./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 00:48:15,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 00:48:15,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 00:48:15,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 00:48:15,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 00:48:15,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 00:48:15,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 00:48:15,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 00:48:15,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 00:48:15,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 00:48:15,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 00:48:15,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 00:48:15,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 00:48:15,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 00:48:15,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 00:48:15,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 00:48:15,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 00:48:15,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 00:48:15,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 00:48:15,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 00:48:15,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 00:48:15,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 00:48:15,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 00:48:15,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 00:48:15,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 00:48:15,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 00:48:15,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 00:48:15,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 00:48:15,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 00:48:15,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 00:48:15,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 00:48:15,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 00:48:15,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 00:48:15,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 00:48:15,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 00:48:15,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 00:48:15,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 00:48:15,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 00:48:15,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 00:48:15,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 00:48:15,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 00:48:15,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 00:48:15,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 00:48:15,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 00:48:15,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 00:48:15,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 00:48:15,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 00:48:15,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 00:48:15,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 00:48:15,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 00:48:15,222 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 00:48:15,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 00:48:15,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 00:48:15,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 00:48:15,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 00:48:15,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 00:48:15,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 00:48:15,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 00:48:15,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 00:48:15,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 00:48:15,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 00:48:15,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 00:48:15,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 00:48:15,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 00:48:15,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 00:48:15,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 00:48:15,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 00:48:15,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 00:48:15,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 00:48:15,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 00:48:15,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 00:48:15,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 00:48:15,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 00:48:15,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2021-11-17 00:48:15,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 00:48:15,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 00:48:15,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 00:48:15,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 00:48:15,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 00:48:15,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 00:48:15,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd00a02a0/acd0517476d148f0ae5582ff55232dd6/FLAG32358de5b [2021-11-17 00:48:16,361 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 00:48:16,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 00:48:16,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd00a02a0/acd0517476d148f0ae5582ff55232dd6/FLAG32358de5b [2021-11-17 00:48:16,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd00a02a0/acd0517476d148f0ae5582ff55232dd6 [2021-11-17 00:48:16,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 00:48:16,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 00:48:16,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 00:48:16,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 00:48:16,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 00:48:16,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:48:16" (1/1) ... [2021-11-17 00:48:16,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1abc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:16, skipping insertion in model container [2021-11-17 00:48:16,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:48:16" (1/1) ... [2021-11-17 00:48:16,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 00:48:16,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 00:48:18,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-11-17 00:48:20,982 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 00:48:21,093 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 00:48:21,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2021-11-17 00:48:21,575 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 00:48:21,827 INFO L208 MainTranslator]: Completed translation [2021-11-17 00:48:21,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21 WrapperNode [2021-11-17 00:48:21,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 00:48:21,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 00:48:21,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 00:48:21,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 00:48:21,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,341 INFO L137 Inliner]: procedures = 597, calls = 7256, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14768 [2021-11-17 00:48:22,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 00:48:22,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 00:48:22,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 00:48:22,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 00:48:22,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 00:48:22,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 00:48:22,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 00:48:22,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 00:48:22,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (1/1) ... [2021-11-17 00:48:22,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 00:48:22,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:48:22,939 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) [2021-11-17 00:48:22,957 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 [2021-11-17 00:48:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 00:48:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 00:48:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-17 00:48:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-17 00:48:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 00:48:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-17 00:48:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-17 00:48:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 00:48:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 00:48:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 00:48:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 00:48:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-17 00:48:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-17 00:48:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 00:48:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 00:48:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-17 00:48:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-17 00:48:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-17 00:48:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-17 00:48:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-17 00:48:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-17 00:48:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-17 00:48:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-17 00:48:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-17 00:48:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-17 00:48:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 00:48:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 00:48:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-17 00:48:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-17 00:48:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-17 00:48:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-17 00:48:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 00:48:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 00:48:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 00:48:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 00:48:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-17 00:48:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-17 00:48:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 00:48:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 00:48:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 