./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:16:33,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:16:33,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:16:33,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:16:33,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:16:33,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:16:33,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:16:33,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:16:33,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:16:33,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:16:33,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:16:33,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:16:33,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:16:33,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:16:33,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:16:33,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:16:33,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:16:33,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:16:33,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:16:33,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:16:33,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:16:33,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:16:33,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:16:33,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:16:33,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:16:33,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:16:33,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:16:33,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:16:33,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:16:33,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:16:33,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:16:33,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:16:33,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:16:33,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:16:33,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:16:33,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:16:33,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:16:33,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:16:33,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:16:33,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:16:33,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:16:33,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:16:33,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:16:33,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:16:33,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:16:33,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:16:33,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:16:33,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:16:33,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:16:33,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:16:33,220 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:16:33,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:16:33,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:16:33,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:16:33,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:16:33,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:16:33,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:16:33,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:16:33,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:16:33,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:16:33,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:16:33,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:16:33,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:16:33,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:16:33,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:16:33,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:16:33,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:16:33,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:16:33,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:16:33,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:16:33,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:16:33,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:16:33,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:16:33,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2021-12-14 18:16:33,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:16:33,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:16:33,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:16:33,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:16:33,405 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:16:33,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-12-14 18:16:33,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a853d5/48255a86896e4304966604bbc7861106/FLAG7e580ee3a [2021-12-14 18:16:34,190 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:16:34,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-12-14 18:16:34,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a853d5/48255a86896e4304966604bbc7861106/FLAG7e580ee3a [2021-12-14 18:16:34,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a853d5/48255a86896e4304966604bbc7861106 [2021-12-14 18:16:34,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:16:34,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:16:34,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:16:34,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:16:34,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:16:34,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:16:34" (1/1) ... [2021-12-14 18:16:34,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684c719d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:34, skipping insertion in model container [2021-12-14 18:16:34,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:16:34" (1/1) ... [2021-12-14 18:16:34,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:16:34,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:16:36,911 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2021-12-14 18:16:36,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:16:37,007 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:16:37,346 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2021-12-14 18:16:37,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:16:37,531 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:16:37,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37 WrapperNode [2021-12-14 18:16:37,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:16:37,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:16:37,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:16:37,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:16:37,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,791 INFO L137 Inliner]: procedures = 464, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7498 [2021-12-14 18:16:37,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:16:37,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:16:37,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:16:37,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:16:37,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:37,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:38,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:38,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:16:38,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:16:38,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:16:38,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:16:38,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (1/1) ... [2021-12-14 18:16:38,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:16:38,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:16:38,064 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) [2021-12-14 18:16:38,079 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 [2021-12-14 18:16:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:16:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:16:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:16:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:16:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-12-14 18:16:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-12-14 18:16:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:16:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:16:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-12-14 18:16:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-12-14 18:16:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 18:16:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 18:16:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:16:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:16:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:16:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:16:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:16:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:16:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-12-14 18:16:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-12-14 18:16:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-14 18:16:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-14 18:16:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2021-12-14 18:16:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2021-12-14 18:16:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2021-12-14 18:16:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2021-12-14 18:16:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-14 18:16:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-14 18:16:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:16:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:16:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:16:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:16:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:16:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:16:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:16:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:16:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-12-14 18:16:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-12-14 18:16:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-12-14 18:16:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-12-14 18:16:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:16:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:16:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-12-14 18:16:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-12-14 18:16:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:16:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:16:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:16:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:16:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:16:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:16:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:16:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:16:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-12-14 18:16:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-12-14 18:16:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:16:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:16:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 18:16:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 18:16:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:16:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-14 18:16:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-14 18:16:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-12-14 18:16:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-12-14 18:16:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:16:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:16:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-12-14 18:16:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-12-14 18:16:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 18:16:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 18:16:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:16:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:16:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:16:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:16:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:16:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-12-14 18:16:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-12-14 18:16:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:16:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:16:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:16:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:16:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-12-14 18:16:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-12-14 18:16:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:16:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2021-12-14 18:16:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2021-12-14 18:16:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:16:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:16:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:16:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-14 18:16:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-14 18:16:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:16:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:16:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 18:16:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 18:16:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-14 18:16:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-14 18:16:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:16:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:16:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-12-14 18:16:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-12-14 18:16:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:16:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:16:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:16:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:16:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-12-14 18:16:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-12-14 18:16:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:16:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:16:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:16:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-12-14 18:16:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-12-14 18:16:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:16:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:16:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:16:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2021-12-14 18:16:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2021-12-14 18:16:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:16:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:16:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:16:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:16:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-14 18:16:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-14 18:16:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-12-14 18:16:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-12-14 18:16:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-14 18:16:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-14 18:16:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-12-14 18:16:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-12-14 18:16:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:16:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:16:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 18:16:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 18:16:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:16:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:16:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-12-14 18:16:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-12-14 18:16:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2021-12-14 18:16:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2021-12-14 18:16:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 18:16:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 18:16:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:16:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:16:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:16:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:16:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-12-14 18:16:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-12-14 18:16:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-14 18:16:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-14 18:16:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-14 18:16:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-14 18:16:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:16:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:16:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 18:16:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 18:16:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:16:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:16:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:16:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:16:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:16:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:16:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:16:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 18:16:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:16:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:16:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 18:16:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 18:16:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-12-14 18:16:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-12-14 18:16:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2021-12-14 18:16:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2021-12-14 18:16:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:16:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:16:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-14 18:16:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-14 18:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:16:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:16:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2021-12-14 18:16:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2021-12-14 18:16:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:16:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:16:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:16:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:16:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-12-14 18:16:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-12-14 18:16:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:16:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:16:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:16:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:16:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 18:16:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 18:16:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-14 18:16:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-14 18:16:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:16:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:16:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:16:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 18:16:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 18:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:16:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-12-14 18:16:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-12-14 18:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-12-14 18:16:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-12-14 18:16:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-12-14 18:16:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-12-14 18:16:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:16:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:16:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:16:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:16:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-12-14 18:16:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-12-14 18:16:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:16:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-14 18:16:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-14 18:16:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-12-14 18:16:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-12-14 18:16:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:16:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:16:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:16:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:16:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:16:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:16:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:16:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:16:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:16:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:16:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:16:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:16:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:16:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:16:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2021-12-14 18:16:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2021-12-14 18:16:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2021-12-14 18:16:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2021-12-14 18:16:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-12-14 18:16:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-12-14 18:16:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-12-14 18:16:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-12-14 18:16:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-12-14 18:16:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-12-14 18:16:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:16:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:16:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-14 18:16:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-14 18:16:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:16:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:16:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-14 18:16:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-14 18:16:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 18:16:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 18:16:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-12-14 18:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-12-14 18:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2021-12-14 18:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2021-12-14 18:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-12-14 18:16:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-12-14 18:16:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-12-14 18:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-12-14 18:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-12-14 18:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-12-14 18:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:16:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:16:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2021-12-14 18:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2021-12-14 18:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-12-14 18:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-12-14 18:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-14 18:16:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-14 18:16:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-14 18:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-14 18:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2021-12-14 18:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2021-12-14 18:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 18:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-12-14 18:16:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-12-14 18:16:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:16:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:16:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:16:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:16:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-12-14 18:16:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-12-14 18:16:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-14 18:16:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-14 18:16:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:16:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:16:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:16:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:16:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:16:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-14 18:16:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-14 18:16:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-12-14 18:16:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-12-14 18:16:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-12-14 18:16:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-12-14 18:16:38,831 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:16:38,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:16:38,997 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:16:45,071 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:16:45,096 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:16:45,096 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:16:45,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:16:45 BoogieIcfgContainer [2021-12-14 18:16:45,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:16:45,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:16:45,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:16:45,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:16:45,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:16:34" (1/3) ... [2021-12-14 18:16:45,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59574ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:16:45, skipping insertion in model container [2021-12-14 18:16:45,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:16:37" (2/3) ... [2021-12-14 18:16:45,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59574ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:16:45, skipping insertion in model container [2021-12-14 18:16:45,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:16:45" (3/3) ... [2021-12-14 18:16:45,160 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-12-14 18:16:45,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:16:45,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:16:45,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:16:45,211 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 [2021-12-14 18:16:45,212 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:16:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) [2021-12-14 18:16:45,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-14 18:16:45,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:16:45,274 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:16:45,275 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:16:45,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:16:45,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2021-12-14 18:16:45,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:16:45,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985401955] [2021-12-14 18:16:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:16:45,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:16:45,563 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-14 18:16:45,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142145479] [2021-12-14 18:16:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:16:45,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 18:16:45,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:16:45,565 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) [2021-12-14 18:16:45,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 18:16:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:46,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 3298 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 18:16:46,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 18:16:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-14 18:16:46,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 18:16:46,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:16:46,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985401955] [2021-12-14 18:16:46,777 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-14 18:16:46,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142145479] [2021-12-14 18:16:46,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142145479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:16:46,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:16:46,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 18:16:46,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217557912] [2021-12-14 18:16:46,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:16:46,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 18:16:46,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:16:46,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 18:16:46,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 18:16:46,812 INFO L87 Difference]: Start difference. First operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:16:47,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:16:47,172 INFO L93 Difference]: Finished difference Result 7516 states and 10737 transitions. [2021-12-14 18:16:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 18:16:47,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 175 [2021-12-14 18:16:47,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:16:47,208 INFO L225 Difference]: With dead ends: 7516 [2021-12-14 18:16:47,209 INFO L226 Difference]: Without dead ends: 4738 [2021-12-14 18:16:47,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 18:16:47,228 INFO L933 BasicCegarLoop]: 4332 mSDtfsCounter, 2950 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 8028 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:16:47,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2950 Valid, 8028 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-14 18:16:47,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2021-12-14 18:16:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4688. [2021-12-14 18:16:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 3247 states have (on average 1.312596242685556) internal successors, (4262), 3296 states have internal predecessors, (4262), 1185 states have call successors, (1185), 257 states have call predecessors, (1185), 255 states have return successors, (1184), 1169 states have call predecessors, (1184), 1184 states have call successors, (1184) [2021-12-14 18:16:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6631 transitions. [2021-12-14 18:16:47,609 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6631 transitions. Word has length 175 [2021-12-14 18:16:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:16:47,610 INFO L470 AbstractCegarLoop]: Abstraction has 4688 states and 6631 transitions. [2021-12-14 18:16:47,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:16:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6631 transitions. [2021-12-14 18:16:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-14 18:16:47,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:16:47,618 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:16:47,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-14 18:16:47,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-12-14 18:16:47,844 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:16:47,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:16:47,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1325061642, now seen corresponding path program 1 times [2021-12-14 18:16:47,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:16:47,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748294558] [2021-12-14 18:16:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:16:47,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:16:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:16:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:16:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:16:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:16:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:16:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:16:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:16:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:16:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:16:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:16:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:16:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:16:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:16:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:16:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-14 18:16:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:16:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:16:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 18:16:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:16:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-12-14 18:16:48,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:16:48,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748294558] [2021-12-14 18:16:48,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748294558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:16:48,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:16:48,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:16:48,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741579549] [2021-12-14 18:16:48,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:16:48,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:16:48,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:16:48,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:16:48,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:16:48,628 INFO L87 Difference]: Start difference. First operand 4688 states and 6631 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-14 18:16:52,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:16:57,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:16:59,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:17:02,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:17:02,323 INFO L93 Difference]: Finished difference Result 14592 states and 20906 transitions. [2021-12-14 18:17:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:17:02,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 251 [2021-12-14 18:17:02,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:17:02,396 INFO L225 Difference]: With dead ends: 14592 [2021-12-14 18:17:02,397 INFO L226 Difference]: Without dead ends: 9935 [2021-12-14 18:17:02,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:17:02,419 INFO L933 BasicCegarLoop]: 4050 mSDtfsCounter, 8183 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 3110 mSolverCounterSat, 5747 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8614 SdHoareTripleChecker+Valid, 8708 SdHoareTripleChecker+Invalid, 8860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5747 IncrementalHoareTripleChecker+Valid, 3110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:17:02,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8614 Valid, 8708 Invalid, 8860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5747 Valid, 3110 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2021-12-14 18:17:02,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9935 states. [2021-12-14 18:17:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9935 to 8699. [2021-12-14 18:17:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8699 states, 6033 states have (on average 1.3109564064312946) internal successors, (7909), 6127 states have internal predecessors, (7909), 2170 states have call successors, (2170), 499 states have call predecessors, (2170), 495 states have return successors, (2169), 2138 states have call predecessors, (2169), 2169 states have call successors, (2169) [2021-12-14 18:17:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8699 states to 8699 states and 12248 transitions. [2021-12-14 18:17:02,789 INFO L78 Accepts]: Start accepts. Automaton has 8699 states and 12248 transitions. Word has length 251 [2021-12-14 18:17:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:17:02,791 INFO L470 AbstractCegarLoop]: Abstraction has 8699 states and 12248 transitions. [2021-12-14 18:17:02,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-14 18:17:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 8699 states and 12248 transitions. [2021-12-14 18:17:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-14 18:17:02,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:17:02,806 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:17:02,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:17:02,807 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:17:02,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:17:02,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1856672465, now seen corresponding path program 1 times [2021-12-14 18:17:02,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:17:02,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763727280] [2021-12-14 18:17:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:17:02,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:17:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:17:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:17:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:17:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:17:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:17:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:17:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:17:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:17:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:17:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:17:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-14 18:17:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:17:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-14 18:17:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-14 18:17:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-14 18:17:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 18:17:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-14 18:17:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:17:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 18:17:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-14 18:17:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-14 18:17:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:17:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2021-12-14 18:17:03,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:17:03,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763727280] [2021-12-14 18:17:03,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763727280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:17:03,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:17:03,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:17:03,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566318182] [2021-12-14 18:17:03,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:17:03,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:17:03,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:17:03,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:17:03,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:17:03,641 INFO L87 Difference]: Start difference. First operand 8699 states and 12248 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 18:17:09,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:17:11,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:17:15,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:17:22,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:17:25,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:17:25,475 INFO L93 Difference]: Finished difference Result 19280 states and 27847 transitions. [2021-12-14 18:17:25,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:17:25,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 358 [2021-12-14 18:17:25,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:17:25,594 INFO L225 Difference]: With dead ends: 19280 [2021-12-14 18:17:25,594 INFO L226 Difference]: Without dead ends: 19277 [2021-12-14 18:17:25,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-14 18:17:25,614 INFO L933 BasicCegarLoop]: 4381 mSDtfsCounter, 6603 mSDsluCounter, 9500 mSDsCounter, 0 mSdLazyCounter, 7831 mSolverCounterSat, 4239 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7124 SdHoareTripleChecker+Valid, 13881 SdHoareTripleChecker+Invalid, 12073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4239 IncrementalHoareTripleChecker+Valid, 7831 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:17:25,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7124 Valid, 13881 Invalid, 12073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4239 Valid, 7831 Invalid, 3 Unknown, 0 Unchecked, 21.0s Time] [2021-12-14 18:17:25,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19277 states. [2021-12-14 18:17:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19277 to 17179. [2021-12-14 18:17:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17179 states, 11956 states have (on average 1.313231850117096) internal successors, (15701), 12126 states have internal predecessors, (15701), 4250 states have call successors, (4250), 968 states have call predecessors, (4250), 972 states have return successors, (4317), 4202 states have call predecessors, (4317), 4249 states have call successors, (4317) [2021-12-14 18:17:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17179 states to 17179 states and 24268 transitions. [2021-12-14 18:17:26,249 INFO L78 Accepts]: Start accepts. Automaton has 17179 states and 24268 transitions. Word has length 358 [2021-12-14 18:17:26,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:17:26,251 INFO L470 AbstractCegarLoop]: Abstraction has 17179 states and 24268 transitions. [2021-12-14 18:17:26,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 18:17:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 17179 states and 24268 transitions. [2021-12-14 18:17:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-14 18:17:26,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:17:26,287 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:17:26,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:17:26,287 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:17:26,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:17:26,288 INFO L85 PathProgramCache]: Analyzing trace with hash -437176915, now seen corresponding path program 1 times [2021-12-14 18:17:26,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:17:26,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879463941] [2021-12-14 18:17:26,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:17:26,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:17:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:17:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:17:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:17:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:17:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:17:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:17:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:17:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:17:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:17:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:17:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 18:17:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:17:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:17:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:17:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:17:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-14 18:17:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-14 18:17:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:17:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:17:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 18:17:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-14 18:17:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-14 18:17:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-14 18:17:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-14 18:17:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:17:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-14 18:17:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-14 18:17:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-14 18:17:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-14 18:17:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-14 18:17:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:17:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-14 18:17:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-14 18:17:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-14 18:17:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-14 18:17:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-14 18:17:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:17:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-14 18:17:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-14 18:17:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-14 18:17:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-14 18:17:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-14 18:17:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-14 18:17:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:17:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-14 18:17:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-14 18:17:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:17:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-12-14 18:17:27,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:17:27,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879463941] [2021-12-14 18:17:27,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879463941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:17:27,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:17:27,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 18:17:27,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949148724] [2021-12-14 18:17:27,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:17:27,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 18:17:27,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:17:27,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 18:17:27,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:17:27,148 INFO L87 Difference]: Start difference. First operand 17179 states and 24268 transitions. Second operand has 8 states, 8 states have (on average 29.375) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-14 18:17:34,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:17:36,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []