./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--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 a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 08:38:14,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 08:38:14,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 08:38:14,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 08:38:14,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 08:38:14,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 08:38:14,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 08:38:14,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 08:38:14,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 08:38:14,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 08:38:14,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 08:38:14,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 08:38:14,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 08:38:14,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 08:38:14,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 08:38:14,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 08:38:14,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 08:38:14,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 08:38:14,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 08:38:14,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 08:38:14,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 08:38:14,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 08:38:14,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 08:38:14,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 08:38:14,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 08:38:14,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 08:38:14,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 08:38:14,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 08:38:14,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 08:38:14,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 08:38:14,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 08:38:14,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 08:38:14,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 08:38:14,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 08:38:14,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 08:38:14,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 08:38:14,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 08:38:14,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 08:38:14,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 08:38:14,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 08:38:14,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 08:38:14,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 08:38:14,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 08:38:14,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 08:38:14,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 08:38:14,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 08:38:14,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 08:38:14,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 08:38:14,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 08:38:14,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 08:38:14,696 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 08:38:14,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 08:38:14,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 08:38:14,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 08:38:14,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 08:38:14,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 08:38:14,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 08:38:14,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 08:38:14,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 08:38:14,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 08:38:14,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 08:38:14,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 08:38:14,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 08:38:14,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:38:14,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 08:38:14,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 08:38:14,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 08:38:14,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 08:38:14,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 08:38:14,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 08:38:14,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 08:38:14,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 08:38:14,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 08:38:14,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a [2021-12-18 08:38:14,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 08:38:14,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 08:38:14,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 08:38:14,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 08:38:14,890 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 08:38:14,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-18 08:38:14,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a87628b6/0f6358ababe74abca88119f3402e1499/FLAG6967df116 [2021-12-18 08:38:15,689 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 08:38:15,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-18 08:38:15,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a87628b6/0f6358ababe74abca88119f3402e1499/FLAG6967df116 [2021-12-18 08:38:15,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a87628b6/0f6358ababe74abca88119f3402e1499 [2021-12-18 08:38:15,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 08:38:15,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 08:38:15,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 08:38:15,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 08:38:15,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 08:38:15,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:38:15" (1/1) ... [2021-12-18 08:38:15,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd824a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:15, skipping insertion in model container [2021-12-18 08:38:15,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 08:38:15" (1/1) ... [2021-12-18 08:38:15,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 08:38:16,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 08:38:20,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2021-12-18 08:38:20,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:38:20,574 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 08:38:20,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2021-12-18 08:38:20,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 08:38:21,280 INFO L208 MainTranslator]: Completed translation [2021-12-18 08:38:21,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21 WrapperNode [2021-12-18 08:38:21,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 08:38:21,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 08:38:21,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 08:38:21,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 08:38:21,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:21,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:21,714 INFO L137 Inliner]: procedures = 678, calls = 7466, calls flagged for inlining = 299, calls inlined = 290, statements flattened = 15393 [2021-12-18 08:38:21,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 08:38:21,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 08:38:21,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 08:38:21,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 08:38:21,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:21,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:21,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:21,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:22,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:22,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:22,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:22,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 08:38:22,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 08:38:22,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 08:38:22,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 08:38:22,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (1/1) ... [2021-12-18 08:38:22,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 08:38:22,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 08:38:22,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 08:38:22,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 08:38:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 08:38:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 08:38:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 08:38:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 08:38:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 08:38:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 08:38:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 08:38:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 08:38:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 08:38:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-18 08:38:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-18 08:38:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 08:38:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 08:38:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 08:38:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 08:38:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 08:38:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 08:38:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-18 08:38:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-18 08:38:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 08:38:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 08:38:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-12-18 08:38:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-12-18 08:38:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-18 08:38:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-18 08:38:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-18 08:38:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-18 08:38:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-18 08:38:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-18 08:38:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 08:38:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 08:38:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-18 08:38:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-18 08:38:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2021-12-18 08:38:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2021-12-18 08:38:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-18 08:38:22,323 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-18 08:38:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-18 08:38:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-18 08:38:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2021-12-18 08:38:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2021-12-18 08:38:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 08:38:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 08:38:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-18 08:38:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-18 08:38:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 08:38:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 08:38:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 08:38:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 08:38:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 08:38:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 08:38:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-18 08:38:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-18 08:38:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-12-18 08:38:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-12-18 08:38:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 08:38:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 08:38:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-18 08:38:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-18 08:38:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-12-18 08:38:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-12-18 08:38:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-18 08:38:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-18 08:38:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-12-18 08:38:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-12-18 08:38:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-18 08:38:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-18 08:38:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-12-18 08:38:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-12-18 08:38:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 08:38:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 08:38:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-18 