00:48:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 00:48:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 00:48:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 00:48:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-17 00:48:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-17 00:48:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-17 00:48:22,992 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-17 00:48:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 00:48:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 00:48:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-17 00:48:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-17 00:48:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-17 00:48:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-17 00:48:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-17 00:48:22,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-17 00:48:22,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-17 00:48:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-17 00:48:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-17 00:48:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-17 00:48:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-17 00:48:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-17 00:48:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 00:48:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 00:48:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-17 00:48:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-17 00:48:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 00:48:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 00:48:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 00:48:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 00:48:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2021-11-17 00:48:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2021-11-17 00:48:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-17 00:48:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-17 00:48:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 00:48:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 00:48:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-17 00:48:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-17 00:48:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-17 00:48:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-17 00:48:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-17 00:48:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 00:48:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 00:48:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 00:48:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 00:48:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 00:48:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 00:48:23,000 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 00:48:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-17 00:48:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-17 00:48:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-17 00:48:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-17 00:48:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-17 00:48:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-17 00:48:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-17 00:48:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-17 00:48:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-17 00:48:23,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-17 00:48:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-17 00:48:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-17 00:48:23,003 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 00:48:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 00:48:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-17 00:48:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-17 00:48:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-17 00:48:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-17 00:48:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-17 00:48:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-17 00:48:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 00:48:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 00:48:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-17 00:48:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-17 00:48:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 00:48:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 00:48:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-17 00:48:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-17 00:48:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-17 00:48:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-17 00:48:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 00:48:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-17 00:48:23,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-17 00:48:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 00:48:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 00:48:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 00:48:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 00:48:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 00:48:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 00:48:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-17 00:48:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-17 00:48:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-17 00:48:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-17 00:48:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-17 00:48:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-17 00:48:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 00:48:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-17 00:48:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-17 00:48:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 00:48:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 00:48:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 00:48:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-17 00:48:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-17 00:48:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-17 00:48:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-17 00:48:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 00:48:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 00:48:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 00:48:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 00:48:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-17 00:48:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-17 00:48:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-17 00:48:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-17 00:48:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-17 00:48:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-17 00:48:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-17 00:48:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-17 00:48:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 00:48:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 00:48:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-17 00:48:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-17 00:48:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-17 00:48:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-17 00:48:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 00:48:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 00:48:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 00:48:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 00:48:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-17 00:48:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-17 00:48:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-17 00:48:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-17 00:48:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-17 00:48:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-17 00:48:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-17 00:48:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 00:48:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-17 00:48:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-17 00:48:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-17 00:48:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-17 00:48:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-17 00:48:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-17 00:48:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 00:48:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 00:48:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 00:48:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-17 00:48:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-17 00:48:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 00:48:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 00:48:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 00:48:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 00:48:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-17 00:48:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-17 00:48:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-17 00:48:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-17 00:48:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 00:48:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 00:48:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-17 00:48:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-17 00:48:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 00:48:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 00:48:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-17 00:48:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-17 00:48:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 00:48:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 00:48:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-17 00:48:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-17 00:48:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-17 00:48:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-17 00:48:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 00:48:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 00:48:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-17 00:48:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-17 00:48:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 00:48:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 