./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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.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 b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 06:22:26,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 06:22:26,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 06:22:26,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 06:22:26,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 06:22:26,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 06:22:26,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 06:22:26,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 06:22:26,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 06:22:26,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 06:22:26,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 06:22:26,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 06:22:26,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 06:22:26,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 06:22:26,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 06:22:26,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 06:22:26,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 06:22:26,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 06:22:26,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 06:22:26,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 06:22:26,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 06:22:27,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 06:22:27,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 06:22:27,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 06:22:27,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 06:22:27,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 06:22:27,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 06:22:27,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 06:22:27,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 06:22:27,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 06:22:27,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 06:22:27,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 06:22:27,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 06:22:27,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 06:22:27,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 06:22:27,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 06:22:27,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 06:22:27,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 06:22:27,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 06:22:27,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 06:22:27,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 06:22:27,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 06:22:27,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 06:22:27,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 06:22:27,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 06:22:27,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 06:22:27,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 06:22:27,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 06:22:27,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 06:22:27,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 06:22:27,041 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 06:22:27,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 06:22:27,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 06:22:27,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 06:22:27,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 06:22:27,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 06:22:27,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 06:22:27,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:22:27,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 06:22:27,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 06:22:27,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 06:22:27,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2021-11-17 06:22:27,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 06:22:27,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 06:22:27,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 06:22:27,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 06:22:27,300 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 06:22:27,300 INFO L432 ainManager$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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-11-17 06:22:27,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48ab7230/411ce554dd79466f8d8ab39ab5efcc88/FLAGe130ce4f7 [2021-11-17 06:22:28,009 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 06:22:28,010 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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-11-17 06:22:28,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48ab7230/411ce554dd79466f8d8ab39ab5efcc88/FLAGe130ce4f7 [2021-11-17 06:22:28,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48ab7230/411ce554dd79466f8d8ab39ab5efcc88 [2021-11-17 06:22:28,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 06:22:28,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 06:22:28,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 06:22:28,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 06:22:28,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 06:22:28,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:22:28" (1/1) ... [2021-11-17 06:22:28,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485e466d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:28, skipping insertion in model container [2021-11-17 06:22:28,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:22:28" (1/1) ... [2021-11-17 06:22:28,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 06:22:28,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 06:22:30,373 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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2021-11-17 06:22:30,414 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:22:30,464 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 06:22:30,767 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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2021-11-17 06:22:30,777 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:22:30,882 INFO L208 MainTranslator]: Completed translation [2021-11-17 06:22:30,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30 WrapperNode [2021-11-17 06:22:30,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 06:22:30,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 06:22:30,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 06:22:30,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 06:22:30,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:30,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,160 INFO L137 Inliner]: procedures = 437, calls = 4229, calls flagged for inlining = 199, calls inlined = 195, statements flattened = 9374 [2021-11-17 06:22:31,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 06:22:31,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 06:22:31,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 06:22:31,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 06:22:31,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 06:22:31,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 06:22:31,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 06:22:31,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 06:22:31,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (1/1) ... [2021-11-17 06:22:31,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:22:31,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 06:22:31,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 06:22:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2021-11-17 06:22:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2021-11-17 06:22:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-11-17 06:22:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-11-17 06:22:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-11-17 06:22:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-11-17 06:22:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2021-11-17 06:22:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2021-11-17 06:22:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 06:22:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 06:22:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2021-11-17 06:22:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 06:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2021-11-17 06:22:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2021-11-17 06:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2021-11-17 06:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2021-11-17 06:22:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2021-11-17 06:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 06:22:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 06:22:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2021-11-17 06:22:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2021-11-17 06:22:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 06:22:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 06:22:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2021-11-17 06:22:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2021-11-17 06:22:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2021-11-17 06:22:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2021-11-17 06:22:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 06:22:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 06:22:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 06:22:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-11-17 06:22:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-11-17 06:22:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2021-11-17 06:22:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2021-11-17 06:22:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 06:22:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-11-17 06:22:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-11-17 06:22:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2021-11-17 06:22:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2021-11-17 06:22:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2021-11-17 06:22:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2021-11-17 06:22:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2021-11-17 06:22:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2021-11-17 06:22:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2021-11-17 06:22:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2021-11-17 06:22:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 06:22:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 06:22:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2021-11-17 06:22:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2021-11-17 06:22:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 06:22:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 06:22:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-17 06:22:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-17 