08:38:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-18 08:38:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 08:38:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 08:38:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 08:38:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 08:38:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-12-18 08:38:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-12-18 08:38:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 08:38:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 08:38:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-12-18 08:38:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-12-18 08:38:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-18 08:38:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-18 08:38:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 08:38:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 08:38:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 08:38:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 08:38:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 08:38:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 08:38:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 08:38:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-12-18 08:38:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-12-18 08:38:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-18 08:38:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-18 08:38:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-18 08:38:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-18 08:38:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-12-18 08:38:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-12-18 08:38:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-18 08:38:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-18 08:38:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-18 08:38:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-18 08:38:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 08:38:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 08:38:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-18 08:38:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-18 08:38:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-18 08:38:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-18 08:38:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-18 08:38:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-12-18 08:38:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 08:38:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 08:38:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-18 08:38:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-18 08:38:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 08:38:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 08:38:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-12-18 08:38:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-12-18 08:38:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 08:38:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 08:38:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 08:38:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-12-18 08:38:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-12-18 08:38:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 08:38:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 08:38:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 08:38:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 08:38:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 08:38:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 08:38:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-12-18 08:38:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-12-18 08:38:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2021-12-18 08:38:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2021-12-18 08:38:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-18 08:38:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-18 08:38:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-18 08:38:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-18 08:38:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 08:38:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-18 08:38:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-18 08:38:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-12-18 08:38:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-12-18 08:38:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 08:38:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 08:38:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 08:38:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-18 08:38:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-18 08:38:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-18 08:38:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-18 08:38:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2021-12-18 08:38:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2021-12-18 08:38:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 08:38:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 08:38:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 08:38:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 08:38:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-12-18 08:38:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-12-18 08:38:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-18 08:38:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-18 08:38:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 08:38:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 08:38:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-18 08:38:22,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-18 08:38:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-18 08:38:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-18 08:38:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 08:38:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 08:38:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-18 08:38:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-18 08:38:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-18 08:38:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-18 08:38:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 08:38:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 08:38:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 08:38:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 08:38:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-12-18 08:38:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-12-18 08:38:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-18 08:38:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-18 08:38:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2021-12-18 08:38:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2021-12-18 08:38:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 08:38:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 08:38:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-12-18 08:38:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-12-18 08:38:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 08:38:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-18 08:38:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-18 08:38:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 08:38:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-18 08:38:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-18 08:38:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-18 08:38:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 08:38:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-12-18 08:38:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 08:38:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 08:38:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-18 08:38:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-18 08:38:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 08:38:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 08:38:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-18 08:38:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-18 08:38:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 08:38:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 08:38:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-12-18 08:38:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-12-18 08:38:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-12-18 08:38:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-12-18 08:38:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 08:38:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 08:38:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-12-18 08:38:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-12-18 08:38:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 08:38:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 08:38:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-18 08:38:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-18 08:38:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-12-18 08:38:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-12-18 08:38:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 08:38:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 08:38:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-18 08:38:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-18 08:38:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 08:38:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 08:38:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-18 08:38:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-18 08:38:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 08:38:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 08:38:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 08:38:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 08:38:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-12-18 08:38:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-12-18 08:38:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-18 08:38:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-18 08:38:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-18 08:38:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-18 08:38:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-12-18 08:38:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-12-18 08:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 08:38:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 08:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 08:38:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 08:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2021-12-18 08:38:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2021-12-18 08:38:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-12-18 08:38:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-12-18 08:38:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 08:38:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 08:38:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-18 08:38:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-18 08:38:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 08:38:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 08:38:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-18 08:38:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-18 08:38:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-18 08:38:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-18 08:38:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 08:38:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-18 08:38:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 08:38:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-18 08:38:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 08:38:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 08:38:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 08:38:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 08:38:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-18 08:38:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-18 08:38:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 08:38:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 08:38:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 08:38:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 08:38:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 08:38:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 08:38:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-18 08:38:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-18 08:38:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2021-12-18 08:38:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2021-12-18 08:38:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 08:38:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-12-18 08:38:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-12-18 08:38:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 08:38:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 