./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--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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--atlx--atl1.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 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 08:20:21,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 08:20:21,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 08:20:21,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 08:20:21,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 08:20:21,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 08:20:21,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 08:20:21,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 08:20:21,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 08:20:21,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 08:20:21,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 08:20:21,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 08:20:21,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 08:20:21,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 08:20:21,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 08:20:21,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 08:20:21,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 08:20:21,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 08:20:21,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 08:20:21,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 08:20:21,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 08:20:21,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 08:20:21,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 08:20:21,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 08:20:21,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 08:20:21,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 08:20:21,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 08:20:21,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 08:20:21,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 08:20:21,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 08:20:21,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 08:20:21,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 08:20:21,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 08:20:21,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 08:20:21,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 08:20:21,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 08:20:21,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 08:20:21,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 08:20:21,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 08:20:21,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 08:20:21,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 08:20:21,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 08:20:21,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 08:20:21,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 08:20:21,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 08:20:21,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 08:20:21,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 08:20:21,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 08:20:21,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 08:20:21,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 08:20:21,237 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 08:20:21,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 08:20:21,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 08:20:21,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 08:20:21,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 08:20:21,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 08:20:21,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 08:20:21,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 08:20:21,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 08:20:21,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 08:20:21,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 08:20:21,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 08:20:21,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 08:20:21,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:20:21,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 08:20:21,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 08:20:21,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 08:20:21,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 08:20:21,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 08:20:21,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 08:20:21,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 08:20:21,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 08:20:21,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 08:20:21,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 [2021-12-18 08:20:21,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 08:20:21,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 08:20:21,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 08:20:21,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 08:20:21,474 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 08:20:21,475 INFO L432 ainManager$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--atlx--atl1.ko-entry_point.cil.out.i [2021-12-18 08:20:21,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1093341/ef7882d6c41c451eac665d412eb7cb66/FLAG088bcfc76 [2021-12-18 08:20:22,416 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 08:20:22,416 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--atlx--atl1.ko-entry_point.cil.out.i [2021-12-18 08:20:22,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1093341/ef7882d6c41c451eac665d412eb7cb66/FLAG088bcfc76 [2021-12-18 08:20:22,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1093341/ef7882d6c41c451eac665d412eb7cb66 [2021-12-18 08:20:22,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 08:20:22,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 08:20:22,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 08:20:22,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 08:20:22,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 08:20:22,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:20:22" (1/1) ... [2021-12-18 08:20:22,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2669de65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:22, skipping insertion in model container [2021-12-18 08:20:22,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:20:22" (1/1) ... [2021-12-18 08:20:22,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 08:20:22,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 08:20:25,368 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--atlx--atl1.ko-entry_point.cil.out.i[401891,401904] [2021-12-18 08:20:25,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:20:25,544 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 08:20:25,966 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--atlx--atl1.ko-entry_point.cil.out.i[401891,401904] [2021-12-18 08:20:25,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:20:26,223 INFO L208 MainTranslator]: Completed translation [2021-12-18 08:20:26,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26 WrapperNode [2021-12-18 08:20:26,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 08:20:26,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 08:20:26,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 08:20:26,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 08:20:26,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:26,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:26,851 INFO L137 Inliner]: procedures = 405, calls = 3582, calls flagged for inlining = 230, calls inlined = 208, statements flattened = 10912 [2021-12-18 08:20:26,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 08:20:26,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 08:20:26,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 08:20:26,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 08:20:26,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:26,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:26,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:26,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:27,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:27,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:27,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:27,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 08:20:27,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 08:20:27,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 08:20:27,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 08:20:27,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (1/1) ... [2021-12-18 08:20:27,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:20:27,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:20:27,373 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) [2021-12-18 08:20:27,406 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 [2021-12-18 08:20:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_link_chg_task [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_link_chg_task [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 08:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-18 08:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-18 08:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 08:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_dev_task [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_dev_task [2021-12-18 08:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 08:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 08:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2021-12-18 08:20:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2021-12-18 08:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 