06:22:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2021-11-17 06:22:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2021-11-17 06:22:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-17 06:22:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-17 06:22:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 06:22:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 06:22:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-17 06:22:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-17 06:22:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2021-11-17 06:22:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2021-11-17 06:22:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-11-17 06:22:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-11-17 06:22:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 06:22:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 06:22:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 06:22:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 06:22:31,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 06:22:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 06:22:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 06:22:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 06:22:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:22:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 06:22:31,583 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-11-17 06:22:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-11-17 06:22:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-11-17 06:22:31,584 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-11-17 06:22:31,584 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2021-11-17 06:22:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2021-11-17 06:22:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-11-17 06:22:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-11-17 06:22:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-17 06:22:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-17 06:22:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2021-11-17 06:22:31,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2021-11-17 06:22:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 06:22:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 06:22:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2021-11-17 06:22:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2021-11-17 06:22:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-17 06:22:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-17 06:22:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 06:22:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 06:22:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 06:22:31,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 06:22:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-11-17 06:22:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-11-17 06:22:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 06:22:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 06:22:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2021-11-17 06:22:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2021-11-17 06:22:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2021-11-17 06:22:31,587 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2021-11-17 06:22:31,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-17 06:22:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-17 06:22:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-17 06:22:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-17 06:22:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2021-11-17 06:22:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2021-11-17 06:22:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-11-17 06:22:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-11-17 06:22:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-11-17 06:22:31,588 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-11-17 06:22:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 06:22:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 06:22:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2021-11-17 06:22:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2021-11-17 06:22:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-11-17 06:22:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-11-17 06:22:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 06:22:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 06:22:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2021-11-17 06:22:31,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2021-11-17 06:22:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 06:22:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 06:22:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2021-11-17 06:22:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2021-11-17 06:22:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-11-17 06:22:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-11-17 06:22:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2021-11-17 06:22:31,590 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2021-11-17 06:22:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2021-11-17 06:22:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2021-11-17 06:22:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 06:22:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 06:22:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-17 06:22:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-17 06:22:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2021-11-17 06:22:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2021-11-17 06:22:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2021-11-17 06:22:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2021-11-17 06:22:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2021-11-17 06:22:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2021-11-17 06:22:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 06:22:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 06:22:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-11-17 06:22:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-11-17 06:22:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 06:22:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 06:22:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 06:22:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-11-17 06:22:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-11-17 06:22:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2021-11-17 06:22:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2021-11-17 06:22:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 06:22:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 06:22:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2021-11-17 06:22:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2021-11-17 06:22:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 06:22:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2021-11-17 06:22:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2021-11-17 06:22:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2021-11-17 06:22:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2021-11-17 06:22:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-17 06:22:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-17 06:22:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-17 06:22:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-17 06:22:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 06:22:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 06:22:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 06:22:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-11-17 06:22:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-11-17 06:22:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2021-11-17 06:22:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2021-11-17 06:22:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-17 06:22:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-17 06:22:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2021-11-17 06:22:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2021-11-17 06:22:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 06:22:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 06:22:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-17 06:22:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-17 06:22:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 06:22:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 06:22:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2021-11-17 06:22:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2021-11-17 06:22:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2021-11-17 06:22:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2021-11-17 06:22:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-17 06:22:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-17 06:22:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2021-11-17 06:22:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2021-11-17 06:22:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-17 06:22:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-17 06:22:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 06:22:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 06:22:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2021-11-17 06:22:31,601 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2021-11-17 06:22:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 06:22:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 06:22:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2021-11-17 06:22:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2021-11-17 06:22:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-11-17 06:22:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-11-17 06:22:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 06:22:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 06:22:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 06:22:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 06:22:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 06:22:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2021-11-17 06:22:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2021-11-17 06:22:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 06:22:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 06:22:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2021-11-17 06:22:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2021-11-17 06:22:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2021-11-17 06:22:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2021-11-17 06:22:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 06:22:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 06:22:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 06:22:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 06:22:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2021-11-17 06:22:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2021-11-17 06:22:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2021-11-17 06:22:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2021-11-17 