00:48:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-17 00:48:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-17 00:48:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 00:48:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 00:48:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 00:48:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 00:48:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 00:48:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 00:48:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-17 00:48:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-17 00:48:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-17 00:48:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-17 00:48:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 00:48:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 00:48:23,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-17 00:48:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-17 00:48:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 00:48:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 00:48:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 00:48:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 00:48:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-17 00:48:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-17 00:48:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 00:48:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 00:48:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-17 00:48:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-17 00:48:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-17 00:48:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-17 00:48:23,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-17 00:48:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-17 00:48:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-17 00:48:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-17 00:48:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 00:48:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 00:48:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-17 00:48:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-17 00:48:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 00:48:23,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 00:48:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 00:48:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 00:48:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-17 00:48:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-17 00:48:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 00:48:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 00:48:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 00:48:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 00:48:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-17 00:48:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-17 00:48:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 00:48:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 00:48:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 00:48:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 00:48:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 00:48:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 00:48:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-17 00:48:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-17 00:48:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 00:48:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-17 00:48:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-17 00:48:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 00:48:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 00:48:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-17 00:48:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-17 00:48:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-17 00:48:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-17 00:48:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-17 00:48:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-17 00:48:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-17 00:48:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-17 00:48:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-17 00:48:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-17 00:48:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 00:48:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 00:48:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 00:48:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 00:48:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-11-17 00:48:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-11-17 00:48:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-17 00:48:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-17 00:48:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 00:48:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 00:48:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-17 00:48:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-17 00:48:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-17 00:48:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-17 00:48:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 00:48:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 00:48:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 00:48:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 00:48:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-17 00:48:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-17 00:48:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-17 00:48:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-17 00:48:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 00:48:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 00:48:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-17 00:48:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-17 00:48:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 00:48:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 00:48:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-17 00:48:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-17 00:48:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-17 00:48:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-17 00:48:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 00:48:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 00:48:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-17 00:48:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-17 00:48:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 00:48:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 00:48:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-17 00:48:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-17 00:48:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 00:48:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 00:48:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 00:48:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-17 00:48:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-17 00:48:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 00:48:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 00:48:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-17 00:48:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-17 00:48:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 00:48:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 00:48:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-17 00:48:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-17 00:48:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-17 00:48:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-17 00:48:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 00:48:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-17 00:48:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-17 00:48:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-17 00:48:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-17 00:48:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-17 00:48:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-17 00:48:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-17 00:48:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-17 00:48:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-17 00:48:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-17 00:48:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 00:48:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 00:48:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 00:48:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-17 00:48:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-17 00:48:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-17 00:48:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-17 00:48:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 00:48:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 00:48:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-17 00:48:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-17 00:48:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 00:48:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 00:48:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 00:48:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 00:48:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 00:48:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 00:48:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-17 00:48:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-17 00:48:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 00:48:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 00:48:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-17 00:48:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-17 00:48:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 00:48:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 00:48:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 00:48:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 00:48:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-17 00:48:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-17 00:48:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-17 00:48:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-17 00:48:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 00:48:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 00:48:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 00:48:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 00:48:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-17 00:48:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-17 00:48:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 00:48:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 00:48:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-17 00:48:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-17 00:48:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-17 00:48:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-17 00:48:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-17 00:48:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-17 00:48:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 00:48:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 00:48:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-17 00:48:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-17 00:48:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-17 00:48:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-17 00:48:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 00:48:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 00:48:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-17 00:48:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-17 00:48:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-17 00:48:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-17 00:48:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 00:48:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-17 00:48:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-17 00:48:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-17 00:48:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-17 00:48:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 00:48:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 00:48:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-17 00:48:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-17 00:48:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-17 00:48:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-17 00:48:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-17 00:48:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-17 00:48:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 00:48:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 00:48:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 00:48:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 00:48:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-17 00:48:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-17 00:48:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-17 00:48:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-17 00:48:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 00:48:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 00:48:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-17 00:48:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-17 00:48:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-17 00:48:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-17 00:48:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 00:48:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 00:48:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-17 00:48:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-17 00:48:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-17 00:48:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-17 00:48:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 00:48:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 00:48:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-17 00:48:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-17 00:48:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-17 00:48:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-17 00:48:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 00:48:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 00:48:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 00:48:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 00:48:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-17 00:48:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-17 00:48:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-17 00:48:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-17 00:48:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-17 00:48:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-17 00:48:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-17 00:48:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-17 00:48:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 00:48:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 00:48:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-17 00:48:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-17 00:48:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 00:48:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 00:48:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-17 00:48:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-17 00:48:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-17 00:48:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-17 00:48:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-17 00:48:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-17 00:48:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-17 00:48:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-17 00:48:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 00:48:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 00:48:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 00:48:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 00:48:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 00:48:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-17 00:48:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-17 00:48:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-17 00:48:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-17 00:48:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-17 00:48:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-17 00:48:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-17 00:48:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-17 00:48:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-17 00:48:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-17 00:48:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-17 00:48:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-17 00:48:24,388 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 00:48:24,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 00:48:24,507 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 00:48:46,963 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 00:48:46,989 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 00:48:46,989 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-17 00:48:46,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:48:46 BoogieIcfgContainer [2021-11-17 00:48:46,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 00:48:46,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 00:48:46,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 00:48:47,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 00:48:47,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:48:16" (1/3) ... [2021-11-17 00:48:47,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fe9f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:48:47, skipping insertion in model container [2021-11-17 00:48:47,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:48:21" (2/3) ... [2021-11-17 00:48:47,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fe9f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:48:47, skipping insertion in model container [2021-11-17 00:48:47,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:48:46" (3/3) ... [2021-11-17 00:48:47,003 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 00:48:47,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 00:48:47,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 00:48:47,065 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 00:48:47,081 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 [2021-11-17 00:48:47,082 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 00:48:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2021-11-17 00:48:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-17 00:48:47,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:48:47,178 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:48:47,178 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:48:47,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:48:47,182 INFO L85 PathProgramCache]: Analyzing trace with hash 581054647, now seen corresponding path program 1 times [2021-11-17 00:48:47,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:48:47,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596668539] [2021-11-17 00:48:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:48:47,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:48:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:48:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:48:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:48:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:48:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:48:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:48:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:48:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:48:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:48:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:48:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-17 00:48:48,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:48:48,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596668539] [2021-11-17 00:48:48,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596668539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:48:48,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:48:48,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:48:48,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887528421] [2021-11-17 00:48:48,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:48:48,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:48:48,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:48:48,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:48:48,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:48:48,158 INFO L87 Difference]: Start difference. First operand has 4909 states, 3479 states have (on average 1.3779821787870077) internal successors, (4794), 3552 states have