08:38:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 08:38:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 08:38:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-12-18 08:38:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-12-18 08:38:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-12-18 08:38:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-12-18 08:38:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-18 08:38:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-18 08:38:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-18 08:38:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-18 08:38:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-18 08:38:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-18 08:38:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 08:38:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 08:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 08:38:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 08:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-18 08:38:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-18 08:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 08:38:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 08:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 08:38:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 08:38:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-18 08:38:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-18 08:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 08:38:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 08:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 08:38:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 08:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-18 08:38:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-18 08:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-12-18 08:38:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-12-18 08:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 08:38:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 08:38:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-18 08:38:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-18 08:38:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 08:38:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 08:38:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-12-18 08:38:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-12-18 08:38:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-12-18 08:38:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-12-18 08:38:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 08:38:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 08:38:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-18 08:38:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-18 08:38:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 08:38:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 08:38:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-12-18 08:38:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-12-18 08:38:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 08:38:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 08:38:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 08:38:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-12-18 08:38:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-12-18 08:38:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 08:38:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 08:38:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-12-18 08:38:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-12-18 08:38:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 08:38:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 08:38:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-12-18 08:38:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-12-18 08:38:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-12-18 08:38:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-12-18 08:38:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2021-12-18 08:38:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2021-12-18 08:38:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 08:38:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-18 08:38:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-18 08:38:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-12-18 08:38:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-12-18 08:38:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-18 08:38:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-18 08:38:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 08:38:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 08:38:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 08:38:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 08:38:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 08:38:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 08:38:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 08:38:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2021-12-18 08:38:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2021-12-18 08:38:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-12-18 08:38:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-12-18 08:38:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-18 08:38:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-18 08:38:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 08:38:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 08:38:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-18 08:38:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-18 08:38:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 08:38:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 08:38:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 08:38:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 08:38:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 08:38:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 08:38:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-18 08:38:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-18 08:38:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-12-18 08:38:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-12-18 08:38:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-18 08:38:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-18 08:38:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-18 08:38:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-18 08:38:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-12-18 08:38:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-12-18 08:38:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 08:38:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 08:38:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 08:38:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 08:38:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 08:38:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 08:38:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-18 08:38:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-18 08:38:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 08:38:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 08:38:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-12-18 08:38:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-12-18 08:38:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-18 08:38:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-18 08:38:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 08:38:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 08:38:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 08:38:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 08:38:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-18 08:38:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-18 08:38:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 08:38:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 08:38:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-12-18 08:38:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-12-18 08:38:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-12-18 08:38:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-12-18 08:38:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 08:38:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-18 08:38:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-18 08:38:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 08:38:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 08:38:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 08:38:22,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 08:38:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-12-18 08:38:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-12-18 08:38:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-12-18 08:38:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-12-18 08:38:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-18 08:38:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-18 08:38:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 08:38:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 08:38:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 08:38:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 08:38:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-18 08:38:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-18 08:38:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-18 08:38:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-18 08:38:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 08:38:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 08:38:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-18 08:38:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-18 08:38:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-12-18 08:38:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-12-18 08:38:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 08:38:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 08:38:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-18 08:38:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-18 08:38:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-12-18 08:38:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-12-18 08:38:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-18 08:38:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-18 08:38:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-18 08:38:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-18 08:38:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-18 08:38:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-18 08:38:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 08:38:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 08:38:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 08:38:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 08:38:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2021-12-18 08:38:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2021-12-18 08:38:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-12-18 08:38:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-12-18 08:38:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2021-12-18 08:38:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2021-12-18 08:38:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2021-12-18 08:38:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2021-12-18 08:38:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-18 08:38:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-18 08:38:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-12-18 08:38:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-12-18 08:38:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-18 08:38:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-18 08:38:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 08:38:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 08:38:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-12-18 08:38:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-12-18 08:38:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 08:38:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 08:38:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-18 08:38:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-18 08:38:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-12-18 08:38:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-12-18 08:38:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-12-18 08:38:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-12-18 08:38:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-18 08:38:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-18 08:38:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 08:38:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 08:38:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 08:38:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 08:38:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2021-12-18 08:38:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2021-12-18 08:38:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 