06:22:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-17 06:22:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-17 06:22:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 06:22:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 06:22:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2021-11-17 06:22:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2021-11-17 06:22:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-17 06:22:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-17 06:22:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 06:22:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-11-17 06:22:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-11-17 06:22:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2021-11-17 06:22:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2021-11-17 06:22:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2021-11-17 06:22:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2021-11-17 06:22:32,578 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 06:22:32,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 06:22:36,225 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 06:22:47,364 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 06:22:47,380 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 06:22:47,381 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 06:22:47,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:22:47 BoogieIcfgContainer [2021-11-17 06:22:47,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 06:22:47,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 06:22:47,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 06:22:47,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 06:22:47,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:22:28" (1/3) ... [2021-11-17 06:22:47,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7dd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:22:47, skipping insertion in model container [2021-11-17 06:22:47,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:22:30" (2/3) ... [2021-11-17 06:22:47,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7dd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:22:47, skipping insertion in model container [2021-11-17 06:22:47,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:22:47" (3/3) ... [2021-11-17 06:22:47,392 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-11-17 06:22:47,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 06:22:47,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 06:22:47,442 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 06:22:47,447 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 06:22:47,447 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 06:22:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 2936 states, 2085 states have (on average 1.3808153477218226) internal successors, (2879), 2166 states have internal predecessors, (2879), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) [2021-11-17 06:22:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-17 06:22:47,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:22:47,522 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:22:47,522 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:22:47,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:22:47,526 INFO L85 PathProgramCache]: Analyzing trace with hash -466183320, now seen corresponding path program 1 times [2021-11-17 06:22:47,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:22:47,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882334047] [2021-11-17 06:22:47,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:22:47,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:22:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:22:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:22:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:22:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:22:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:22:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:22:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:22:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:22:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:22:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:22:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:22:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:22:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:22:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:22:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:22:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:22:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:22:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:22:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:22:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:22:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:22:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:22:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:22:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:22:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:22:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:22:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 06:22:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:22:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-11-17 06:22:48,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:22:48,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882334047] [2021-11-17 06:22:48,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882334047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:22:48,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:22:48,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:22:48,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156625008] [2021-11-17 06:22:48,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:22:48,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:22:48,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:22:48,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:22:48,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:22:48,828 INFO L87 Difference]: Start difference. First operand has 2936 states, 2085 states have (on average 1.3808153477218226) internal successors, (2879), 2166 states have internal predecessors, (2879), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 06:22:50,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:22:54,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:22:56,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:04,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:23:04,770 INFO L93 Difference]: Finished difference Result 6241 states and 9403 transitions. [2021-11-17 06:23:04,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:23:04,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 355 [2021-11-17 06:23:04,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:23:04,803 INFO L225 Difference]: With dead ends: 6241 [2021-11-17 06:23:04,804 INFO L226 Difference]: Without dead ends: 3281 [2021-11-17 06:23:04,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:23:04,824 INFO L933 BasicCegarLoop]: 4009 mSDtfsCounter, 1179 mSDsluCounter, 5749 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 984 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 9758 SdHoareTripleChecker+Invalid, 4721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 984 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:23:04,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1352 Valid, 9758 Invalid, 4721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [984 Valid, 3734 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-11-17 06:23:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-11-17 06:23:04,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2907. [2021-11-17 06:23:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2074 states have (on average 1.3736740597878496) internal successors, (2849), 2139 states have internal predecessors, (2849), 696 states have call successors, (696), 137 states have call predecessors, (696), 136 states have return successors, (694), 682 states have call predecessors, (694), 694 states have call successors, (694) [2021-11-17 06:23:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4239 transitions. [2021-11-17 06:23:05,017 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4239 transitions. Word has length 355 [2021-11-17 06:23:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:23:05,018 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4239 transitions. [2021-11-17 06:23:05,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 06:23:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4239 transitions. [2021-11-17 06:23:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-17 06:23:05,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:23:05,029 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:23:05,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 06:23:05,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:23:05,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:23:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash -868760314, now seen corresponding path program 1 times [2021-11-17 06:23:05,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:23:05,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515055573] [2021-11-17 06:23:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:23:05,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:23:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:23:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:23:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:23:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:23:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:23:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:23:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:23:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:23:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:23:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:23:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:23:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:23:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:23:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:23:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:23:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:23:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:23:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:23:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:23:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:23:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:23:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:23:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:23:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:23:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 06:23:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-11-17 06:23:05,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:23:05,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515055573] [2021-11-17 