internal predecessors, (4794), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-17 00:48:49,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:48:51,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:48:53,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:07,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:09,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:11,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:14,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:17,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:23,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:25,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:27,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:29,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:31,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:33,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:35,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:40,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:42,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:44,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:49:48,107 INFO L93 Difference]: Finished difference Result 16305 states and 24619 transitions. [2021-11-17 00:49:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 00:49:48,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2021-11-17 00:49:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:49:48,212 INFO L225 Difference]: With dead ends: 16305 [2021-11-17 00:49:48,212 INFO L226 Difference]: Without dead ends: 11351 [2021-11-17 00:49:48,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 00:49:48,252 INFO L933 BasicCegarLoop]: 7459 mSDtfsCounter, 14076 mSDsluCounter, 10973 mSDsCounter, 0 mSdLazyCounter, 8975 mSolverCounterSat, 8160 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14809 SdHoareTripleChecker+Valid, 18432 SdHoareTripleChecker+Invalid, 17150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8160 IncrementalHoareTripleChecker+Valid, 8975 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.8s IncrementalHoareTripleChecker+Time [2021-11-17 00:49:48,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14809 Valid, 18432 Invalid, 17150 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8160 Valid, 8975 Invalid, 15 Unknown, 0 Unchecked, 58.8s Time] [2021-11-17 00:49:48,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11351 states. [2021-11-17 00:49:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11351 to 10018. [2021-11-17 00:49:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10018 states, 7118 states have (on average 1.3728575442540039) internal successors, (9772), 7252 states have internal predecessors, (9772), 2412 states have call successors, (2412), 463 states have call predecessors, (2412), 487 states have return successors, (2557), 2397 states have call predecessors, (2557), 2411 states have call successors, (2557) [2021-11-17 00:49:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10018 states to 10018 states and 14741 transitions. [2021-11-17 00:49:48,989 INFO L78 Accepts]: Start accepts. Automaton has 10018 states and 14741 transitions. Word has length 76 [2021-11-17 00:49:48,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:49:48,991 INFO L470 AbstractCegarLoop]: Abstraction has 10018 states and 14741 transitions. [2021-11-17 00:49:48,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-17 00:49:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 10018 states and 14741 transitions. [2021-11-17 00:49:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-17 00:49:49,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:49:49,003 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:49:49,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 00:49:49,003 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:49:49,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:49:49,004 INFO L85 PathProgramCache]: Analyzing trace with hash -255162799, now seen corresponding path program 1 times [2021-11-17 00:49:49,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:49:49,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510078510] [2021-11-17 00:49:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:49:49,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:49:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:49:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:49:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:49:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:49:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:49:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:49:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:49:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:49:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:49:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:49:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-17 00:49:49,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:49:49,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510078510] [2021-11-17 00:49:49,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510078510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:49:49,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:49:49,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 00:49:49,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318850568] [2021-11-17 00:49:49,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:49:49,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 00:49:49,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:49:49,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 00:49:49,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 00:49:49,611 INFO L87 Difference]: Start difference. First operand 10018 states and 14741 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:49:51,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:49:53,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:10,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:12,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:18,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:20,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:27,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:29,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:32,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:34,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:37,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:39,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:41,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:50:47,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:50:47,459 INFO L93 Difference]: Finished difference Result 32641 states and 49092 transitions. [2021-11-17 00:50:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:50:47,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2021-11-17 00:50:47,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:50:47,599 INFO L225 Difference]: With dead ends: 32641 [2021-11-17 00:50:47,599 INFO L226 Difference]: Without dead ends: 22640 [2021-11-17 00:50:47,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-17 00:50:47,665 INFO L933 BasicCegarLoop]: 7912 mSDtfsCounter, 13654 mSDsluCounter, 25163 mSDsCounter, 0 mSdLazyCounter, 14575 mSolverCounterSat, 7847 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14373 SdHoareTripleChecker+Valid, 33075 SdHoareTripleChecker+Invalid, 22435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7847 IncrementalHoareTripleChecker+Valid, 14575 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.7s IncrementalHoareTripleChecker+Time [2021-11-17 00:50:47,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14373 Valid, 33075 Invalid, 22435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7847 Valid, 14575 Invalid, 13 Unknown, 0 Unchecked, 56.7s Time] [2021-11-17 00:50:47,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22640 states. [2021-11-17 00:50:48,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22640 to 20058. [2021-11-17 00:50:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20058 states, 14247 states have (on average 1.3727100442198357) internal successors, (19557), 14519 states have internal predecessors, (19557), 4820 states have call successors, (4820), 925 states have call predecessors, (4820), 990 states have return successors, (5270), 4803 states have call predecessors, (5270), 4819 states have call successors, (5270) [2021-11-17 00:50:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20058 states to 20058 states and 29647 transitions. [2021-11-17 00:50:48,821 INFO L78 Accepts]: Start accepts. Automaton has 20058 states and 29647 transitions. Word has length 79 [2021-11-17 00:50:48,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:50:48,823 INFO L470 AbstractCegarLoop]: Abstraction has 20058 states and 29647 transitions. [2021-11-17 00:50:48,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 00:50:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 20058 states and 29647 transitions. [2021-11-17 00:50:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-17 00:50:48,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:50:48,872 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:50:48,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 00:50:48,872 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:50:48,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:50:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash -527128406, now seen corresponding path program 1 times [2021-11-17 00:50:48,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:50:48,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25819827] [2021-11-17 00:50:48,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:50:48,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:50:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:50:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:50:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:50:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:50:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:50:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:50:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:50:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:50:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:50:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 00:50:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:50:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:50:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 00:50:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 