoareTripleChecker [41 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 586.35ms Time] [2021-11-13 17:58:11,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75242 states. [2021-11-13 17:58:15,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75242 to 75206. [2021-11-13 17:58:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75206 states, 53599 states have (on average 1.3733278605944141) internal successors, (73609), 54683 states have internal predecessors, (73609), 17858 states have call successors, (17858), 3497 states have call predecessors, (17858), 3748 states have return successors, (19475), 17769 states have call predecessors, (19475), 17857 states have call successors, (19475) [2021-11-13 17:58:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75206 states to 75206 states and 110942 transitions. [2021-11-13 17:58:16,346 INFO L78 Accepts]: Start accepts. Automaton has 75206 states and 110942 transitions. Word has length 339 [2021-11-13 17:58:16,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:58:16,347 INFO L470 AbstractCegarLoop]: Abstraction has 75206 states and 110942 transitions. [2021-11-13 17:58:16,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 17:58:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 75206 states and 110942 transitions. [2021-11-13 17:58:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-13 17:58:16,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:58:16,449 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:58:16,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:58:16,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:58:16,679 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:58:16,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:58:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2041213403, now seen corresponding path program 1 times [2021-11-13 17:58:16,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:58:16,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444805254] [2021-11-13 17:58:16,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:58:16,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:58:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:58:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:58:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:58:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:58:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 17:58:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:58:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:58:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-13 17:58:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 17:58:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-13 17:58:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 17:58:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 17:58:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 17:58:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:58:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:58:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 17:58:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:58:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:58:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 17:58:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 17:58:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-13 17:58:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 17:58:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 17:58:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:58:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 17:58:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-13 17:58:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:58:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-13 17:58:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:58:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-13 17:58:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 17:58:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:58:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-13 17:58:18,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:58:18,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444805254] [2021-11-13 17:58:18,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444805254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:58:18,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:58:18,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 17:58:18,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830086146] [2021-11-13 17:58:18,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:58:18,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:58:18,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:58:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:58:18,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:58:18,624 INFO L87 Difference]: Start difference. First operand 75206 states and 110942 transitions. Second operand has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 17:58:20,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:23,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:25,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:58:27,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:14,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:18,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:20,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:22,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:24,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:27,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:33,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:35,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:37,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:40,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:47,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:48,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:50,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:52,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:59:58,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:00,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:04,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:07,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:00:21,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:21,121 INFO L93 Difference]: Finished difference Result 239312 states and 359269 transitions. [2021-11-13 18:00:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:00:21,121 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 264 [2021-11-13 18:00:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:22,527 INFO L225 Difference]: With dead ends: 239312 [2021-11-13 18:00:22,528 INFO L226 Difference]: Without dead ends: 164128 [2021-11-13 18:00:22,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-11-13 18:00:22,832 INFO L933 BasicCegarLoop]: 8678 mSDtfsCounter, 18572 mSDsluCounter, 15435 mSDsCounter, 0 mSdLazyCounter, 19538 mSolverCounterSat, 13705 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103737.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19308 SdHoareTripleChecker+Valid, 24113 SdHoareTripleChecker+Invalid, 33260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 337.49ms SdHoareTripleChecker+Time, 13705 IncrementalHoareTripleChecker+Valid, 19538 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114738.06ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:22,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19308 Valid, 24113 Invalid, 33260 Unknown, 0 Unchecked, 337.49ms Time], IncrementalHoareTripleChecker [13705 Valid, 19538 Invalid, 17 Unknown, 0 Unchecked, 114738.06ms Time] [2021-11-13 18:00:23,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164128 states. [2021-11-13 18:00:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164128 to 143946. [2021-11-13 18:00:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143946 states, 102695 states have (on average 1.3736890793125274) internal successors, (141071), 104755 states have internal predecessors, (141071), 34046 states have call successors, (34046), 6737 states have call predecessors, (34046), 7204 states have return successors, (36927), 33843 states have call predecessors, (36927), 34045 states have call successors, (36927) [2021-11-13 18:00:30,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143946 states to 143946 states and 212044 transitions. [2021-11-13 18:00:31,001 INFO L78 Accepts]: Start accepts. Automaton has 143946 states and 212044 transitions. Word has length 264 [2021-11-13 18:00:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:00:31,002 INFO L470 AbstractCegarLoop]: Abstraction has 143946 states and 212044 transitions. [2021-11-13 18:00:31,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:00:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 143946 states and 212044 transitions. [2021-11-13 18:00:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-13 18:00:31,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:00:31,124 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:00:31,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:00:31,125 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:00:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:00:31,126 INFO L85 PathProgramCache]: Analyzing trace with hash -286552031, now seen corresponding path program 1 times [2021-11-13 18:00:31,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:00:31,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302139927] [2021-11-13 18:00:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:31,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:00:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:00:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:00:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:00:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 18:00:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 18:00:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:00:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 18:00:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-13 18:00:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-13 18:00:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-13 18:00:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:00:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-13 18:00:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:00:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 18:00:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:00:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:00:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-13 18:00:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:00:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:00:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 18:00:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 18:00:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:00:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:00:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:00:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:00:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:00:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 18:00:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:00:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 18:00:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 18:00:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-13 18:00:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:00:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:00:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 18:00:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-13 18:00:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-13 18:00:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-13 18:00:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 18:00:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:00:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:00:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:00:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:00:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:00:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:00:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-11-13 18:00:34,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:00:34,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302139927] [2021-11-13 18:00:34,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302139927] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:00:34,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610957724] [2021-11-13 18:00:34,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:00:34,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:00:34,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:00:34,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:00:34,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8369a8d4-9a3b-4b96-90c8-d134526e41fc/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 18:00:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:00:38,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 10157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:00:38,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:00:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2021-11-13 18:00:39,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:00:39,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610957724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:00:39,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:00:39,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2021-11-13 18:00:39,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112129649] [2021-11-13 18:00:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:00:39,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:00:39,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:00:39,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:00:39,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-13 18:00:39,801 INFO L87 Difference]: Start difference. First operand 143946 states and 212044 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-13 18:00:49,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:00:49,547 INFO L93 Difference]: Finished difference Result 359606 states and 529792 transitions. [2021-11-13 18:00:49,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:00:49,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 412 [2021-11-13 18:00:49,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:00:51,481 INFO L225 Difference]: With dead ends: 359606 [2021-11-13 18:00:51,481 INFO L226 Difference]: Without dead ends: 215682 [2021-11-13 18:00:52,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-13 18:00:52,002 INFO L933 BasicCegarLoop]: 8857 mSDtfsCounter, 6940 mSDsluCounter, 6744 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 316.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6940 SdHoareTripleChecker+Valid, 15601 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.12ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 361.52ms IncrementalHoareTripleChecker+Time [2021-11-13 18:00:52,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6940 Valid, 15601 Invalid, 45 Unknown, 0 Unchecked, 31.12ms Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 361.52ms Time] [2021-11-13 18:00:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215682 states.