06:23:05,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515055573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:23:05,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:23:05,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:23:05,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876662554] [2021-11-17 06:23:05,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:23:05,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:23:05,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:23:05,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:23:05,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:23:05,814 INFO L87 Difference]: Start difference. First operand 2907 states and 4239 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 06:23:07,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:10,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:11,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:13,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:22,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:23:22,553 INFO L93 Difference]: Finished difference Result 9328 states and 13836 transitions. [2021-11-17 06:23:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:23:22,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 355 [2021-11-17 06:23:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:23:22,596 INFO L225 Difference]: With dead ends: 9328 [2021-11-17 06:23:22,596 INFO L226 Difference]: Without dead ends: 6473 [2021-11-17 06:23:22,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:23:22,615 INFO L933 BasicCegarLoop]: 4563 mSDtfsCounter, 8659 mSDsluCounter, 5797 mSDsCounter, 0 mSdLazyCounter, 3214 mSolverCounterSat, 6069 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9296 SdHoareTripleChecker+Valid, 10360 SdHoareTripleChecker+Invalid, 9285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6069 IncrementalHoareTripleChecker+Valid, 3214 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-11-17 06:23:22,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9296 Valid, 10360 Invalid, 9285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6069 Valid, 3214 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-11-17 06:23:22,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6473 states. [2021-11-17 06:23:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6473 to 5738. [2021-11-17 06:23:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5738 states, 4102 states have (on average 1.3773768893222817) internal successors, (5650), 4236 states have internal predecessors, (5650), 1361 states have call successors, (1361), 273 states have call predecessors, (1361), 274 states have return successors, (1371), 1333 states have call predecessors, (1371), 1358 states have call successors, (1371) [2021-11-17 06:23:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5738 states to 5738 states and 8382 transitions. [2021-11-17 06:23:22,861 INFO L78 Accepts]: Start accepts. Automaton has 5738 states and 8382 transitions. Word has length 355 [2021-11-17 06:23:22,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:23:22,863 INFO L470 AbstractCegarLoop]: Abstraction has 5738 states and 8382 transitions. [2021-11-17 06:23:22,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 06:23:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 5738 states and 8382 transitions. [2021-11-17 06:23:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-17 06:23:22,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:23:22,871 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:23:22,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 06:23:22,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:23:22,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:23:22,871 INFO L85 PathProgramCache]: Analyzing trace with hash -869944462, now seen corresponding path program 1 times [2021-11-17 06:23:22,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:23:22,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78332736] [2021-11-17 06:23:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:23:22,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:23:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:23:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:23:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:23:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:23:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:23:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:23:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:23:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:23:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:23:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:23:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:23:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:23:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:23:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:23:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:23:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:23:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:23:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:23:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:23:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:23:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:23:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:23:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:23:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:23:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:23:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 06:23:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:23:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:23:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:23:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-11-17 06:23:23,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:23:23,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78332736] [2021-11-17 06:23:23,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78332736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:23:23,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:23:23,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:23:23,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661488425] [2021-11-17 06:23:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:23:23,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:23:23,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:23:23,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:23:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:23:23,729 INFO L87 Difference]: Start difference. First operand 5738 states and 8382 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 06:23:25,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:27,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:29,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:33,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:35,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:39,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:40,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:42,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:51,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:23:54,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:08,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:24:08,292 INFO L93 Difference]: Finished difference Result 19026 states and 28272 transitions. [2021-11-17 06:24:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 06:24:08,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 372 [2021-11-17 06:24:08,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:24:08,366 INFO L225 Difference]: With dead ends: 19026 [2021-11-17 06:24:08,366 INFO L226 Difference]: Without dead ends: 13340 [2021-11-17 06:24:08,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-17 06:24:08,391 INFO L933 BasicCegarLoop]: 4034 mSDtfsCounter, 10213 mSDsluCounter, 6989 mSDsCounter, 0 mSdLazyCounter, 11615 mSolverCounterSat, 7338 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10821 SdHoareTripleChecker+Valid, 11023 SdHoareTripleChecker+Invalid, 18960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7338 IncrementalHoareTripleChecker+Valid, 11615 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.7s IncrementalHoareTripleChecker+Time [2021-11-17 06:24:08,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10821 Valid, 11023 Invalid, 18960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7338 Valid, 11615 Invalid, 7 Unknown, 0 Unchecked, 43.7s Time] [2021-11-17 06:24:08,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13340 states. [2021-11-17 06:24:08,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13340 to 11327. [2021-11-17 06:24:08,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 8098 states have (on average 1.377377130155594) internal successors, (11154), 8363 states have internal predecessors, (11154), 2680 states have call successors, (2680), 545 states have call predecessors, (2680), 548 states have return successors, (2701), 2624 states have call predecessors, (2701), 2675 states have call successors, (2701) [2021-11-17 06:24:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 16535 transitions. [2021-11-17 06:24:08,835 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 16535 transitions. Word has length 372 [2021-11-17 06:24:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:24:08,837 INFO L470 AbstractCegarLoop]: Abstraction has 11327 states and 16535 transitions. [2021-11-17 06:24:08,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 06:24:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 16535 transitions. [2021-11-17 06:24:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-17 06:24:08,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:24:08,843 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:24:08,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 06:24:08,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:24:08,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:24:08,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1580420738, now seen corresponding path program 1 times [2021-11-17 06:24:08,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:24:08,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611807210] [2021-11-17 06:24:08,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:24:08,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:24:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:24:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:24:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:24:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:24:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:24:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:24:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:24:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:24:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:24:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:24:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:24:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:24:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:24:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:24:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:24:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:24:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:24:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:24:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:24:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:24:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:24:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:24:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:24:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:24:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 06:24:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 06:24:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2282 trivial. 