00:50:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:50:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:50:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:50:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:50:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 00:50:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:50:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:50:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 00:50:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:50:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:50:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 00:50:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 00:50:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 00:50:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 00:50:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 00:50:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:50:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:50:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 00:50:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:50:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:50:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 00:50:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-17 00:50:50,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:50:50,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25819827] [2021-11-17 00:50:50,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25819827] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 00:50:50,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054477868] [2021-11-17 00:50:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:50:50,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:50:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:50:50,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 00:50:50,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 00:50:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:51,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 9004 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 00:50:51,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 00:50:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-17 00:50:52,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 00:50:52,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054477868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:50:52,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 00:50:52,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2021-11-17 00:50:52,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642777832] [2021-11-17 00:50:52,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:50:52,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 00:50:52,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:50:52,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 00:50:52,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-11-17 00:50:52,551 INFO L87 Difference]: Start difference. First operand 20058 states and 29647 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 00:50:53,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:50:53,684 INFO L93 Difference]: Finished difference Result 58730 states and 86861 transitions. [2021-11-17 00:50:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 00:50:53,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 346 [2021-11-17 00:50:53,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:50:53,926 INFO L225 Difference]: With dead ends: 58730 [2021-11-17 00:50:53,926 INFO L226 Difference]: Without dead ends: 38694 [2021-11-17 00:50:54,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-11-17 00:50:54,032 INFO L933 BasicCegarLoop]: 8229 mSDtfsCounter, 6603 mSDsluCounter, 7064 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6603 SdHoareTripleChecker+Valid, 15293 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 00:50:54,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6603 Valid, 15293 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 00:50:54,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38694 states. [2021-11-17 00:50:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38694 to 38682. [2021-11-17 00:50:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38682 states, 27525 states have (on average 1.3753315168029066) internal successors, (37856), 28063 states have internal predecessors, (37856), 9240 states have call successors, (9240), 1785 states have call predecessors, (9240), 1916 states have return successors, (10106), 9205 states have call predecessors, (10106), 9239 states have call successors, (10106) [2021-11-17 00:50:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38682 states to 38682 states and 57202 transitions. [2021-11-17 00:50:55,833 INFO L78 Accepts]: Start accepts. Automaton has 38682 states and 57202 transitions. Word has length 346 [2021-11-17 00:50:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:50:55,834 INFO L470 AbstractCegarLoop]: Abstraction has 38682 states and 57202 transitions. [2021-11-17 00:50:55,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 00:50:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 38682 states and 57202 transitions. [2021-11-17 00:50:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-17 00:50:56,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:50:56,013 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:50:56,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 00:50:56,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:50:56,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:50:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:50:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1536628174, now seen corresponding path program 1 times [2021-11-17 00:50:56,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:50:56,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648942] [2021-11-17 00:50:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:50:56,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:50:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:50:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:50:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:50:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:50:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:50:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:50:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:50:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:50:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:50:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 00:50:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 00:50:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:50:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:50:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:50:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 00:50:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:50:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:50:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 00:50:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:50:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:50:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 00:50:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 00:50:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 00:50:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 00:50:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 00:50:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:50:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:50:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 00:50:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:50:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:50:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 00:50:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:50:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-17 00:50:57,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:50:57,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648942] [2021-11-17 00:50:57,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648942] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 00:50:57,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640029601] [2021-11-17 00:50:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:50:57,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:50:57,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:50:57,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 00:50:57,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 00:50:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:50:59,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 8996 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 00:50:59,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 00:50:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-17 00:50:59,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 00:50:59,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640029601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:50:59,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 00:50:59,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2021-11-17 00:50:59,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937583653] [2021-11-17 00:50:59,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:50:59,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 00:50:59,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:50:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 00:50:59,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-11-17 00:50:59,864 INFO L87 Difference]: Start difference. First operand 38682 states and 57202 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 00:51:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:51:01,802 INFO L93 Difference]: Finished difference Result 114030 states and 168624 transitions. [2021-11-17 00:51:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 00:51:01,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 339 [2021-11-17 00:51:01,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:51:02,510 INFO L225 Difference]: With dead ends: 114030 [2021-11-17 00:51:02,511 INFO L226 Difference]: Without dead ends: 75370 [2021-11-17 00:51:02,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-11-17 00:51:02,834 INFO L933 BasicCegarLoop]: 8582 mSDtfsCounter, 6706 mSDsluCounter, 6964 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6706 SdHoareTripleChecker+Valid, 15546 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 00:51:02,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6706 Valid, 15546 Invalid, 181 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [41 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 00:51:03,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75370 states. [2021-11-17 00:51:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75370 to 75334. [2021-11-17 00:51:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75334 states, 53711 states have (on average 1.3732941110759436) internal successors, (73761), 54795 states have internal predecessors, (73761), 17874 states have call successors, (17874), 3497 states have call predecessors, (17874), 3748 states have return successors, (19507), 17785 states have call predecessors, (19507), 17873 states have call successors, (19507) [2021-11-17 00:51:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75334 states to 75334 states and 111142 transitions. [2021-11-17 00:51:06,456 INFO L78 Accepts]: Start accepts. Automaton has 75334 states and 111142 transitions. Word has length 339 [2021-11-17 00:51:06,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:51:06,457 INFO L470 AbstractCegarLoop]: Abstraction has 75334 states and 111142 transitions. [2021-11-17 00:51:06,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 00:51:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 75334 states and 111142 transitions. [2021-11-17 00:51:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-17 00:51:06,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:51:06,509 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:51:06,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 00:51:06,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-17 00:51:06,726 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:51:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:51:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2041213403, now seen corresponding path program 1 times [2021-11-17 00:51:06,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:51:06,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939797208] [2021-11-17 00:51:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:51:06,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:51:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:51:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:51:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:51:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:51:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:51:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:51:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:51:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:51:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:51:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 00:51:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:51:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:51:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 00:51:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:51:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 00:51:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:51:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 00:51:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:51:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:51:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:51:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:51:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 00:51:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:51:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:51:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 00:51:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 00:51:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 00:51:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 00:51:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:51:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 00:51:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 00:51:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:51:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 00:51:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:51:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 00:51:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 00:51:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:51:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-17 00:51:07,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:51:07,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939797208] [2021-11-17 00:51:07,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939797208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:51:07,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:51:07,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 00:51:07,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670010003] [2021-11-17 00:51:07,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:51:07,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 00:51:07,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:51:07,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 00:51:07,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:51:07,578 INFO L87 Difference]: Start difference. First operand 75334 states and 111142 transitions. Second operand has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 00:51:09,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:11,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:13,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:41,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:44,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:46,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:48,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:50,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:53,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:55,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:51:57,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:01,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:03,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:05,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:07,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:10,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:13,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:16,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:18,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:22,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:24,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:27,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:52:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:52:37,151 INFO L93 Difference]: Finished difference Result 239682 states and 359829 transitions. [2021-11-17 00:52:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 00:52:37,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 264 [2021-11-17 00:52:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:52:38,147 INFO L225 Difference]: With dead ends: 239682 [2021-11-17 00:52:38,147 INFO L226 Difference]: Without dead ends: 164370 [2021-11-17 00:52:38,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-11-17 00:52:38,549 INFO L933 BasicCegarLoop]: 8701 mSDtfsCounter, 16280 mSDsluCounter, 16009 mSDsCounter, 0 mSdLazyCounter, 18751 mSolverCounterSat, 10946 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17012 SdHoareTripleChecker+Valid, 24710 SdHoareTripleChecker+Invalid, 29715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10946 IncrementalHoareTripleChecker+Valid, 18751 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.0s IncrementalHoareTripleChecker+Time [2021-11-17 00:52:38,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17012 Valid, 24710 Invalid, 29715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10946 Valid, 18751 Invalid, 18 Unknown, 0 Unchecked, 84.0s Time] [2021-11-17 00:52:38,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164370 states. [2021-11-17 00:52:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164370 to 144170. [2021-11-17 00:52:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144170 states, 102891 states have (on average 1.3736575599420746) internal successors, (141337), 104951 states have internal predecessors, (141337), 34074 states have call successors, (34074), 6737 states have call predecessors, (34074), 7204 states have return successors, (36979), 33871 states have call predecessors, (36979), 34073 states have call successors, (36979) [2021-11-17 00:52:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144170 states to 144170 states and 212390 transitions. [2021-11-17 00:52:45,643 INFO L78 Accepts]: Start accepts. Automaton has 144170 states and 212390 transitions. Word has length 264 [2021-11-17 00:52:45,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:52:45,644 INFO L470 AbstractCegarLoop]: Abstraction has 144170 states and 212390 transitions. [2021-11-17 00:52:45,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.88888888888889) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 00:52:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 144170 states and 212390 transitions. [2021-11-17 00:52:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-17 00:52:45,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:52:45,780 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:52:45,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 00:52:45,781 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:52:45,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:52:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash -286552031, now seen corresponding path program 1 times [2021-11-17 00:52:45,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:52:45,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595288105] [2021-11-17 00:52:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:52:45,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:52:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:52:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:52:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:52:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:52:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:52:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:52:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:52:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:52:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:52:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 