./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:32:29,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:32:29,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:32:29,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:32:29,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:32:29,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:32:29,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:32:29,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:32:29,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:32:29,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:32:29,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:32:29,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:32:29,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:32:29,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:32:29,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:32:29,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:32:29,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:32:29,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:32:29,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:32:29,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:32:29,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:32:29,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:32:29,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:32:29,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:32:29,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:32:29,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:32:29,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:32:29,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:32:29,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:32:29,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:32:29,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:32:29,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:32:29,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:32:29,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:32:29,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:32:29,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:32:29,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:32:29,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:32:29,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:32:29,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:32:29,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:32:29,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:32:29,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:32:29,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:32:29,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:32:29,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:32:29,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:32:29,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:32:29,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:32:29,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:32:29,846 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:32:29,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:32:29,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:32:29,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:32:29,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:32:29,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:32:29,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:32:29,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:32:29,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:32:29,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:32:29,849 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_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 [2021-12-06 20:32:30,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:32:30,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:32:30,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:32:30,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:32:30,047 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:32:30,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2021-12-06 20:32:30,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/data/b7ab48370/50d3ec9034674978851c32ecc69db505/FLAGf58ecc503 [2021-12-06 20:32:30,815 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:32:30,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2021-12-06 20:32:30,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/data/b7ab48370/50d3ec9034674978851c32ecc69db505/FLAGf58ecc503 [2021-12-06 20:32:31,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/data/b7ab48370/50d3ec9034674978851c32ecc69db505 [2021-12-06 20:32:31,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:32:31,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:32:31,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:32:31,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:32:31,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:32:31,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:32:31" (1/1) ... [2021-12-06 20:32:31,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fef792f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:31, skipping insertion in model container [2021-12-06 20:32:31,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:32:31" (1/1) ... [2021-12-06 20:32:31,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:32:31,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:32:36,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2021-12-06 20:32:36,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:32:36,476 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:32:36,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2021-12-06 20:32:36,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:32:37,280 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:32:37,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37 WrapperNode [2021-12-06 20:32:37,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:32:37,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:32:37,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:32:37,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:32:37,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,631 INFO L137 Inliner]: procedures = 720, calls = 7789, calls flagged for inlining = 365, calls inlined = 99, statements flattened = 7352 [2021-12-06 20:32:37,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:32:37,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:32:37,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:32:37,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:32:37,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:32:37,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:32:37,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:32:37,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:32:37,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (1/1) ... [2021-12-06 20:32:37,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:32:37,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:32:37,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:32:37,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8496338c-9e33-492c-87a1-db2824e62ef3/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:32:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-12-06 20:32:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-12-06 20:32:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-12-06 20:32:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-12-06 20:32:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_excluded [2021-12-06 20:32:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_excluded [2021-12-06 20:32:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-12-06 20:32:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-12-06 20:32:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-06 20:32:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-06 20:32:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 20:32:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 20:32:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-06 20:32:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-06 20:32:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 20:32:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-12-06 20:32:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-12-06 20:32:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_write_object [2021-12-06 20:32:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_write_object [2021-12-06 20:32:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 20:32:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 20:32:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 20:32:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 20:32:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:32:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_redboot [2021-12-06 20:32:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_redboot [2021-12-06 20:32:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_file [2021-12-06 20:32:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_file [2021-12-06 20:32:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:32:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:32:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 20:32:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 20:32:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure be_cq_notify [2021-12-06 20:32:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cq_notify [2021-12-06 20:32:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:32:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2021-12-06 20:32:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2021-12-06 20:32:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 20:32:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 20:32:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:32:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_msg_level [2021-12-06 20:32:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_msg_level [2021-12-06 20:32:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-06 20:32:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-06 20:32:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:32:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure be_loopback_test [2021-12-06 20:32:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure be_loopback_test [2021-12-06 