0 not checked. [2021-11-17 06:24:09,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:24:09,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611807210] [2021-11-17 06:24:09,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611807210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:24:09,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:24:09,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:24:09,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011993776] [2021-11-17 06:24:09,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:24:09,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:24:09,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:24:09,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:24:09,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:24:09,497 INFO L87 Difference]: Start difference. First operand 11327 states and 16535 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 06:24:11,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:14,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:16,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:18,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:22,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:24:29,141 INFO L93 Difference]: Finished difference Result 34807 states and 51541 transitions. [2021-11-17 06:24:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:24:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 375 [2021-11-17 06:24:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:24:29,250 INFO L225 Difference]: With dead ends: 34807 [2021-11-17 06:24:29,250 INFO L226 Difference]: Without dead ends: 23508 [2021-11-17 06:24:29,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:24:29,306 INFO L933 BasicCegarLoop]: 4756 mSDtfsCounter, 7590 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 5471 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8045 SdHoareTripleChecker+Valid, 10725 SdHoareTripleChecker+Invalid, 8635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5471 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:24:29,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8045 Valid, 10725 Invalid, 8635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5471 Valid, 3162 Invalid, 2 Unknown, 0 Unchecked, 19.0s Time] [2021-11-17 06:24:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23508 states. [2021-11-17 06:24:30,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23508 to 20897. [2021-11-17 06:24:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20897 states, 14946 states have (on average 1.3770908604308845) internal successors, (20582), 15457 states have internal predecessors, (20582), 4920 states have call successors, (4920), 1027 states have call predecessors, (4920), 1030 states have return successors, (4959), 4808 states have call predecessors, (4959), 4907 states have call successors, (4959) [2021-11-17 06:24:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20897 states to 20897 states and 30461 transitions. [2021-11-17 06:24:30,194 INFO L78 Accepts]: Start accepts. Automaton has 20897 states and 30461 transitions. Word has length 375 [2021-11-17 06:24:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:24:30,196 INFO L470 AbstractCegarLoop]: Abstraction has 20897 states and 30461 transitions. [2021-11-17 06:24:30,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 06:24:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 20897 states and 30461 transitions. [2021-11-17 06:24:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 06:24:30,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:24:30,202 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-11-17 06:24:30,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 06:24:30,202 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:24:30,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:24:30,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2066131295, now seen corresponding path program 1 times [2021-11-17 06:24:30,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:24:30,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225151742] [2021-11-17 06:24:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:24:30,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:24:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:24:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:24:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:24:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:24:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:24:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:24:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:24:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:24:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:24:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:24:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:24:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:24:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:24:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:24:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:24:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:24:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:24:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:24:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:24:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:24:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:24:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:24:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:24:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:24:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 06:24:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 06:24:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-11-17 06:24:30,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:24:30,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225151742] [2021-11-17 06:24:30,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225151742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:24:30,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:24:30,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:24:30,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607565527] [2021-11-17 06:24:30,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:24:30,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:24:30,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:24:30,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:24:30,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:24:30,781 INFO L87 Difference]: Start difference. First operand 20897 states and 30461 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:24:32,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:35,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:36,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:39,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:44,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:24:44,678 INFO L93 Difference]: Finished difference Result 44358 states and 65417 transitions. [2021-11-17 06:24:44,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 06:24:44,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 385 [2021-11-17 06:24:44,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:24:44,767 INFO L225 Difference]: With dead ends: 44358 [2021-11-17 06:24:44,767 INFO L226 Difference]: Without dead ends: 23513 [2021-11-17 06:24:44,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:24:44,819 INFO L933 BasicCegarLoop]: 3958 mSDtfsCounter, 2496 mSDsluCounter, 5760 mSDsCounter, 0 mSdLazyCounter, 2336 mSolverCounterSat, 2821 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 9718 SdHoareTripleChecker+Invalid, 5159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2821 IncrementalHoareTripleChecker+Valid, 2336 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-17 06:24:44,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2559 Valid, 9718 Invalid, 5159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2821 Valid, 2336 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2021-11-17 06:24:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23513 states. [2021-11-17 06:24:45,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23513 to 20905. [2021-11-17 06:24:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20905 states, 14954 states have (on average 1.3768891266550756) internal successors, (20590), 15465 states have internal predecessors, (20590), 4920 states have call successors, (4920), 1027 states have call predecessors, (4920), 1030 states have return successors, (4959), 4808 states have call predecessors, (4959), 4907 states have call successors, (4959) [2021-11-17 06:24:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20905 states to 20905 states and 30469 transitions. [2021-11-17 06:24:45,503 INFO L78 Accepts]: Start accepts. Automaton has 20905 states and 30469 transitions. Word has length 385 [2021-11-17 06:24:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:24:45,503 INFO L470 AbstractCegarLoop]: Abstraction has 20905 states and 30469 transitions. [2021-11-17 06:24:45,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:24:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 20905 states and 30469 transitions. [2021-11-17 06:24:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 06:24:45,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:24:45,510 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-11-17 06:24:45,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 06:24:45,510 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:24:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:24:45,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1747755743, now seen corresponding path program 1 times [2021-11-17 06:24:45,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:24:45,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120344565] [2021-11-17 