08:20:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 08:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2021-12-18 08:20:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2021-12-18 08:20:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 08:20:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 08:20:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 08:20:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 08:20:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 08:20:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 08:20:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 08:20:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 08:20:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 08:20:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2021-12-18 08:20:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2021-12-18 08:20:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 08:20:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 08:20:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 08:20:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 08:20:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 08:20:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 08:20:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 08:20:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 08:20:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 08:20:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-18 08:20:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-18 08:20:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 08:20:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 08:20:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2021-12-18 08:20:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2021-12-18 08:20:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 08:20:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 08:20:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 08:20:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 08:20:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2021-12-18 08:20:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2021-12-18 08:20:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 08:20:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 08:20:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 08:20:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 08:20:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2021-12-18 08:20:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2021-12-18 08:20:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 08:20:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 08:20:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 08:20:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 08:20:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 08:20:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 08:20:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 08:20:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2021-12-18 08:20:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2021-12-18 08:20:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-18 08:20:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-18 08:20:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2021-12-18 08:20:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2021-12-18 08:20:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 08:20:27,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 08:20:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2021-12-18 08:20:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2021-12-18 08:20:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2021-12-18 08:20:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2021-12-18 08:20:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 08:20:27,448 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 08:20:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 08:20:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 08:20:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 08:20:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 08:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 08:20:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 08:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 08:20:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 08:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 08:20:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 08:20:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 08:20:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 08:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-18 08:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-18 08:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 08:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 08:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2021-12-18 08:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2021-12-18 08:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2021-12-18 08:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2021-12-18 08:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2021-12-18 08:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2021-12-18 08:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 08:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 08:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 08:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 08:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2021-12-18 08:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2021-12-18 08:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 08:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 08:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 08:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 08:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 08:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 08:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 08:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 08:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-12-18 08:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-12-18 08:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 08:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 08:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 08:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2021-12-18 08:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2021-12-18 08:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 08:20:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 08:20:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 08:20:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 08:20:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 08:20:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 08:20:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2021-12-18 08:20:27,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2021-12-18 08:20:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 08:20:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 08:20:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2021-12-18 08:20:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2021-12-18 08:20:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 08:20:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 08:20:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 08:20:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 08:20:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 08:20:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 08:20:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2021-12-18 08:20:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2021-12-18 08:20:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2021-12-18 08:20:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2021-12-18 08:20:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 08:20:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 08:20:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-18 08:20:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-18 08:20:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 08:20:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 08:20:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2021-12-18 08:20:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2021-12-18 08:20:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-12-18 08:20:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-12-18 08:20:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 08:20:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 08:20:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 08:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 08:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2021-12-18 08:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2021-12-18 08:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 08:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 08:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 08:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 08:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 08:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 08:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 08:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2021-12-18 08:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2021-12-18 08:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2021-12-18 08:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2021-12-18 08:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2021-12-18 08:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2021-12-18 08:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-18 08:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-18 08:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2021-12-18 08:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2021-12-18 08:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-18 08:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-18 08:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2021-12-18 08:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2021-12-18 08:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 08:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 08:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2021-12-18 08:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2021-12-18 08:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 08:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 08:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 08:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 08:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 08:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 08:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2021-12-18 08:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2021-12-18 08:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 08:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2021-12-18 08:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2021-12-18 08:20:28,693 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 08:20:28,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 08:20:28,851 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 08:30:16,710 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 08:30:16,741 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 08:30:16,741 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 08:30:16,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:30:16 BoogieIcfgContainer [2021-12-18 08:30:16,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 08:30:16,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 08:30:16,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 08:30:16,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 08:30:16,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 08:20:22" (1/3) ... [2021-12-18 08:30:16,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fce557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:30:16, skipping insertion in model container [2021-12-18 08:30:16,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:20:26" (2/3) ... [2021-12-18 08:30:16,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fce557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:30:16, skipping insertion in model container [2021-12-18 08:30:16,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:30:16" (3/3) ... [2021-12-18 08:30:16,759 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-12-18 08:30:16,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 08:30:16,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 08:30:16,817 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 08:30:16,821 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 [2021-12-18 08:30:16,822 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 08:30:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 5056 states, 4386 states have (on average 1.4450524395804833) internal successors, (6338), 4416 states have internal predecessors, (6338), 559 states have call successors, (559), 110 states have call predecessors, (559), 109 states have return successors, (548), 545 states have call predecessors, (548), 548 states have call successors, (548) [2021-12-18 08:30:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-18 08:30:16,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:30:16,912 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:30:16,912 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:30:16,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:30:16,916 INFO L85 PathProgramCache]: Analyzing trace with hash 609472826, now seen corresponding path program 1 times [2021-12-18 08:30:16,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:30:16,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31513906] [2021-12-18 08:30:16,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:30:16,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:30:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:30:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:30:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:30:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:30:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:30:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:30:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:30:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:30:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:30:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:30:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:30:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 08:30:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 08:30:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 08:30:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 08:30:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 08:30:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:30:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:30:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:30:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 08:30:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 08:30:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:30:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-12-18 08:30:18,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:30:18,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31513906] [2021-12-18 08:30:18,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31513906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:30:18,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:30:18,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 08:30:18,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106971014] [2021-12-18 08:30:18,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:30:18,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 08:30:18,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:30:18,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 08:30:18,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 08:30:18,779 INFO L87 Difference]: Start difference. First operand has 5056 states, 4386 states have (on average 1.4450524395804833) internal successors, (6338), 4416 states have internal predecessors, (6338), 559 states have call successors, (559), 110 states have call predecessors, (559), 109 states have return successors, (548), 545 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 08:30:20,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:23,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:27,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:29,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:33,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:35,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:40,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:42,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:47,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:49,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:51,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:53,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:30:59,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:01,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:03,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:05,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:31:09,021 INFO L93 Difference]: Finished difference Result 10329 states and 15320 transitions. [2021-12-18 08:31:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 08:31:09,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 273 [2021-12-18 08:31:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:31:09,084 INFO L225 Difference]: With dead ends: 10329 [2021-12-18 08:31:09,085 INFO L226 Difference]: Without dead ends: 5251 [2021-12-18 08:31:09,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 08:31:09,110 INFO L933 BasicCegarLoop]: 7356 mSDtfsCounter, 1130 mSDsluCounter, 16622 mSDsCounter, 0 mSdLazyCounter, 3033 mSolverCounterSat, 1353 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 23978 SdHoareTripleChecker+Invalid, 4401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1353 IncrementalHoareTripleChecker+Valid, 3033 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2021-12-18 08:31:09,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1151 Valid, 23978 Invalid, 4401 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1353 Valid, 3033 Invalid, 15 Unknown, 0 Unchecked, 49.6s Time] [2021-12-18 08:31:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2021-12-18 08:31:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5029. [2021-12-18 08:31:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5029 states, 4372 states have (on average 1.4419030192131748) internal successors, (6304), 4389 states have internal predecessors, (6304), 548 states have call successors, (548), 109 states have call predecessors, (548), 108 states have return successors, (547), 544 states have call predecessors, (547), 547 states have call successors, (547) [2021-12-18 08:31:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 7399 transitions. [2021-12-18 08:31:09,333 INFO L78 Accepts]: Start accepts. Automaton has 5029 states and 7399 transitions. Word has length 273 [2021-12-18 08:31:09,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:31:09,335 INFO L470 AbstractCegarLoop]: Abstraction has 5029 states and 7399 transitions. [2021-12-18 08:31:09,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 08:31:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5029 states and 7399 transitions. [2021-12-18 08:31:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-18 08:31:09,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:31:09,341 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:31:09,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 08:31:09,341 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:31:09,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:31:09,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1912064422, now seen corresponding path program 1 times [2021-12-18 08:31:09,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:31:09,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738338841] [2021-12-18 08:31:09,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:31:09,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:31:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:31:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:31:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:31:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:31:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:31:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:31:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:31:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:31:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:31:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:31:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 08:31:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 08:31:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 08:31:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 08:31:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 08:31:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:31:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:31:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 08:31:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 08:31:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-12-18 08:31:10,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:31:10,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738338841] [2021-12-18 08:31:10,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738338841] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:31:10,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:31:10,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 08:31:10,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854122036] [2021-12-18 08:31:10,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:31:10,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 08:31:10,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:31:10,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 08:31:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 08:31:10,669 INFO L87 Difference]: Start difference. First operand 5029 states and 7399 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 08:31:12,758 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 [] [2021-12-18 08:31:16,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:18,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:21,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:23,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:25,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:30,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:34,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:38,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:41,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:44,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:46,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:50,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:51,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:31:51,438 INFO L93 Difference]: Finished difference Result 14932 states and 22084 transitions. [2021-12-18 08:31:51,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 08:31:51,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 273 [2021-12-18 08:31:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:31:51,501 INFO L225 Difference]: With dead ends: 14932 [2021-12-18 08:31:51,501 INFO L226 Difference]: Without dead ends: 9948 [2021-12-18 08:31:51,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:31:51,523 INFO L933 BasicCegarLoop]: 7643 mSDtfsCounter, 9584 mSDsluCounter, 12450 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 3826 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9870 SdHoareTripleChecker+Valid, 20093 SdHoareTripleChecker+Invalid, 6192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3826 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:31:51,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9870 Valid, 20093 Invalid, 6192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3826 Valid, 2353 Invalid, 13 Unknown, 0 Unchecked, 39.9s Time] [2021-12-18 08:31:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9948 states. [2021-12-18 08:31:51,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9948 to 9495. [2021-12-18 08:31:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9495 states, 8357 states have (on average 1.4484862989110925) internal successors, (12105), 8391 states have internal predecessors, (12105), 942 states have call successors, (942), 196 states have call predecessors, (942), 195 states have return successors, (941), 932 states have call predecessors, (941), 941 states have call successors, (941) [2021-12-18 08:31:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 13988 transitions. [2021-12-18 08:31:51,818 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 13988 transitions. Word has length 273 [2021-12-18 08:31:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:31:51,819 INFO L470 AbstractCegarLoop]: Abstraction has 9495 states and 13988 transitions. [2021-12-18 08:31:51,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 08:31:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 13988 transitions. [2021-12-18 08:31:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-12-18 08:31:51,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:31:51,824 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2021-12-18 08:31:51,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 08:31:51,825 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:31:51,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:31:51,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1975122466, now seen corresponding path program 1 times [2021-12-18 08:31:51,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:31:51,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310258944] [2021-12-18 08:31:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:31:51,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:31:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:31:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:31:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:31:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:31:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:31:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:31:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:31:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:31:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:31:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:31:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:31:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 08:31:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 08:31:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 08:31:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 08:31:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 08:31:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:31:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:31:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 08:31:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 08:31:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 08:31:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:31:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:31:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-12-18 08:31:53,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:31:53,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310258944] [2021-12-18 08:31:53,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310258944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:31:53,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:31:53,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 08:31:53,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280344818] [2021-12-18 08:31:53,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:31:53,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 08:31:53,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:31:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 08:31:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 08:31:53,285 INFO L87 Difference]: Start difference. First operand 9495 states and 13988 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 08:31:55,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:31:57,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:00,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:03,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:05,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:08,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:11,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:13,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:15,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:17,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:26,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:28,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:30,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:34,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:36,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:38,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:42,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:44,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:46,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:48,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:50,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:52,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:54,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:57,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:32:59,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:05,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:07,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:09,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:11,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:13,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:15,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:26,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:31,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:33,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:35,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:37,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:33:37,657 INFO L93 Difference]: Finished difference Result 23362 states and 34428 transitions. [2021-12-18 08:33:37,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 08:33:37,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 315 [2021-12-18 08:33:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:33:37,736 INFO L225 Difference]: With dead ends: 23362 [2021-12-18 08:33:37,737 INFO L226 Difference]: Without dead ends: 13912 [2021-12-18 08:33:37,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:33:37,759 INFO L933 BasicCegarLoop]: 7812 mSDtfsCounter, 4789 mSDsluCounter, 23678 mSDsCounter, 0 mSdLazyCounter, 5055 mSolverCounterSat, 2770 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5140 SdHoareTripleChecker+Valid, 31490 SdHoareTripleChecker+Invalid, 7855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2770 IncrementalHoareTripleChecker+Valid, 5055 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.4s IncrementalHoareTripleChecker+Time [2021-12-18 08:33:37,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5140 Valid, 31490 Invalid, 7855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2770 Valid, 5055 Invalid, 30 Unknown, 0 Unchecked, 103.4s Time] [2021-12-18 08:33:37,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13912 states. [2021-12-18 08:33:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13912 to 13070. [2021-12-18 08:33:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13070 states, 10938 states have (on average 1.4237520570488207) internal successors, (15573), 11002 states have internal predecessors, (15573), 1750 states have call successors, (1750), 382 states have call predecessors, (1750), 381 states have return successors, (1749), 1731 states have call predecessors, (1749), 1749 states have call successors, (1749) [2021-12-18 08:33:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13070 states to 13070 states and 19072 transitions. [2021-12-18 08:33:38,029 INFO L78 Accepts]: Start accepts. Automaton has 13070 states and 19072 transitions. Word has length 315 [2021-12-18 08:33:38,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:33:38,030 INFO L470 AbstractCegarLoop]: Abstraction has 13070 states and 19072 transitions. [2021-12-18 08:33:38,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 08:33:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 13070 states and 19072 transitions. [2021-12-18 08:33:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-12-18 08:33:38,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:33:38,041 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2021-12-18 08:33:38,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 08:33:38,041 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:33:38,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:33:38,042 INFO L85 PathProgramCache]: Analyzing trace with hash -980953370, now seen corresponding path program 1 times [2021-12-18 08:33:38,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:33:38,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532414828] [2021-12-18 08:33:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:33:38,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:33:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:33:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:33:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:33:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:33:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:33:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:33:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 08:33:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 08:33:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 08:33:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 08:33:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 08:33:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 08:33:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 08:33:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 08:33:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 08:33:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:33:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:33:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 08:33:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 08:33:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 08:33:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 08:33:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:33:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 08:33:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 08:33:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:33:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 08:33:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 08:33:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-18 08:33:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:33:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:33:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-12-18 08:33:40,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:33:40,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532414828] [2021-12-18 08:33:40,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532414828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:33:40,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:33:40,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 08:33:40,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607961276] [2021-12-18 08:33:40,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:33:40,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 08:33:40,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:33:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 08:33:40,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 08:33:40,119 INFO L87 Difference]: Start difference. First operand 13070 states and 19072 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 08:33:42,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:44,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:48,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:50,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:53,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:33:55,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:04,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:06,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:10,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:12,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:14,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:16,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:19,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:21,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:23,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:25,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:34:31,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:34:31,705 INFO L93 Difference]: Finished difference Result 14935 states and 22022 transitions. [2021-12-18 08:34:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 08:34:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 448 [2021-12-18 08:34:31,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:34:31,710 INFO L225 Difference]: With dead ends: 14935 [2021-12-18 08:34:31,710 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 08:34:31,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 08:34:31,751 INFO L933 BasicCegarLoop]: 7600 mSDtfsCounter, 7947 mSDsluCounter, 11688 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 1637 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8277 SdHoareTripleChecker+Valid, 19288 SdHoareTripleChecker+Invalid, 4213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.7s IncrementalHoareTripleChecker+Time [2021-12-18 08:34:31,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8277 Valid, 19288 Invalid, 4213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1637 Valid, 2561 Invalid, 15 Unknown, 0 Unchecked, 50.7s Time] [2021-12-18 08:34:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 08:34:31,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 08:34:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 08:34:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 08:34:31,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 448 [2021-12-18 08:34:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:34:31,755 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 08:34:31,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 08:34:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 08:34:31,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 08:34:31,757 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 08:34:31,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 08:34:31,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15