08:38:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-18 08:38:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-18 08:38:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-18 08:38:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-18 08:38:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-12-18 08:38:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-12-18 08:38:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-18 08:38:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-18 08:38:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-18 08:38:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-18 08:38:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-12-18 08:38:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-12-18 08:38:23,579 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 08:38:23,584 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 08:38:23,728 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 08:38:37,986 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 08:38:38,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 08:38:38,012 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 08:38:38,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:38:38 BoogieIcfgContainer [2021-12-18 08:38:38,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 08:38:38,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 08:38:38,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 08:38:38,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 08:38:38,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 08:38:15" (1/3) ... [2021-12-18 08:38:38,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61cc514f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:38:38, skipping insertion in model container [2021-12-18 08:38:38,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 08:38:21" (2/3) ... [2021-12-18 08:38:38,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61cc514f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 08:38:38, skipping insertion in model container [2021-12-18 08:38:38,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 08:38:38" (3/3) ... [2021-12-18 08:38:38,025 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-12-18 08:38:38,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 08:38:38,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 08:38:38,082 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 08:38:38,088 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 08:38:38,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 08:38:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 5297 states, 3755 states have (on average 1.3824234354194407) internal successors, (5191), 3842 states have internal predecessors, (5191), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) [2021-12-18 08:38:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-18 08:38:38,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:38:38,190 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:38:38,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:38:38,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:38:38,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1458872952, now seen corresponding path program 1 times [2021-12-18 08:38:38,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:38:38,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307391207] [2021-12-18 08:38:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:38:38,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:38:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:38:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:38:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:38:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:38:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:38:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:38:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:38:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:38:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:38:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:38:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:38:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:38:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:38:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:38:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:38:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 08:38:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 08:38:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:38:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 08:38:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:38:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-12-18 08:38:39,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:38:39,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307391207] [2021-12-18 08:38:39,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307391207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:38:39,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:38:39,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 08:38:39,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780212308] [2021-12-18 08:38:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:38:39,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 08:38:39,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:38:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 08:38:39,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 08:38:39,415 INFO L87 Difference]: Start difference. First operand has 5297 states, 3755 states have (on average 1.3824234354194407) internal successors, (5191), 3842 states have internal predecessors, (5191), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 08:38:48,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:38:50,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:38:57,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:38:59,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:01,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:03,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:39:03,394 INFO L93 Difference]: Finished difference Result 11667 states and 17586 transitions. [2021-12-18 08:39:03,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 08:39:03,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 233 [2021-12-18 08:39:03,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:39:03,443 INFO L225 Difference]: With dead ends: 11667 [2021-12-18 08:39:03,443 INFO L226 Difference]: Without dead ends: 6338 [2021-12-18 08:39:03,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:39:03,470 INFO L933 BasicCegarLoop]: 7239 mSDtfsCounter, 8098 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 7576 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8525 SdHoareTripleChecker+Valid, 10720 SdHoareTripleChecker+Invalid, 10784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7576 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-12-18 08:39:03,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8525 Valid, 10720 Invalid, 10784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7576 Valid, 3203 Invalid, 5 Unknown, 0 Unchecked, 23.3s Time] [2021-12-18 08:39:03,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2021-12-18 08:39:03,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 5261. [2021-12-18 08:39:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5261 states, 3737 states have (on average 1.3767728124163767) internal successors, (5145), 3806 states have internal predecessors, (5145), 1276 states have call successors, (1276), 248 states have call predecessors, (1276), 247 states have return successors, (1274), 1260 states have call predecessors, (1274), 1274 states have call successors, (1274) [2021-12-18 08:39:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 5261 states and 7695 transitions. [2021-12-18 08:39:03,803 INFO L78 Accepts]: Start accepts. Automaton has 5261 states and 7695 transitions. Word has length 233 [2021-12-18 08:39:03,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:39:03,803 INFO L470 AbstractCegarLoop]: Abstraction has 5261 states and 7695 transitions. [2021-12-18 08:39:03,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 2 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 08:39:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5261 states and 7695 transitions. [2021-12-18 08:39:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-18 08:39:03,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:39:03,819 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:39:03,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 08:39:03,821 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:39:03,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:39:03,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1885564374, now seen corresponding path program 1 times [2021-12-18 08:39:03,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:39:03,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963850917] [2021-12-18 08:39:03,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:39:03,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:39:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:39:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:39:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:39:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:39:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:39:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:39:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:39:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:39:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:39:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:39:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:39:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:39:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:39:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:39:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:39:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 08:39:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 08:39:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 08:39:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 08:39:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-18 08:39:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:39:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 08:39:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:39:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-18 08:39:04,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:39:04,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963850917] [2021-12-18 08:39:04,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963850917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:39:04,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:39:04,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:39:04,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331926910] [2021-12-18 08:39:04,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:39:04,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:39:04,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:39:04,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:39:04,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:39:04,595 INFO L87 Difference]: Start difference. First operand 5261 states and 7695 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 08:39:18,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:20,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:22,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:24,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:27,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:28,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:29,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:30,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:31,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:34,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:45,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:47,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:49,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:55,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:39:58,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:00,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:04,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:06,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:09,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:11,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:13,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:40:17,378 INFO L93 Difference]: Finished difference Result 17705 states and 26642 transitions. [2021-12-18 08:40:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:40:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 260 [2021-12-18 08:40:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:40:17,450 INFO L225 Difference]: With dead ends: 17705 [2021-12-18 08:40:17,451 INFO L226 Difference]: Without dead ends: 12477 [2021-12-18 08:40:17,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:40:17,482 INFO L933 BasicCegarLoop]: 8101 mSDtfsCounter, 18559 mSDsluCounter, 15526 mSDsCounter, 0 mSdLazyCounter, 12626 mSolverCounterSat, 12167 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19700 SdHoareTripleChecker+Valid, 23627 SdHoareTripleChecker+Invalid, 24809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12167 IncrementalHoareTripleChecker+Valid, 12626 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.7s IncrementalHoareTripleChecker+Time [2021-12-18 08:40:17,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19700 Valid, 23627 Invalid, 24809 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12167 Valid, 12626 Invalid, 16 Unknown, 0 Unchecked, 71.7s Time] [2021-12-18 08:40:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12477 states. [2021-12-18 08:40:17,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12477 to 10345. [2021-12-18 08:40:17,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10345 states, 7363 states have (on average 1.3781067499660464) internal successors, (10147), 7499 states have internal predecessors, (10147), 2491 states have call successors, (2491), 491 states have call predecessors, (2491), 490 states have return successors, (2491), 2460 states have call predecessors, (2491), 2489 states have call successors, (2491) [2021-12-18 08:40:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10345 states to 10345 states and 15129 transitions. [2021-12-18 08:40:18,030 INFO L78 Accepts]: Start accepts. Automaton has 10345 states and 15129 transitions. Word has length 260 [2021-12-18 08:40:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:40:18,033 INFO L470 AbstractCegarLoop]: Abstraction has 10345 states and 15129 transitions. [2021-12-18 08:40:18,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-18 08:40:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 10345 states and 15129 transitions. [2021-12-18 08:40:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-18 08:40:18,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:40:18,043 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:40:18,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 08:40:18,043 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:40:18,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:40:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash -197810366, now seen corresponding path program 1 times [2021-12-18 08:40:18,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:40:18,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873624358] [2021-12-18 08:40:18,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:40:18,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:40:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:40:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:40:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:40:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:40:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:40:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:40:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:40:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:40:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:40:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:40:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:40:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:40:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:40:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:40:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:40:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 08:40:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 08:40:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:40:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 08:40:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:40:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-12-18 08:40:18,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:40:18,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873624358] [2021-12-18 08:40:18,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873624358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:40:18,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:40:18,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:40:18,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759595547] [2021-12-18 08:40:18,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:40:18,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:40:18,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:40:18,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:40:18,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:40:18,650 INFO L87 Difference]: Start difference. First operand 10345 states and 15129 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 08:40:32,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:35,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:46,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:48,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:52,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:54,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:57,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:40:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:40:59,414 INFO L93 Difference]: Finished difference Result 34494 states and 51869 transitions. [2021-12-18 08:40:59,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:40:59,415 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 233 [2021-12-18 08:40:59,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:40:59,543 INFO L225 Difference]: With dead ends: 34494 [2021-12-18 08:40:59,543 INFO L226 Difference]: Without dead ends: 24182 [2021-12-18 08:40:59,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:40:59,590 INFO L933 BasicCegarLoop]: 9191 mSDtfsCounter, 20672 mSDsluCounter, 9955 mSDsCounter, 0 mSdLazyCounter, 7476 mSolverCounterSat, 15099 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21770 SdHoareTripleChecker+Valid, 19146 SdHoareTripleChecker+Invalid, 22582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15099 IncrementalHoareTripleChecker+Valid, 7476 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2021-12-18 08:40:59,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21770 Valid, 19146 Invalid, 22582 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15099 Valid, 7476 Invalid, 7 Unknown, 0 Unchecked, 39.4s Time] [2021-12-18 08:40:59,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24182 states. [2021-12-18 08:41:00,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24182 to 20009. [2021-12-18 08:41:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20009 states, 14240 states have (on average 1.3776685393258428) internal successors, (19618), 14521 states have internal predecessors, (19618), 4806 states have call successors, (4806), 965 states have call predecessors, (4806), 962 states have return successors, (4812), 4734 states have call predecessors, (4812), 4804 states have call successors, (4812) [2021-12-18 08:41:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20009 states to 20009 states and 29236 transitions. [2021-12-18 08:41:00,456 INFO L78 Accepts]: Start accepts. Automaton has 20009 states and 29236 transitions. Word has length 233 [2021-12-18 08:41:00,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:41:00,457 INFO L470 AbstractCegarLoop]: Abstraction has 20009 states and 29236 transitions. [2021-12-18 08:41:00,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 08:41:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 20009 states and 29236 transitions. [2021-12-18 08:41:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-18 08:41:00,471 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:41:00,471 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 08:41:00,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 08:41:00,472 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:41:00,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:41:00,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1692870570, now seen corresponding path program 1 times [2021-12-18 08:41:00,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:41:00,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504563963] [2021-12-18 08:41:00,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:41:00,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:41:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:41:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:41:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:41:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:41:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:41:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:41:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:41:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:41:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:41:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:41:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:41:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:41:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 08:41:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 08:41:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 08:41:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 08:41:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 08:41:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 08:41:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 08:41:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 08:41:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 08:41:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 08:41:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 08:41:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 08:41:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 08:41:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 08:41:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 08:41:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 08:41:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 08:41:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-12-18 08:41:01,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:41:01,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504563963] [2021-12-18 08:41:01,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504563963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:41:01,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:41:01,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:41:01,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619519406] [2021-12-18 08:41:01,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:41:01,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:41:01,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:41:01,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:41:01,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:41:01,153 INFO L87 Difference]: Start difference. First operand 20009 states and 29236 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 08:41:16,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:18,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:24,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:31,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:34,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:36,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:39,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:42,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:44,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:46,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:41:50,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:41:50,278 INFO L93 Difference]: Finished difference Result 72055 states and 108973 transitions. [2021-12-18 08:41:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:41:50,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 297 [2021-12-18 08:41:50,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:41:50,559 INFO L225 Difference]: With dead ends: 72055 [2021-12-18 08:41:50,559 INFO L226 Difference]: Without dead ends: 52079 [2021-12-18 08:41:50,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:41:50,640 INFO L933 BasicCegarLoop]: 10940 mSDtfsCounter, 18448 mSDsluCounter, 15945 mSDsCounter, 0 mSdLazyCounter, 11403 mSolverCounterSat, 12465 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19551 SdHoareTripleChecker+Valid, 26885 SdHoareTripleChecker+Invalid, 23877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12465 IncrementalHoareTripleChecker+Valid, 11403 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2021-12-18 08:41:50,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19551 Valid, 26885 Invalid, 23877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12465 Valid, 11403 Invalid, 9 Unknown, 0 Unchecked, 47.1s Time] [2021-12-18 08:41:50,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52079 states. [2021-12-18 08:41:52,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52079 to 39587. [2021-12-18 08:41:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39587 states, 28262 states have (on average 1.3790248390064397) internal successors, (38974), 28833 states have internal predecessors, (38974), 9380 states have call successors, (9380), 1843 states have call predecessors, (9380), 1944 states have return successors, (9922), 9322 states have call predecessors, (9922), 9378 states have call successors, (9922) [2021-12-18 08:41:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39587 states to 39587 states and 58276 transitions. [2021-12-18 08:41:52,501 INFO L78 Accepts]: Start accepts. Automaton has 39587 states and 58276 transitions. Word has length 297 [2021-12-18 08:41:52,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:41:52,503 INFO L470 AbstractCegarLoop]: Abstraction has 39587 states and 58276 transitions. [2021-12-18 08:41:52,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 08:41:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 39587 states and 58276 transitions. [2021-12-18 08:41:52,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-18 08:41:52,532 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:41:52,532 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-12-18 08:41:52,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 08:41:52,533 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:41:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:41:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1078320784, now seen corresponding path program 1 times [2021-12-18 08:41:52,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:41:52,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551691922] [2021-12-18 08:41:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:41:52,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:41:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:41:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:41:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:41:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:41:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:41:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:41:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:41:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:41:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:41:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:41:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:41:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:41:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 08:41:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:41:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 08:41:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 08:41:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 08:41:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-18 08:41:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 08:41:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 08:41:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 08:41:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:41:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 08:41:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 08:41:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 08:41:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 08:41:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:41:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 08:41:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 08:41:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 08:41:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 08:41:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 08:41:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:41:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2021-12-18 08:41:53,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:41:53,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551691922] [2021-12-18 08:41:53,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551691922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:41:53,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:41:53,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:41:53,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281105357] [2021-12-18 08:41:53,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:41:53,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:41:53,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:41:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:41:53,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:41:53,191 INFO L87 Difference]: Start difference. First operand 39587 states and 58276 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 08:42:05,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:07,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:10,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:15,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:18,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:20,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:23,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:26,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:28,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:30,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:42:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:42:38,726 INFO L93 Difference]: Finished difference Result 103762 states and 155779 transitions. [2021-12-18 08:42:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:42:38,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 335 [2021-12-18 08:42:38,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:42:39,069 INFO L225 Difference]: With dead ends: 103762 [2021-12-18 08:42:39,069 INFO L226 Difference]: Without dead ends: 64208 [2021-12-18 08:42:39,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:42:39,204 INFO L933 BasicCegarLoop]: 7474 mSDtfsCounter, 18730 mSDsluCounter, 11398 mSDsCounter, 0 mSdLazyCounter, 10091 mSolverCounterSat, 11199 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19762 SdHoareTripleChecker+Valid, 18872 SdHoareTripleChecker+Invalid, 21298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11199 IncrementalHoareTripleChecker+Valid, 10091 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:42:39,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19762 Valid, 18872 Invalid, 21298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11199 Valid, 10091 Invalid, 8 Unknown, 0 Unchecked, 42.9s Time] [2021-12-18 08:42:39,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64208 states. [2021-12-18 08:42:41,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64208 to 47897. [2021-12-18 08:42:41,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47897 states, 34232 states have (on average 1.3737146529562982) internal successors, (47025), 34923 states have internal predecessors, (47025), 11184 states have call successors, (11184), 2375 states have call predecessors, (11184), 2480 states have return successors, (11522), 11106 states have call predecessors, (11522), 11182 states have call successors, (11522) [2021-12-18 08:42:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47897 states to 47897 states and 69731 transitions. [2021-12-18 08:42:41,471 INFO L78 Accepts]: Start accepts. Automaton has 47897 states and 69731 transitions. Word has length 335 [2021-12-18 08:42:41,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:42:41,472 INFO L470 AbstractCegarLoop]: Abstraction has 47897 states and 69731 transitions. [2021-12-18 08:42:41,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 08:42:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 47897 states and 69731 transitions. [2021-12-18 08:42:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-12-18 08:42:41,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:42:41,501 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-12-18 08:42:41,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 08:42:41,501 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:42:41,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:42:41,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1816299597, now seen corresponding path program 1 times [2021-12-18 08:42:41,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:42:41,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769372363] [2021-12-18 08:42:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:42:41,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:42:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:42:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:42:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:42:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:42:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:42:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:42:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:42:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:42:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:42:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:42:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:42:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:42:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 08:42:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:42:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 08:42:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:42:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 08:42:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:42:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 08:42:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 08:42:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:42:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 08:42:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 08:42:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 08:42:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 08:42:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 08:42:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:42:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 08:42:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:42:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2021-12-18 08:42:42,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:42:42,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769372363] [2021-12-18 08:42:42,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769372363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:42:42,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:42:42,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:42:42,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095670021] [2021-12-18 08:42:42,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:42:42,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:42:42,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:42:42,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:42:42,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:42:42,501 INFO L87 Difference]: Start difference. First operand 47897 states and 69731 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 08:43:03,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:05,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:11,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:12,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:13,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:16,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:19,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:22,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:24,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:26,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:29,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:31,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:37,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:39,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:42,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:44,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:43:49,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:43:49,339 INFO L93 Difference]: Finished difference Result 139638 states and 209862 transitions. [2021-12-18 08:43:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 08:43:49,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 404 [2021-12-18 08:43:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:43:49,938 INFO L225 Difference]: With dead ends: 139638 [2021-12-18 08:43:49,938 INFO L226 Difference]: Without dead ends: 91774 [2021-12-18 08:43:50,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-12-18 08:43:50,083 INFO L933 BasicCegarLoop]: 14175 mSDtfsCounter, 13573 mSDsluCounter, 19233 mSDsCounter, 0 mSdLazyCounter, 14083 mSolverCounterSat, 8122 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15131 SdHoareTripleChecker+Valid, 33408 SdHoareTripleChecker+Invalid, 22217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8122 IncrementalHoareTripleChecker+Valid, 14083 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2021-12-18 08:43:50,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15131 Valid, 33408 Invalid, 22217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8122 Valid, 14083 Invalid, 12 Unknown, 0 Unchecked, 63.0s Time] [2021-12-18 08:43:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91774 states. [2021-12-18 08:43:52,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91774 to 67040. [2021-12-18 08:43:52,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67040 states, 47875 states have (on average 1.3748720626631854) internal successors, (65822), 48828 states have internal predecessors, (65822), 15757 states have call successors, (15757), 3303 states have call predecessors, (15757), 3407 states have return successors, (16111), 15616 states have call predecessors, (16111), 15755 states have call successors, (16111) [2021-12-18 08:43:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67040 states to 67040 states and 97690 transitions. [2021-12-18 08:43:53,046 INFO L78 Accepts]: Start accepts. Automaton has 67040 states and 97690 transitions. Word has length 404 [2021-12-18 08:43:53,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:43:53,047 INFO L470 AbstractCegarLoop]: Abstraction has 67040 states and 97690 transitions. [2021-12-18 08:43:53,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 08:43:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 67040 states and 97690 transitions. [2021-12-18 08:43:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-18 08:43:53,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:43:53,073 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2021-12-18 08:43:53,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 08:43:53,073 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:43:53,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:43:53,074 INFO L85 PathProgramCache]: Analyzing trace with hash 414347024, now seen corresponding path program 1 times [2021-12-18 08:43:53,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:43:53,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147093945] [2021-12-18 08:43:53,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:43:53,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:43:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:43:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:43:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:43:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:43:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:43:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:43:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:43:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:43:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:43:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:43:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:43:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:43:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 08:43:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 08:43:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 08:43:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 08:43:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 08:43:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 08:43:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 08:43:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 08:43:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 08:43:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:43:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 08:43:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 08:43:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-18 08:43:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 08:43:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 08:43:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-18 08:43:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 08:43:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 08:43:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 08:43:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 08:43:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 08:43:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 08:43:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 08:43:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 08:43:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 08:43:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:43:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:43:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:43:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2021-12-18 08:43:53,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:43:53,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147093945] [2021-12-18 08:43:53,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147093945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:43:53,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:43:53,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:43:53,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306725521] [2021-12-18 08:43:53,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:43:53,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:43:53,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:43:53,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:43:53,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:43:53,931 INFO L87 Difference]: Start difference. First operand 67040 states and 97690 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 08:44:15,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:17,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:19,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:21,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:23,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:26,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:28,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:30,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:40,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:46,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:48,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:51,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:44:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:44:57,365 INFO L93 Difference]: Finished difference Result 214101 states and 318920 transitions. [2021-12-18 08:44:57,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 08:44:57,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 475 [2021-12-18 08:44:57,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:44:58,320 INFO L225 Difference]: With dead ends: 214101 [2021-12-18 08:44:58,320 INFO L226 Difference]: Without dead ends: 147094 [2021-12-18 08:44:58,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-12-18 08:44:58,538 INFO L933 BasicCegarLoop]: 10632 mSDtfsCounter, 10436 mSDsluCounter, 14115 mSDsCounter, 0 mSdLazyCounter, 12151 mSolverCounterSat, 4697 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11456 SdHoareTripleChecker+Valid, 24747 SdHoareTripleChecker+Invalid, 16857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4697 IncrementalHoareTripleChecker+Valid, 12151 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:44:58,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11456 Valid, 24747 Invalid, 16857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4697 Valid, 12151 Invalid, 9 Unknown, 0 Unchecked, 57.9s Time] [2021-12-18 08:44:58,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147094 states. [2021-12-18 08:45:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147094 to 121795. [2021-12-18 08:45:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121795 states, 86987 states have (on average 1.3736765263775046) internal successors, (119492), 88646 states have internal predecessors, (119492), 28413 states have call successors, (28413), 6189 states have call predecessors, (28413), 6394 states have return successors, (29083), 28215 states have call predecessors, (29083), 28411 states have call successors, (29083) [2021-12-18 08:45:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121795 states to 121795 states and 176988 transitions. [2021-12-18 08:45:04,199 INFO L78 Accepts]: Start accepts. Automaton has 121795 states and 176988 transitions. Word has length 475 [2021-12-18 08:45:04,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:45:04,199 INFO L470 AbstractCegarLoop]: Abstraction has 121795 states and 176988 transitions. [2021-12-18 08:45:04,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-18 08:45:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 121795 states and 176988 transitions. [2021-12-18 08:45:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-12-18 08:45:04,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:45:04,252 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 08:45:04,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 08:45:04,253 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:45:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:45:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1635240944, now seen corresponding path program 1 times [2021-12-18 08:45:04,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:45:04,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236021047] [2021-12-18 08:45:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:45:04,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:45:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:45:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:45:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:45:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:45:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:45:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:45:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:45:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:45:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:45:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:45:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:45:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:45:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 08:45:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:45:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 08:45:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:45:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 08:45:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:45:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 08:45:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 08:45:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:45:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 08:45:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 08:45:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 08:45:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 08:45:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 08:45:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:45:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 08:45:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:45:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-12-18 08:45:05,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:45:05,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236021047] [2021-12-18 08:45:05,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236021047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:45:05,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:45:05,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 08:45:05,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839247058] [2021-12-18 08:45:05,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:45:05,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 08:45:05,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:45:05,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 08:45:05,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:45:05,067 INFO L87 Difference]: Start difference. First operand 121795 states and 176988 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 08:45:31,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:33,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:35,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:36,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:38,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:39,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:47,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:48,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:51,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:45:55,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:04,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:06,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:09,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:11,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:13,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:16,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:18,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:21,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:30,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:46:30,175 INFO L93 Difference]: Finished difference Result 337592 states and 506093 transitions. [2021-12-18 08:46:30,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 08:46:30,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 427 [2021-12-18 08:46:30,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:46:31,554 INFO L225 Difference]: With dead ends: 337592 [2021-12-18 08:46:31,555 INFO L226 Difference]: Without dead ends: 215842 [2021-12-18 08:46:31,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-12-18 08:46:31,976 INFO L933 BasicCegarLoop]: 14131 mSDtfsCounter, 13695 mSDsluCounter, 20892 mSDsCounter, 0 mSdLazyCounter, 16984 mSolverCounterSat, 8167 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15246 SdHoareTripleChecker+Valid, 35023 SdHoareTripleChecker+Invalid, 25161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8167 IncrementalHoareTripleChecker+Valid, 16984 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.0s IncrementalHoareTripleChecker+Time [2021-12-18 08:46:31,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15246 Valid, 35023 Invalid, 25161 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8167 Valid, 16984 Invalid, 10 Unknown, 0 Unchecked, 76.0s Time] [2021-12-18 08:46:32,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215842 states. [2021-12-18 08:46:38,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215842 to 156059. [2021-12-18 08:46:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156059 states, 111397 states have (on average 1.3742201316013896) internal successors, (153084), 113504 states have internal predecessors, (153084), 36537 states have call successors, (36537), 7919 states have call predecessors, (36537), 8124 states have return successors, (37231), 36241 states have call predecessors, (37231), 36535 states have call successors, (37231) [2021-12-18 08:46:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156059 states to 156059 states and 226852 transitions. [2021-12-18 08:46:39,778 INFO L78 Accepts]: Start accepts. Automaton has 156059 states and 226852 transitions. Word has length 427 [2021-12-18 08:46:39,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:46:39,779 INFO L470 AbstractCegarLoop]: Abstraction has 156059 states and 226852 transitions. [2021-12-18 08:46:39,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 08:46:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 156059 states and 226852 transitions. [2021-12-18 08:46:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2021-12-18 08:46:39,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:46:39,872 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2021-12-18 08:46:39,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 08:46:39,873 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:46:39,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:46:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1505172371, now seen corresponding path program 1 times [2021-12-18 08:46:39,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:46:39,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817672586] [2021-12-18 08:46:39,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:46:39,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:46:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:46:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:46:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:46:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:46:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:46:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:46:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:46:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:46:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:46:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:46:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:46:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:46:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 08:46:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:46:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 08:46:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:46:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 08:46:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:46:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 08:46:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 08:46:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:46:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 08:46:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 08:46:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 08:46:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 08:46:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 08:46:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 08:46:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 08:46:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 08:46:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 08:46:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 08:46:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 08:46:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 08:46:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:46:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 08:46:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 08:46:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 08:46:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 08:46:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 08:46:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:46:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-18 08:46:40,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:46:40,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817672586] [2021-12-18 08:46:40,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817672586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:46:40,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:46:40,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 08:46:40,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144218516] [2021-12-18 08:46:40,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:46:40,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 08:46:40,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:46:40,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 08:46:40,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 08:46:40,893 INFO L87 Difference]: Start difference. First operand 156059 states and 226852 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:46:57,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:46:59,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:01,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:02,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:04,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:06,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:16,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:19,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:21,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:23,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:25,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:30,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:33,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:35,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 08:47:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:47:39,612 INFO L93 Difference]: Finished difference Result 384274 states and 577700 transitions. [2021-12-18 08:47:39,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 08:47:39,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 441 [2021-12-18 08:47:39,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:47:41,085 INFO L225 Difference]: With dead ends: 384274 [2021-12-18 08:47:41,085 INFO L226 Difference]: Without dead ends: 228260 [2021-12-18 08:47:41,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-18 08:47:41,620 INFO L933 BasicCegarLoop]: 8590 mSDtfsCounter, 6766 mSDsluCounter, 18164 mSDsCounter, 0 mSdLazyCounter, 10521 mSolverCounterSat, 4555 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7451 SdHoareTripleChecker+Valid, 26754 SdHoareTripleChecker+Invalid, 15085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4555 IncrementalHoareTripleChecker+Valid, 10521 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2021-12-18 08:47:41,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7451 Valid, 26754 Invalid, 15085 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4555 Valid, 10521 Invalid, 9 Unknown, 0 Unchecked, 48.9s Time] [2021-12-18 08:47:41,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228260 states. [2021-12-18 08:47:48,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228260 to 156075. [2021-12-18 08:47:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156075 states, 111413 states have (on average 1.3741663899185912) internal successors, (153100), 113520 states have internal predecessors, (153100), 36537 states have call successors, (36537), 7919 states have call predecessors, (36537), 8124 states have return successors, (37231), 36241 states have call predecessors, (37231), 36535 states have call successors, (37231) [2021-12-18 08:47:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156075 states to 156075 states and 226868 transitions. [2021-12-18 08:47:49,917 INFO L78 Accepts]: Start accepts. Automaton has 156075 states and 226868 transitions. Word has length 441 [2021-12-18 08:47:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:47:49,918 INFO L470 AbstractCegarLoop]: Abstraction has 156075 states and 226868 transitions. [2021-12-18 08:47:49,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 08:47:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 156075 states and 226868 transitions. [2021-12-18 08:47:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-12-18 08:47:49,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:47:49,990 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 08:47:49,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 08:47:49,990 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:47:49,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:47:49,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1481413088, now seen corresponding path program 1 times [2021-12-18 08:47:49,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:47:49,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262825599] [2021-12-18 08:47:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:47:49,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:47:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:47:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:47:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:47:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 08:47:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 08:47:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 08:47:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 08:47:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 08:47:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 08:47:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 08:47:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 08:47:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-18 08:47:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 08:47:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 08:47:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 08:47:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 08:47:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 08:47:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 08:47:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 08:47:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 08:47:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:47:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 08:47:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 08:47:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 08:47:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 08:47:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 08:47:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:47:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 08:47:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:47:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1048 trivial. 0 not checked. [2021-12-18 08:47:51,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:47:51,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262825599] [2021-12-18 08:47:51,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262825599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:47:51,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:47:51,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 08:47:51,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049610559] [2021-12-18 08:47:51,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:47:51,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 08:47:51,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:47:51,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 08:47:51,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-18 08:47:51,055 INFO L87 Difference]: Start difference. First operand 156075 states and 226868 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 7 states have internal predecessors, (150), 3 states have call successors, (36), 7 states have call predecessors, (36), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33)