06:24:45,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:24:45,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:24:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:24:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:24:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:24:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:24:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:24:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:24:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:24:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:24:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:24:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:24:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:24:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:24:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:24:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:24:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:24:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:24:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:24:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:24:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:24:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:24:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:24:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:24:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:24:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:24:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:24:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 06:24:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 06:24:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:24:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:24:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-11-17 06:24:46,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:24:46,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120344565] [2021-11-17 06:24:46,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120344565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:24:46,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:24:46,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 06:24:46,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227618044] [2021-11-17 06:24:46,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:24:46,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 06:24:46,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:24:46,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 06:24:46,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:24:46,121 INFO L87 Difference]: Start difference. First operand 20905 states and 30469 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-17 06:24:48,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:50,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:54,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:56,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:58,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:24:59,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:01,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:03,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:05,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:07,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:25:16,455 INFO L93 Difference]: Finished difference Result 44670 states and 65929 transitions. [2021-11-17 06:25:16,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 06:25:16,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 385 [2021-11-17 06:25:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:25:16,561 INFO L225 Difference]: With dead ends: 44670 [2021-11-17 06:25:16,562 INFO L226 Difference]: Without dead ends: 23817 [2021-11-17 06:25:16,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-11-17 06:25:16,629 INFO L933 BasicCegarLoop]: 3959 mSDtfsCounter, 2549 mSDsluCounter, 15713 mSDsCounter, 0 mSdLazyCounter, 5721 mSolverCounterSat, 2873 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 19672 SdHoareTripleChecker+Invalid, 8601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2873 IncrementalHoareTripleChecker+Valid, 5721 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:25:16,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2616 Valid, 19672 Invalid, 8601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2873 Valid, 5721 Invalid, 7 Unknown, 0 Unchecked, 29.6s Time] [2021-11-17 06:25:16,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23817 states. [2021-11-17 06:25:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23817 to 21033. [2021-11-17 06:25:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21033 states, 15050 states have (on average 1.3771428571428572) internal successors, (20726), 15569 states have internal predecessors, (20726), 4944 states have call successors, (4944), 1035 states have call predecessors, (4944), 1038 states have return successors, (4983), 4824 states have call predecessors, (4983), 4931 states have call successors, (4983) [2021-11-17 06:25:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21033 states to 21033 states and 30653 transitions. [2021-11-17 06:25:17,482 INFO L78 Accepts]: Start accepts. Automaton has 21033 states and 30653 transitions. Word has length 385 [2021-11-17 06:25:17,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:25:17,484 INFO L470 AbstractCegarLoop]: Abstraction has 21033 states and 30653 transitions. [2021-11-17 06:25:17,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-17 06:25:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 21033 states and 30653 transitions. [2021-11-17 06:25:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-17 06:25:17,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:25:17,490 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:25:17,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 06:25:17,490 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:25:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:25:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1921170722, now seen corresponding path program 1 times [2021-11-17 06:25:17,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:25:17,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294620139] [2021-11-17 06:25:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:25:17,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:25:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:25:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:25:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:25:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:25:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:25:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:25:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:25:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:25:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:25:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:25:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:25:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:25:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:25:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:25:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:25:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:25:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:25:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:25:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:25:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:25:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:25:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:25:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:25:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:25:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 06:25:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 06:25:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 06:25:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-11-17 06:25:18,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:25:18,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294620139] [2021-11-17 06:25:18,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294620139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:25:18,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:25:18,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:25:18,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686645585] [2021-11-17 06:25:18,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:25:18,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:25:18,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:25:18,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:25:18,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:25:18,072 INFO L87 Difference]: Start difference. First operand 21033 states and 30653 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:25:20,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:22,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:24,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:30,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:33,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:36,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:40,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:25:48,249 INFO L93 Difference]: Finished difference Result 66886 states and 98872 transitions. [2021-11-17 06:25:48,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:25:48,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 383 [2021-11-17 06:25:48,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:25:48,420 INFO L225 Difference]: With dead ends: 66886 [2021-11-17 06:25:48,420 INFO L226 Difference]: Without dead ends: 45905 [2021-11-17 06:25:48,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:25:48,485 INFO L933 BasicCegarLoop]: 5504 mSDtfsCounter, 6529 mSDsluCounter, 8554 mSDsCounter, 0 mSdLazyCounter, 4945 mSolverCounterSat, 3911 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7047 SdHoareTripleChecker+Valid, 14058 SdHoareTripleChecker+Invalid, 8862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3911 IncrementalHoareTripleChecker+Valid, 4945 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-11-17 06:25:48,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7047 Valid, 14058 Invalid, 8862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3911 Valid, 4945 Invalid, 6 Unknown, 0 Unchecked, 28.8s Time] [2021-11-17 06:25:48,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45905 states. [2021-11-17 06:25:49,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45905 to 40750. [2021-11-17 06:25:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40750 states, 29203 states have (on average 1.3766736294216348) internal successors, (40203), 30178 states have internal predecessors, (40203), 9518 states have call successors, (9518), 2017 states have call predecessors, (9518), 2028 states have return successors, (9593), 9310 states have call predecessors, (9593), 9505 states have call successors, (9593) [2021-11-17 06:25:49,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40750 states to 40750 states and 59314 transitions. [2021-11-17 06:25:49,856 INFO L78 Accepts]: Start accepts. Automaton has 40750 states and 59314 transitions. Word has length 383 [2021-11-17 06:25:49,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:25:49,857 INFO L470 AbstractCegarLoop]: Abstraction has 40750 states and 59314 transitions. [2021-11-17 06:25:49,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:25:49,858 INFO L276 IsEmpty]: Start isEmpty. Operand 40750 states and 59314 transitions. [2021-11-17 06:25:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-17 06:25:49,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:25:49,861 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-11-17 06:25:49,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 06:25:49,862 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:25:49,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:25:49,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1675939909, now