00:52:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 00:52:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 00:52:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 00:52:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 00:52:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 00:52:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 00:52:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 00:52:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 00:52:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:52:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:52:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 00:52:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 00:52:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:52:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:52:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:52:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:52:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 00:52:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:52:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:52:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 00:52:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:52:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:52:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 00:52:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 00:52:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 00:52:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 00:52:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 00:52:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 00:52:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 00:52:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 00:52:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:52:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 00:52:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 00:52:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:52:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-11-17 00:52:47,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:52:47,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595288105] [2021-11-17 00:52:47,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595288105] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 00:52:47,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174568918] [2021-11-17 00:52:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:52:47,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:52:47,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:52:47,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 00:52:47,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 00:52:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:52:48,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 9313 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 00:52:48,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 00:52:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2021-11-17 00:52:49,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 00:52:49,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174568918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:52:49,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 00:52:49,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2021-11-17 00:52:49,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506862666] [2021-11-17 00:52:49,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:52:49,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 00:52:49,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:52:49,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 00:52:49,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-11-17 00:52:49,623 INFO L87 Difference]: Start difference. First operand 144170 states and 212390 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 00:52:57,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:52:57,598 INFO L93 Difference]: Finished difference Result 360182 states and 530680 transitions. [2021-11-17 00:52:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 00:52:57,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 412 [2021-11-17 00:52:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:52:58,934 INFO L225 Difference]: With dead ends: 360182 [2021-11-17 00:52:58,934 INFO L226 Difference]: Without dead ends: 216034 [2021-11-17 00:52:59,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-11-17 00:52:59,651 INFO L933 BasicCegarLoop]: 8857 mSDtfsCounter, 6940 mSDsluCounter, 6744 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6940 SdHoareTripleChecker+Valid, 15601 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 00:52:59,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6940 Valid, 15601 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 00:52:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216034 states. [2021-11-17 00:53:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216034 to 216010. [2021-11-17 00:53:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216010 states, 154303 states have (on average 1.373965509419778) internal successors, (212007), 157411 states have internal predecessors, (212007), 50878 states have call successors, (50878), 10097 states have call predecessors, (50878), 10828 states have return successors, (55301), 50603 states have call predecessors, (55301), 50877 states have call successors, (55301) [2021-11-17 00:53:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216010 states to 216010 states and 318186 transitions. [2021-11-17 00:53:08,209 INFO L78 Accepts]: Start accepts. Automaton has 216010 states and 318186 transitions. Word has length 412 [2021-11-17 00:53:08,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:53:08,210 INFO L470 AbstractCegarLoop]: Abstraction has 216010 states and 318186 transitions. [2021-11-17 00:53:08,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 00:53:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 216010 states and 318186 transitions. [2021-11-17 00:53:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-17 00:53:08,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:53:08,343 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:53:08,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-17 00:53:08,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 00:53:08,544 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:53:08,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:53:08,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1825791777, now seen corresponding path program 1 times [2021-11-17 00:53:08,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:53:08,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027554868] [2021-11-17 00:53:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:53:08,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:53:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:53:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:53:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:53:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:53:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 00:53:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 00:53:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 00:53:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:53:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:53:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 00:53:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 00:53:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 00:53:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 00:53:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 00:53:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 00:53:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 00:53:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 00:53:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 00:53:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 00:53:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 00:53:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 00:53:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 00:53:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 00:53:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 00:53:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 00:53:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 00:53:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:53:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 00:53:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 00:53:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 00:53:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 00:53:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 00:53:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 00:53:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 00:53:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 00:53:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 00:53:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 00:53:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:53:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 00:53:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 00:53:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 00:53:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:53:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2021-11-17 00:53:09,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:53:09,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027554868] [2021-11-17 00:53:09,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027554868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:53:09,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:53:09,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 00:53:09,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855242780] [2021-11-17 00:53:09,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:53:09,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 00:53:09,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:53:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 00:53:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 00:53:09,730 INFO L87 Difference]: Start difference. First operand 216010 states and 318186 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 00:53:11,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:53:32,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:53:34,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:53:36,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []