./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 e19ca921 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-e19ca92 [2021-12-22 14:44:11,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:44:11,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:44:11,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:44:11,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:44:11,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:44:11,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:44:11,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:44:11,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:44:11,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:44:11,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:44:11,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:44:11,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:44:11,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:44:11,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:44:11,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:44:11,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:44:11,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:44:11,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:44:11,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:44:11,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:44:11,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:44:11,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:44:11,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:44:11,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:44:11,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:44:11,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:44:11,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:44:11,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:44:11,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:44:11,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:44:11,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:44:11,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:44:11,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:44:11,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:44:11,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:44:11,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:44:11,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:44:11,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:44:11,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:44:11,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:44:11,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:44:11,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:44:11,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:44:11,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:44:11,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:44:11,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:44:11,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:44:11,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:44:11,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:44:11,117 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:44:11,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:44:11,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:44:11,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:44:11,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:44:11,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:44:11,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:44:11,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:44:11,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:44:11,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:44:11,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:44:11,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:44:11,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:44:11,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:44:11,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:44:11,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:44:11,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:44:11,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:44:11,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:44:11,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:44:11,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:44:11,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:44:11,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:44:11,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beca6d28dd7191869e270d25b0891da4786f507d2ceb07178e235aa67381ee83 [2021-12-22 14:44:11,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:44:11,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:44:11,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:44:11,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:44:11,312 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:44:11,313 INFO L432 ainManager$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 [2021-12-22 14:44:11,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94a885b3/8c8f534a9174497dbc0dc7f3f55a412b/FLAG9ac6c597b [2021-12-22 14:44:11,947 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:44:11,955 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 [2021-12-22 14:44:11,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94a885b3/8c8f534a9174497dbc0dc7f3f55a412b/FLAG9ac6c597b [2021-12-22 14:44:12,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94a885b3/8c8f534a9174497dbc0dc7f3f55a412b [2021-12-22 14:44:12,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:44:12,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:44:12,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:44:12,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:44:12,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:44:12,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:44:12" (1/1) ... [2021-12-22 14:44:12,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff7ffab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:12, skipping insertion in model container [2021-12-22 14:44:12,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:44:12" (1/1) ... [2021-12-22 14:44:12,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:44:12,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:44:12,581 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5354] [2021-12-22 14:44:12,581 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] [2021-12-22 14:44:13,034 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] [2021-12-22 14:44:14,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:44:14,252 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:44:14,352 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5354] [2021-12-22 14:44:14,353 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] [2021-12-22 14:44:14,361 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] [2021-12-22 14:44:14,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:44:14,675 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:44:14,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14 WrapperNode [2021-12-22 14:44:14,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:44:14,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:44:14,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:44:14,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:44:14,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:14,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:14,898 INFO L137 Inliner]: procedures = 344, calls = 2293, calls flagged for inlining = 180, calls inlined = 143, statements flattened = 5203 [2021-12-22 14:44:14,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:44:14,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:44:14,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:44:14,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:44:14,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:14,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:14,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:14,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:15,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:15,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:15,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:15,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:44:15,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:44:15,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:44:15,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:44:15,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (1/1) ... [2021-12-22 14:44:15,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:44:15,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:44:15,156 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) [2021-12-22 14:44:15,178 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 [2021-12-22 14:44:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure gem_begin_auto_negotiation [2021-12-22 14:44:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_begin_auto_negotiation [2021-12-22 14:44:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:44:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:44:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 14:44:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 14:44:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure gem_netif_start [2021-12-22 14:44:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_netif_start [2021-12-22 14:44:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:44:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:44:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:44:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:44:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:44:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:44:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure gem_close [2021-12-22 14:44:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_close [2021-12-22 14:44:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-22 14:44:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-22 14:44:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 14:44:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 14:44:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 14:44:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 14:44:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 14:44:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 14:44:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:44:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:44:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:44:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure gem_resume [2021-12-22 14:44:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_resume [2021-12-22 14:44:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 14:44:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 14:44:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure gem_setup_multicast [2021-12-22 14:44:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_setup_multicast [2021-12-22 14:44:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-22 14:44:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-22 14:44:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:44:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:44:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 14:44:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 14:44:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:44:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:44:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 14:44:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 14:44:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:44:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:44:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-22 14:44:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-12-22 14:44:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-22 14:44:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-22 14:44:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:44:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:44:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:44:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:44:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 14:44:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 14:44:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-22 14:44:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-22 14:44:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-22 14:44:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-22 14:44:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:44:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 14:44:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 14:44:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 14:44:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 14:44:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure gem_tx_timeout [2021-12-22 14:44:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_tx_timeout [2021-12-22 14:44:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:44:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:44:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:44:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:44:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:44:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 14:44:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 14:44:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 14:44:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 14:44:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-22 14:44:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_cell [2021-12-22 14:44:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_cell [2021-12-22 14:44:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 14:44:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 14:44:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:44:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:44:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:44:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-22 14:44:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-22 14:44:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:44:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure gem_nway_reset [2021-12-22 14:44:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_nway_reset [2021-12-22 14:44:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure gem_disable_ints [2021-12-22 14:44:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_disable_ints [2021-12-22 14:44:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_link_modes [2021-12-22 14:44:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_link_modes [2021-12-22 14:44:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 14:44:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 14:44:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:44:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:44:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_multicast [2021-12-22 14:44:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_multicast [2021-12-22 14:44:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:44:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:44:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure gem_open [2021-12-22 14:44:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_open [2021-12-22 14:44:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2021-12-22 14:44:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2021-12-22 14:44:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:44:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:44:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:44:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __phy_write [2021-12-22 14:44:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __phy_write [2021-12-22 14:44:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:44:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:44:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure gem_set_mac_address [2021-12-22 14:44:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_set_mac_address [2021-12-22 14:44:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:44:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2021-12-22 14:44:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2021-12-22 14:44:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 14:44:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 14:44:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure gem_interrupt [2021-12-22 14:44:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_interrupt [2021-12-22 14:44:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:44:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 14:44:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 14:44:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:44:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:44:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:44:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:44:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:44:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:44:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure gem_stop_phy [2021-12-22 14:44:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_stop_phy [2021-12-22 14:44:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:44:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:44:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:44:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:44:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure gem_ioctl [2021-12-22 14:44:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_ioctl [2021-12-22 14:44:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure gem_do_stop [2021-12-22 14:44:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_do_stop [2021-12-22 14:44:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 14:44:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 14:44:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure gem_get_stats [2021-12-22 14:44:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_get_stats [2021-12-22 14:44:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure gem_do_start [2021-12-22 14:44:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_do_start [2021-12-22 14:44:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:44:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:44:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:44:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-22 14:44:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-22 14:44:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-22 14:44:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-22 14:44:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:44:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:44:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure gem_clean_rings [2021-12-22 14:44:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_clean_rings [2021-12-22 14:44:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure gem_netif_stop [2021-12-22 14:44:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_netif_stop [2021-12-22 14:44:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:44:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-22 14:44:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-22 14:44:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:44:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:44:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 14:44:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 14:44:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:44:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 14:44:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 14:44:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:44:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:44:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:44:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:44:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:44:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:44:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-22 14:44:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-22 14:44:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure gem_alloc_skb [2021-12-22 14:44:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_alloc_skb [2021-12-22 14:44:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:44:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:44:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 14:44:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 14:44:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure gem_init_phy [2021-12-22 14:44:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_init_phy [2021-12-22 14:44:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 14:44:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 14:44:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure gem_reset [2021-12-22 14:44:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_reset [2021-12-22 14:44:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure gem_intme [2021-12-22 14:44:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_intme [2021-12-22 14:44:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:44:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:44:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure gem_pcs_reinit_adv [2021-12-22 14:44:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_pcs_reinit_adv [2021-12-22 14:44:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure gem_reinit_chip [2021-12-22 14:44:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_reinit_chip [2021-12-22 14:44:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:44:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:44:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-22 14:44:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-22 14:44:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 14:44:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 14:44:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure gem_schedule_reset [2021-12-22 14:44:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_schedule_reset [2021-12-22 14:44:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure gem_poll_controller [2021-12-22 14:44:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_poll_controller [2021-12-22 14:44:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:44:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:44:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:44:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:44:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:44:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:44:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure __phy_read [2021-12-22 14:44:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __phy_read [2021-12-22 14:44:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:44:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure gem_change_mtu [2021-12-22 14:44:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_change_mtu [2021-12-22 14:44:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure gem_remove_one [2021-12-22 14:44:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_remove_one [2021-12-22 14:44:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure gem_put_cell [2021-12-22 14:44:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_put_cell [2021-12-22 14:44:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 14:44:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 14:44:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:44:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:44:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure gem_enable_ints [2021-12-22 14:44:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_enable_ints [2021-12-22 14:44:15,915 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:44:15,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:44:16,194 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:44:18,089 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:44:18,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:44:18,101 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:44:18,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:18 BoogieIcfgContainer [2021-12-22 14:44:18,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:44:18,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:44:18,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:44:18,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:44:18,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:44:12" (1/3) ... [2021-12-22 14:44:18,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181ebdcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:18, skipping insertion in model container [2021-12-22 14:44:18,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:44:14" (2/3) ... [2021-12-22 14:44:18,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181ebdcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:18, skipping insertion in model container [2021-12-22 14:44:18,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:18" (3/3) ... [2021-12-22 14:44:18,110 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 [2021-12-22 14:44:18,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:44:18,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:44:18,146 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:44:18,150 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 [2021-12-22 14:44:18,151 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:44:18,193 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) [2021-12-22 14:44:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-22 14:44:18,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:18,225 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] [2021-12-22 14:44:18,226 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:18,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:18,229 INFO L85 PathProgramCache]: Analyzing trace with hash 842120006, now seen corresponding path program 1 times [2021-12-22 14:44:18,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:18,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044162832] [2021-12-22 14:44:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:18,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:44:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:44:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-22 14:44:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:44:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 14:44:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:44:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 14:44:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 14:44:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 14:44:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-22 14:44:19,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:19,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044162832] [2021-12-22 14:44:19,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044162832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:19,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:19,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:44:19,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586009347] [2021-12-22 14:44:19,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:19,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:44:19,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:19,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:44:19,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:44:19,068 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) [2021-12-22 14:44:25,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:25,471 INFO L93 Difference]: Finished difference Result 6184 states and 8953 transitions. [2021-12-22 14:44:25,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:44:25,474 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 [2021-12-22 14:44:25,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:25,510 INFO L225 Difference]: With dead ends: 6184 [2021-12-22 14:44:25,511 INFO L226 Difference]: Without dead ends: 4052 [2021-12-22 14:44:25,530 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 [2021-12-22 14:44:25,534 INFO L933 BasicCegarLoop]: 2972 mSDtfsCounter, 4836 mSDsluCounter, 4983 mSDsCounter, 0 mSdLazyCounter, 4570 mSolverCounterSat, 2859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 7955 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2859 IncrementalHoareTripleChecker+Valid, 4570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:25,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5076 Valid, 7955 Invalid, 7429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2859 Valid, 4570 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-22 14:44:25,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2021-12-22 14:44:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3695. [2021-12-22 14:44:25,766 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) [2021-12-22 14:44:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 5260 transitions. [2021-12-22 14:44:25,792 INFO L78 Accepts]: Start accepts. Automaton has 3695 states and 5260 transitions. Word has length 189 [2021-12-22 14:44:25,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:25,793 INFO L470 AbstractCegarLoop]: Abstraction has 3695 states and 5260 transitions. [2021-12-22 14:44:25,793 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) [2021-12-22 14:44:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 5260 transitions. [2021-12-22 14:44:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-22 14:44:25,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:25,803 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] [2021-12-22 14:44:25,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:44:25,803 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:25,804 INFO L85 PathProgramCache]: Analyzing trace with hash 936335009, now seen corresponding path program 1 times [2021-12-22 14:44:25,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:25,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260911638] [2021-12-22 14:44:25,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:25,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:44:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:44:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:44:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:44:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:44:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 14:44:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 14:44:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 14:44:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 14:44:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 14:44:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 14:44:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-22 14:44:26,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:26,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260911638] [2021-12-22 14:44:26,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260911638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:26,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:26,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:44:26,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119288038] [2021-12-22 14:44:26,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:26,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:44:26,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:26,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:44:26,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:44:26,151 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) [2021-12-22 14:44:31,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:31,587 INFO L93 Difference]: Finished difference Result 11205 states and 15983 transitions. [2021-12-22 14:44:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:44:31,588 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 [2021-12-22 14:44:31,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:31,630 INFO L225 Difference]: With dead ends: 11205 [2021-12-22 14:44:31,631 INFO L226 Difference]: Without dead ends: 7525 [2021-12-22 14:44:31,650 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 [2021-12-22 14:44:31,654 INFO L933 BasicCegarLoop]: 3295 mSDtfsCounter, 4916 mSDsluCounter, 4528 mSDsCounter, 0 mSdLazyCounter, 3524 mSolverCounterSat, 2913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 7823 SdHoareTripleChecker+Invalid, 6437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2913 IncrementalHoareTripleChecker+Valid, 3524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:31,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5180 Valid, 7823 Invalid, 6437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2913 Valid, 3524 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-22 14:44:31,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7525 states. [2021-12-22 14:44:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7525 to 6828. [2021-12-22 14:44:31,984 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) [2021-12-22 14:44:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6828 states to 6828 states and 9685 transitions. [2021-12-22 14:44:32,010 INFO L78 Accepts]: Start accepts. Automaton has 6828 states and 9685 transitions. Word has length 171 [2021-12-22 14:44:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:32,011 INFO L470 AbstractCegarLoop]: Abstraction has 6828 states and 9685 transitions. [2021-12-22 14:44:32,011 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) [2021-12-22 14:44:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 6828 states and 9685 transitions. [2021-12-22 14:44:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-22 14:44:32,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:32,018 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] [2021-12-22 14:44:32,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:44:32,018 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:32,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:32,019 INFO L85 PathProgramCache]: Analyzing trace with hash -728665747, now seen corresponding path program 1 times [2021-12-22 14:44:32,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:32,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819604663] [2021-12-22 14:44:32,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:32,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 14:44:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:44:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:44:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:44:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 14:44:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:44:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:44:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:44:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 14:44:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:44:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-22 14:44:32,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:32,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819604663] [2021-12-22 14:44:32,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819604663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:32,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:32,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:44:32,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465711638] [2021-12-22 14:44:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:32,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:44:32,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:32,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:44:32,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:44:32,427 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) [2021-12-22 14:44:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:36,138 INFO L93 Difference]: Finished difference Result 14399 states and 20616 transitions. [2021-12-22 14:44:36,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:44:36,139 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 [2021-12-22 14:44:36,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:36,179 INFO L225 Difference]: With dead ends: 14399 [2021-12-22 14:44:36,179 INFO L226 Difference]: Without dead ends: 7586 [2021-12-22 14:44:36,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:44:36,214 INFO L933 BasicCegarLoop]: 2637 mSDtfsCounter, 1593 mSDsluCounter, 6413 mSDsCounter, 0 mSdLazyCounter, 3412 mSolverCounterSat, 1461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 9050 SdHoareTripleChecker+Invalid, 4873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1461 IncrementalHoareTripleChecker+Valid, 3412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:36,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 9050 Invalid, 4873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1461 Valid, 3412 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-22 14:44:36,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2021-12-22 14:44:36,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 6848. [2021-12-22 14:44:36,553 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) [2021-12-22 14:44:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6848 states to 6848 states and 9713 transitions. [2021-12-22 14:44:36,576 INFO L78 Accepts]: Start accepts. Automaton has 6848 states and 9713 transitions. Word has length 179 [2021-12-22 14:44:36,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:36,577 INFO L470 AbstractCegarLoop]: Abstraction has 6848 states and 9713 transitions. [2021-12-22 14:44:36,578 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) [2021-12-22 14:44:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 6848 states and 9713 transitions. [2021-12-22 14:44:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-22 14:44:36,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:36,585 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] [2021-12-22 14:44:36,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:44:36,585 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:36,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:36,586 INFO L85 PathProgramCache]: Analyzing trace with hash 289025462, now seen corresponding path program 1 times [2021-12-22 14:44:36,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:36,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793421394] [2021-12-22 14:44:36,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:36,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 14:44:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:44:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:44:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:44:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 14:44:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:44:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:44:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:44:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:44:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 14:44:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-22 14:44:36,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:36,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793421394] [2021-12-22 14:44:36,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793421394] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:36,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:36,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:44:36,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841992928] [2021-12-22 14:44:36,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:36,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:44:36,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:36,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:44:36,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:44:36,892 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) [2021-12-22 14:44:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:40,326 INFO L93 Difference]: Finished difference Result 14419 states and 20640 transitions. [2021-12-22 14:44:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:44:40,326 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 [2021-12-22 14:44:40,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:40,368 INFO L225 Difference]: With dead ends: 14419 [2021-12-22 14:44:40,368 INFO L226 Difference]: Without dead ends: 7586 [2021-12-22 14:44:40,392 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 [2021-12-22 14:44:40,392 INFO L933 BasicCegarLoop]: 2642 mSDtfsCounter, 1587 mSDsluCounter, 6426 mSDsCounter, 0 mSdLazyCounter, 3411 mSolverCounterSat, 1458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 9068 SdHoareTripleChecker+Invalid, 4869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1458 IncrementalHoareTripleChecker+Valid, 3411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:40,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 9068 Invalid, 4869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1458 Valid, 3411 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-22 14:44:40,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7586 states. [2021-12-22 14:44:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7586 to 6856. [2021-12-22 14:44:40,607 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) [2021-12-22 14:44:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 9725 transitions. [2021-12-22 14:44:40,628 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 9725 transitions. Word has length 180 [2021-12-22 14:44:40,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:40,629 INFO L470 AbstractCegarLoop]: Abstraction has 6856 states and 9725 transitions. [2021-12-22 14:44:40,629 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) [2021-12-22 14:44:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 9725 transitions. [2021-12-22 14:44:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-22 14:44:40,636 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:40,636 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] [2021-12-22 14:44:40,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:44:40,636 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:40,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1949431013, now seen corresponding path program 1 times [2021-12-22 14:44:40,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:40,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518960992] [2021-12-22 14:44:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:40,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:44:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 14:44:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 14:44:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:44:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:44:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:44:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:44:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:44:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-22 14:44:40,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:40,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518960992] [2021-12-22 14:44:40,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518960992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:40,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:40,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:44:40,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572381847] [2021-12-22 14:44:40,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:40,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:44:40,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:44:40,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:44:40,902 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) [2021-12-22 14:44:43,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:43,978 INFO L93 Difference]: Finished difference Result 14391 states and 20582 transitions. [2021-12-22 14:44:43,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:44:43,978 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 [2021-12-22 14:44:43,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:44,013 INFO L225 Difference]: With dead ends: 14391 [2021-12-22 14:44:44,013 INFO L226 Difference]: Without dead ends: 7550 [2021-12-22 14:44:44,036 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 [2021-12-22 14:44:44,037 INFO L933 BasicCegarLoop]: 2631 mSDtfsCounter, 1553 mSDsluCounter, 4173 mSDsCounter, 0 mSdLazyCounter, 2626 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 6804 SdHoareTripleChecker+Invalid, 4064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1438 IncrementalHoareTripleChecker+Valid, 2626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:44,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1559 Valid, 6804 Invalid, 4064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 2626 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-22 14:44:44,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7550 states. [2021-12-22 14:44:44,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7550 to 6860. [2021-12-22 14:44:44,274 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) [2021-12-22 14:44:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 9729 transitions. [2021-12-22 14:44:44,296 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 9729 transitions. Word has length 168 [2021-12-22 14:44:44,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:44,297 INFO L470 AbstractCegarLoop]: Abstraction has 6860 states and 9729 transitions. [2021-12-22 14:44:44,298 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) [2021-12-22 14:44:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 9729 transitions. [2021-12-22 14:44:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-22 14:44:44,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:44,305 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] [2021-12-22 14:44:44,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:44:44,305 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash -896810182, now seen corresponding path program 1 times [2021-12-22 14:44:44,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:44,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739779657] [2021-12-22 14:44:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:44,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 14:44:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:44:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:44:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:44:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 14:44:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 14:44:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:44:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:44:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:44:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 14:44:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-22 14:44:44,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:44,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739779657] [2021-12-22 14:44:44,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739779657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:44,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:44,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:44:44,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237362065] [2021-12-22 14:44:44,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:44,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:44:44,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:44:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:44:44,540 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) [2021-12-22 14:44:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:47,683 INFO L93 Difference]: Finished difference Result 14435 states and 20632 transitions. [2021-12-22 14:44:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:44:47,683 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 [2021-12-22 14:44:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:47,709 INFO L225 Difference]: With dead ends: 14435 [2021-12-22 14:44:47,709 INFO L226 Difference]: Without dead ends: 7590 [2021-12-22 14:44:47,727 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 [2021-12-22 14:44:47,728 INFO L933 BasicCegarLoop]: 2631 mSDtfsCounter, 1556 mSDsluCounter, 4175 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 6806 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:47,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1566 Valid, 6806 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1446 Valid, 2629 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-22 14:44:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2021-12-22 14:44:47,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 6868. [2021-12-22 14:44:47,926 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) [2021-12-22 14:44:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6868 states to 6868 states and 9737 transitions. [2021-12-22 14:44:47,947 INFO L78 Accepts]: Start accepts. Automaton has 6868 states and 9737 transitions. Word has length 180 [2021-12-22 14:44:47,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:47,948 INFO L470 AbstractCegarLoop]: Abstraction has 6868 states and 9737 transitions. [2021-12-22 14:44:47,948 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) [2021-12-22 14:44:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 6868 states and 9737 transitions. [2021-12-22 14:44:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-22 14:44:47,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:47,954 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] [2021-12-22 14:44:47,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 14:44:47,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1757092967, now seen corresponding path program 1 times [2021-12-22 14:44:47,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:47,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425235353] [2021-12-22 14:44:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:47,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:44:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 14:44:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 14:44:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:44:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:44:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:44:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:44:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:44:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-22 14:44:48,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:48,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425235353] [2021-12-22 14:44:48,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425235353] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 14:44:48,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313150813] [2021-12-22 14:44:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:48,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 14:44:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:44:48,200 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) [2021-12-22 14:44:48,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 14:44:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 14:44:48,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 14:44:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-22 14:44:49,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 14:44:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-22 14:44:49,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313150813] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 14:44:49,396 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 14:44:49,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2021-12-22 14:44:49,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352427572] [2021-12-22 14:44:49,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 14:44:49,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:44:49,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:49,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:44:49,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:44:49,398 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) [2021-12-22 14:44:53,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:53,089 INFO L93 Difference]: Finished difference Result 14683 states and 21000 transitions. [2021-12-22 14:44:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:44:53,089 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 [2021-12-22 14:44:53,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:53,121 INFO L225 Difference]: With dead ends: 14683 [2021-12-22 14:44:53,121 INFO L226 Difference]: Without dead ends: 7830 [2021-12-22 14:44:53,187 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 [2021-12-22 14:44:53,188 INFO L933 BasicCegarLoop]: 2660 mSDtfsCounter, 1653 mSDsluCounter, 6448 mSDsCounter, 0 mSdLazyCounter, 3463 mSolverCounterSat, 1504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 4967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1504 IncrementalHoareTripleChecker+Valid, 3463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:53,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1681 Valid, 9108 Invalid, 4967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1504 Valid, 3463 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-22 14:44:53,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2021-12-22 14:44:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7144. [2021-12-22 14:44:53,402 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) [2021-12-22 14:44:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 10133 transitions. [2021-12-22 14:44:53,428 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 10133 transitions. Word has length 176 [2021-12-22 14:44:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:53,430 INFO L470 AbstractCegarLoop]: Abstraction has 7144 states and 10133 transitions. [2021-12-22 14:44:53,430 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) [2021-12-22 14:44:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 10133 transitions. [2021-12-22 14:44:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-22 14:44:53,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:53,438 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] [2021-12-22 14:44:53,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 14:44:53,651 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 [2021-12-22 14:44:53,652 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:53,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:53,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1723141457, now seen corresponding path program 2 times [2021-12-22 14:44:53,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:53,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166237270] [2021-12-22 14:44:53,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:44:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 14:44:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 14:44:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:44:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:44:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:44:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 14:44:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 14:44:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:44:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:44:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:44:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-22 14:44:53,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:53,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166237270] [2021-12-22 14:44:53,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166237270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:53,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:53,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:44:53,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637662256] [2021-12-22 14:44:53,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:53,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:44:53,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:44:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:44:53,988 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) [2021-12-22 14:44:57,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:57,063 INFO L93 Difference]: Finished difference Result 7873 states and 11178 transitions. [2021-12-22 14:44:57,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:44:57,063 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 [2021-12-22 14:44:57,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:57,072 INFO L225 Difference]: With dead ends: 7873 [2021-12-22 14:44:57,072 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 14:44:57,084 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 [2021-12-22 14:44:57,085 INFO L933 BasicCegarLoop]: 2653 mSDtfsCounter, 3899 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 4726 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:57,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4165 Valid, 4726 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1846 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-22 14:44:57,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 14:44:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 14:44:57,086 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) [2021-12-22 14:44:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 14:44:57,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-12-22 14:44:57,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:57,088 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 14:44:57,088 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) [2021-12-22 14:44:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 14:44:57,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 14:44:57,090 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 14:44:57,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 14:44:57,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.