./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 beca6d28dd7191869e270d25b0891da4786f507d2ceb07178e235aa67381ee83 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:02:20,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:02:20,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:02:20,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:02:20,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:02:20,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:02:20,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:02:20,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:02:20,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:02:20,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:02:20,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:02:20,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:02:20,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:02:20,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:02:20,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:02:20,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:02:20,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:02:20,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:02:20,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:02:20,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:02:20,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:02:20,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:02:20,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:02:20,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:02:20,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:02:20,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:02:20,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:02:20,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:02:20,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:02:20,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:02:20,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:02:20,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:02:20,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:02:20,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:02:20,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:02:20,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:02:20,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:02:20,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:02:20,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:02:20,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:02:20,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:02:20,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:02:20,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:02:20,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:02:20,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:02:20,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:02:20,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:02:20,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:02:20,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:02:20,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:02:20,694 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:02:20,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:02:20,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:02:20,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:02:20,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:02:20,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:02:20,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:02:20,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:02:20,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:02:20,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:02:20,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:02:20,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:02:20,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:02:20,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:02:20,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:02:20,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:02:20,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:02:20,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:02:20,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:02:20,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:02:20,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:02:20,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:02:20,698 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beca6d28dd7191869e270d25b0891da4786f507d2ceb07178e235aa67381ee83 [2021-12-28 04:02:20,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:02:21,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:02:21,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:02:21,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:02:21,022 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:02:21,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i [2021-12-28 04:02:21,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b66da02c/33cce9415a084022a88f55cb22b5a65c/FLAGef5dda23d [2021-12-28 04:02:21,899 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:02:21,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i [2021-12-28 04:02:21,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b66da02c/33cce9415a084022a88f55cb22b5a65c/FLAGef5dda23d [2021-12-28 04:02:22,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b66da02c/33cce9415a084022a88f55cb22b5a65c [2021-12-28 04:02:22,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:02:22,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:02:22,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:02:22,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:02:22,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:02:22,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:02:22" (1/1) ... [2021-12-28 04:02:22,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690b97be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:22, skipping insertion in model container [2021-12-28 04:02:22,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:02:22" (1/1) ... [2021-12-28 04:02:22,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:02:22,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:02:22,970 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5354] [2021-12-28 04:02:22,971 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5355-5356] [2021-12-28 04:02:23,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i[164516,164529] [2021-12-28 04:02:24,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:02:24,384 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:02:24,476 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5354] [2021-12-28 04:02:24,477 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5355-5356] [2021-12-28 04:02:24,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i[164516,164529] [2021-12-28 04:02:24,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:02:24,817 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:02:24,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24 WrapperNode [2021-12-28 04:02:24,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:02:24,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:02:24,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:02:24,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:02:24,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:24,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,086 INFO L137 Inliner]: procedures = 344, calls = 2293, calls flagged for inlining = 180, calls inlined = 143, statements flattened = 5203 [2021-12-28 04:02:25,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:02:25,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:02:25,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:02:25,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:02:25,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:02:25,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:02:25,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:02:25,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:02:25,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (1/1) ... [2021-12-28 04:02:25,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:02:25,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:02:25,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:02:25,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:02:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure gem_begin_auto_negotiation [2021-12-28 04:02:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_begin_auto_negotiation [2021-12-28 04:02:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:02:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:02:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 04:02:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 04:02:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure gem_netif_start [2021-12-28 04:02:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_netif_start [2021-12-28 04:02:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:02:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:02:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:02:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:02:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:02:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:02:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure gem_close [2021-12-28 04:02:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_close [2021-12-28 04:02:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-28 04:02:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-28 04:02:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 04:02:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 04:02:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:02:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:02:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:02:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:02:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:02:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:02:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 04:02:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure gem_resume [2021-12-28 04:02:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_resume [2021-12-28 04:02:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 04:02:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 04:02:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure gem_setup_multicast [2021-12-28 04:02:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_setup_multicast [2021-12-28 04:02:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-28 04:02:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-28 04:02:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:02:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:02:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 04:02:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 04:02:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:02:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:02:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:02:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:02:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:02:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:02:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-28 04:02:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-28 04:02:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-28 04:02:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-28 04:02:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:02:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:02:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:02:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:02:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:02:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:02:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-28 04:02:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-28 04:02:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-28 04:02:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-28 04:02:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:02:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 04:02:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 04:02:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:02:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:02:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure gem_tx_timeout [2021-12-28 04:02:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_tx_timeout [2021-12-28 04:02:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:02:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:02:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:02:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:02:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:02:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:02:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:02:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:02:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:02:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-28 04:02:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_cell [2021-12-28 04:02:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_cell [2021-12-28 04:02:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 04:02:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 04:02:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:02:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:02:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:02:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-28 04:02:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-28 04:02:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:02:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure gem_nway_reset [2021-12-28 04:02:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_nway_reset [2021-12-28 04:02:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure gem_disable_ints [2021-12-28 04:02:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_disable_ints [2021-12-28 04:02:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_link_modes [2021-12-28 04:02:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_link_modes [2021-12-28 04:02:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 04:02:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 04:02:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:02:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:02:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_multicast [2021-12-28 04:02:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_multicast [2021-12-28 04:02:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:02:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:02:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure gem_open [2021-12-28 04:02:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_open [2021-12-28 04:02:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2021-12-28 04:02:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2021-12-28 04:02:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:02:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:02:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:02:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure __phy_write [2021-12-28 04:02:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __phy_write [2021-12-28 04:02:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:02:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:02:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_mac_address [2021-12-28 04:02:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_mac_address [2021-12-28 04:02:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:02:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-28 04:02:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-28 04:02:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:02:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:02:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure gem_interrupt [2021-12-28 04:02:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_interrupt [2021-12-28 04:02:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:02:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:02:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:02:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:02:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:02:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:02:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:02:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:02:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:02:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure gem_stop_phy [2021-12-28 04:02:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_stop_phy [2021-12-28 04:02:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:02:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:02:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:02:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:02:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure gem_ioctl [2021-12-28 04:02:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_ioctl [2021-12-28 04:02:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure gem_do_stop [2021-12-28 04:02:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_do_stop [2021-12-28 04:02:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-28 04:02:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-28 04:02:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_stats [2021-12-28 04:02:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_stats [2021-12-28 04:02:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure gem_do_start [2021-12-28 04:02:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_do_start [2021-12-28 04:02:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:02:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:02:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:02:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-28 04:02:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-28 04:02:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-28 04:02:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-28 04:02:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:02:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:02:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure gem_clean_rings [2021-12-28 04:02:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_clean_rings [2021-12-28 04:02:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure gem_netif_stop [2021-12-28 04:02:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_netif_stop [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-28 04:02:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:02:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:02:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:02:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:02:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:02:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:02:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:02:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:02:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:02:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-28 04:02:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-28 04:02:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure gem_alloc_skb [2021-12-28 04:02:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_alloc_skb [2021-12-28 04:02:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:02:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:02:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 04:02:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 04:02:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure gem_init_phy [2021-12-28 04:02:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_init_phy [2021-12-28 04:02:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 04:02:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 04:02:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure gem_reset [2021-12-28 04:02:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_reset [2021-12-28 04:02:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure gem_intme [2021-12-28 04:02:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_intme [2021-12-28 04:02:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:02:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:02:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure gem_pcs_reinit_adv [2021-12-28 04:02:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_pcs_reinit_adv [2021-12-28 04:02:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure gem_reinit_chip [2021-12-28 04:02:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_reinit_chip [2021-12-28 04:02:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:02:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:02:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-28 04:02:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-28 04:02:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:02:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:02:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure gem_schedule_reset [2021-12-28 04:02:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_schedule_reset [2021-12-28 04:02:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure gem_poll_controller [2021-12-28 04:02:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_poll_controller [2021-12-28 04:02:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:02:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:02:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:02:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:02:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:02:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:02:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure __phy_read [2021-12-28 04:02:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __phy_read [2021-12-28 04:02:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:02:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure gem_change_mtu [2021-12-28 04:02:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_change_mtu [2021-12-28 04:02:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure gem_remove_one [2021-12-28 04:02:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_remove_one [2021-12-28 04:02:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure gem_put_cell [2021-12-28 04:02:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_put_cell [2021-12-28 04:02:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-28 04:02:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-28 04:02:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:02:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:02:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure gem_enable_ints [2021-12-28 04:02:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_enable_ints [2021-12-28 04:02:26,192 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:02:26,194 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:02:26,493 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:02:28,410 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:02:28,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:02:28,421 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:02:28,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:02:28 BoogieIcfgContainer [2021-12-28 04:02:28,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:02:28,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:02:28,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:02:28,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:02:28,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:02:22" (1/3) ... [2021-12-28 04:02:28,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16876574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:02:28, skipping insertion in model container [2021-12-28 04:02:28,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:02:24" (2/3) ... [2021-12-28 04:02:28,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16876574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:02:28, skipping insertion in model container [2021-12-28 04:02:28,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:02:28" (3/3) ... [2021-12-28 04:02:28,430 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sun--sungem.ko-entry_point.cil.out.i [2021-12-28 04:02:28,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:02:28,433 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:02:28,467 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:02:28,471 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 [2021-12-28 04:02:28,471 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:02:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 2095 states, 1467 states have (on average 1.3394683026584866) internal successors, (1965), 1505 states have internal predecessors, (1965), 523 states have call successors, (523), 104 states have call predecessors, (523), 103 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) [2021-12-28 04:02:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-28 04:02:28,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:28,530 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:28,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:28,534 INFO L85 PathProgramCache]: Analyzing trace with hash 842120006, now seen corresponding path program 1 times [2021-12-28 04:02:28,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:28,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565658768] [2021-12-28 04:02:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:28,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 04:02:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:02:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-28 04:02:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:02:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 04:02:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 04:02:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 04:02:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:02:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:02:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:02:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 04:02:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-28 04:02:29,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:29,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565658768] [2021-12-28 04:02:29,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565658768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:29,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:29,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:02:29,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762686801] [2021-12-28 04:02:29,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:29,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:02:29,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:29,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:02:29,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:02:29,227 INFO L87 Difference]: Start difference. First operand has 2095 states, 1467 states have (on average 1.3394683026584866) internal successors, (1965), 1505 states have internal predecessors, (1965), 523 states have call successors, (523), 104 states have call predecessors, (523), 103 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:02:35,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:35,813 INFO L93 Difference]: Finished difference Result 6184 states and 8953 transitions. [2021-12-28 04:02:35,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:02:35,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 189 [2021-12-28 04:02:35,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:35,856 INFO L225 Difference]: With dead ends: 6184 [2021-12-28 04:02:35,857 INFO L226 Difference]: Without dead ends: 4052 [2021-12-28 04:02:35,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-12-28 04:02:35,875 INFO L933 BasicCegarLoop]: 2971 mSDtfsCounter, 4836 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 2859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 7512 SdHoareTripleChecker+Invalid, 7869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2859 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:35,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5076 Valid, 7512 Invalid, 7869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2859 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-28 04:02:35,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2021-12-28 04:02:36,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3695. [2021-12-28 04:02:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3695 states, 2600 states have (on average 1.3292307692307692) internal successors, (3456), 2653 states have internal predecessors, (3456), 901 states have call successors, (901), 194 states have call predecessors, (901), 193 states have return successors, (903), 894 states have call predecessors, (903), 900 states have call successors, (903) [2021-12-28 04:02:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 5260 transitions. [2021-12-28 04:02:36,135 INFO L78 Accepts]: Start accepts. Automaton has 3695 states and 5260 transitions. Word has length 189 [2021-12-28 04:02:36,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:36,136 INFO L470 AbstractCegarLoop]: Abstraction has 3695 states and 5260 transitions. [2021-12-28 04:02:36,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:02:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 5260 transitions. [2021-12-28 04:02:36,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 04:02:36,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:36,148 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:36,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:02:36,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:36,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:36,150 INFO L85 PathProgramCache]: Analyzing trace with hash 936335009, now seen corresponding path program 1 times [2021-12-28 04:02:36,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:36,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906227716] [2021-12-28 04:02:36,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:36,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 04:02:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:02:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:02:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:02:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:02:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:02:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 04:02:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:02:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 04:02:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:02:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:02:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:02:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:02:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 04:02:36,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:36,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906227716] [2021-12-28 04:02:36,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906227716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:36,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:36,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:02:36,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852130630] [2021-12-28 04:02:36,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:36,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:02:36,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:36,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:02:36,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:02:36,520 INFO L87 Difference]: Start difference. First operand 3695 states and 5260 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-28 04:02:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:41,878 INFO L93 Difference]: Finished difference Result 11205 states and 15983 transitions. [2021-12-28 04:02:41,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:02:41,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2021-12-28 04:02:41,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:41,913 INFO L225 Difference]: With dead ends: 11205 [2021-12-28 04:02:41,914 INFO L226 Difference]: Without dead ends: 7525 [2021-12-28 04:02:41,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:02:41,928 INFO L933 BasicCegarLoop]: 3299 mSDtfsCounter, 4914 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3940 mSolverCounterSat, 2911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 7418 SdHoareTripleChecker+Invalid, 6851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2911 IncrementalHoareTripleChecker+Valid, 3940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:41,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 7418 Invalid, 6851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2911 Valid, 3940 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-28 04:02:41,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7525 states. [2021-12-28 04:02:42,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7525 to 6828. [2021-12-28 04:02:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6828 states, 4784 states have (on average 1.3254598662207357) internal successors, (6341), 4885 states have internal predecessors, (6341), 1671 states have call successors, (1671), 373 states have call predecessors, (1671), 372 states have return successors, (1673), 1658 states have call predecessors, (1673), 1670 states have call successors, (1673) [2021-12-28 04:02:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6828 states to 6828 states and 9685 transitions. [2021-12-28 04:02:42,258 INFO L78 Accepts]: Start accepts. Automaton has 6828 states and 9685 transitions. Word has length 171 [2021-12-28 04:02:42,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:42,259 INFO L470 AbstractCegarLoop]: Abstraction has 6828 states and 9685 transitions. [2021-12-28 04:02:42,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-28 04:02:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6828 states and 9685 transitions. [2021-12-28 04:02:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-28 04:02:42,265 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:42,265 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:42,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:02:42,266 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:42,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash -728665747, now seen corresponding path program 1 times [2021-12-28 04:02:42,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:42,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803975658] [2021-12-28 04:02:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:42,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:02:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:02:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:02:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:02:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:02:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:02:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:02:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:02:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:02:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:02:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:02:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:02:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 04:02:42,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:42,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803975658] [2021-12-28 04:02:42,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803975658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:42,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:42,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:02:42,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687348252] [2021-12-28 04:02:42,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:42,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:02:42,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:02:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:02:42,568 INFO L87 Difference]: Start difference. First operand 6828 states and 9685 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:02:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:46,597 INFO L93 Difference]: Finished difference Result 14399 states and 20616 transitions. [2021-12-28 04:02:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 04:02:46,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 179 [2021-12-28 04:02:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:46,642 INFO L225 Difference]: With dead ends: 14399 [2021-12-28 04:02:46,643 INFO L226 Difference]: Without dead ends: 7586 [2021-12-28 04:02:46,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:02:46,674 INFO L933 BasicCegarLoop]: 2640 mSDtfsCounter, 1593 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 4247 mSolverCounterSat, 1461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 5708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1461 IncrementalHoareTripleChecker+Valid, 4247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:46,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 8226 Invalid, 5708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1461 Valid, 4247 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-28 04:02:46,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2021-12-28 04:02:46,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 6848. [2021-12-28 04:02:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6848 states, 4796 states have (on average 1.3246455379482902) internal successors, (6353), 4897 states have internal predecessors, (6353), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-28 04:02:46,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6848 states to 6848 states and 9713 transitions. [2021-12-28 04:02:46,933 INFO L78 Accepts]: Start accepts. Automaton has 6848 states and 9713 transitions. Word has length 179 [2021-12-28 04:02:46,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:46,934 INFO L470 AbstractCegarLoop]: Abstraction has 6848 states and 9713 transitions. [2021-12-28 04:02:46,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:02:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 6848 states and 9713 transitions. [2021-12-28 04:02:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-28 04:02:46,940 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:46,941 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:46,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:02:46,941 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:46,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:46,942 INFO L85 PathProgramCache]: Analyzing trace with hash 289025462, now seen corresponding path program 1 times [2021-12-28 04:02:46,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:46,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898265153] [2021-12-28 04:02:46,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:46,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:02:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:02:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:02:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:02:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:02:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:02:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:02:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:02:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:02:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:02:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:02:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:02:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 04:02:47,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:47,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898265153] [2021-12-28 04:02:47,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898265153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:47,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:47,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:02:47,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468339252] [2021-12-28 04:02:47,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:47,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:02:47,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:47,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:02:47,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:02:47,226 INFO L87 Difference]: Start difference. First operand 6848 states and 9713 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:02:51,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:51,270 INFO L93 Difference]: Finished difference Result 14419 states and 20640 transitions. [2021-12-28 04:02:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 04:02:51,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 180 [2021-12-28 04:02:51,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:51,306 INFO L225 Difference]: With dead ends: 14419 [2021-12-28 04:02:51,307 INFO L226 Difference]: Without dead ends: 7586 [2021-12-28 04:02:51,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:02:51,333 INFO L933 BasicCegarLoop]: 2642 mSDtfsCounter, 1587 mSDsluCounter, 5595 mSDsCounter, 0 mSdLazyCounter, 4242 mSolverCounterSat, 1458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 8237 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1458 IncrementalHoareTripleChecker+Valid, 4242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:51,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 8237 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1458 Valid, 4242 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-28 04:02:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2021-12-28 04:02:51,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 6856. [2021-12-28 04:02:51,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6856 states, 4804 states have (on average 1.3249375520399667) internal successors, (6365), 4905 states have internal predecessors, (6365), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-28 04:02:51,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9725 transitions. [2021-12-28 04:02:51,582 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9725 transitions. Word has length 180 [2021-12-28 04:02:51,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:51,583 INFO L470 AbstractCegarLoop]: Abstraction has 6856 states and 9725 transitions. [2021-12-28 04:02:51,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:02:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9725 transitions. [2021-12-28 04:02:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-28 04:02:51,590 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:51,590 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:51,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:02:51,591 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:51,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1949431013, now seen corresponding path program 1 times [2021-12-28 04:02:51,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:51,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654064316] [2021-12-28 04:02:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:51,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:02:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 04:02:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 04:02:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:02:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:02:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:02:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:02:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:02:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:02:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 04:02:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-28 04:02:51,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:51,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654064316] [2021-12-28 04:02:51,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654064316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:51,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:51,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:02:51,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178137209] [2021-12-28 04:02:51,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:51,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:02:51,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:51,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:02:51,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:02:51,868 INFO L87 Difference]: Start difference. First operand 6856 states and 9725 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 04:02:55,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:55,412 INFO L93 Difference]: Finished difference Result 14391 states and 20582 transitions. [2021-12-28 04:02:55,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:02:55,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 168 [2021-12-28 04:02:55,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:55,443 INFO L225 Difference]: With dead ends: 14391 [2021-12-28 04:02:55,443 INFO L226 Difference]: Without dead ends: 7550 [2021-12-28 04:02:55,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:02:55,469 INFO L933 BasicCegarLoop]: 2632 mSDtfsCounter, 1553 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 6387 SdHoareTripleChecker+Invalid, 4481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1438 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:55,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1559 Valid, 6387 Invalid, 4481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 04:02:55,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7550 states. [2021-12-28 04:02:55,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7550 to 6860. [2021-12-28 04:02:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6860 states, 4808 states have (on average 1.324667221297837) internal successors, (6369), 4909 states have internal predecessors, (6369), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-28 04:02:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 9729 transitions. [2021-12-28 04:02:55,775 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 9729 transitions. Word has length 168 [2021-12-28 04:02:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:55,777 INFO L470 AbstractCegarLoop]: Abstraction has 6860 states and 9729 transitions. [2021-12-28 04:02:55,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 04:02:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 9729 transitions. [2021-12-28 04:02:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-28 04:02:55,785 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:55,786 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:55,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:02:55,786 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:55,787 INFO L85 PathProgramCache]: Analyzing trace with hash -896810182, now seen corresponding path program 1 times [2021-12-28 04:02:55,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:55,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667425551] [2021-12-28 04:02:55,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:55,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:02:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:02:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:02:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 04:02:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:02:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:02:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:02:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:02:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:02:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:02:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:02:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:02:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:02:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 04:02:56,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:56,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667425551] [2021-12-28 04:02:56,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667425551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:56,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:56,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:02:56,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805685850] [2021-12-28 04:02:56,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:56,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:02:56,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:56,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:02:56,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:02:56,067 INFO L87 Difference]: Start difference. First operand 6860 states and 9729 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-28 04:02:59,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:59,669 INFO L93 Difference]: Finished difference Result 14435 states and 20632 transitions. [2021-12-28 04:02:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 04:02:59,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 180 [2021-12-28 04:02:59,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:59,720 INFO L225 Difference]: With dead ends: 14435 [2021-12-28 04:02:59,720 INFO L226 Difference]: Without dead ends: 7590 [2021-12-28 04:02:59,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:02:59,759 INFO L933 BasicCegarLoop]: 2630 mSDtfsCounter, 1556 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 6388 SdHoareTripleChecker+Invalid, 4489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:59,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1566 Valid, 6388 Invalid, 4489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1446 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 04:02:59,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-28 04:03:00,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6868. [2021-12-28 04:03:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6868 states, 4816 states have (on average 1.3241279069767442) internal successors, (6377), 4917 states have internal predecessors, (6377), 1679 states have call successors, (1679), 373 states have call predecessors, (1679), 372 states have return successors, (1681), 1666 states have call predecessors, (1681), 1678 states have call successors, (1681) [2021-12-28 04:03:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 9737 transitions. [2021-12-28 04:03:00,093 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 9737 transitions. Word has length 180 [2021-12-28 04:03:00,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:00,094 INFO L470 AbstractCegarLoop]: Abstraction has 6868 states and 9737 transitions. [2021-12-28 04:03:00,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-28 04:03:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 9737 transitions. [2021-12-28 04:03:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-28 04:03:00,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:00,100 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:03:00,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:03:00,100 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:00,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1757092967, now seen corresponding path program 1 times [2021-12-28 04:03:00,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:00,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815540307] [2021-12-28 04:03:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:00,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:03:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:03:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:03:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 04:03:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 04:03:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:03:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:03:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:03:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:03:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:03:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:03:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:03:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:03:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 04:03:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-28 04:03:00,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:00,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815540307] [2021-12-28 04:03:00,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815540307] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 04:03:00,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563573138] [2021-12-28 04:03:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:00,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:03:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:03:00,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 04:03:00,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 04:03:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:01,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-28 04:03:01,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 04:03:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-28 04:03:01,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 04:03:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-28 04:03:01,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563573138] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 04:03:01,579 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 04:03:01,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2021-12-28 04:03:01,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524067290] [2021-12-28 04:03:01,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 04:03:01,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:03:01,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:01,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:03:01,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:03:01,581 INFO L87 Difference]: Start difference. First operand 6868 states and 9737 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-28 04:03:04,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:03:04,694 INFO L93 Difference]: Finished difference Result 14683 states and 21000 transitions. [2021-12-28 04:03:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 04:03:04,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 176 [2021-12-28 04:03:04,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:03:04,728 INFO L225 Difference]: With dead ends: 14683 [2021-12-28 04:03:04,729 INFO L226 Difference]: Without dead ends: 7830 [2021-12-28 04:03:04,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:03:04,749 INFO L933 BasicCegarLoop]: 2661 mSDtfsCounter, 1653 mSDsluCounter, 5631 mSDsCounter, 0 mSdLazyCounter, 4284 mSolverCounterSat, 1504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 8292 SdHoareTripleChecker+Invalid, 5788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1504 IncrementalHoareTripleChecker+Valid, 4284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:03:04,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1681 Valid, 8292 Invalid, 5788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1504 Valid, 4284 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-28 04:03:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2021-12-28 04:03:04,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7144. [2021-12-28 04:03:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7144 states, 5020 states have (on average 1.3205179282868527) internal successors, (6629), 5133 states have internal predecessors, (6629), 1751 states have call successors, (1751), 373 states have call predecessors, (1751), 372 states have return successors, (1753), 1738 states have call predecessors, (1753), 1750 states have call successors, (1753) [2021-12-28 04:03:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 10133 transitions. [2021-12-28 04:03:04,970 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 10133 transitions. Word has length 176 [2021-12-28 04:03:04,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:04,972 INFO L470 AbstractCegarLoop]: Abstraction has 7144 states and 10133 transitions. [2021-12-28 04:03:04,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-28 04:03:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 10133 transitions. [2021-12-28 04:03:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-28 04:03:04,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:03:04,980 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:03:05,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 04:03:05,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 04:03:05,196 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:03:05,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:03:05,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1723141457, now seen corresponding path program 2 times [2021-12-28 04:03:05,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:03:05,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557826633] [2021-12-28 04:03:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:03:05,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:03:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:03:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:03:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:03:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:03:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:03:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:03:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:03:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 04:03:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 04:03:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:03:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:03:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:03:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:03:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:03:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 04:03:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:03:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:03:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:03:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 04:03:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:03:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-28 04:03:05,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:03:05,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557826633] [2021-12-28 04:03:05,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557826633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:03:05,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:03:05,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:03:05,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058172613] [2021-12-28 04:03:05,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:03:05,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:03:05,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:03:05,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:03:05,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:03:05,507 INFO L87 Difference]: Start difference. First operand 7144 states and 10133 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 04:03:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:03:07,602 INFO L93 Difference]: Finished difference Result 7873 states and 11178 transitions. [2021-12-28 04:03:07,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 04:03:07,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 200 [2021-12-28 04:03:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:03:07,616 INFO L225 Difference]: With dead ends: 7873 [2021-12-28 04:03:07,616 INFO L226 Difference]: Without dead ends: 0 [2021-12-28 04:03:07,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:03:07,641 INFO L933 BasicCegarLoop]: 2656 mSDtfsCounter, 3898 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 1844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4164 SdHoareTripleChecker+Valid, 4695 SdHoareTripleChecker+Invalid, 3768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1844 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:03:07,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4164 Valid, 4695 Invalid, 3768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1844 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-28 04:03:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-28 04:03:07,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-28 04:03:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 04:03:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 04:03:07,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-12-28 04:03:07,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:03:07,644 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 04:03:07,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 04:03:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-28 04:03:07,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-28 04:03:07,651 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-28 04:03:07,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 04:03:07,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.