seen corresponding path program 1 times [2021-11-17 06:25:49,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:25:49,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563676567] [2021-11-17 06:25:49,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:25:49,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:25:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:25:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:25:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:25:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:25:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:25:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:25:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:25:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:25:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:25:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:25:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:25:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:25:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:25:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:25:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:25:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:25:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:25:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:25:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:25:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:25:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:25:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:25:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:25:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:25:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:25:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:25:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 06:25:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 06:25:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 06:25:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 06:25:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:25:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2021-11-17 06:25:50,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:25:50,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563676567] [2021-11-17 06:25:50,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563676567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:25:50,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:25:50,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:25:50,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247736685] [2021-11-17 06:25:50,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:25:50,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:25:50,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:25:50,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:25:50,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:25:50,346 INFO L87 Difference]: Start difference. First operand 40750 states and 59314 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:25:52,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:54,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:25:59,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:01,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:26:13,297 INFO L93 Difference]: Finished difference Result 133260 states and 197177 transitions. [2021-11-17 06:26:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 06:26:13,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 378 [2021-11-17 06:26:13,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:26:13,719 INFO L225 Difference]: With dead ends: 133260 [2021-11-17 06:26:13,719 INFO L226 Difference]: Without dead ends: 92562 [2021-11-17 06:26:13,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-17 06:26:13,833 INFO L933 BasicCegarLoop]: 4805 mSDtfsCounter, 11209 mSDsluCounter, 5426 mSDsCounter, 0 mSdLazyCounter, 7265 mSolverCounterSat, 8574 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11819 SdHoareTripleChecker+Valid, 10231 SdHoareTripleChecker+Invalid, 15842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8574 IncrementalHoareTripleChecker+Valid, 7265 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:26:13,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11819 Valid, 10231 Invalid, 15842 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8574 Valid, 7265 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2021-11-17 06:26:13,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92562 states. [2021-11-17 06:26:15,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92562 to 79623. [2021-11-17 06:26:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79623 states, 57091 states have (on average 1.3768720113503004) internal successors, (78607), 59013 states have internal predecessors, (78607), 18527 states have call successors, (18527), 3965 states have call predecessors, (18527), 4004 states have return successors, (18798), 18120 states have call predecessors, (18798), 18502 states have call successors, (18798) [2021-11-17 06:26:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79623 states to 79623 states and 115932 transitions. [2021-11-17 06:26:16,628 INFO L78 Accepts]: Start accepts. Automaton has 79623 states and 115932 transitions. Word has length 378 [2021-11-17 06:26:16,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:26:16,629 INFO L470 AbstractCegarLoop]: Abstraction has 79623 states and 115932 transitions. [2021-11-17 06:26:16,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:26:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 79623 states and 115932 transitions. [2021-11-17 06:26:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-11-17 06:26:16,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:26:16,633 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-11-17 06:26:16,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 06:26:16,633 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:26:16,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:26:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2021825443, now seen corresponding path program 1 times [2021-11-17 06:26:16,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:26:16,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17265601] [2021-11-17 06:26:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:26:16,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:26:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:26:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:26:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:26:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:26:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:26:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:26:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:26:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:26:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:26:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:26:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:26:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:26:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:26:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:26:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:26:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:26:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:26:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:26:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:26:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:26:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:26:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:26:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:26:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:26:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 06:26:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 06:26:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-11-17 06:26:17,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:26:17,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17265601] [2021-11-17 06:26:17,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17265601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:26:17,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:26:17,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:26:17,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909497029] [2021-11-17 06:26:17,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:26:17,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:26:17,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:26:17,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:26:17,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:26:17,339 INFO L87 Difference]: Start difference. First operand 79623 states and 115932 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-17 06:26:19,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:21,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:23,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:29,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:32,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:35,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:26:44,738 INFO L93 Difference]: Finished difference Result 169442 states and 249497 transitions. [2021-11-17 06:26:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 06:26:44,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 387 [2021-11-17 06:26:44,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:26:45,128 INFO L225 Difference]: With dead ends: 169442 [2021-11-17 06:26:45,128 INFO L226 Difference]: Without dead ends: 89871 [2021-11-17 06:26:45,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:26:45,338 INFO L933 BasicCegarLoop]: 3963 mSDtfsCounter, 1599 mSDsluCounter, 12069 mSDsCounter, 0 mSdLazyCounter, 5993 mSolverCounterSat, 1819 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 16032 SdHoareTripleChecker+Invalid, 7818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1819 IncrementalHoareTripleChecker+Valid, 5993 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:26:45,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1665 Valid, 16032 Invalid, 7818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1819 Valid, 5993 Invalid, 6 Unknown, 0 Unchecked, 24.5s Time] [2021-11-17 06:26:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89871 states. [2021-11-17 06:26:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89871 to 79623. [2021-11-17 06:26:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79623 states, 57091 states have (on average 1.3765917570194952) internal successors, (78591), 59013 states have internal predecessors, (78591), 18527 states have call successors, (18527), 3965 states have call predecessors, (18527), 4004 states have return successors, (18798), 18120 states have call predecessors, (18798), 18502 states have call successors, (18798) [2021-11-17 06:26:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79623 states to 79623 states and 115916 transitions. [2021-11-17 06:26:48,298 INFO L78 Accepts]: Start accepts. Automaton has 79623 states and 115916 transitions. Word has length 387 [2021-11-17 06:26:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:26:48,302 INFO L470 AbstractCegarLoop]: Abstraction has 79623 states and 115916 transitions. [2021-11-17 06:26:48,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-17 06:26:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 79623 states and 115916 transitions. [2021-11-17 06:26:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-17 06:26:48,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:26:48,306 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-11-17 06:26:48,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 06:26:48,306 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:26:48,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:26:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -53458022, now seen corresponding path program 1 times [2021-11-17 06:26:48,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:26:48,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735705533] [2021-11-17 06:26:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:26:48,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:26:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 06:26:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 06:26:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 06:26:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 06:26:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 06:26:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 06:26:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 06:26:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 06:26:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 06:26:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 06:26:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 06:26:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 06:26:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 06:26:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 06:26:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 06:26:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 06:26:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 06:26:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:26:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 06:26:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 06:26:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 06:26:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 06:26:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 06:26:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 06:26:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:26:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 06:26:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 06:26:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:26:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:26:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-11-17 06:26:49,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:26:49,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735705533] [2021-11-17 06:26:49,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735705533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:26:49,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:26:49,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:26:49,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347600740] [2021-11-17 06:26:49,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:26:49,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:26:49,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:26:49,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:26:49,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:26:49,255 INFO L87 Difference]: Start difference. First operand 79623 states and 115916 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:26:51,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:53,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:58,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:26:59,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:27:00,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:27:02,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:27:09,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:27:09,056 INFO L93 Difference]: Finished difference Result 90889 states and 134301 transitions. [2021-11-17 06:27:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 06:27:09,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 388 [2021-11-17 06:27:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:27:09,065 INFO L225 Difference]: With dead ends: 90889 [2021-11-17 06:27:09,066 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 06:27:09,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:27:09,256 INFO L933 BasicCegarLoop]: 3937 mSDtfsCounter, 5256 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 2564 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5637 SdHoareTripleChecker+Valid, 8044 SdHoareTripleChecker+Invalid, 5186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2564 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:27:09,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5637 Valid, 8044 Invalid, 5186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2564 Valid, 2619 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2021-11-17 06:27:09,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 06:27:09,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 06:27:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-17 06:27:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 06:27:09,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2021-11-17 06:27:09,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:27:09,275 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 06:27:09,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 06:27:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 06:27:09,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 06:27:09,278 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 06:27:09,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 06:27:09,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-17 06:27:17,596 WARN L227 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:27:24,912 WARN L227 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:27:33,898 WARN L227 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:27:42,470 WARN L227 SmtUtils]: Spent 8.57s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:27:50,307 WARN L227 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:27:59,381 WARN L227 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:07,679 WARN L227 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:15,886 WARN L227 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:24,666 WARN L227 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:32,649 WARN L227 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:41,056 WARN L227 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:49,928 WARN L227 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:28:59,674 WARN L227 SmtUtils]: Spent 8.36s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:07,007 WARN L227 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:15,888 WARN L227 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:23,573 WARN L227 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:32,107 WARN L227 SmtUtils]: Spent 7.35s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:39,417 WARN L227 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:47,746 WARN L227 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:29:55,489 WARN L227 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:04,216 WARN L227 SmtUtils]: Spent 7.35s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:11,583 WARN L227 SmtUtils]: Spent 7.37s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:20,356 WARN L227 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:27,855 WARN L227 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:35,370 WARN L227 SmtUtils]: Spent 7.51s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:43,747 WARN L227 SmtUtils]: Spent 8.38s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:30:53,191 WARN L227 SmtUtils]: Spent 8.48s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:02,124 WARN L227 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:10,564 WARN L227 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:18,963 WARN L227 SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:27,840 WARN L227 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:36,205 WARN L227 SmtUtils]: Spent 8.36s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:45,080 WARN L227 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:31:53,159 WARN L227 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:02,265 WARN L227 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:10,742 WARN L227 SmtUtils]: Spent 8.48s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:18,008 WARN L227 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:25,810 WARN L227 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:35,238 WARN L227 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:42,924 WARN L227 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:32:54,164 WARN L227 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:02,579 WARN L227 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:10,397 WARN L227 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:17,704 WARN L227 SmtUtils]: Spent 7.31s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:25,279 WARN L227 SmtUtils]: Spent 7.20s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:33,732 WARN L227 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:44,484 WARN L227 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:33:51,787 WARN L227 SmtUtils]: Spent 7.30s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:00,693 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:08,210 WARN L227 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:15,825 WARN L227 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:26,317 WARN L227 SmtUtils]: Spent 7.53s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:34,989 WARN L227 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:43,966 WARN L227 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 59 DAG size of output: 56 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:34:54,035 WARN L227 SmtUtils]: Spent 7.55s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:35:01,497 WARN L227 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:35:20,122 WARN L227 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:35:28,709 WARN L227 SmtUtils]: Spent 8.59s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:35:38,130 WARN L227 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 59 DAG size of output: 56 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:35:48,838 WARN L227 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:36:04,694 WARN L227 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:36:15,600 WARN L227 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 62 DAG size of output: 59 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-17 06:36:25,129 WARN L227 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 59 DAG size of output: 56 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15