20:32:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:32:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:32:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-12-06 20:32:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-12-06 20:32:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-12-06 20:32:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-12-06 20:32:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 20:32:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 20:32:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-12-06 20:32:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-12-06 20:32:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-12-06 20:32:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-12-06 20:32:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure be_decode_resp_hdr [2021-12-06 20:32:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure be_decode_resp_hdr [2021-12-06 20:32:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:32:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 20:32:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 20:32:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:32:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-06 20:32:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-06 20:32:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_allowed [2021-12-06 20:32:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_allowed [2021-12-06 20:32:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure be_pause_supported [2021-12-06 20:32:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure be_pause_supported [2021-12-06 20:32:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 20:32:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 20:32:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure convert_to_et_setting [2021-12-06 20:32:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_to_et_setting [2021-12-06 20:32:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_node [2021-12-06 20:32:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_node [2021-12-06 20:32:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_BEx [2021-12-06 20:32:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_BEx [2021-12-06 20:32:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsec_info [2021-12-06 20:32:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsec_info [2021-12-06 20:32:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-06 20:32:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-06 20:32:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure be_error [2021-12-06 20:32:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure be_error [2021-12-06 20:32:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_object [2021-12-06 20:32:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_object [2021-12-06 20:32:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-12-06 20:32:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-12-06 20:32:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:32:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:32:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 20:32:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 20:32:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash [2021-12-06 20:32:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash [2021-12-06 20:32:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 20:32:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 20:32:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 20:32:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 20:32:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure check_privilege [2021-12-06 20:32:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure check_privilege [2021-12-06 20:32:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:32:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify_wait [2021-12-06 20:32:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify_wait [2021-12-06 20:32:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:32:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure be_link_status_update [2021-12-06 20:32:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure be_link_status_update [2021-12-06 20:32:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-06 20:32:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-06 20:32:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 20:32:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 20:32:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fw_ver [2021-12-06 20:32:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fw_ver [2021-12-06 20:32:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_flow_control [2021-12-06 20:32:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_flow_control [2021-12-06 20:32:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 20:32:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 20:32:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:32:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:32:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_link_status_query [2021-12-06 20:32:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_link_status_query [2021-12-06 20:32:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_mcc [2021-12-06 20:32:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_mcc [2021-12-06 20:32:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 20:32:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 20:32:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 20:32:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 20:32:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:32:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:32:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rss_config [2021-12-06 20:32:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rss_config [2021-12-06 20:32:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_get_file_len [2021-12-06 20:32:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_get_file_len [2021-12-06 20:32:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 20:32:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 20:32:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure be_multi_rxq [2021-12-06 20:32:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure be_multi_rxq [2021-12-06 20:32:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2021-12-06 20:32:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2021-12-06 20:32:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:32:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 20:32:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 20:32:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:32:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure be_detect_error [2021-12-06 20:32:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure be_detect_error [2021-12-06 20:32:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure MODULO___0 [2021-12-06 20:32:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure MODULO___0 [2021-12-06 20:32:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-06 20:32:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-06 20:32:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-12-06 20:32:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-12-06 20:32:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:32:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc___0 [2021-12-06 20:32:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc___0 [2021-12-06 20:32:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-12-06 20:32:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-12-06 20:32:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 20:32:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 20:32:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-06 20:32:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-06 20:32:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_phy_info [2021-12-06 20:32:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_phy_info [2021-12-06 20:32:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_cmd_hdr_prepare [2021-12-06 20:32:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_cmd_hdr_prepare [2021-12-06 20:32:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_loopback [2021-12-06 20:32:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_loopback [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure be_hw_error [2021-12-06 20:32:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure be_hw_error [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 20:32:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-12-06 20:32:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 20:32:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_ext_fat_capabilites [2021-12-06 20:32:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_ext_fat_capabilites [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:32:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:32:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-06 20:32:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 20:32:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stats_from_cmd [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stats_from_cmd [2021-12-06 20:32:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 20:32:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-12-06 20:32:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-12-06 20:32:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-12-06 20:32:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 20:32:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 20:32:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:32:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:32:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 20:32:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 20:32:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_beacon_state [2021-12-06 20:32:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_beacon_state [2021-12-06 20:32:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_supported [2021-12-06 20:32:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_supported [2021-12-06 20:32:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:32:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-12-06 20:32:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-12-06 20:32:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 20:32:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 20:32:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_flow_control [2021-12-06 20:32:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_flow_control [2021-12-06 20:32:38,513 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:32:38,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:42:37,560 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:42:37,577 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:42:37,577 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:42:37,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:42:37 BoogieIcfgContainer [2021-12-06 20:42:37,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:42:37,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:42:37,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:42:37,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:42:37,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:32:31" (1/3) ... [2021-12-06 20:42:37,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fe27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:42:37, skipping insertion in model container [2021-12-06 20:42:37,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:32:37" (2/3) ... [2021-12-06 20:42:37,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fe27fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:42:37, skipping insertion in model container [2021-12-06 20:42:37,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:42:37" (3/3) ... [2021-12-06 20:42:37,587 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2021-12-06 20:42:37,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:42:37,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:42:37,637 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:42:37,642 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:42:37,642 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:42:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 1774 states, 1298 states have (on average 1.37904468412943) internal successors, (1790), 1313 states have internal predecessors, (1790), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) [2021-12-06 20:42:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 20:42:37,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:37,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:42:37,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:37,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2016699830, now seen corresponding path program 1 times [2021-12-06 20:42:37,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:37,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110762578] [2021-12-06 20:42:37,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:37,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:42:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:42:38,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:38,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110762578] [2021-12-06 20:42:38,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110762578] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:38,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:38,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:42:38,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992612111] [2021-12-06 20:42:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:38,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:42:38,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:38,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:42:38,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:42:38,598 INFO L87 Difference]: Start difference. First operand has 1774 states, 1298 states have (on average 1.37904468412943) internal successors, (1790), 1313 states have internal predecessors, (1790), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:42:40,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:42,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:47,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:47,395 INFO L93 Difference]: Finished difference Result 3621 states and 5228 transitions. [2021-12-06 20:42:47,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:42:47,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-12-06 20:42:47,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:47,422 INFO L225 Difference]: With dead ends: 3621 [2021-12-06 20:42:47,423 INFO L226 Difference]: Without dead ends: 1845 [2021-12-06 20:42:47,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:42:47,436 INFO L933 BasicCegarLoop]: 2220 mSDtfsCounter, 2984 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 1022 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3158 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:47,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3158 Valid, 3000 Invalid, 1690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1022 Valid, 666 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2021-12-06 20:42:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2021-12-06 20:42:47,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1763. [2021-12-06 20:42:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1291 states have (on average 1.3764523625096825) internal successors, (1777), 1303 states have internal predecessors, (1777), 377 states have call successors, (377), 96 states have call predecessors, (377), 94 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2021-12-06 20:42:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2525 transitions. [2021-12-06 20:42:47,581 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2525 transitions. Word has length 12 [2021-12-06 20:42:47,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:47,582 INFO L470 AbstractCegarLoop]: Abstraction has 1763 states and 2525 transitions. [2021-12-06 20:42:47,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:42:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2525 transitions. [2021-12-06 20:42:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 20:42:47,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:47,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:42:47,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:42:47,583 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:47,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1909028712, now seen corresponding path program 1 times [2021-12-06 20:42:47,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:47,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724166355] [2021-12-06 20:42:47,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:47,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:42:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:42:48,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:48,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724166355] [2021-12-06 20:42:48,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724166355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:48,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:48,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:42:48,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319741119] [2021-12-06 20:42:48,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:48,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:42:48,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:42:48,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:42:48,152 INFO L87 Difference]: Start difference. First operand 1763 states and 2525 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:42:50,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:52,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:56,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:56,974 INFO L93 Difference]: Finished difference Result 1847 states and 2646 transitions. [2021-12-06 20:42:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:42:56,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-12-06 20:42:56,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:56,988 INFO L225 Difference]: With dead ends: 1847 [2021-12-06 20:42:56,988 INFO L226 Difference]: Without dead ends: 1844 [2021-12-06 20:42:56,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:42:56,991 INFO L933 BasicCegarLoop]: 2209 mSDtfsCounter, 2972 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 1012 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 2986 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:56,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3145 Valid, 2986 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1012 Valid, 662 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-12-06 20:42:56,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2021-12-06 20:42:57,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1762. [2021-12-06 20:42:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1291 states have (on average 1.3756777691711852) internal successors, (1776), 1302 states have internal predecessors, (1776), 376 states have call successors, (376), 96 states have call predecessors, (376), 94 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2021-12-06 20:42:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2523 transitions. [2021-12-06 20:42:57,071 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2523 transitions. Word has length 13 [2021-12-06 20:42:57,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:57,071 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2523 transitions. [2021-12-06 20:42:57,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:42:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2523 transitions. [2021-12-06 20:42:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 20:42:57,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:57,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:42:57,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:42:57,073 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:57,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 947442937, now seen corresponding path program 1 times [2021-12-06 20:42:57,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:57,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713805061] [2021-12-06 20:42:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:57,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:42:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:42:57,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:57,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713805061] [2021-12-06 20:42:57,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713805061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:57,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:57,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:42:57,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464393541] [2021-12-06 20:42:57,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:57,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:42:57,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:42:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:42:57,560 INFO L87 Difference]: Start difference. First operand 1762 states and 2523 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:42:59,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:01,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:13,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:19,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:23,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:25,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:27,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:27,519 INFO L93 Difference]: Finished difference Result 5302 states and 7617 transitions. [2021-12-06 20:43:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:43:27,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-12-06 20:43:27,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:27,543 INFO L225 Difference]: With dead ends: 5302 [2021-12-06 20:43:27,543 INFO L226 Difference]: Without dead ends: 3546 [2021-12-06 20:43:27,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:43:27,553 INFO L933 BasicCegarLoop]: 2534 mSDtfsCounter, 3785 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 1363 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4136 SdHoareTripleChecker+Valid, 4341 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1363 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:27,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4136 Valid, 4341 Invalid, 3882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1363 Valid, 2513 Invalid, 6 Unknown, 0 Unchecked, 29.5s Time] [2021-12-06 20:43:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2021-12-06 20:43:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3541. [2021-12-06 20:43:27,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2599 states have (on average 1.3743747595228935) internal successors, (3572), 2620 states have internal predecessors, (3572), 753 states have call successors, (753), 189 states have call predecessors, (753), 188 states have return successors, (759), 743 states have call predecessors, (759), 745 states have call successors, (759) [2021-12-06 20:43:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 5084 transitions. [2021-12-06 20:43:27,698 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 5084 transitions. Word has length 14 [2021-12-06 20:43:27,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:27,698 INFO L470 AbstractCegarLoop]: Abstraction has 3541 states and 5084 transitions. [2021-12-06 20:43:27,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:43:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 5084 transitions. [2021-12-06 20:43:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-06 20:43:27,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:27,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:43:27,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:43:27,700 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:27,700 INFO L85 PathProgramCache]: Analyzing trace with hash -696244293, now seen corresponding path program 1 times [2021-12-06 20:43:27,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:43:27,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893363919] [2021-12-06 20:43:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:43:27,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:43:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:43:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:43:28,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:43:28,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893363919] [2021-12-06 20:43:28,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893363919] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:43:28,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:43:28,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:43:28,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680656221] [2021-12-06 20:43:28,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:43:28,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:43:28,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:43:28,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:43:28,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:43:28,209 INFO L87 Difference]: Start difference. First operand 3541 states and 5084 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:43:30,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:32,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:37,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:37,708 INFO L93 Difference]: Finished difference Result 3580 states and 5138 transitions. [2021-12-06 20:43:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:43:37,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-12-06 20:43:37,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:37,732 INFO L225 Difference]: With dead ends: 3580 [2021-12-06 20:43:37,732 INFO L226 Difference]: Without dead ends: 3572 [2021-12-06 20:43:37,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:43:37,734 INFO L933 BasicCegarLoop]: 2226 mSDtfsCounter, 2953 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 1000 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:37,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3126 Valid, 3003 Invalid, 1659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1000 Valid, 657 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2021-12-06 20:43:37,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2021-12-06 20:43:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3570. [2021-12-06 20:43:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 2621 states have (on average 1.3731400228920259) internal successors, (3599), 2641 states have internal predecessors, (3599), 759 states have call successors, (759), 188 states have call predecessors, (759), 189 states have return successors, (768), 752 states have call predecessors, (768), 753 states have call successors, (768) [2021-12-06 20:43:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 5126 transitions. [2021-12-06 20:43:37,863 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 5126 transitions. Word has length 15 [2021-12-06 20:43:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:37,863 INFO L470 AbstractCegarLoop]: Abstraction has 3570 states and 5126 transitions. [2021-12-06 20:43:37,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:43:37,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 5126 transitions. [2021-12-06 20:43:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 20:43:37,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:37,879 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:43:37,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:43:37,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:37,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:37,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1329938334, now seen corresponding path program 1 times [2021-12-06 20:43:37,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:43:37,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098402183] [2021-12-06 20:43:37,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:43:37,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:43:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:43:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:43:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 20:43:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 20:43:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:43:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:43:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:43:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:43:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 20:43:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 20:43:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:43:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:43:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:43:38,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:43:38,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098402183] [2021-12-06 20:43:38,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098402183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:43:38,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:43:38,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:43:38,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56688224] [2021-12-06 20:43:38,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:43:38,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:43:38,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:43:38,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:43:38,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:43:38,638 INFO L87 Difference]: Start difference. First operand 3570 states and 5126 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 20:43:40,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:43,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:58,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:03,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:08,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:10,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:11,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:13,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:15,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:17,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:24,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:24,724 INFO L93 Difference]: Finished difference Result 7612 states and 11097 transitions. [2021-12-06 20:44:24,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:44:24,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2021-12-06 20:44:24,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:24,754 INFO L225 Difference]: With dead ends: 7612 [2021-12-06 20:44:24,754 INFO L226 Difference]: Without dead ends: 4048 [2021-12-06 20:44:24,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:44:24,769 INFO L933 BasicCegarLoop]: 2371 mSDtfsCounter, 1680 mSDsluCounter, 3727 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 1107 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 6098 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1107 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:24,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1866 Valid, 6098 Invalid, 4486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1107 Valid, 3372 Invalid, 7 Unknown, 0 Unchecked, 45.4s Time] [2021-12-06 20:44:24,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2021-12-06 20:44:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3572. [2021-12-06 20:44:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 2623 states have (on average 1.372855508959207) internal successors, (3601), 2643 states have internal predecessors, (3601), 759 states have call successors, (759), 188 states have call predecessors, (759), 189 states have return successors, (768), 752 states have call predecessors, (768), 753 states have call successors, (768) [2021-12-06 20:44:24,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 5128 transitions. [2021-12-06 20:44:24,915 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 5128 transitions. Word has length 111 [2021-12-06 20:44:24,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:24,915 INFO L470 AbstractCegarLoop]: Abstraction has 3572 states and 5128 transitions. [2021-12-06 20:44:24,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 20:44:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 5128 transitions. [2021-12-06 20:44:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 20:44:24,921 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:24,921 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:24,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:44:24,921 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:24,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1357003936, now seen corresponding path program 1 times [2021-12-06 20:44:24,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:24,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023737237] [2021-12-06 20:44:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:24,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:44:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:44:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 20:44:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 20:44:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:44:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:44:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:44:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:44:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 20:44:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 20:44:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:44:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:44:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:44:25,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:44:25,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023737237] [2021-12-06 20:44:25,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023737237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:25,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:25,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:44:25,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678905253] [2021-12-06 20:44:25,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:25,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:44:25,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:44:25,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:44:25,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:44:25,763 INFO L87 Difference]: Start difference. First operand 3572 states and 5128 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 20:44:27,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:30,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:32,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:34,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:56,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:02,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:04,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:06,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:08,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:10,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:16,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:18,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:20,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:22,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:24,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:27,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:38,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:40,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:46,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:48,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:50,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:45:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:45:55,119 INFO L93 Difference]: Finished difference Result 8063 states and 11692 transitions. [2021-12-06 20:45:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:45:55,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2021-12-06 20:45:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:45:55,150 INFO L225 Difference]: With dead ends: 8063 [2021-12-06 20:45:55,150 INFO L226 Difference]: Without dead ends: 4497 [2021-12-06 20:45:55,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:45:55,164 INFO L933 BasicCegarLoop]: 4196 mSDtfsCounter, 3814 mSDsluCounter, 5338 mSDsCounter, 0 mSdLazyCounter, 5587 mSolverCounterSat, 2150 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 9534 SdHoareTripleChecker+Invalid, 7758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2150 IncrementalHoareTripleChecker+Valid, 5587 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:45:55,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4202 Valid, 9534 Invalid, 7758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2150 Valid, 5587 Invalid, 21 Unknown, 0 Unchecked, 88.3s Time] [2021-12-06 20:45:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4497 states. [2021-12-06 20:45:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4497 to 3882. [2021-12-06 20:45:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 2851 states have (on average 1.3703963521571378) internal successors, (3907), 2876 states have internal predecessors, (3907), 804 states have call successors, (804), 227 states have call predecessors, (804), 226 states have return successors, (802), 793 states have call predecessors, (802), 794 states have call successors, (802) [2021-12-06 20:45:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5513 transitions. [2021-12-06 20:45:55,330 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5513 transitions. Word has length 111 [2021-12-06 20:45:55,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:45:55,330 INFO L470 AbstractCegarLoop]: Abstraction has 3882 states and 5513 transitions. [2021-12-06 20:45:55,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 20:45:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5513 transitions. [2021-12-06 20:45:55,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 20:45:55,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:45:55,337 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:45:55,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:45:55,337 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:45:55,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:45:55,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1289997183, now seen corresponding path program 1 times [2021-12-06 20:45:55,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:45:55,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336594434] [2021-12-06 20:45:55,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:45:55,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:45:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:45:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 20:45:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 20:45:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 20:45:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 20:45:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:45:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:45:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:45:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 20:45:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 20:45:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:45:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:45:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:45:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 20:45:56,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:45:56,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336594434] [2021-12-06 20:45:56,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336594434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:45:56,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:45:56,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 20:45:56,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968075169] [2021-12-06 20:45:56,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:45:56,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:45:56,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:45:56,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:45:56,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:45:56,387 INFO L87 Difference]: Start difference. First operand 3882 states and 5513 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 20:45:58,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:00,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:32,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:40,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:42,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:44,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:46,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:48,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []